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Intermatic Incorporated - CD1-024R - Compressor Defender 120 to 240 VAC, Single Phase, 60 Hz.

Item: CD1-024R
MFR: CD1-024R

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About This Product

Product Info


Power disturbances damage air conditioner compressors without warning. Let the Compressor Defender take the hit so air conditioners are never interrupted. The all-in-one Compressor Defender device protects compressors and circuit boards in residential and light commercial applications from brownouts, surges, and short cycles. The protective device can be installed inside a condensing unit or on an outdoor compressor. It is also compliant with the AHRI standard 110-1012.

Model CD1-024R Compressor Defender Brownout, Surge, And Short Cycle Protection
The Compressor Defender protects HVAC Compressors (Scroll & Reciprocating), and the electronics inside central air conditioners, heat pumps, light commercial packaged rooftop units, and mini-splits from under/overvoltage conditions, surge events, and system short cycling caused from AC power interruptions.Model Overview
  • Surge, brownout, and short cycle protection with 120, 208, and 240 VAC loads.
  • LED indicators provide real-time status updates for quick and easy troubleshooting.
  • For use inside condensing units or externally on disconnects.
  • Complies with ANSI/AHRI Standard 110-2012 Range B2 for voltage drop protection.
  • Auto-sense voltage technology 120-240 VAC universal input voltage.
  • Meets ANSI/UL 1449 3rd edition requirements.
  • Type 3 weatherproof and UV resistant enclosure.
  • State-of-the-art TPMOV® technology.
  • Input Voltage: 120 to 240 VAC, Single Phase 60Hz.
  • Thermostat Relay: Normally Closed Relay, 24 VAC.
  • SPD Type: Type 2 SPD.
  • Control Output Current Rating: 2A @ 24 VAC, isolated N.C. contact.
  • Max Continuous Overvoltage (MCOV): L-N/G: 150V, L-L: 300V.
  • Voltage Protection Rating (VPR): L-N/G: 700, L-L:1200.
  • Nominal Discharge Rating: In (10kA).
  • SCCR (Short Circuit Current Rating): 20kA.
  • Undervoltage Response Time: 3 line cycles
  • Short Cycle Delay: 3 min
  • Operating Temp: -40ºF to 158ºF (-40ºC to 70ºC)
  • Enclosure: Type 3 Outdoor
  • Product Warranty: Limited 3 year
  • Connected Equipment Warranty: 3 year/$7,500
Warning: this product contains a chemical known to the State of California to cause cancer.


Weight1.198 Pounds (lbs)
Width3 Inches (In)
Height8 Inches (In)
Country of OriginMEX
Length5 Inches (In)
Cycle/Hertz60 Hz
Full Load Amps20
Prop 65Yes
Voltage120/240 VAC


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