Specification

Project:

Location:

Product Type:

Contact/Phone:

Model #:

Energy Controls

T104-20 & WH40

The Mechanical Water Heater Series Time Switches regulate

electric water heaters. Daily operation can be set with trippers

from 1 to 23 hours.

Features

• Convenient external override switch (WH40 only)

• Includes 3 sets of ON/OFF trippers

Ratings

Enclosure: Type 1 steel 7 ¾" (19.7 cm) H

x 5" (12.7 cm) W x 3" (7.62 cm) D

in gray nish

Knockouts: Combination

⁄2"-

⁄4" nominal knockouts,

one on back and on each side, and two

on bottom

Switch Type: Double Pole Single Throw

Switch Rating: Each Pole:

Resistive 40 Amp

Inductive or Tungsten; 120-277 VAC

1000 VA Pilot Duty, 120-277 VAC

2 HP (24 FLA), 125 VAC

5 HP (28 FLA), 240 VAC

Power Input 3 Watts Maximum

Operating Temperature: -40°F to 130°F (-40°C to 54°C)

Shipping Weight: 3 lbs. (1.4kg)

Warranty: Limited 1 year

Model in Type 1 Enclosure Clock Motor Volts 60 Hz Watts External Switch Amps/Pole

T104-20 208-277 10000 No 40

WH40 208-277 10000 Yes 40

T104-20

WH40

Water Heater Time Switches

PAGE 1
T104-20 & WH40 Water Heater Time Switches Project: Location: T104-20 & WH40 Product Type: The Mechanical Water Heater Series Time Switches regulate electric water heaters. Daily operation can be set with trippers from 1 to 23 hours. Contact/Phone: Model #: Features • Convenient external override switch (WH40 only) • Includes 3 sets of ON/OFF trippers Ratings Enclosure: Type 1 steel 7 ¾" (19.7 cm) H x 5" (12.7 cm) W x 3" (7.
PAGE 2
T104-20 & WH40 Specification The time switch shall be a 24-Hour dial type, capable of permitting up to 12 ON/OFF operations each day. The time switch shall provide a minimum ON/OFF time of 1 hour. The time switch to be powered by 208-277 VAC, 60 Hz power supply. The time switch motor shall be a synchronous motor, which shall be designed to withstand a minimum of 6000 Volt transients.