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MODEL: T1475BR

24 HOUR DIAL TIME SWITCH WITH ‘’SKIPPER  ’’
FOUR POLE SINGLE THROW

40 AMP. INDUCTIVE TUNGSTEN OR 1000 V.A. PILOT DUTY EACH POLE 120V - 480V A.C.
40 AMP. TUNGSTEN EACH POLE 120V - 277 V A.C. 
2 H.P. (24 FLA) - 120 V. AC; 5 H.P. (28 FLA) - 240 V. AC SINGLE PHASE
28 FLA 168 LRA (7 1/2 H.P.  - 208V 10 H.P. - 240V 210 H.P. -  480V)  THREE PHASE

®

INDEPENDENTLY WIRED CLOCK MOTOR: 480 VOLTS 60 HZ.

CLOCK MOTOR VOLTAGE AND CYCLE MUST BE AS SPECIFIED. TO
ORDER REPLACEMENT, INDICATE PART NO. (WG--) ON MOTOR 
COVER.

wire with insulation to suit installation. See gauge selection table for nor-
mal service applications. To make power connections see illustration
below.  

Replace front insulator before turning on electricity. Motor

voltage and cycle (Hz). must be as specified above.

PRESSURE PLATE

TERMINAL SCREW

MAKE SURE WIRE
INSULATION CLEARS
PRESSURE PLATE

MINIMUM

COPPER

WIRE SIZE

(AWG)

MAX.

LOAD

(AMP)

MIN.

INSUL-

ATION

TEMP(°C)

75°C INSULATION MAX. MOTOR

LOAD (HP)

SINGLE PHASE

3 PHASE

120 V.

240 V.

208 V.

240 V.

14
12
10

8

15
20
30
40

60
60
60
75

1/2

1
2

-

2

2 1/2

3
5

3
5

71/2

10

3
4
5

7/12

PROGRAMMING INSTRUCTIONS

OPERATING INSTRUCTIONS

TO SET “ON” AND “OFF” TIMES: Hold trippers against edge of CLOCK-DIAL,
pointing to time (AM or PM) when 

ON and OFF operations are desired, tighten

tripper screws firmly. See caution below. For additional tripper pairs on 

CLOCK-

DIAL order 156T1978A.
TO SET TIME-OF-DAY: Pull CLOCK-DIAL outward. Turn in either direction and
align the exact time-of-day on the 

CLOCK-DIAL (the time now, when switch is

being put into operation) 

TO TIME POINTER. DO NOT MOVE THE POINTER.

TO SKIP OPERATION(S) ON SELECTED DAY(S): Insert SKIPPING SCREW(S)
in 

SKIPPER WHEEL for day(s) automatic operation(s) is/are NOT required.

Tighten screws firmly. Move 

MANUAL LEVER to “OFF” and rotate SKIPPER

WHEEL to locate correct day-of-week opposite DAY ARROW--”YESTERDAY” if
ON/CUTOUT TRIPPER 
has not yet advanced wheel “TODAY” if it has.

TO OPERATE SWITCH MANUALLY: Move MANUAL LEVER bellow CLOCK-
DIAL 
left or right as indicated by arrows. This will not effect next operation.
CAUTION: TO AVOID SLOW TRIPPER ACTION FAILURE, DO NOT OPERATE
SWITCH MANUALLY NOR PLACE A TRIPPER 4 HOURS PRIOR TO ON/OFF
CUTOUT TRIPPER SWITCHING.
IN CASE OF POWER FAILURE, 
reset CLOCK-DIAL to proper time-of-day. See
programming instructions.

INTERMATIC INCORPORATED

SPRING GROVE, ILLINOIS 60081-9698

158TS11741

TIME
POINTER

TIME
DIAL
OFF
TRIPPER

MANUAL
LEVER

SKIPPING
SCREW

SKIPPER
WHEEL

DAY
ARROW

ON/CUTOUT

TRIPPER

WIRING INSTRUCTIONS:

To wire switch follow diagram above.
Use solid or stranded COPPER

LR3730

480 V
60 HZ

TO
LOADS

SUPPLY

(4PST)

WIRING DIAGRAM

GROUND
SCREW

CLOCK

MOTOR

A

7

B

5 6

1 2

8

3 4

158TS11741  7/27/04  4:20 PM  Page 1

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