Eaton A200 Handbuch

Instruction Leaet IL16958 Effective May 2011

Supersedes August 1992

A200 Size 00, 0, 1 3 Pole Motor Controller

THE CONTROLLER

The A200 motor controller, when wired as shown in Figure

6 or 7, will operate as a full voltage starter and will give

protection against overload, but not against short circuit

currents, when wired and provided with overload relay (OlR)

heaters as listed in heater selection tables or when used

with any means of inherent protection activated by motor

temperature.

The controller should be protected against short circuits by

providing branch circuit protection not to exceed the maximum

protective device ratings listed in Table II.

This industrial type control is designed to be installed, perated,

and maintained by adequately trained work-men. These

instructions do not cover all details, variations, or combinations

of the equipment, its storage, delivery, installation, check out,

safe operation, or maintenance. Care must be exercised to

comply with local, state, and national regulations, as well as

safety practices, for this class of equipment.

AUXILIARY CONTACTS - TYPE J

One normally-open pole adjacent to the power poles is

supplied as the holding circuit auxiliary. A maximum of four

Type J auxiliary units can be installed in the recesses of

each contactor. These may be mounted with the terminals

in line with the power poles or may be mounted with the

terminals in a right angle relationship to the power poles.

Auxiliary contacts mount by means of a spring clip and

retainer screw.

Figure 1. Size 1 A 200 Controller

Figure 2. Dimension Drawings (Dim. in inches)

Instruction Leaet IL16958

Effective May 2011

For A200 Size 00, 0, 1

3 Pole Motor Controller

EATON CORPORATION www.eaton.com

AUXILIARY CONTACTS -TYPE J (cont.)

To remove the unit rotate the retainer screw several times

(counterclockwise) and then slide the auxiliary contact unit out of

the recess.

TYPE B OVERLOAD RELAY (See Figure 3)

This A200 motor controller is usually equipped with a Type B block

type ambient compensated overload relay (with gray reset rod). The

controller can also be supplied with a non-ambient compensated

overload relay (with red reset rod). The relay is of the bimetal

actuated type equipped with a normally-closed control contact. An

optional isolated normally-open control circuit is available for field

mounting. When the overload relay trips, a yellow dot will appear

flush with the molded surface below the reset rod. Resetting the

relay returns this indicator to its normal concealed position.

HEATERS

Heaters are not included with the motor controller and must be

ordered separately per the heater selection table and the information

listed below. When installing heaters be sure that connecting

surfaces are clean and heaters are attached securely to the relay

in the proper location with the screw provided. The trip rating of a

heater in a 40°C Ambient is 125% of the minimum fullload current

shown in Table II. When tested at 600 percent of its trip rating, the

relay will trip in 20 seconds or less.

TYPE A OVERLOAD RELAY (See Figure 4)

The A200 motor controller can be equipped with a Type A block type

non-ambient compensated overload relay (unmarked and with red

reset rod) or with a block type temperature compensated overload

relay (marked “ambient compensated” and with gray reset rod). The

relay is of the bimetal actuated type equipped with trip indicator, trip

adjustment covering ± 15% of rating and a normally-closed control

contact. It may be operated with either hand or automatic reset.

Reset operation is determined by the position of the plate on the

load side of the overload base. Position the reset plate away from

the panel to set the “hand” position. Loosen the locking screw,

move the reset plate toward the panel, and retighten the screw to

set the “auto” position.

Automatic reset should not be used with 2-wire control circuits

where automatic starting of the motor may be hazardous.

Figure 3. Type B overload Relay

Figure 4. Type A Block Overload Relay

Instruction Leaet IL16958

Effective May 2011

For A200 Size 00, 0, 1

3 Pole Motor Controller

EATON CORPORATION www.eaton.com

Heaters should be selected on the basis of the actual full load

current and service factor as shown on the motor nameplate or in

the manufacturer’s published literature. When the service factor of

the motor is 1.15 to 1.25, select heaters from the heater application

table. If the service factor of the motor is 1.0, or there is no service

factor shown, or a maximum of 115% protection is desired, select

one size smaller heater than indicated. When motor and overload

relay are in different ambients and when using non-compensated

overload relays, select heaters from the table using adjusted motor

currents as follows: decrease rated motor current 1% for each °C

motor ambient exceeds controller ambient. Increase rated motor

current 1% for each °C controller ambient exceeds motor ambient.

