We ship worldwide — Singapore, Australia, Malaysia, Indonesia, Philippines, India, Middle East & more

3G Electric
RFQ CartGet a QuoteSign inSign up
Supco Hard Start Kit: 3 Wire, 243-292 MFD, 115V AC, 1/4 hp to 1/3 hp - Hard Start Kits
SupcoHard Start Kits

Supco Hard Start Kit: 3 Wire, 243-292 MFD, 115V AC, 1/4 hp to 1/3 hp

The Supco Hard Start Kit: 3 Wire (SKU RCO410, MPN RCO410) is a hard start kit for capacitor-start induction-run compressors. It operates at 115V AC and provides 243-292 MFD capacitance, suitable for 1/4 hp to 1/3 hp…

SKU 3G-OTH-67843

Also listed as: RCO 410 · RCO-410

Brand
Supco
Item
Hard Start Kit: 3 Wire, 243-292 MFD, 115V AC, 1/4 hp to 1/3 hp
Category
Hard Start Kits
Available to Order
Trade pricing by quote — replies within 24h
Qty
WhatsApp an engineerMessage via Telegram
No account needed — your quote request goes straight to our engineers. A free account lets you track quotes and re-order faster.
Worldwide Shipping
Air & sea freight
Datasheet on Request
Technical specs
1-Day Quote
Replies within 24h

Local availability & support

Delivery
Worldwide DHL shipping from Singapore; 7–14 business days door-to-door for most destinations.
Payment
Invoicing in USD. Bank transfer (SWIFT) and corporate PO accepted.

Technical Specifications

Supco
Manufacturer Part Number
RCO410
Type
1/4 hp to 1/3 hp, Positive Temp Coefficient Relay
AC
115V
MFD
243-292
Control Voltage
115V AC
For Compressor Type
Capacitor-Start Induction-Run

Technical Documents

No technical documents available for this product.
Request documentation →
Not sure this is the right part? Get a recommendation.

Need installation or engineering help?

Installation, commissioning, maintenance plans, system design, and bundled product + service quotes — one team handles the full scope.
Talk to an engineer

Ask a question

Supco Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The Supco Hard Start Kit: 3 Wire (SKU RCO410, MPN RCO410) is a hard start kit for capacitor-start induction-run compressors. It operates at 115V AC and provides 243-292 MFD capacitance, suitable for 1/4 hp to 1/3 hp motors. This kit includes a Positive Temp Coefficient Relay.

Frequently Asked Questions

What is the Supco RCO410 hard start kit used for?

The Supco RCO410 hard start kit is designed for capacitor-start induction-run compressors in refrigeration and air conditioning systems. It provides a boost of starting torque for 1/4 hp to 1/3 hp motors, helping overcome hard-start conditions caused by low voltage or high head pressure.

What are the specifications of the Supco RCO410 hard start kit?

The Supco RCO410 hard start kit operates at 115V AC and provides 243-292 MFD capacitance. It includes a Positive Temp Coefficient Relay and is suitable for 1/4 hp to 1/3 hp capacitor-start induction-run compressors. The manufacturer part number is RCO410.

Where to buy the Supco RCO410 hard start kit worldwide?

3G Electric supplies the Supco RCO410 hard start kit worldwide. As a global industrial equipment distributor since 1990, we handle full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time.

How to install the Supco RCO410 hard start kit?

To install the Supco RCO410 hard start kit, first disconnect power and discharge the run capacitor. Connect the three wires per the Supco wiring diagram: typically the relay to the common terminal, the start capacitor to the start terminal, and the run capacitor to the run terminal. Always follow local electrical codes.

Used in

Common applications for Supco
Commercial refrigeration display cases — Supco RO82 relay and CSS-25U starter for compressor motor control without run capacitors
Medium-load HVAC systems — Supco SPP 6/SPP 8 hard-start devices to reduce compressor inrush current and extend motor lifespan
Cold-chain pharmaceutical and food storage — SL300TH temperature–humidity data logger for continuous monitoring and regulatory documentation
Refrigerant service operations — Piercing valves and perforator cocks in 1/2" and 5/8" sizes for fast, non-invasive line access
Compressor thermal management — Universal Compressor Door for reducing shell temperature and improving efficiency in hot ambient conditions
Retrofit and field repairs — Supco controls with Quick Connect terminals for rapid installation in legacy refrigeration circuits

