Siemens GMI Series Betriebsanleitung

SIEMENS

Instruction

Installation

Operation

Maintenance

and

Vacuum

Circuit

Breakers

Type

GMI

3268

Courtesy of NationalSwitchgear.com

DANGER

Hazardous

voltages

Will

cause

death

serious

personal

injury

equipment

damage

Always

energize

and

ground

the

equipment

before

maintenance

Maintenance

should

performed

only

qualified

personnel

The

use

unauthorized

parts

the

repair

the

equipment

tampering

unqualified

personnel

will

result

dangerous

conditions

which

will

cause

severe

personal

injury

equipment

damage

all

safety

instructions

contained

herein

IMPORTANT

The

information

contained

herein

general

nature

and

not

intended

for

specific

application

purposes

does

not

relieve

the

user

responsibility

use

sound

practices

application

installation

operation

and

maintenance

the

equipment

purchased

Siemens

reserves

the

right

make

changes

the

specifications

shown

herein

make

improvements

any

time

without

notice

obligations

Should

conflict

arise

between

the

general

information

contained

this

publication

and

the

contents

drawings

supplementary

material

both

the

latter

shall

take

precedence

QUALIFIED

PERSON

For

the

purpose

this

manual

qualified

person

one

who

familiar

with

the

installation

construction

operation

the

equipment

and

the

hazards

involved

addition

this

person

has

the

following

qualifications

(

)

trained

and

authorized

energize

clear

ground

and

tag

circuits

and

equipment

accordance

with

established

safety

practices

(

)

trained

the

proper

care

and

use

protective

equipment

such

rubber

gloves

hard

hat

safety

glasses

face

shields

flash

clothing

etc

accordance

with

established

safety

practices

(

)

trained

rendering

first

aid

SUMMARY

These

instructions

not

purport

cover

all

details

variations

equipment

nor

provide

for

every

possible

contingency

met

connection

with

installation

operation

maintenance

Should

further

information

desired

should

particular

problems

arise

which

are

not

covered

sufficiently

for

the

purchaser

purposes

the

matter

should

referred

the

local

sales

office

listed

back

this

instruction

guide

The

contents

this

instruction

manual

shall

not

become

part

modify

any

prior

existing

agreement

commitment

relationship

The

sales

contract

contains

the

entire

obligation

Siemens

Energy

Automation

Inc

The

warranty

contained

the

contract

between

the

parties

the

sole

warranty

Siemens

Energy

Automation

Inc

Any

statements

contained

herein

not

create

new

warranties

modify

the

existing

warranty

Courtesy of NationalSwitchgear.com

Table

Contents

Introduction

and

Safety

Introduction

Qualified

Person

Signal

Words

Dangerous

Procedures

Field

Service

Operation

Receiving

Handling

and

Storage

Introduction

Receiving

Procedure

Shipping

Damage

Claims

Handling

Procedure

Storage

Procedure

Indoor

Storage

Outdoor

Storage

Space

Heating

Installation

Checks

and

Initial

Functional

Tests

Introduction

Inspections

Checks

and

Tests

without

Control

Power

Energizing

Control

Power

Spring

Discharge

Check

Removal

from

Lower

Cell

Removal

from

Upper

Cell

Removal

Outdoor

Non

Walk

Enclosures

Physical

Inspections

Manual

Spring

Charging

Check

Found

and

Vacuum

Check

Tests

Automatic

Spring

Charging

Check

Final

Mechanical

Inspect

ons

without

Control

Power

Interrupter

Operator

Description

Introduction

Vacuum

Interrupters

and

Primary

Disconnects

Primary

Disconnects

Phase

Barriers

Stored

Energy

Operating

Mechanism

Modes

Operation

Mid

1991

and

After

Modes

Operation

Discussion

Spring

Charging

Mode

Closing

Mode

Trip

Free

Mode

Opening

Mode

Rapid

Auto

Reclosing

Mode

Modes

Operation

Mid

1991

Modes

Operation

Discussion

Spring

Charging

Mode

Closing

Mode

Trip

Free

Mode

Opening

Mode

Rapid

Auto

Reclosing

Mode

Closing

and

Opening

Springs

Trip

Free

Operation

Damper

Manual

Spring

Charging

Spring

Charging

Motor

Solenoid

Trip

Solenoid

and

Anti

Pump

Relay

Secondary

Disconnect

Auxiliary

Switch

MOC

(

Mechanism

Operated

Cell

}

Switch

TOC

(

Truck

Operated

Cell

)

