Paragon
Paragon 8145-00 Defrost Timer 120V 40A SPDT
Controls defrost cycles from 4 to 110 minutes on 120V 40A SPDT circuits
- 120 V AC operation suits standard mains supply
- 40 A SPDT contacts handle heavy compressor loads
- 1 to 6 defrost cycles per day programmable
- 4 to 110 minute defrost duration in 2 min steps
- Steel enclosure protects timer in harsh environments
Defrost timer for commercial refrigeration
The Paragon 8145-00 is a defrost control timer built for walk-in coolers and freezers that run on 120V AC power. It manages automatic defrost cycles so evaporator coils stay clear of ice without manual intervention.
SPDT contacts and adjustable cycle range
A single-pole double-throw switch rated at 40 A handles the defrost heater or contactor directly. The timer allows one to six cycles per day with a minimum four-hour gap between cycles, and defrost duration adjusts from 4 to 110 minutes in two-minute steps.
Steel enclosure with temperature or pressure
The carbon-steel housing protects the mechanism in damp, cold environments. Termination can be triggered by temperature or pressure sensors, giving installers flexibility to match the existing control strategy.
Highlights
- 120 V AC operation suits standard mains supply
- 40 A SPDT contacts handle heavy compressor loads
- 1 to 6 defrost cycles per day programmable
- 4 to 110 minute defrost duration in 2 min steps
- Steel enclosure protects timer in harsh environments
Specifications
| Brand | PARAGON |
|---|
Questions about this item
How often will the timer contacts need replacement at the 40 A rating?
The SPDT contacts are rated for 40 A at 120 V AC; contact life depends on load type and switching frequency, so plan inspection after heavy inductive use.
What limits continuous operation before the timer misses a cycle?
The mechanism enforces a minimum 4‑hour gap between defrost starts and allows only 1 to 6 cycles per day, so sustained demand beyond that schedule is the first limit.
How much heat does the steel enclosure dissipate when the timer runs all day?
The steel housing passesively dissipates the timer's own coil heat; no forced cooling is needed and surface temperature stays low during normal 120 V operation.
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