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110 to 125 VAC Solid-state Hardstart Relay, includes relay, overload, and start capacitor. Used on refrigeration systems with or without run capacitors. Rated for 1/12 HP to 1/5 HP compressors. Maximum RLA 4.05 Amps.


  • Designed for modern high efficiency compressors
  • Easy mount clip for quick installation
  • For systems with or without run capacitors
  • Helps older compressors start and run cooler
  • Prevents low voltage starting problems
  • Wire Designations - White/Start, Black/Common, Red/Run
  • WARNING: Prop 65 info
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Mounting: Quick connect
HP rating: 1/12 - 1/5 hp
Voltage (VAC): 115
Maximum Continuous RLA: 4.05A
Capacitance: 145 to 175 MFD
Works on "RSIR", "CSIR", "PSC" and "CSR" compressors
Light commercial refrigeration compressors to 1/5 hp
Domestic refrigerator compressors to 1/5 hp
SDS Product Sheets Cross Reference Information
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Manuals Application Sheets Software
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No Cross Reference Available

No Accessories Available

Do you have a 3-In-1 for 3/4 HP?: No, 1/2 HP is maximum.
Can a 3-In-1 be installed permanently?: Yes.
What size 3 in 1 should I choose?: Sizing is based on the HP rating of the compressor, and the continuous running amperage.