Brochure

SPECIFICATIONS
Electrical Ratings:
Pilot Duty Pole ..................... 3 VA at 24 VAC (Minimum)
25 V at 24 VAC (Maximum)
Input Voltage....................... 24 VAC nominal
Total Power Consumption............. 0.5 VA (relay de-energized)
4.0 VA (relay energized)
57T01-843 BLOWER TIME DELAY RELAY
The 57T01-843 Time Delay Relay is for use in air handlers installed in
compressor-run air conditioning and heat pump systems to delay the
blower shut-off after the compressor has shut off. Replaces Trane part
numbers D155079P01 and RLY 2807.
FEATURES
•Allowsresidualcooledairtobeblownintothecontrolledspace,increasingthe
 efciencyofthesystemincooling.
•Dependingonelectricalhookupinaheatpumpsystem,delayofblowershut-off
could also occur in heating.
57T01-843 BLOWER
TIME DELAY RELAY
Model Number
Contact Ratings:
Power Pole (Amperes per pole)-
57T01-843
208/240/277 VAC
Full Load 7
LockedRotor 36
Resistive 15
U.L. Approved Horsepower
3
/
4
HP
57T01-843
www.white-rodgers.com
80
COOLING /
REFRIGERATION