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5-2-1 COMPRESSOR SAVER CSRU2 Hard Start Kit - Hard Start Kits
5-2-1 COMPRESSOR SAVERHard Start Kits

5-2-1 COMPRESSOR SAVER CSRU2 Hard Start Kit

The 5-2-1 COMPRESSOR SAVER is a 3 Wire hard start kit for reciprocating compressors. It operates at 208 to 240V AC with a capacitance range of 189-227 MFD and supports cooling capacities from 3-1/2 to 5 ton. This kit…

SKU 3G-OTH-67814

Also listed as: CSRU 2 · CSRU-2

Brand
5-2-1 COMPRESSOR SAVER
Item
CSRU2 Hard Start Kit
Part Number
CSRU2
Category
Hard Start Kits
Available to Order
Also known as:CSRU25-2-1 COMPRESSOR SAVER
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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

5-2-1 COMPRESSOR SAVER
Manufacturer Part Number
CSRU2
Type
3 1/2 hp to 5 hp, Instant Restart
AC
208 to 240V
MFD
189-227
Control Voltage
208 to 240V AC
For Compressor Type
Reciprocating
For Cooling Capacity Range
3-1/2 to 5 ton

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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 for reciprocating compressors. It operates at 208 to 240V AC with a capacitance range of 189-227 MFD and supports cooling capacities from 3-1/2 to 5 ton. This kit provides instant restart capability and is identified by manufacturer part number CSRU2.

Frequently Asked Questions

What is the 5-2-1 Compressor Saver CSRU2 used for?

The 5-2-1 Compressor Saver CSRU2 is a hard start kit designed for reciprocating compressors in HVAC systems. It provides instant restart capability for 3-1/2 to 5 ton cooling capacity units operating at 208 to 240V AC, helping reduce compressor wear during startup.

What are the specifications of the 5-2-1 Compressor Saver CSRU2?

The CSRU2 is a 3-wire hard start kit with a capacitance range of 189-227 MFD and control voltage of 208 to 240V AC. It supports reciprocating compressors from 3-1/2 hp to 5 hp and cooling capacities from 3-1/2 to 5 ton. The brand is 5-2-1 Compressor Saver.

Where to buy the 5-2-1 Compressor Saver CSRU2 worldwide?

3G Electric supplies the 5-2-1 Compressor Saver CSRU2 to customers worldwide. As a global industrial solutions provider, we handle full logistics and customs clearance for international orders. Contact us to source this hard start kit for your reciprocating compressor application.

How to install the 5-2-1 Compressor Saver CSRU2?

Installation of the CSRU2 hard start kit should follow the manufacturer's instructions and local electrical codes. Typically, it involves connecting the three wires to the compressor's run capacitor and start terminal. Always disconnect power before installation and verify voltage compatibility (208 to 240V AC).

Used in

Common applications for 5-2-1 COMPRESSOR SAVER
Residential air conditioning — 5-2-1 COMPRESSOR SAVER CSRU1 hard start kit for 1-3 ton reciprocating compressors
Light commercial HVAC — 5-2-1 COMPRESSOR SAVER CSRU2 hard start kit for 3.5-5 ton reciprocating compressors
Heat pump systems — 5-2-1 COMPRESSOR SAVER CSRU3 hard start kit for 4-5 ton reciprocating compressors
HVAC surge protection — 5-2-1 COMPRESSOR SAVER TPSPD external-mount SPD for single-phase 120/240V AC equipment
Refrigeration compressor startup — 5-2-1 COMPRESSOR SAVER CSRU series for reducing start-up stress in reciprocating compressors
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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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