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Supco Hard Start Kit: 2 Wire, 130-156 MFD, 90-277V AC, 1/2 hp to 10 hp - Hard Start Kits
SupcoHard Start Kits

Supco Hard Start Kit: 2 Wire, 130-156 MFD, 90-277V AC, 1/2 hp to 10 hp

The Supco Hard Start Kit: 2 Wire (SKU 3G-OTH-67766, MPN SPP6) is a hard start kit designed for Permanent Split Capacitor compressors. It operates with a control voltage of 90-277V AC and is rated for cooling…

SKU 3G-OTH-67766

Also listed as: SPP 6 · SPP-6

Brand
Supco
Item
Hard Start Kit: 2 Wire, 130-156 MFD, 90-277V AC, 1/2 hp to 10 hp
Category
Hard Start Kits
Available to Order
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Local availability & support — Singapore

Local office
20 Woodlands Link #09-05, Singapore 738733
Phone
+65 8878 8355
Delivery
Same-day or next-business-day delivery within Singapore for in-stock items; 7–14 days for factory-order parts from Europe.
Payment
Invoicing in SGD. PayNow, bank transfer, and corporate PO accepted.
Ships to
Singapore

Technical Specifications

Supco
Manufacturer Part Number
SPP6
Type
1/2 hp to 10 hp, Positive Temp Coefficient Relay
AC
90-277V
MFD
130-156
Control Voltage
90-277V AC
For Compressor Type
Permanent Split Capacitor
For Cooling Capacity Range
1/2 to 5 ton

Technical Documents

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

Product Description

The Supco Hard Start Kit: 2 Wire (SKU 3G-OTH-67766, MPN SPP6) is a hard start kit designed for Permanent Split Capacitor compressors. It operates with a control voltage of 90-277V AC and is rated for cooling capacities from 1/2 to 5 ton. The kit includes a Positive Temp Coefficient Relay and provides 130-156 MFD, supporting compressor sizes from 1/2 hp to 10 hp.

Frequently Asked Questions

What is the Supco SPP6 hard start kit used for?

The Supco SPP6 hard start kit is used to provide extra starting torque for Permanent Split Capacitor (PSC) compressors in air conditioning and refrigeration systems. It supports cooling capacities from 1/2 to 5 ton and compressor sizes from 1/2 hp to 10 hp, helping prevent hard-start failures.

What are the specifications of the Supco SPP6 hard start kit?

The Supco SPP6 hard start kit operates at 90-277V AC, provides 130-156 MFD, and includes a Positive Temp Coefficient Relay. It is designed for PSC compressors with cooling capacities from 1/2 to 5 ton and supports compressor sizes from 1/2 hp to 10 hp. The manufacturer part number is SPP6.

Where to buy the Supco SPP6 hard start kit worldwide?

You can source the Supco SPP6 hard start kit through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide destinations. Contact us for availability and lead time; we supply genuine Supco components for HVAC applications.

How to install the Supco SPP6 hard start kit?

To install the Supco SPP6 hard start kit, first disconnect power to the compressor. Connect the two wires in series with the compressor's run capacitor or start winding, following the wiring diagram provided. Ensure the Positive Temp Coefficient Relay is properly seated. Always follow standard HVAC safety practices and consult a qualified technician.

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
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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)
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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)
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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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