Switch

Limit

Switches

Standard

Schematic

Diagrams

Capacitor

Trip

Device

Undervoltage

Release

Interlocks

Trip

Free

Interlock

Rating

Interlock

Circuit

Breaker

Frame

Ground

Disconnect

Circuit

Breaker

Handling

Wheels

Racking

Mechanism

Maintenance

Introduction

and

Maintenance

Intervals

Recommended

Hand

Tools

Recommended

Maintenance

and

Lubrication

Removal

from

Switchgear

Checks

the

Primary

Power

Path

Cleanliness

Check

Inspection

Primary

Disconnects

Checks

the

Stored

Energy

Operator

Mechanism

Maintenance

and

Lubrication

Fastener

Check

Manual

Spring

Charging

and

Contact

Erosion

Checks

Damper

Assembly

Check

Electrical

Control

Checks

Check

the

Wiring

and

Terminals

Check

the

Secondary

Disconnect

Automatic

Spring

Charging

Check

Electrical

and

Trip

Check

Checks

the

Spring

Charging

Motor

High

Potential

Tests

Vacuum

Integrity

Check

High

Potential

Test

Voltages

Vacuum

Integrity

Test

Procedure

Found

Insulation

and

Contact

Resistance

Tests

Insulation

and

Contact

Resistance

Test

Equipment

Insulation

and

Contact

Resistance

Test

Procedure

Inspection

and

Cleaning

Breaker

Insulation

Functional

Tests

Overhaul

Introduction

Circuit

Breaker

Overhaul

Replacement

Overhaul

Replacement

Closing

Springs

Replacement

Opening

Spring

Replacement

Closing

and

Tripping

Solenoids

Replacement

Anti

Pump

Relay

Replacement

the

Auxiliary

Switch

Replacement

Motor

Cut

Off

Switch

Replacement

Trip

Latch

Reset

Check

Switch

Replacement

Mid

1991

and

After

Replacement

Mid

1991

Replacement

Spring

Dump

Switch

Replacement

Damper

Assembly

Replacement

Spring

Charging

Motor

Replacement

Primary

Disconnect

Fingers

Replacement

Vacuum

Interrupters

Preparation

Vacuum

Tube

Removal

Vacuum

Tube

Replacement

Periodic

Maintenance

and

Lubrication

Tasks

Troubleshooting

Appendix

Courtesy of NationalSwitchgear.com

Introduction

and

Safety

Signal

Words

The

signal

words

Danger

Warning

and

Caution

used

this

manual

indicate

the

degree

hazard

that

may

encoun

tered

the

user

These

words

are

defined

Danger

Indicates

imminently

hazardous

situation

which

not

avoided

will

result

death

serious

injury

Warning

Indicates

potentially

hazardous

situation

which

not

avoided

could

result

death

serious

injury

Caution

Indicates

potentially

hazardous

situation

which

not

avoided

may

result

minor

moderate

injury

Introduction

The

GMI

family

vacuum

circuit

breakers

designed

meet

all

the

applicable

ANSI

NEMAand

IEEE

standards

Success

ful

application

and

operation

this

equipment

depends

much

upon

proper

installation

and

maintenance

the

user

does

upon

the

careful

design

and

fabrication

Siemens

The

purpose

this

Instruction

Manual

assist

the

user

developing

safe

and

efficient

procedures

for

the

installation

maintenance

and

use

the

equipment

Contact

the

nearest

Siemens

representative

any

additional

information

desired

Dangerous

Procedures

addition

other

procedures

described

this

manual

dangerous

user

personnel

must

adhere

the

following

Always

work

energized

breaker

Always

ener

gize

breaker

and

remove

from

the

metal

clad

switchgear

before

performing

any

tests

maintenance

repair

Always

perform

maintenance

the

breaker

after

the

spring

charged

mechanisms

are

discharged

(

except

for

test

the

charging

mechanisms

)