The conductors attached to the terminals of an overload relay act as

a heat sink and are a consideration in establishing the current rating

of each heater element. To prevent nuisance tripping, which will

occur if undersized conductors are used, select the wire size as if

the conductors had an insulation temperature rating of 75°C, even if

the conductors actually used have a temperature rating higher than

75°C.

Protect the heater and starter against short circuits by providing

branch circuit protection in accordance with the National Electrical

Code.

WARNING:

TO PROVIDE CONTINUED PROTECTION AGAINST FIRE AND SHOCK HAZ-

ARD, THE COMPLETE OVERLOAD RELAY MUST BE REPLACED IF BURNOUT

OF A CURRENT ELEMENT OCCURS. SEE TABLE I.

Instruction Leaet IL16958

Effective May 2011

For A200 Size 00, 0, 1

3 Pole Motor Controller

EATON CORPORATION www.eaton.com

COIL

The A200 motor controller is available with a single or dual voltage

coil. When equipped with a single voltage coil. the contactor is wired

as shown in Figures 6 and 7. A connection diagram for a dual voltage

coil is shown in Figure 5. When supplied with a dual voltage coil. the

motor controller is normally wired for the higher voltage connection.

The wiring may be changed to the lower voltage connection by

removing and reconnecting the jumpers as illustrated below.

AC COIL DATA, SIZE 00, 0 AND 1

(TYPICAL VALUES)

Inrush Sealed sealed Pickup Droput

VA VA Watts (Time in milliseconds)

160 25 7.8 16-24 12-16

RAPLACEMENT COIL: ORDER BY PART NUMBER,

VOLTATE, AND FREQUENCY

Figure 5. Dual Voltage Coil Connections

Figure 6. Connection Diagram (Type B Overload)

Figure 7. Connection Diagram (Type A Overload)

Instruction Leaet IL16958

Effective May 2011

For A200 Size 00, 0, 1

3 Pole Motor Controller

EATON CORPORATION www.eaton.com

Figure 8. Control Station Connection Diagram

SHORT - CIRCUIT WITHSTAND

This motor controller is suitable for use on a circuit capable of

delivering not more than the current (rms symmetrical amperes)

shown below in circuits rated not more than the voltage shown

below (Table V).

Eaton Corporation

Electrical Sector

1111 Superior Ave.

Cleveland, OH 44114

United States

877-ETN-CARE (877-386-2273)

Eaton.com

Publication No. IL16958 / 001

May 2011

Eaton is a registered trademark of Eaton

Corporation.

All other trademarks are property of their

respective owners.

Instruction Leaet IL16958

Effective May 2011

A200 Size 00, 0, 1

3 Pole Motor Controller

MAINTENANCE - First Turn Off Power

To Inspect Contacts Refer to Figure 9. Loosen the two arc box

assembly screws (7) located immediately above and below the

nameplate and remove the arc box (8). Contacts (5) are visible.

Retighten the screws per Table VI.

To Replace Contacts

After removing the arc box and with replacement contacts at hand,

compress the overtravel spring (12) and remove the moving contact

(5) from the crossbar (6). Disconnect any power cables. Remove the

retaining screws (11) and lift out the stationary contact assembly

(14).

To replace contacts, reverse the above procedure, making sure that

stationary contacts are secure (see Table VI), moving contacts are

free to move, overtravel springs are seated and the crossbar moves

freely when the arc box is in position.

The silver cadmium oxide contact buttons need NO dressing or

lubricant throughout their life. Important - Replace all contacts and

springs as a group to avoid misalignment.

To Replace The Coil

Refer to Figure 9. Loosen the assembly screws (10) located to the

immediate top and bottom of the arc box.

Remove connector straps to the overload relay. Pull the loosened

upper base structure (9) forward. Pull the· coil (1) from the upper

base, plug in a new coil, replace the upper base structure and

check the auxiliary contacts for secureness when repositioning the

upper base. Tighten the assembly screws and the connector straps

screws. Refer to Table VI.

Magnet - Armature Assembly

Self alignment and permanent air gap features of the magnet

armature make replacement unnecessary. Mating pole face surfaces

should be kept clean.

Arc box must be in place when the contactor interrupts a circuit.

Figure 9. Size 1 Contator (Exploded View)

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