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5-2-1 COMPRESSOR SAVER CSRU1 Hard Start Kit - Hard Start Kits
5-2-1 COMPRESSOR SAVERHard Start Kits

5-2-1 COMPRESSOR SAVER CSRU1 Hard Start Kit

The 5-2-1 COMPRESSOR SAVER is a 3 Wire hard start kit designed for reciprocating compressors. It operates at 208 to 240V AC and supports cooling capacities from 1 to 3 ton. The kit provides 88-108 MFD capacitance and…

SKU 3G-OTH-67733

Also listed as: CSRU 1 · CSRU-1

Brand
5-2-1 COMPRESSOR SAVER
Item
CSRU1 Hard Start Kit
Part Number
CSRU1
Category
Hard Start Kits
Available to Order
Also known as:CSRU15-2-1 COMPRESSOR SAVER
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Local availability & support — Singapore

Local office
20 Woodlands Link #09-05, Singapore 738733
Phone
+65 8878 8355
Payment
Invoicing in SGD. PayNow, bank transfer, and corporate PO accepted.

Technical Specifications

5-2-1 COMPRESSOR SAVER
Manufacturer Part Number
CSRU1
Type
4 hp to 5 hp, Instant Restart
AC
208 to 240V
MFD
88-108
Control Voltage
208 to 240V AC
For Compressor Type
Reciprocating
For Cooling Capacity Range
1 to 3 ton

Technical Documents

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5-2-1 COMPRESSOR SAVER Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The 5-2-1 COMPRESSOR SAVER is a 3 Wire hard start kit designed for reciprocating compressors. It operates at 208 to 240V AC and supports cooling capacities from 1 to 3 ton. The kit provides 88-108 MFD capacitance and instant restart capability, suitable for 4 hp to 5 hp compressors (MPN CSRU1).

Frequently Asked Questions

What is the 5-2-1 Compressor Saver CSRU1 used for?

The 5-2-1 Compressor Saver CSRU1 is a hard start kit used to provide extra starting torque for reciprocating compressors in HVAC systems. It is designed for 4 hp to 5 hp compressors with cooling capacities from 1 to 3 ton, helping prevent hard starting and short cycling.

What are the specifications of the 5-2-1 Compressor Saver CSRU1?

The 5-2-1 Compressor Saver CSRU1 is a 3-wire hard start kit with 88-108 MFD capacitance. It operates at 208 to 240V AC control voltage and supports reciprocating compressors from 4 hp to 5 hp. The kit provides instant restart capability for 1 to 3 ton cooling systems.

Where to buy the 5-2-1 Compressor Saver CSRU1 worldwide?

You can source the 5-2-1 Compressor Saver CSRU1 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 on this hard start kit.

How to install the 5-2-1 Compressor Saver CSRU1?

Install the 5-2-1 Compressor Saver CSRU1 by connecting the three wires to the compressor terminals: common, start, and run. Ensure power is off before installation. Follow the manufacturer's wiring diagram for your specific reciprocating compressor model. Always discharge the capacitor before handling.

Used in

Common applications for 5-2-1 COMPRESSOR SAVER
Residential HVAC service — 5-2-1 COMPRESSOR SAVER 88–108 MFD hard start kit (SKU 32ZN44) for 1–3 ton reciprocating compressors
Light commercial rooftop units — 5-2-1 COMPRESSOR SAVER 189–227 MFD hard start kit (SKU 32ZN45) for 3-1/2 to 5 ton compressors
HVAC maintenance programs — 5-2-1 COMPRESSOR SAVER 270–324 MFD hard start kit (SKU 32ZN46) for 4–5 ton reciprocating compressors
Single-phase HVAC equipment protection — 5-2-1 COMPRESSOR SAVER external-mount SPD (TPSPD) at 120/240 V AC
Compressor retrofit and replacement — 5-2-1 COMPRESSOR SAVER three-wire hard start kits for 208–240 V AC systems
Aftermarket parts procurement — 5-2-1 COMPRESSOR SAVER hard start kits and SPDs sourced through 3G Electric for global delivery
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5-2-1 COMPRESSOR SAVER Products

3G Electric supplies 5-2-1 COMPRESSOR SAVER 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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