Electronic Supply by Industrial Electronics in Milwaukee Wisconsin : Potter Brumfield, Radio Shack Stores in Milwaukee: Solid State

Solid State
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Staff  on 16/09/2009 03:24:00

The TH3AC are Anti-Short-Cycle timers with solid state output for compressor
protection. An optional “Delay On Make” function is offered for sequencing
or prevention of contactor chatter. Simple 3 terminal connection and
encapsulated 2" x 2" package. Anti-short-cycle timers prevent premature cycling
of compressors in refrigeration, air conditioning and heat pumps, there by
reducing nuisance tripping of fuse or circuit breaker.

TH3AC Timers - CUBE SOLID STATE 1 AMP
Timing Mode
When power is applied (i.e. thermostat closes), the load energizes. Removal of
power begins the “lockout” and the time delay begins (i.e. locking out the
compressor). The load is energized after the time delay expires.
Delay On Make option delays the initial load output for up to 5 minutes.
Features
*1 Amp current load 	*10 Amps single AC cycle surge handling 	*3 Operating
voltages 24/120/230 VAC 	*Factory-fixed or potentiometer adjustable 	*Totally
encapsulated for protection from harsh environments 	*Optional Delay On Make
	*24 VAC unit has anticipator resistor bypass 	*Single screw mounting through
center hole 	*Industry-standard three-terminal (0.25") quick connects 	*100%
Operational testing before shipping 	*RoHS compliance available
Basic Wiring and Dimensions  Specifications
*Input Voltage VAC
24 (±20%) 50/60Hz   VAC: 120/230, 50/60Hz
*Anticipator Resistor
(24VAC only) 200 Ohms minimum
*Time Delay
Up to 10 minutes
*Lockout Time
Factory-fixed or variable with knob on timer
*Tolerance
+35% -15% of nominal time
*Initiate Time
16 milliseconds
*Life Expectancy
No predictable failure if used within operating parameters
*Protection
Transient Protection: 18 joules  Dielectric Strength: 1800 RMS 60Hz
*Temperature Ranges
Storage: -40°C to +85°C
Operating: -25°C to +65°C  Humidity: 95% relative
*Physical Data
Surface mount with single #8 or #10 screw
*Connection & Termination
0.25" quick connects
*Solid State Product Page
Data Sheet: