Time Delay Break, Supco Compressor Protector TD73

⏱️ Supco Delay‑on‑Break Timer | TD73 | Adjustable 6 Seconds to 5 Minutes

Brand new Supco TD73 Delay‑on‑Break Timer (DOB). This adjustable time‑delay module prevents rapid compressor short‑cycling by delaying restart after the thermostat opens or during power interruption. Designed for HVAC and refrigeration systems requiring controlled compressor restart timing.

Features 1/4" male quick‑connect terminals and a jumper wire that can be cut for 110V or 250V operation. Supco stock number TD73.

Specifications

• Adjustable Delay Range: 6 seconds to 5 minutes
• Fixed Delay Options: 3 or 5 minutes
• Voltage: 19 to 250 VAC, 50/60 Hz
• Terminals: 1/4" male quick‑connect
• Voltage Selection: Cut jumper wire for 110/250V use
• Timer Type: Delay on Break (DOB)

⚙️ Operation Description

Upon application of power, the compressor energizes immediately. When the thermostat opens or power is interrupted, the delay period begins. The compressor contactor will not restart until the selected delay time has elapsed.

What This Part Fixes

• Short‑cycling compressors
• Premature compressor restart
• System overload due to rapid cycling
• Compressor protection issues

Installation Notes

• Mount securely near compressor control circuit
• Use 1/4" quick‑connect terminals
• Cut jumper wire if operating at 110/250V
• Verify delay setting before powering system

Replaces Part Numbers

EAC426
ASC‑500‑ADB1
ICM203
32392
TD73

Compatible Models

Universal — fits HVAC and refrigeration systems requiring a delay‑on‑break timer within the listed voltage and timing range.

Protect your compressor and prevent short‑cycling with this OEM‑compatible Supco TD73 Delay‑on‑Break Timer.