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Supco Hard Start: 2 Wire, 189-227 MFD, 208 to 277V AC, 1 hp to 3 hp - Hard Start Kits
SupcoHard Start Kits

Supco Hard Start: 2 Wire, 189-227 MFD, 208 to 277V AC, 1 hp to 3 hp

The Supco Hard Start: 2 Wire is a hard start kit designed for scroll compressors with a cooling capacity range of 1 to 3 tons. It operates at a control voltage of 208 to 277V AC and is compatible with 1 hp to 3 hp…

SKU 3G-OTH-67825

Also listed as: MPR 5 · MPR-5

Brand
Supco
Item
Hard Start: 2 Wire, 189-227 MFD, 208 to 277V AC, 1 hp to 3 hp
Category
Hard Start Kits
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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
MPR5
Type
1 hp to 3 hp, For 1 to 3 ton Cooling Capacity Range
AC
208 to 277V
MFD
189-227
Control Voltage
208 to 277V AC
For Compressor Type
Scroll
For Cooling Capacity Range
1 to 3 ton

Technical Documents

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

Product Description

The Supco Hard Start: 2 Wire is a hard start kit designed for scroll compressors with a cooling capacity range of 1 to 3 tons. It operates at a control voltage of 208 to 277V AC and is compatible with 1 hp to 3 hp compressors. The kit features a capacitance range of 189-227 MFD and is identified by manufacturer part number MPR5.

Frequently Asked Questions

What is the Supco MPR5 hard start kit used for?

The Supco MPR5 hard start kit is used to provide additional starting torque for scroll compressors in residential and light commercial HVAC systems. It is designed for compressors with a cooling capacity of 1 to 3 tons and a power range of 1 hp to 3 hp, operating at 208 to 277V AC.

What are the specifications of the Supco MPR5 hard start kit?

The Supco MPR5 is a 2-wire hard start kit with a capacitance range of 189-227 MFD. It is designed for scroll compressors with a cooling capacity of 1 to 3 tons and a control voltage of 208 to 277V AC. The kit is compatible with 1 hp to 3 hp compressors and carries the manufacturer part number MPR5.

Where to buy the Supco MPR5 hard start kit worldwide?

The Supco MPR5 hard start kit is available to order through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide destinations. Contact 3G Electric for availability and lead time.

How to install the Supco MPR5 hard start kit?

To install the Supco MPR5 hard start kit, first disconnect power to the compressor. Connect the two wires in series with the compressor run capacitor. Ensure the kit is used only with scroll compressors within the specified 1 to 3 ton capacity and 208 to 277V AC range. Follow standard HVAC safety procedures.

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.

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Compatible alternatives & equivalents

Cross-referenced by specification & description
Hard Start Kit: 3 Wire, 270-324 MFD, 208 to 277V AC, 4 hp to 5 hp, Mechanical Potential Relay (MPN 3W3)
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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, 88-108 MFD, 208 to 277V AC, 1/2 hp to 3 hp, Electronic Potential Relay (MPN SPP6E)
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Hard Start: 2 Wire, 88-108 MFD, 208 to 277V AC, 1/2 hp to 3 hp, Electronic Potential Relay (MPN SPP6E)
Hard Start Kit: 2 Wire, 43-53 MFD, 90-277V AC, 1/2 hp to 10 hp, Positive Temp Coefficient Relay (MPN SPP5)
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Hard Start Kit: 2 Wire, 43-53 MFD, 90-277V AC, 1/2 hp to 10 hp, Positive Temp Coefficient Relay (MPN SPP5)
Compressor Saver: 3 Wire, 88-108 MFD, 208 to 240V AC, 4 hp to 5 hp, Instant Restart (MPN CSRU1)
5-2-1 COMPRESSOR SAVER
Compressor Saver: 3 Wire, 88-108 MFD, 208 to 240V AC, 4 hp to 5 hp, Instant Restart (MPN CSRU1)

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