Product Category

Hover over picture to Zoom
Click to enlarge



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 1/4 HP to 1/3 HP compressors. Maximum RLA 6.8 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
Locate a Distributor Near You
Mounting: Quick connect
HP rating: 1/4 - 1/3 hp
Voltage (VAC): 115
Maximum Continuous RLA: 6.8A
Capacitance: 243 to 292 MFD
Works on "RSIR", "CSIR", "PSC" and "CSR" compressors
Light commercial refrigeration compressors to 1/3 hp
Domestic refrigerator compressors to 1/3 hp
SDS Product Sheets Cross Reference Information
no entry URCO410_prd_001.pdf
no entry

Manuals Application Sheets Software
no entry no entry no entry

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.