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Full Voltage

Duplex AC Motor Controllers

Class 8941

www.se.com/us

Table 16.255: 3-Pole Polyphase—600 Vac Maximum (50–60 Hz) Combination Disconnect Switch Type—With Electric Alternation (Devices require 6 thermal units. See Thermal Unit Selection, page 16-134.) Motor

NEMA4/4X Watertight and Dusttight Enclosure Stainless Steel

NEMA12 (NEMA 3 and 3R) [6] Dusttight and Driptight Industrial Use Enclosure

NEMA1 General Purpose Enclosure

Fuse Clip Size (A) [5] None 30 None 60 None 60 None 30 None 60 None 60 None 30 None 30 None 60 None 100

Max. Hp Poly phase

Coil Voltage

Voltage (Starter Voltage)

NEMA Size

Type [7]

UBG10●●● DBG08●●● UCG20●●● DCG18●●● UDG30●●● DDG28●●● UBG10●●● DBG08●●● UCG20●●● DCG18●●● UDG30●●● DDG28●●● UBG10●●● DBG10●●● UCG20●●● DCG20●●● UDG30●●● DDG30●●● UEG40●●● DEG40●●●

UBW10●●● DBW08●●● UCW20●●● DCW18●●● UDW30●●● DDW28●●● UBW10●●● DBW08●●● UCW20●●● DCW18●●● UDW30●●● DDW28●●● UBW10●●● DBW10●●● UCW20●●● DCW20●●● UDW30●●● DDW30●●● UEW40●●● DEW40●●●

UBA10●●● DBA08●●● UCA20●●● DCA18●●● UDA30●●● DDA28●●● UBA10●●● DBA08●●● UCA20●●● DCA18●●● UDA30●●● DDA28●●● UBA10●●● DBA10●●● UCA20●●● DCA20●●● UDA30●●● DDA30●●● UEA40●●● DEA40●●●

200 (208)

208-60

7.5

10 16 NEMA AND DEFINITE PURPOSE CONTACTORS AND STARTERS 230 (240) 3 7.5

240-60 220-50

480-60 440-50 575 (600)

460 (480)

Factory Modifications (Forms)

Table 16.256: Factory Modifications (Forms) Description [8] Pilot Devices in Cover [9] Start-Stop push buttons—one provided for each motor. ( FormC or FormY68 required.) Hand-Off-Auto selector switch—one provided for each motor. No. 1 Lead—No. 2 Lead selector switch for manual selection of lead pump. ( FormY68 required.) Red On pilot light—one provided for each motor.

NEMASize

Enclosure Type

Form

0–1

1, 4, 12

1, 4,12 Any 1, 4, 12 1, 4, 12 Any Any

X X X X X X X X X X X X X X X X X X X X X X X X X

X X X X X X X X X

C13 P1 P21 G12 Y29

Push-to-test, red On pilot light—one provided for each motor. Non-standard markings for pilot devices. Test push button for each starter.

Control Circuit Modifications Fused control circuit without transformer One fuse Two fuses Fused control circuit transformer, two fuses in primary, with 600, 480, 240 or 208 V primary and 120 V secondary –one provided for each starter. Fused control circuit transformer, two fuses in primary, one fuse in secondary— one provided for each starter.

Any Any Any Any Any Any Any Any Any Any Any Any Any Any Any Any Any Any Any

F F4 F4T

X X X [10]

X X [10] X [10]

FF4T FF4T11 FF4T12

X X X

100 VA additional capacity 200 VA additional capacity

Extra capacity control circuit transformer—two fuses in primary—one provided for each starter (see Table 16.257)

F4T11 F4T12 G97

X X X X X X X X X X X X X

— [11] — [11] X

100 VA additional capacity 200 VA additional capacity Elapsed time meter for each starter

Pressure switch for each starter (Square D pressure switch 9012GAW25) Addition of 2 relays to modify controller for operation with single pole pilot devices Addition of 3 relays to modify controller for operation with single pole mercury float switches

D R7 R8

X X X X X X X X X X

Control circuit wired for separate 120 V source

Addition of 1 N.O. unwired interlock per starter for use by customer (1 N.O. unwired interlock per starter is provided as standard.) Addition of 1 N.C. unwired interlock per starter for customer use Modified wiring for use with double pole mercury float switches Deduct for omission of electrical alternating circuit Additional Control circuit terminals—per wired terminal (5 point terminal block is standard) Unwired

X10 X01 Y24 Y68

G56 [12] G50 [12]

Table 16.257: Capacity NEMA Size

Standard Capacity (FormF4T) Class 9070 Type

100 VA Additional Capacity (Form F4T11)

200 VA Additional Capacity (Form F4T12)

Class 9070 Type

0, 1

TF100 TF100 TF150 TF300

TF200 TF200 TF300 TF500

TF300 TF300 TF500 TF500

2 3 4

For How to Order Information, see page 16-28.

[5] The hp rating applies only when dual element time delay fuses are used. [6] NEMA 12 enclosures can be field modified for outdoor applications. For details, refer to Class 9991 on page 16-113. [7] Replace the three bullets (●●●) in the catalog number with the coil voltage code. Refer to the standard voltage codes listed inTable 16.264. [8] These Forms are most commonly used. Other Forms may be available. Consult the Customer Care Center at 1-888-778-2733 for additional information. [9] Not available on open style devices. [10] Single primary voltage must be specified. [11] Not available on this size. Use Form FF4T●● . [12] Addition of terminal block 9080CA or 9080GR6 only. A 5–point terminal block is provided as standard for custom connection. A wiring diagram must be provided for factory wiring.

16-98

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