Always

let

interlock

device

safety

mechanism

perform

its

function

without

forcing

defeating

the

device

ADANGER

Power

circuit

breakers

operate

high

voltages

and

have

spring

loaded

mechanical

parts

which

operate

high

speed

When

operated

improperly

this

equipment

will

cause

death

personal

injury

and

property

damage

avoid

elecTical

shock

burns

and

entanglement

moving

pals

this

equipment

must

installed

operated

and

maintained

only

qualified

persons

thoroughly

familiar

with

the

equipment

instruction

manuals

and

drawings

Field

Service

Operation

Siemens

can

provide

competent

well

trained

Field

Service

Representatives

provide

technical

guidance

and

advisory

assistance

for

the

installation

overhaul

repair

and

mainte

nance

emens

equipment

processes

and

systems

Con

tact

regional

service

centers

sales

offices

the

factory

for

details

Qualified

Person

For

the

purpose

this

manua

and

product

labels

Qualified

Person

one

who

familiar

with

the

installation

construction

and

operation

this

equipment

and

the

hazards

involved

addition

this

person

has

the

following

qualifications

•

Training

and

authorization

energize

clear

ground

and

tag

circuits

and

equipment

accordance

with

established

safety

practices

•

Training

the

proper

care

and

use

protective

equipment

such

rubber

gloves

hare

hat

safety

glasses

face

shields

flash

clothing

etc

accordance

with

established

safety

procedures

•

Training

rendering

first

aid

Courtesy of NationalSwitchgear.com

Receiving

Handling

and

Storage

Introduction

Type

GMI

Vacuum

Interrupter

Circuit

Breakers

are

normally

installed

assembled

metal

clad

switchgear

and

the

Switch

gear

Instruction

Manual

(

3258

)

contains

the

Receiving

Handling

and

Storage

instructions

for

assembled

metal

clad

switchgear

This

manual

covers

the

Receiving

Handling

and

Storage

instructions

for

Type

GMI

circuit

breakers

shipped

separately

from

the

switchgear

This

section

the

manual

intended

help

the

user

identify

inspect

and

protect

the

circuit

breaker

prior

its

installation

WARNING

Heavy

Weight

Can

cause

death

serious

injury

property

damage

Obtain

the

services

qualified

rigger

prior

hoisting

the

circuit

breaker

assure

adequate

safety

margins

the

hoisting

equipment

and

procedures

avoid

damage

Type

GMI

circuit

breakers

weigh

between

385

575

pounds

(

175

261

)

See

Table

Technical

Data

Appendix

The

palleted

circuit

breaker

can

also

moved

using

properly

rated

fork

lift

vehicle

The

pallets

are

designed

for

movement

standard

fork

lift

vehicle

Storage

Procedure

Whenever

possible

install

circuit

breakers

their

assigned

switchgear

enclosures

for

storage

instructions

con

tained

the

Switchgear

Instruction

Manual

When

the

breaker

will

placed

its

pallet

for

storage

sure

the

unit

securely

bolted

the

pallet

and

covered

with

polyethylene

film

least

mils

thick

Indoor

Storage

Whenever

possible

store

the

circuit

breaker

indoors

The

storage

environment

must

clean

dry

and

free

such

items

construction

dust

corrosive

atmosphere

mechanical

abuse

and

rapid

temperature

variations

Outdoor

Storage

Outdoor

storage

not

recommended

When

other

option

available

the

circuit

breaker

must

completely

covered

and

protected

from

rain

snow

dirt

and

all

other

contaminants

Space

Heating

Space

heating

must

used

for

both

indoor

and

outdoor

storage

prevent

condensation

and

corrosion

When

stored

outdoors

between

150

200

watts

per

breaker

space

heating

recommended

the

circuit

breakers

are

stored

inside

the

switchgear

enclosures

and

the

switchgear

equipped

with

space

heaters

energize

the

space

heaters

Receiving

Procedure

Make

physical

inspection

the

shipping

container

before

removing

unpacking

the

circuit

breaker

Check

for

shipment

damage

indications

rough

handling

the

carrier

Check

each

item

against

the

manifest

identify

any

shortages

Accessories

such

the

manual

charging

lever

the

racking

crank

and

the

plug

jumper

are

shipped

separately

Shipping

Damage

Claims

(

When

Applicable

)

