Siemens L-T-E MD6 Betriebsanleitung

SIEMENS

Molded

Case

Circuit

Breakers

Frame

Information

and

Instruction

Guide

Courtesy of NationalSwitchgear.com

and

Frame

Circuit

Breakers

and

Pole

500

1200

Amperes

Types

MXD

NXD

HMD

HMXD

HND

HNXD

CMD

CND

MXD

ETI

CMD

ETI

Table

Contents

Accessories

(

ContM

)

Important

Notices

Max

Flex

Flange

Mount

Handle

Operator

TELE

MAN

Electric

Motor

Operator

General

Information

Dimensional

Reference

Drawings

Connecting

Straps

Pressure

Wire

Connectors

Enclosures

Compression

Connectors

Door

Latch

Mechanism

Trip

Unit

Assembly

Operating

Characteristics

Handle

Blocking

Device

Time

Current

Curves

Padlocking

Device

Let

Thru

Curves

Plug

Adapters

Ordering

Information

Connecting

Studs

Circuit

Breaker

Catalog

Numbers

Mechanical

Interlock

Internal

Accessory

Catalog

Numbers

Accessories

Additional

Accessories

Catalog

Numbers

Shunt

Trip

Undervoltage

Trip

Auxiliary

Switch

and

Bell

Alarm

Switch

Installation

Miscellaneous

Shunt

Trip

Undervoftage

Trip

Auxiliary

Switch

and

Bell

Alarm

Switch

Electrical

and

Mechanical

Check

Listings

and

File

Numbers

Industry

Specifications

Rotary

Handle

Operator

These

instructions

not

purport

cover

all

details

variations

equipment

nor

provide

for

every

possible

con

tingency

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

Siemens

sales

office

The

contents

this

instruction

manual

shall

not

become

part

modify

any

prior

existing

agreement

commitment

relationship

The

sales

contract

contains

the

entire

obligation

Siemens

The

warranty

contained

the

contract

between

the

parties

the

sole

warranty

Siemens

Any

statements

continued

herein

not

create

new

warranties

modify

the

existing

warranty

Courtesy of NationalSwitchgear.com

nil

Information

and

Instructions

General

Information

mSS

General

and

Frame

Sentron

Series

circuit

breakers

shown

page

are

for

use

individual

enclosures

switch

boards

and

power

and

distribution

panel

boards

They

are

available

thermal

magnetic

with

interchangeable

trip

units

(

types

MXD

NXD

standard

interruption

level

HMD

HMXD

HND

HNXD

high

interruption

level

and

CMD

CND

current

limiting

)

instantaneous

magnetic

trip

only

(

motor

circuit

protectors

types

MXD

ETI

and

CMD

ETI

)

and

molded

case

switches

(

types

MXD

NXD

CMD

CND

)

CMD

CND

type

Sentron

Series

circuit

breakers

combine

thermal

magnetic

construction

for

overload

protection

con

junction

with

the

and

Frame

’

standard

“

blow

apart

”

contacts

This

arrangement

provides

for

current

limiting

pro

tection

under

high

fault

interrupting

conditions

outlined

the

National

Electrical

Code

Article

240

and

489

standards

CMD

CND

type

circuit

breakers

are

fuseless

and

therefore

eliminate

the

requirement

locating

and

replac

ing

blown

fuses

should

high

current

fault

occur

The

common

trip

feature

the

circuit

breaker

completely

retained

that

all

poles

the

circuit

breaker

open

when

caused

trip

due

overload

short

circuit

Pressure

wire

connectors

suitable

for

use

with

aluminum

copper

wire

are

available

for

all

and

Frame

circuit

breakers

Rear

connection

studs

plug

connector

assem

blies

are

also

available

(

and

pole

)

The

latter

mounting

arrangement

permits

the

removal

the

circuit

breaker

from

its

leads

without

physically

coming

contact

with

either

the

line

load

terminals

listed

special

features

such

shunt

trip

auxiliary

and

alarm

switches

and

undervoltage

trip

devices

are

available

for

internal

mounting

The

installation

and

removal

theses

devices

accomplished

qualified

personnel

only

Information

concerning

them

can

found

pages

Thermal

Magnetic

MXD

NXD

HMD

HMXD

HND

HNXD

CMD

and

CND

type

circuit

breakers

provide

complete

overload

and

short

circuit

protection

use

time

delay

thermal

trip

element

and

instantaneous

magnetic

trip

device

Nominal

instantaneous

trip

values

are

externally

adjustable

with

trip

points

shown

below

Circuit

breakers

are

calibrated

the

factory

under

controlled

temperature

conditions

for

applications

(

104

)

