Specification

www.intermatic.com
Energy Controls
T1900 & T1970 Series
Clock
Motor
NO NC COM CLOCK
125 VAC
Input
NC
Load
NO
Load
Clock
Motor
NO NC COM CLOCK
250 VAC
Input
NC
Load
NO
Load
Line
Line
480 VAC
Input
Line
*120V, 277V
**208V, 240V
Neutral*/Line **
Clock
Motor
NO NC COM CLOCK
125 VAC
Input
NC
Load
NO
Load
Clock
Motor
NO NC COM CLOCK
250 VAC
Input
NC
Load
NO
Load
Line
Line
480 VAC
Input
Line
*120V, 277V
**208V, 240V
Neutral*/Line **
Diagrams
Specifications
The time switch shall be of the 24-Hour type dial and shall include 96 semi-permanently attached trippers. The time
switch shall provide up to 48 ON and 48 OFF periods of 15 minutes each per day. The time switch shall be powered by
a ____________ (125)(208-277)(480) Volt, 60 Hz synchronous motor. The synchronous motor shall be designed to prevent
damage caused by voltage transients up to 6000 volts minimum. The time switch motor shall be connected to the
supply terminals with ring-type connectors and shall not require more than 3 Watts to operate time switch. An omitting
device ____________ (shall)(shall not) be required to enable switching operation to be skipped for any preselected day(s)
of the week. The time switch shall have a snap-in mechanism to allow easy removal from the time switch enclosure. The
enclosure shall be a steel __________ (Type 1)(Type 3R Steel)(Type 3R Plastic) with lockable hasp. The enclosure shall
provide a minimum of 31 cubic inches of wiring space and provide a non-removable cover, which shall open a full 180
degrees. The time switch shall provide clear terminal identicationon a non-curling terminal insulator. The time switch
contacts shall be SPDT and rated at 20 Amps inductive and ________ (
1
⁄2)(1) HP at ______ (125)(208-277)(480) VAC. The
time switch shall be agency listed under Clock Operated Switches and shall be Intermatic model _____________(See
Model Numbers Listed).