nor

mal

shipment

damage

procedures

which

should

include

Check

for

visible

damage

upon

arrival

Visible

damage

must

noted

delivery

receipt

and

acknowledged

with

driver

signature

Notation

Possible

internal

damage

subject

inspection

must

delivery

receipt

Notify

Siemens

Sales

office

immediately

any

shipment

damage

Arrange

for

carrier

inspection

not

move

the

unit

from

its

unloading

point

Handling

Procedure

Carefully

remove

the

shipping

carton

from

the

circuit

breaker

Keep

the

shipping

pallet

for

later

use

the

breaker

stored

prior

its

installation

Inspect

for

concealed

damage

Notification

carrier

must

take

place

within

days

assure

prompt

resolution

claims

Each

circuit

breaker

should

appropriately

lifted

avoid

crushing

the

side

panels

the

breaker

damaging

the

primary

disconnect

subassemblies

Courtesy of NationalSwitchgear.com

Installation

Checks

and

Initial

Functional

Tests

Introduction

This

section

provides

description

the

inspections

checks

and

tests

performed

the

circuit

breaker

prior

operation

the

metal

clad

switchgear

ADANGER

Hazardous

voltages

and

high

speed

mechanical

parts

Will

cause

death

severe

personal

injury

property

damage

Read

instruction

manuals

observe

safety

instructions

and

use

qualified

personnel

Inspections

Checks

and

Tests

without

Control

Power

Vacuum

circuit

breakers

are

normally

shipped

with

their

pri

mary

contacts

open

and

their

springs

discharged

However

critical

rsfverify

the

discharged

condition

the

spring

loaded

mechanisms

after

energizing

control

power

Energizing

Control

Power

Switchgear

When

the

circuit

breaker

mounted

switchgear

open

the

control

power

disconnect

device

the

metal

clad

switchgear

cubicle

Figure

shows

the

location

this

disconnect

standard

switchgear

assembly

The

control

power

disconnect

device

located

the

device

panel

above

the

lower

circuit

breaker

and

below

the

upper

circuit

breaker

Figure

shows

pullout

type

fuse

holder

Removal

the

fuse

holder

energizes

control

power

the

circuit

breaker

the

respective

switchgear

cell

some

switchgear

assemblies

molded

case

circuit

breaker

used

lieu

the

pull

out

type

fuse

holder

Opening

this

circuit

breaker

accomplishes

the

same

result

control

power

dis

connected

Spring

Discharge

Check

(

Figure

)

Perform

the

Spring

Discharge

Check

before

removing

the

circuit

breaker

from

the

pallet

removing

from

the

switchgear

The

spring

discharge

check

consists

simply

performing

the

following

tasks

the

order

given

This

check

assures

that

both

the

tripping

and

closing

springs

are

fully

discharged

Press

red

Trip

pushbutton

Press

black

pushbutton

Again

press

red

Trip

pushbutton

Verify

Spring

Condition

Indicator

shows

DISCHARGED

Verify

Main

Contact

Status

Indicator

shows

OPEN

Removal

from

Lower

Cell

Indoor

(

not

raised

pad

)

and

Shelter

Clad

Outdoor

Switchgear

After

performing

the

Spring

Discharge

Check

(

with

control

power

energized

)

remove

the

circuit

breaker

from

its

switchgear

cubicle

Insert

the

racking

crank

the

racking

screw

the

front

the

breaker

cell

and

push

This

action

operates

the

racking

interlock

latch

Figure

shows

racking

circuit

breaker

the

upper

cell

the

process

similar

for

breaker

the

lower

cell

Rotate

the

racking

crank

counterclockwise

until

the

breaker

the

Disconnect

position

the

racking

crank

not

the

Captive

type

constant

inward

pressure

required

during

racking

maintain

engagement

with

the

racking

mecha

nism

Move

the

breaker

release

latch

the

left

and

pull

the

circuit

breaker

out

from

the

Disconnect

position

The

breaker

can

now

removed

from

cubicle

Figure

Control

Power

Disconnects

Switchgear

Figure

Front

Panel

GMI

Circuit

Breaker

Courtesy of NationalSwitchgear.com

Installation

Checks

and

Initial

Functional

Tests

The

procedure

for

removal

upper

circuit

breaker

Insert

the

two

extension

rails

into

the

fixed

rails

sure

the

extension

rails

are

properly

secured

place

(

This

can

done

Step

preferred

)