ambient

The

cover

the

trip

unit

sealed

prevent

access

the

trip

elements

Alterations

the

calibration

these

elements

should

not

attempted

Removal

the

seals

will

void

the

listing

for

that

specific

trip

unit

Catalog

numbers

for

order

ing

and

informational

purposes

can

found

pages

Instantaneous

Trip

ETI

motor

circuit

interrupters

(

adjustable

instantaneous

magnetic

trip

only

)

are

designed

for

use

welding

circuits

motor

circuits

and

combination

starters

where

short

circuit

protection

only

required

When

used

combination

starters

they

serve

conjunction

with

motor

protective

relays

offer

complete

protection

The

relays

guard

against

motor

overloads

;

the

circuit

breaker

provides

short

circuit

protection

ETI

available

for

Frame

only

breaker

types

MXD

ETI

and

CMD

ETI

The

available

instantaneous

adjustments

are

follows

Breaker

Ampere

Rating

ETI

Trip

Settings

Motor

Full

Load

Amperes

Adjustment

Amperes

231

264

292

330

Low

3000

3430

3860

330

362

395

428

4280

4710

5140

800

Low

428

462

490

5570

Nominal

Instantaneous

Values

High

6000

Ampere

Rating

Low

308

352

442

447

Low

4000

4570

5740

500

600

700

800

900

1200

3430

4570

5715

3860

3000

4000

5000

4280

5710

7145

5740

6430

447

483

527

571

5810

800

6280

Stand

Nominal

Instantaneous

Values

Ampere

Rating

6850

High

571

616

660

7420

8000

500

600

700

800

900

1200

5140

4710

6280

7860

5570

6000

High

6850

8575

7420

8000

9290

000

385

440

495

550

Low

5000

5715

6430

National

Electrical

Code

(

240

)

“

current

limiting

overcurrent

protective

device

which

when

interrupting

currents

its

current

limiting

range

will

reduce

the

current

flowing

the

faulted

circuit

magnitude

substantially

less

than

that

obtainable

the

same

circuit

the

device

were

replaced

with

solid

conductor

having

comparable

impedance

”

Underwriters

Laboratories

(

489

Par

2.5

)

“

circuit

breaker

that

does

not

employ

fusible

element

and

that

when

operating

within

its

current

limiting

range

limits

the

let

through

value

less

than

the

cycle

wave

the

symmetrical

prospective

current

”

550

605

660

715

7145

7860

8575

800

High

715

800

9290

High

10000

Courtesy of NationalSwitchgear.com

Information

and

Instructions

Operation

and

Maintenance

Circuit

Breaker

Operation

With

the

mechanism

latched

and

the

contacts

open

the

oper

ating

handle

will

the

OFF

position

Moving

the

handle

the

position

closes

the

contacts

and

establishes

circuit

through

the

breaker

Under

overload

short

circuit

conditions

sufficient

automatically

trip

open

the

breaker

the

oper

ating

handle

moves

position

between

and

OFF

relatch

the

circuit

breaker

after

automatic

operation

move

the

operating

handle

the

extreme

OFF

position

The

circuit

breaker

now

ready

for

reclosing

The

overcenter

toggle

mechanism

trip

free

the

operat

ing

handle

The

circuit

breaker

therefore

cannot

held

closed

means

the

handle

should

tripping

condition

exist

After

automatic

operation

the

handle

assumes

inter

mediate

position

between

and

OFF

displaying

clear

indication

tripping

Molded

Case

Switch

molded

case

switch

available

the

MXD

CMD

NXD

and

CND

type

circuit

breakers

This

device

employs

the

same

operating

mechanism

the

thermal

magnetic

and

magnetic

only

units

preset

instantaneous

function

has

been

factory

installed

allow

the

switch

trip

and

protect

itself

against

high

fault

conditions

overload

low

fault

protec

tion

provided

This

protection

must

supplied

separate

overcurrent

devices

Catalog

information

located

pages

and

Interrupting

Ratings

Symmetrical

RMS

Amperes

(

)

Based

489

Standards

Interrupting

ratings

the

and

Frame

circuit

breakers

are

based

circuit

and

test

conditions

outlined

489

RMS

Symmetrical

Amperes

(

)

lie

ULA

Breaker

Type

Maintenance

Experience

has

shown

that

properly

applied

molded

case

cir

cuit

breakers

normally

not

require

maintenance

However

some

industrial

users

may

choose

establish

inspection

and

maintenance

procedure

carried

out

regular

basis

For

detailed

information

consult

applicable

NEMA

pub

lications

your

local

Siemens

sales

office

Volt

(

)

Volts

380

415

500

(

220

240

480

600

250

MXD

NDX

(

)

(

)

(

)

(

)

HMD

HMXD

HND

HNXD

100

(

)

(

)

(

)

(

)

100

CMD

CND

(

)

(

)

200

(

)

100

(

)

100

200

SPECIAL

NOTE

CMD

and

CND

circuit

breakers

are

not

listed

interchangeable

trips

—

NOT

REMOVE

TRIP

UNIT

and

replace

with

another

Removal

trip

unit

voids

listing

Meets

requirements

IEC

157

(

)

