Supco RCO210 Solid-State Hard Start Relay, Overload & Start Capacitor 1/3-1/2 HP, 13.3A RLA (115V)

The Supco RCO210 Solid-State Hard Start Relay, Overload & Start Capacitor 1/3-1/2 HP, 13.3A RLA (115V) is a Supco capacitor for HVAC repair and replacement work. Use it when the part number RCO210 and the listed specifications match the equipment being serviced.

110 to 125VAC Solid-state Hardstart Relay, includes relay, overload, and start capacitor. Used refrigeration systems with or without run capacitors. Rated for 1/3 HP to 1/2 HP compressors. Maximum RLA 13.3 Amps. Product Features • Prevents low voltage starting problems • Replaces relay, overload and provides a boost for hard start and unbalanced systems • UL® Recognized • Capacitance: 243 to 292 MFD • Maximum Continuous RLA: 13.3A • Voltage: 115v • HP Rating: 1/3-1/2 HP • Mounting: Quick Connect

Key Specs

• Type: Relay
• Voltage: 115V
• Horse Power: 1/3-1/2
• Product Type: Capacitor

Expert Verdict

Reviewed by the SuperArbor Pro Desk: choose this part when the existing component label and unit documentation match RCO210 and the spec set above. It is best suited for targeted HVAC service repairs where exact fitment matters more than broad universal compatibility.

FAQs

What is the Supco RCO210 used for?

It is a capacitor for compatible Supco HVAC equipment. Match the part number RCO210 and the equipment service literature before ordering or installing.

Which specs should I verify before purchase?

Verify the spec set shown for this part: Type: Relay; Voltage: 115V; Horse Power: 1/3-1/2; Product Type: Capacitor. The replacement should match the existing component and the unit documentation.

Does the electrical rating need to match exactly?

Yes. Confirm voltage rating 115V against the failed component label. Do not substitute a different rating unless the equipment manufacturer allows it.

Is this an OEM-style replacement part?

Use it as a direct replacement only when Supco documentation lists RCO210 or an approved equivalent for the unit being serviced.

Who should install this HVAC component?

A qualified HVAC technician should install and test the capacitor. Disconnect power first, follow lockout procedures, and confirm safe operation after replacement.

Safety and Installation Notes

Disconnect power before service. HVAC electrical and combustion-related components should be installed and tested by a qualified technician. After installation, confirm wiring, mounting, airflow or fluid routing as applicable, and normal system operation.