Insert

the

racking

crank

the

racking

screw

the

front

the

breaker

cell

and

push

This

action

operates

the

racking

interlock

latch

Figure

shows

racking

circuit

breaker

the

upper

cell

Rotate

the

racking

crank

counterclockwise

until

the

breaker

the

Disconnect

position

the

racking

crank

not

the

Captive

type

constant

pressure

required

during

racking

maintain

engagement

with

the

racking

mechanism

you

have

not

yet

installed

the

extension

rails

now

Note

that

some

difficulty

may

experienced

installing

the

extension

rails

the

circuit

breaker

the

Disconnect

position

difficulty

encountered

rack

the

circuit

breaker

the

Test

position

install

the

extension

rails

and

then

rack

the

circuit

breaker

the

Disconnect

position

The

circuit

breaker

now

free

rolled

out

the

floor

using

the

handles

shown

Figure

The

wheels

the

circuit

breaker

are

virtually

floor

level

(

unless

the

switch

gear

installed

raised

pad

)

and

one

person

can

easily

handle

the

unit

Removal

from

Upper

Cell

(

Indoor

and

Shelter

Clad

Out

door

Switchgear

)

Removal

the

upper

breaker

two

high

assembly

similar

removal

breaker

from

lower

cell

with

several

additional

steps

Figure

shows

one

the

two

breaker

extension

rails

being

inserted

into

the

fixed

rails

within

the

upper

cell

two

high

switchgear

equipment

The

rails

engage

locking

pins

the

fixed

rails

secure

them

position

AWARNING

Heavy

Weight

Can

cause

death

serious

injury

property

damage

Always

use

extension

rails

remove

install

circuit

breaker

the

upper

cell

cells

not

installed

floor

level

Move

the

breaker

release

latch

the

left

and

pull

the

circuit

breaker

out

from

the

Disconnect

position

The

breaker

now

free

rolled

out

the

two

extension

rails

using

the

handles

the

front

the

circuit

breaker

Remove

the

breaker

from

the

two

extension

rails

using

the

approved

Siemens

breaker

lifting

device

Lift

the

two

extension

rails

and

withdraw

them

from

the

switchgear

Figure

Racking

Circuit

Breaker

Switchgear

Figure

Use

Extension

Rails

for

Upper

Compartment

Figure

Removal

Circuit

Breaker

Courtesy of NationalSwitchgear.com

Installation

Checks

and

Initial

Functional

Tests

Found

and

Vacuum

Check

Tests

Perform

and

record

the

results

both

the

Found

insulation

test

and

the

vacuum

check

high

potential

test

Procedures

for

these

tests

are

described

the

Maintenance

Section

this

manual

Removal

from

Upper

and

Lower

Cell

Outdoor

Non

Walk

Enclosures

for

Indoor

Switchgear

Installed

Raised

Pad

Because

the

floor

level

non

walk

outdoor

enclosures

approximately

inches

above

grade

(

founda

tion

)

level

the

lower

breaker

either

one

high

two

high

section

switchgear

must

removed

using

the

preceding

procedure

for

upper

breaker

removal

The

approved

breaker

lifting

device

should

used

for

moval

both

lower

and

upper

breakers

from

the

extension

rails

outdoor

non

walk

enclosures

Physical

Inspections

Verify

that

rating

the

circuit

breaker

compatible

with

both

the

system

and

the

switchgear

Perform

visual

shipping

damage

check

Clean

the

breaker

all

shipping

dust

dirt

and

foreign

material

Manual

Spring

Charging

Check

Insert

the

manual

spring

charging

lever

into

the

manual

charge

handle

socket

shown

Figure

Operate

the

lever

and

down

until

the

spring

condition

indicator

shows

the

closing

spring

Charged

Repeat

the

Spring

Discharge

Check

Verify

that

the

springs

are

discharged

and

the

breaker

primary

contacts

are

open

indicator

positions

Automatic

Spring

Charging

Check

Note

temporary

source

control

power

and

test

leads

may

required

the

control

power

source

has

not

been

con

nected

the

switchgear

(

Refer

the

specific

wiring

informa

tion

and

rating

label

for

your

circuit

breaker

determine

the

voltage

required

and

where

the

control

voltage

signal

should

applied

Usually

spring

charging

power

connected

secondary

disconnect

fingers

and

closing

control

power

and

tripping

power

and

)