(

For

500

applications

the

customer

’

power

supply

and

load

must

wired

shown

(

Figure

)

(

)

CMD

and

CND

type

circuit

breakers

are

current

limiting

240

480

NOTE

Present

Standard

489

allows

the

following

toler

ances

for

instantaneous

adjustment

response

;

Thermal

Magnetic

Breakers

Instantaneous

Adjustment

Low

instantaneous

Only

Breakers

Each

Adjustment

High

Breaker

Outline

LOAD

Wiring

Diagram

Figure

Courtesy of NationalSwitchgear.com

and

Frame

Outline

Drawings

and

Pole

6.00

9.0

Removable

Terminal

Shield

—

Dia

Mounting

Holes

Dia

Counterbore

Holes

See

Section

Below

3.0

Thick

Taper

—

(

)

1.47

9.9

©©©

14.25

3.22

21.8

16.0

TRIPPED

435

PUSH

TRIP

Button

4.45

OFF

’

Wireway

5.04

7.16

5.64

4.71

4.40

3.44

(

)

(

)

’

—

Magnetic

Trip

Typ

TyP

Max

Typ

Adjustment

Terminal

•

Shield

Removable

4.0

;

(

3.52

—

2.5

Typ

1.5

—

3.0

Wire

Connector

Shield

Typ

Each

End

Front

View

Side

View

Handle

Operating

Forces

3.60

Operation

Ext

2.13

OFF

TRIPPED

RESET

Taper

Typ

130

1.50

Ref

All

drawing

dimensions

are

shown

inches

Two

and

pole

breakers

are

the

same

physical

size

Current

carrying

parts

are

omitted

from

the

center

pole

breakers

8.25

Ref

Unc

—

Trip

Unit

2.10

1.28

1.94

Typ

(

3.0

—

End

View

Ref

2.16

Detail

Courtesy of NationalSwitchgear.com

Pressure

Wire

Connectors

Attach

power

cables

connectors

and

tighten

set

screws

(

)

(

Figure

)

specifications

per

Table

NOTE

Cables

must

extend

straight

for

least

inches

from

face

connector

clear

shield

Mount

removable

terminal

shield

(

)(

Figure

)

end

circuit

breaker

Shield

should

flush

with

end

circuit

breaker

assemble

terminal

shield

NOTE

When

terminal

cover

properly

installed

wire

con

nector

shield

should

held

securely

NOTE

End

barrier

NDTS

supplied

with

kits

8500

8750

Barrier

can

purchased

separate

item

for

use

with

other

terminal

connectors

DANGER

Hazardous

Voltage

Will

cause

severe

injury

death

Turn

off

and

lock

out

all

power

supplying

this

device

before

installing

servicing

SAFETY

INSTRUCTIONS

General

NOTE

This

instruction

outlines

the

recommended

install

ation

procedures

for

8500

8750

and

8750

Move

breaker

handle

OFF

position

depress

PUSH

TRIP

button

Breaker

must

OFF

TRIPPED

sition

before

continuing

Remove

terminal

shield

(

)

(

Figure

)

(

two

screws

)

Mount

breaker

securely

See

circuit

breaker

instructions

for

proper

installation

procedures

Mount

pressure

wire

connectors

(

)

terminal

pads

(

)

with

mounting

screws

(

)

(

Figure

)

Recommended

tor

que

228

NOTE

Steps

and

may

completed

any

convenient

order

Figure

Courtesy of NationalSwitchgear.com

Pressure

Wire

Connectors

Table

Connector

Selection

Chart

Circuit

Breaker

Ampere

Rating

Connector

Wire

Range

Set

Screw

Torque

For

Use

With

Type

(

)

Connector

Catalog

Numbers

MXD

SMD

HMD

HMXD

SHMD

CMD

SCMD

(

)

AWG

500

kcmil

(

)

500

600

375

500

MXD

SMD

HMD

HMXD

SHMD

CMD

SCMD

ETI

CMD

ETI

(

)

AWG

500

kcmil

(

)

700

800

375

500

NXD

SND

HND

HNXD

SHND

CND

SCND

(

)

250

500

kcmil

(

)

800

1200

375

8500

NXD

SND

HND

HNXD

SHND

CND

SCND

(

)

250

500

kcmil

(

)

800

1200

375

8500

MXD

SMD

HMD

HMXD

SHMD

CMD

SCMD

(

)

AWG

500

kcmil

(

)

500

600

375

500

MXD

SMD

HMD

HMXD

SHMD

CMD

SCMD

(

)

AWG

350

kcmil

(

)

700

800

375

350

MXD

SMD

HMD

HMXD

SHMD

CMD

SCMD

(

)

600

750

kcmil

(

)