Supco Products

3G Electric supplies Supco hard start kits. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

You might also need

Burners & Combustion →Pumps & Compressors →Spare Parts →All Products →

Compatible alternatives & equivalents

Cross-referenced by specification & description
Hard Start Kit: 2 Wire, 43-53 MFD, 90-277V AC, 1/2 hp to 10 hp, Positive Temp Coefficient Relay (MPN SPP5)
Supco
Hard Start Kit: 2 Wire, 43-53 MFD, 90-277V AC, 1/2 hp to 10 hp, Positive Temp Coefficient Relay (MPN SPP5)
Hard Start Kit: 3 Wire, 270-324 MFD, 208 to 277V AC, 4 hp to 5 hp, Mechanical Potential Relay (MPN 3W3)
Supco
Hard Start Kit: 3 Wire, 270-324 MFD, 208 to 277V AC, 4 hp to 5 hp, Mechanical Potential Relay (MPN 3W3)
Hard Start: 2 Wire, 189-227 MFD, 208 to 277V AC, 1 hp to 3 hp, For 1 to 3 ton Cooling Capacity Range (MPN MPR5)
Supco
Hard Start: 2 Wire, 189-227 MFD, 208 to 277V AC, 1 hp to 3 hp, For 1 to 3 ton Cooling Capacity Range (MPN MPR5)
SUPCO Relay Capacitor Overload: Start Capacitor, RCO220
Supco
SUPCO Relay Capacitor Overload: Start Capacitor, RCO220

More from Supco

View all Supco parts →
Hard Start Kit: 2 Wire, 130-156 MFD, 90-277V AC, 1 1/2 hp to 10 hp, Positive Temp Coefficient Relay (MPN SPP7S)
Supco
Hard Start Kit: 2 Wire, 130-156 MFD, 90-277V AC, 1 1/2 hp to 10 hp, Positive Temp Coefficient Relay (MPN SPP7S)
Hard Start Kit: 3 Wire, 88-108 MFD, 208 to 277V AC, 1 hp to 3 hp, Mechanical Potential Relay (MPN 3W1)
Supco
Hard Start Kit: 3 Wire, 88-108 MFD, 208 to 277V AC, 1 hp to 3 hp, Mechanical Potential Relay (MPN 3W1)
Hard Start Kit: 3 Wire, 145-175 MFD, 115V AC, 1/12 hp to 1/5 hp, Positive Temp Coefficient Relay (MPN RCO810)
Supco
Hard Start Kit: 3 Wire, 145-175 MFD, 115V AC, 1/12 hp to 1/5 hp, Positive Temp Coefficient Relay (MPN RCO810)
Hard Start Kit: 2 Wire, 130-156 MFD, 90-277V AC, 1/2 hp to 10 hp, Positive Temp Coefficient Relay (MPN SPP6)
Supco
Hard Start Kit: 2 Wire, 130-156 MFD, 90-277V AC, 1/2 hp to 10 hp, Positive Temp Coefficient Relay (MPN SPP6)
Hard Start Kit: 3 Wire, 189-227 MFD, 208 to 277V AC, 3 1/2 hp to 5 hp, Mechanical Potential Relay (MPN 3W2)
Supco
Hard Start Kit: 3 Wire, 189-227 MFD, 208 to 277V AC, 3 1/2 hp to 5 hp, Mechanical Potential Relay (MPN 3W2)
Hard Start: 5 Wire, 243-292 MFD, 115V AC, 1/3 hp to 1/2 hp, Mechanical Potential Relay (MPN RCO210)
Supco
Hard Start: 5 Wire, 243-292 MFD, 115V AC, 1/3 hp to 1/2 hp, Mechanical Potential Relay (MPN RCO210)
Hard Start: 2 Wire, 270-324 MFD, 208 to 277V AC, 3 1/2 hp to 5 hp, Mechanical Potential Relay (MPN MPR1)
Supco
Hard Start: 2 Wire, 270-324 MFD, 208 to 277V AC, 3 1/2 hp to 5 hp, Mechanical Potential Relay (MPN MPR1)
Hard Start: 2 Wire, 88-108 MFD, 208 to 277V AC, 1/2 hp to 3 hp, Electronic Potential Relay (MPN SPP6E)
Supco
Hard Start: 2 Wire, 88-108 MFD, 208 to 277V AC, 1/2 hp to 3 hp, Electronic Potential Relay (MPN SPP6E)