When

control

power

connected

the

GMI

circuit

breaker

the

closing

springs

should

automatically

charge

The

automatic

spring

charging

features

the

circuit

breaker

must

checked

Control

power

required

for

automatic

spring

charging

take

place

Open

control

power

circuit

removing

pullout

fuse

holder

shown

Figure

Install

breaker

end

split

plug

jumper

(

furnished

)

shown

Figure

the

circuit

breaker

The

plug

jumper

secured

means

screws

over

the

circuit

breaker

secondary

contacts

CAUTIO

asns

21659

Figure

Split

Plug

Jumper

Connected

Circuit

Breaker

Figure

Manual

Charging

Closing

Springs

Courtesy of NationalSwitchgear.com

Installation

Checks

and

Initial

Functional

Tests

Install

the

switchgear

end

the

plug

jumper

shown

Figure

the

secondary

disconnect

block

inside

the

switchgear

cubicle

The

jumper

slides

into

place

The

plug

jumper

interconnects

all

control

power

and

signal

leads

(

remote

trip

and

contacts

)

between

the

switch

gear

and

the

circuit

breaker

Energize

(

)

the

control

power

circuit

disconnect

(

Fig

ure

)

Use

the

and

Trip

controls

(

Figure

)

first

and

then

Open

the

circuit

breaker

contacts

Verify

contact

positions

visually

observing

the

Open

Closed

indicator

the

circuit

breaker

energize

control

power

repeating

Step

Disconnect

the

plug

jumper

from

the

switchgear

first

and

from

the

circuit

breaker

Perform

the

Spring

Discharge

Check

again

Verify

that

the

closing

springs

are

discharged

and

the

primary

contacts

the

GMI

circuit

breaker

are

open

Final

Mechanical

Inspections

without

Control

Power

Make

final

mechanical

inspection

the

circuit

breaker

Verify

that

the

contacts

are

the

Open

position

and

the

closing

springs

are

Discharged

Check

the

upper

and

lower

primary

studs

and

contact

fingers

shown

Figure

Verify

mechanical

condition

finger

springs

and

the

disconnect

studs

Coat

movable

primary

contact

fingers

(

Figure

)

and

the

secondary

disconnect

contacts

(

Figure

and

)