700

800

375

8750

(

)

250

400

kcmil

(

)

(

)

500

700

kcmil

(

)

NXD

SND

HND

HNXD

SHND

CND

SCND

700

1200

375

8750

(

Connectors

supplied

kits

only

(

All

connector

bodies

will

fit

all

and

Frame

circuit

breakers

regardless

trip

unit

ampere

rating

Courtesy of NationalSwitchgear.com

Compression

Connectors

(

CCM

800

CCN

1200

)

Remove

cap

from

compression

connector

and

insert

cable

fully

into

barrel

(

)

(

Figure

)

connector

Insure

that

connector

tang

(

)

(

)

(

Figure

)

are

their

proper

orientation

prior

crimping

This

helps

avoid

twist

ing

cables

during

installation

DANGER

Hazardous

Voltage

Will

cause

severe

injury

death

Turn

off

and

lock

out

all

power

supplying

this

device

before

installing

servicing

SAFETY

INSTRUCTIONS

General

NOTE

This

instruction

sheet

outlines

the

recommended

stallation

procedure

Use

lugs

may

result

reduced

wire

bending

space

The

installer

should

verify

that

adequate

wire

bending

space

still

provided

for

the

installation

accordance

with

applicable

codes

Figure

Select

appropriate

tool

and

die

combination

from

Table

and

make

the

required

number

crimps

within

the

bound

aries

stamped

the

connector

barrel

Refer

Figure

for

sequence

multiple

crimps

Mun

Second

Crimp

First

Crimp

viJSs

Compression

Connector

Kit

CCN

1200

Installation

Compression

Connector

Turn

off

power

supplying

device

before

installing

compres

sion

lugs

Remove

any

existing

wire

connectors

from

circuit

breaker

Install

circuit

breaker

Preform

cables

final

configuration

and

strip

insulation

back

113

each

conductor

Use

appropriate

sulation

stripping

tool

avoid

damaging

the

conductor

(

Figure

)

Clean

aluminum

conductor

surfaces

thoroughly

with

wire

brush

other

suitable

means

remove

oxides

and

other

contaminants

from

the

conductor

NOTE

Copper

wires

and

the

compression

connector

should

not

cleaned

abrasively

Connector

Crimps

Figure

Remove

any

inhibitor

compound

expelled

during

the

crimping

operation

from

the

connector

body

and

the

cable

insulation

Slip

insulating

cover

over

connector

tang

and

then

over

connector

barrel

that

only

the

connector

tang

posed

(

Figure

)

WARNING

Short

spacings

will

result

Step

not

followed

Courtesy of NationalSwitchgear.com

Compression

Connectors

(

CCM

800

CCN

1200

)

Insulating

Cover

Figure

Position

connector

tang

top

the

circuit

breaker

termi

nal

pad

and

secure

with

socket

head

cap

screw

and

conical

spring

washer

Conical

spring

washer

installed

with

convex

side

washer

toward

under

side

screw

head

(

Figure

)

Torque

screw

228

NOTE

When

using

this

kit

for

ampacities

less

than

1200

Aor

where

only

one

two

connectors

are

mounted

the

terminal

pad

insert

spacers

provided

kit

between

spring

washer

and

compression

lug

(

Figures

and

)

Connector

and

Spacer

Combinations

Figure

Catalog

Information

Catalog

Number

Compression

Connector

Kits

set

terminals

for

line

load

end

pole

frame

circuit

breaker

CCM

800

CCM

800

set

terminals

for

line

load

end

pole

frame

circuit

breaker

CCN

1200

set

terminals

for

line

load

end

pole

frame

circuit

breaker

CCN

1200

set

terminals

for

line

load

end

pole

frame

circuit

breaker

Courtesy of NationalSwitchgear.com

Andere Handbücher für l-T-E MD6

Dieses Handbuch passt für folgende Modelle

Inhaltsverzeichnis

Andere Siemens Schutzschalter Handbücher

Siemens

Siemens 3AFS Series Programmierhandbuch

Siemens

Siemens NEG Series Bedienungsanleitung

Siemens

Siemens 3WL10 Series Bedienungsanleitung

Siemens

Siemens 3WX3641-0JB00 Bedienungsanleitung

Siemens

Siemens 3WX3647-5JE00 Bedienungsanleitung

Siemens

Siemens 3VA9908 - 0BB Series Bedienungsanleitung

Siemens

Siemens 3VA9 7 0JA1 Series Bedienungsanleitung

Siemens

Siemens 3ZW1012-0WL11-0AB1 Bedienungsanleitung

Siemens

Siemens 3AH6 Bedienungsanleitung

Siemens

Siemens 8DJH Handbuch

Siemens

Siemens Sentron LMD6 Series Betriebsanleitung

Siemens

Siemens 5SV3.2.-4 Bedienungsanleitung

Siemens

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