3 Series
3-wire mechanical potential relay hard start
The 3 Series Hard Starts provide the service professional with an OEM option when the application calls
for a hard start. Combining a potential relay and start capacitor the 3 Series provides
a true 3-Wire solution.
Features/Benefits
• Voltage Sensing
• Instant Re-start
• 35 Amp Relay Contacts
• 208/ 240 Volts
• Includes EZ Snap Bracket
for quick installation
Applications
• All 208/ 240 V Single Phase Compressors
• Scroll compressors
• Reciprocating compressors
• Can be used with Single or Dual Run Capacitors
PART NO. APPLICATION CAPACITOR SIZE REPLACES
3W1 1 – 3 hp 88 – 108 μF; 330V CSRU1
3W2 3.5 – 4.5 hp 189 – 227 μF; 330V CSRU2
3W3 4 – 5 hp 270 – 324 μF; 330V CSRU3