with

light

film

Siemens

Contact

Lubricant

171

370

002

The

GMI

vacuum

circuit

breaker

ready

for

installation

into

its

assigned

cubicle

the

metal

clad

switchgear

Refer

removal

procedures

and

install

the

circuit

breaker

into

the

switchgear

Refer

the

Switchgear

Instruction

Manual

for

functional

tests

installed

circuit

breaker

Figure

Rear

GMI

Breaker

with

Primary

Disconnects

Figure

Split

Plug

Jumper

Connected

Switchgear

Courtesy of NationalSwitchgear.com

Interrupter

Operator

Description

Vacuum

Interrupters

and

Primary

Disconnects

The

operating

principle

the

GMI

vacuum

interrupter

simple

Figure

cutaway

view

typical

vacuum

interrupter

The

entire

assembly

sealed

after

vacuum

established

The

interrupter

stationary

contact

connected

the

upper

disconnect

stud

the

circuit

breaker

The

inter

rupter

movable

contact

connected

the

lower

disconnect

stud

and

driving

mechanism

the

circuit

breaker

The

metal

bellows

assembly

provides

secure

seal

around

the

movable

contact

preventing

loss

vacuum

while

permitting

vertical

motion

the

movable

contact

Introduction

The

Type

GMI

vacuum

circuit

breaker

drawout

construc

tion

designed

for

use

medium

voltage

metal

clad

switch

gear

The

GMI

circuit

breaker

conforms

the

requirements

ANSI

standards

37.20

37.04

37.06

37.09

and

37.010

GMI

circuit

breakers

consist

three

vacuum

interrupters

stored

energy

operating

mechanism

necessary

electrical

controls

and

interlock

devices

disconnect

devices

connect

the

breaker

both

primary

and

control

power

and

operator

housing

some

circuit

breaker

ratings

insulating

barriers

are

located

between

the

vacuum

interrupters

along

the

sides

This

section

describes

the

operation

each

major

subassem

bly

aid

the

operation

installation

maintenance

and

repair

the

GMI

vacuum

circuit

breaker

FIXED

CONTACT

CURRENT

CONNECTION

CERAMIC

INSULATOR

ARC

CHAMBER

ARC

SHIELD

FIXED

CONTACT

MOVING

CONTACT

•

CERAMIC

INSULATOR

METAL

BELLOWS

GUIDE

—

MOVING

CONTACT

CURRENT

CONNECTION

Figure

Cutaway

View

GMI

Vacuum

Interrupters

When

the

two

contacts

separate

arc

initiated

which

continues

conduction

the

following

current

zero

current

zero

the

arc

extinguishes

and

any

conductive

metal

vapor

which

has

been

created

and

supported

the

arc

condenses

the

contacts

and

the

surrounding

vapor

shield

Contact

materials

and

configuration

are

optimized

achieve

arc

motion

and

minimize

switching

disturbances

Figure

Front

View

GMI

Breaker

Courtesy of NationalSwitchgear.com

Andere Handbücher für GMI Series

Dieses Handbuch passt für folgende Modelle

Andere Siemens Schutzschalter Handbücher

Siemens

Siemens WL Series Bedienungsanleitung

Siemens

Siemens 3VT9.00-1CC.2 Bedienungsanleitung

Siemens

Siemens 8DA10 Bedienungsanleitung

Siemens

Siemens N250X Bedienungsanleitung

Siemens

Siemens 3VL41 KN30 Series Bedienungsanleitung

Siemens

Siemens PCTL83 Bedienungsanleitung

Siemens

Siemens 3VT9300-4WN00 Bedienungsanleitung

Siemens

Siemens S3 Bedienungsanleitung

Siemens

Siemens SIRIUS S3 3RV1.4 Bedienungsanleitung

Siemens

Siemens 3VA9988-0AB32 Bedienungsanleitung

Siemens

Siemens 3VS16 Bedienungsanleitung

Siemens

Siemens Static Trip III Handbuch

Siemens

Siemens 8GK4730-3KK.0 Series Bedienungsanleitung

Siemens

Siemens 3ZX1012-0RV01-1AA1 Bedienungsanleitung

Siemens

Siemens 3VT9300-4RC30 Bedienungsanleitung

Siemens

Siemens TCF2 Bedienungsanleitung

Siemens

Siemens 5SY17 Series Bedienungsanleitung

Siemens

Siemens UL 489 Bedienungsanleitung

Siemens

Siemens 3VA20 H Series Bedienungsanleitung

Siemens

Siemens CNT3R Series Bedienungsanleitung

Siemens

Siemens PCBJFC3 Bedienungsanleitung

Siemens

Siemens 3 Series Series Bedienungsanleitung

Siemens

Siemens HBLQR Bedienungsanleitung

Siemens

Siemens SENTRON 3WA1 Bedienungsanleitung

Beliebte Schutzschalter Handbücher anderer Marken

ABB

ABB SACE Emax 2 E2.2 Bedienungsanleitung

Eaton

Eaton NOVA LBS 15 Bedienungsanleitung

Gewiss

Gewiss 90 RCD Bedienungsanleitung

ABB

ABB SACE Emax E1 Bedienungsanleitung

WEG

WEG FHU ACW125 Bedienungsanleitung

hager

hager TS 303 Montageanleitung

ETI

ETI EFI-4B Bedienungsanleitung

nader

nader NDM3EU-225 Bedienungsanleitung

TERASAKI

TERASAKI NHP TemBreak PRO P160 Series Bedienungsanleitung

Gladiator

Gladiator GCB150 Bedienungsanleitung

Eaton

Eaton 50DHP-VR Handbuch

ABB

ABB SACE Emax 2 E6.2 Handbuch

OEZ

OEZ LFN Bedienungsanleitung

Eaton

Eaton Power Defense PDG2 Handbuch

Bticino

Bticino L4412CM2 Bedienungsanleitung

Eaton

Eaton S-T0 Handbuch

OEZ

OEZ 3VA9-RS-4VBH1 Handbuch

Rockwell Automation

Rockwell Automation Allen-Bradley 140G-G Bedienungsanleitung