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5-2-1 COMPRESSOR SAVER CSRU3 Hard Start Kit - Hard Start Kits
5-2-1 COMPRESSOR SAVERHard Start Kits

5-2-1 COMPRESSOR SAVER CSRU3 Hard Start Kit

<p>The 5-2-1 COMPRESSOR SAVER CSRU3 Hard Start Kit is designed for reciprocating compressors in 4 to 5 ton cooling capacity systems. Operating at 208-240V AC with a capacitance range of 270-324 MFD, this kit provides…

SKU 3G-OTH-67869

Also listed as: CSRU 3 · CSRU-3

Brand
5-2-1 COMPRESSOR SAVER
Item
CSRU3 Hard Start Kit
Part Number
CSRU3
Category
Hard Start Kits
Available to Order
Also known as:CSRU35-2-1 COMPRESSOR SAVER
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Local availability & support — Singapore

Local office
20 Woodlands Link #09-05, Singapore 738733
Phone
+65 8878 8355
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

5-2-1 COMPRESSOR SAVER
Manufacturer Part Number
CSRU3
Type
4 hp to 5 hp, Instant Restart
AC
208 to 240V
MFD
270-324
Control Voltage
208 to 240V AC
For Compressor Type
Reciprocating
For Cooling Capacity Range
4 to 5 ton

Technical Documents

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

Product Description

<p>The 5-2-1 COMPRESSOR SAVER CSRU3 Hard Start Kit is designed for reciprocating compressors in 4 to 5 ton cooling capacity systems. Operating at 208-240V AC with a capacitance range of 270-324 MFD, this kit provides instant restart capability, helping to reduce compressor start-up stress and extend equipment life.</p><p>Ideal for HVAC technicians and maintenance teams, this hard start kit is a reliable solution for hard-starting compressors. As a Singapore-based supplier, 3G Electric offers SGD quotes on request, handles GST for local buyers, and provides fast delivery across Singapore and Southeast Asia.</p>

Frequently Asked Questions

What are the voltage and capacitance specifications of the CSRU3?

The CSRU3 operates on 208-240V AC and has a capacitance range of 270-324 MFD.

Can I get a quote in SGD and fast delivery in Singapore?

Yes, 3G Electric provides SGD quotes on request, handles GST for Singapore buyers, and offers fast delivery across Singapore and Southeast Asia.

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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