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APPLICATION

The GE Time Switches (56135, 15087, 15207) are universal, electromechanical 
time switches which can be field configured for various power supply 
voltages. The voltage options include 120VAC, 208/240VAC and 277VAC – all 
within the same unit! Selection of the desired supply voltage is easily achieved 
by positioning dipswitches on the printed circuit board assembly (consult 
Dipswitches Configuration on back). The mechanism is mounted in a NEMA 
indoor or outdoor enclosure and is intended for the control of lighting, heating, 
air conditioning, pumps, motors, or general electrical circuits in residential, 
commercial, industrial and agricultural facilities. 
     

SPECIFICATIONS

Input Voltage: 120 VAC, 208/240 VAC, or 277 VAC in all units based 
upon dipswitch configuration.

15087     NEMA 3R   Indoor & Outdoor   BM-A301US5-O2

15207     NEMA 1      Indoor                       BM-A301US5-I2

56922     NEMA 1      Indoor                       BM-A301US5-I2

15132     NEMA 3R   Indoor & Outdoor   EM-A301US9-O2

Switch Rating: DPDT Models

Normally Open Contacts

40A Resistive, 120-277Vac.
30A General Purpose, 120-277Vac.
20A Resistive, 30Vdc
1 HP, 120Vac ; 2HP, 240Vac ;
20A Ballast, 120-277Vac.
15A Tungsten, 120Vac
5.4A Tungsten, 208-277Vac.
800VA, Pilot Duty, 120Vac.
720VA, Pilot Duty, 240-277Vac.
TV-5, 120Vac

Normally Closed Contacts         

30A Resistive, 120-277Vac
15A General Purpose, 120-277Vac
15A Resistive, 30Vdc
20A Ballast, 120-277Vac
1/4HP, 120Vac; 1/2HP, 208-240Vac.
290VA, Pilot, 120Vac.
360VA, Pilot, 208-240Vac.

NOTE: If loads are connected to both NC and NO contacts, both contacts are 
decorated to 67% of the above values.

ENVIRONMENTAL RATINGS

Ambient Temperature: –40F to 130F
Humidity: 0-95% RH, Non-condensing

WIRING CONNECTIONS

Screw clamp terminals for up to 2 AWG #8 wires per position. For supply 
connections, use 8AWG or larger wires suitable for at least 105° C. Use copper 
conductors only.

Lights 

Power LED (Orange)

 – Light illuminates when power is applied to 

the timer

Status LED (Green) 

– Light illuminates when power is applied to load.

Included Hardware

INSTALLATION

CAUTION: Before wiring or servicing, power to this time switch and the 
equipment it controls must be turned off. Turning off the time switch only 
will not prevent a shock hazard. Replace cover plate within housing before 
supplying power to time switch. If you are not comfortable installing this 
device please contact a licensed electrician. Before installing this product read 
all instructions carefully.

Removing Knockout

1.  Select knockouts to be used. Remove the inner 1/2” knockout by inserting 

a flathead screwdriver on the inner most ring and carefully punching the 
knockout loose. Remove slug. If the 3/4” knockout is required, remove the 
outer ring with pliers after removing the 1/2” knockout. Smooth edges with 
a knife if necessary. 

Please refer to Quick Start Guide for Examples and More Details.

Mounting of the Time Switch Box

NOTE - Before mounting be sure to remove knockouts for the wires, (see Quick 
Start Guide)

1.  In order to mount the box you will need the 3 supplied anchors and 3 

supplied screws from the hardware list above. (Anchors included are 
designed for mounting on sheetrock.)

2.  Using the box as a template, mark with a pencil where the three pilot holes 

will be drilled.

Time Switch

WARNING

Risk of electric shock

• Shut off power at fuse box or circuit 

breaker box before installation 

Risk of fire   

• Do not use to control receptacle 

outlets

• Do not exceed electrical ratings
• Use copper wire only with this device

QTY

Hardware

3

M4 Anchors 1” Long

3

M4 Screws 1” Long

2

8 AWG Jumpers for 240V AC

2

10 AWG Jumpers for 120V AC

1

Wire Nut (For Ground Wires)

15135     NEMA 3R   Indoor & Outdoor   

GE 15135 Indoor & Outdoor Timer   

http://waterheatertimer.org/How-to-wire-GE-15135-timer.html

http://waterheatertimer.org/GE-timers-and-manuals.html#15135

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