We ship to the Philippines — door-to-door, customs and logistics handled by 3G Electric

3G Electric
⌕
RFQ CartGet a QuoteSign inSign up
5-2-1 COMPRESSOR SAVER Compressor Saver: 3 Wire, 270-324 MFD, 208 to 240V AC, 4 hp to 5 hp - Hard Start Kits
5-2-1 COMPRESSOR SAVERHard Start Kits

5-2-1 COMPRESSOR SAVER Compressor Saver: 3 Wire, 270-324 MFD, 208 to 240V AC, 4 hp to 5 hp

The 5-2-1 COMPRESSOR SAVER CSRU3 is a 3-wire hard start kit designed for reciprocating compressors with a cooling capacity range of 4 to 5 tons. It operates at a control voltage of 208 to 240V AC and features a…

SKU 3G-OTH-67869

Brand
5-2-1 COMPRESSOR SAVER
Item
Compressor Saver: 3 Wire, 270-324 MFD, 208 to 240V AC, 4 hp to 5 hp
Category
Hard Start Kits
Available to Order
Trade pricing by quote — replies within 24h
Qty
WhatsApp an engineer
No account needed — your quote request goes straight to our engineers. A free account lets you track quotes and re-order faster.
Worldwide Shipping
Air & sea freight
Datasheet on Request
Technical specs
1-Day Quote
Replies within 24h

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
View Full Spec Sheet

Technical Documents

No technical documents available for this product.
Request documentation →
Not sure this is the right part? Get a recommendation.

Need installation or engineering help?

Installation, commissioning, maintenance plans, system design, and bundled product + service quotes — one team handles the full scope.
Talk to an engineer

Ask a question

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

Product Description

The 5-2-1 COMPRESSOR SAVER CSRU3 is a 3-wire hard start kit designed for reciprocating compressors with a cooling capacity range of 4 to 5 tons. It operates at a control voltage of 208 to 240V AC and features a capacitance of 270-324 MFD, supporting 4 hp to 5 hp motors with instant restart capability.

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

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.

