Intermatic T104-50 Owner's Manual

MODEL: T104-50

24 HOUR DIAL TIME SWITCH

DOUBLE POLE SINGLE THROW (DPST)

40 AMP. RESISTIVE EACH POLE 120-480 VOLT AC;
40 AMP.INDUCTIVE OR TUNGSTEN OR 1000 VA
PILOT DUTY EACH POLE 120V-277V AC;
2 HP (24 FLA)-120V AC; 5 HP (28 FLA)-240V AC.

CLOCK MOTOR: 208-277 VOLTS - 50 HZ.

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

TIME
DIAL

TIME
POINTER

OFF
TRIPPER

MANUAL
LEVER

ON
TRIPPER

WIRING INSTRUCTIONS: To wire switch follow diagram above.

Use solid or stranded COPPER only wire with insulation to suit
installation. See gauge selection table for normal service applica­tions. To make power connections remove 1/2 inch of insulation
from wire ends. Insert bare ends of wire under the pressure plate
of terminals. Use 3/16 or larger screwdriver to tighten terminal
screws firmly. (25 lb-in minimum).
REPLACE INSULATOR BEFORE TURNING ON ELECTRICITY.

MAX.

MINIMUM

LOAD

COPPER

(AMP)

WIRE SIZE

(AWG)

TEMP(°C)

14

15

12

20

10

30

8

40

MIN.

INSUL-

ATION

SINGLE PHASE

120 V. 240 V. 208 V.

60

1/2

60

1

60

2

75

-

75°C INSULATION MAX. MOTOR

LOAD (HP)

2

2 1/2

3
5

PROGRAMMING INSTRUCTIONS

1. 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. For
additional tripper pairs on CLOCK-DIAL order 156T1978A.

2. 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
the pointer. DO NOT MOVE POINTER.

OPERATING INSTRUCTIONS

• TOOPERATESWITCHMANUALLY:Move MANUAL LEVER
below CLOCK-DIAL left or right as indicated by arrows. This

will not effect next operation.

• IN CASE OF POWER FAILURE, reset CLOCK-DIAL to
proper time-of-day. See programming instructions.

INTERMATIC INCORPORATED

154--01037

SPRING GROVE, ILLINOIS 60081-9698

WIRING
DIAGRAM

240 V 2 WIRE
AND GROUND

A 1

GR

LINE 1

240V

LINE 2

SUPPLY

277/480 VOLT CONNECT MOTOR LEADS TO TERMINALS
“A” AND 1 AND SUPPLY NEUTRAL TO TERMINAL “A”.

3 PHASE

240 V.

N/A

N/A

2 3 4

GROUND

PRESSURE PLATE

TERMINAL SCREW

MAKE SURE WIRE
INSULATION CLEARS
PRESSURE PLATE

CLOCK

MOTOR

TO
LOAD(S)