You might also need

Burners & Combustion →Pumps & Compressors →Spare Parts →All Products →

Similar products

Matched 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). Key specifications — For Compressor Type: Reciprocating; Manufacturer Part Number: 3W3; Brand: SUPCO; For Cooling Capacity Range: 4 to 5 ton; Control Voltage: 208 to 277V AC.
Supco
Hard Start Kit: 3 Wire, 270-324 MFD, 208 to 277V AC, 4 hp to 5 hp, Mechanical Potential Relay (MPN 3W3). Key specifications — For Compressor Type: Reciprocating; Manufacturer Part Number: 3W3; Brand: SUPCO; For Cooling Capacity Range: 4 to 5 ton; Control Voltage: 208 to 277V AC.
Hard Start Kit: 3 Wire, 189-227 MFD, 208 to 277V AC, 3 1/2 hp to 5 hp, Mechanical Potential Relay (MPN 3W2). Key specifications — For Compressor Type: Scroll; Manufacturer Part Number: 3W2; Brand: SUPCO; For Cooling Capacity Range: 3-1/2 to 5 ton; Control Voltage: 208 to 277V AC.
Supco
Hard Start Kit: 3 Wire, 189-227 MFD, 208 to 277V AC, 3 1/2 hp to 5 hp, Mechanical Potential Relay (MPN 3W2). Key specifications — For Compressor Type: Scroll; Manufacturer Part Number: 3W2; Brand: SUPCO; For Cooling Capacity Range: 3-1/2 to 5 ton; Control Voltage: 208 to 277V AC.
Hard Start Kit: 2 Wire, 43-53 MFD, 90-277V AC, 1/2 hp to 10 hp, Positive Temp Coefficient Relay (MPN SPP5). Key specifications — For Compressor Type: Reciprocating; Manufacturer Part Number: SPP5; Brand: SUPCO; For Cooling Capacity Range: 1/2 to 5 ton; Control Voltage: 90-277V AC.
Supco
Hard Start Kit: 2 Wire, 43-53 MFD, 90-277V AC, 1/2 hp to 10 hp, Positive Temp Coefficient Relay (MPN SPP5). Key specifications — For Compressor Type: Reciprocating; Manufacturer Part Number: SPP5; Brand: SUPCO; For Cooling Capacity Range: 1/2 to 5 ton; Control Voltage: 90-277V AC.
Hard Start Kit: 3 Wire, 88-108 MFD, 208 to 277V AC, 1 hp to 3 hp, Mechanical Potential Relay (MPN 3W1). Key specifications — For Compressor Type: Scroll; Manufacturer Part Number: 3W1; Brand: SUPCO; For Cooling Capacity Range: 1 to 3 ton; Control Voltage: 208 to 277V AC.
Supco
Hard Start Kit: 3 Wire, 88-108 MFD, 208 to 277V AC, 1 hp to 3 hp, Mechanical Potential Relay (MPN 3W1). Key specifications — For Compressor Type: Scroll; Manufacturer Part Number: 3W1; Brand: SUPCO; For Cooling Capacity Range: 1 to 3 ton; Control Voltage: 208 to 277V AC.
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). Key specifications — For Compressor Type: Scroll; Manufacturer Part Number: MPR5; Brand: SUPCO; For Cooling Capacity Range: 1 to 3 ton; Control Voltage: 208 to 277V AC.
Supco
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). Key specifications — For Compressor Type: Scroll; Manufacturer Part Number: MPR5; Brand: SUPCO; For Cooling Capacity Range: 1 to 3 ton; Control Voltage: 208 to 277V AC.
Hard Start: 2 Wire, 270-324 MFD, 208 to 277V AC, 3 1/2 hp to 5 hp, Mechanical Potential Relay (MPN MPR1). Key specifications — For Compressor Type: Scroll; Manufacturer Part Number: MPR1; Brand: SUPCO; For Cooling Capacity Range: 3-1/2 to 5 ton; Control Voltage: 208 to 277V AC.
Supco
Hard Start: 2 Wire, 270-324 MFD, 208 to 277V AC, 3 1/2 hp to 5 hp, Mechanical Potential Relay (MPN MPR1). Key specifications — For Compressor Type: Scroll; Manufacturer Part Number: MPR1; Brand: SUPCO; For Cooling Capacity Range: 3-1/2 to 5 ton; Control Voltage: 208 to 277V AC.

More from 5-2-1 COMPRESSOR SAVER

View all 5-2-1 COMPRESSOR SAVER parts →
Compressor Saver: 3 Wire, 189-227 MFD, 208 to 240V AC, 3 1/2 hp to 5 hp, Instant Restart (MPN CSRU2). Key specifications — For Compressor Type: Reciprocating; Manufacturer Part Number: CSRU2; Brand: 5-2-1 COMPRESSOR SAVER; For Cooling Capacity Range: 3-1/2 to 5 ton; Control Voltage: 208 to 240V AC.
5-2-1 COMPRESSOR SAVER
Compressor Saver: 3 Wire, 189-227 MFD, 208 to 240V AC, 3 1/2 hp to 5 hp, Instant Restart (MPN CSRU2). Key specifications — For Compressor Type: Reciprocating; Manufacturer Part Number: CSRU2; Brand: 5-2-1 COMPRESSOR SAVER; For Cooling Capacity Range: 3-1/2 to 5 ton; Control Voltage: 208 to 240V AC.
Compressor Saver: 3 Wire, 88-108 MFD, 208 to 240V AC, 4 hp to 5 hp, Instant Restart (MPN CSRU1). Key specifications — For Compressor Type: Reciprocating; Manufacturer Part Number: CSRU1; Brand: 5-2-1 COMPRESSOR SAVER; For Cooling Capacity Range: 1 to 3 ton; Control Voltage: 208 to 240V AC.
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). Key specifications — For Compressor Type: Reciprocating; Manufacturer Part Number: CSRU1; Brand: 5-2-1 COMPRESSOR SAVER; For Cooling Capacity Range: 1 to 3 ton; Control Voltage: 208 to 240V AC.