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EATON Magnetic Contactor: Reversing, 3 Poles, NEMA Size 5, 270 A - Reversing NEMA Contactors
EATONReversing NEMA Contactors

EATON Magnetic Contactor: Reversing, 3 Poles, NEMA Size 5, 270 A

EATON Reversing NEMA Contactors.

SKU 3G-OTH-42376

Brand
EATON
Item
Magnetic Contactor: Reversing, 3 Poles, NEMA Size 5, 270 A
Category
Reversing NEMA Contactors
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Worldwide DHL shipping from Singapore; 7–14 business days door-to-door for most destinations.
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Invoicing in USD. Bank transfer (SWIFT) and corporate PO accepted.

Technical Specifications

EATON
Manufacturer Part Number
CN55SN3A

Technical Documents

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

Product Description

EATON Reversing NEMA Contactors.

Frequently Asked Questions

What is the EATON CN55SN3A reversing magnetic contactor used for?

The EATON CN55SN3A is a reversing NEMA magnetic contactor used to control the forward and reverse rotation of three-phase AC motors in industrial applications such as conveyors, hoists, and pumps. It is rated NEMA Size 5, 270 A, 120V AC coil, and is suitable for heavy-duty motor starting and switching.

What are the specifications of the EATON CN55SN3A contactor?

The EATON CN55SN3A is a reversing NEMA magnetic contactor with 3 poles, NEMA Size 5, and a continuous current rating of 270 A. The coil voltage is 120V AC. It is designed for reversing motor control and is manufactured by EATON under part number CN55SN3A.

Where to buy the EATON CN55SN3A contactor worldwide?

You can source the EATON CN55SN3A reversing contactor 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 EATON components for industrial motor control applications.

How to select the correct EATON reversing contactor for a motor?

To select the correct EATON reversing contactor, match the NEMA size and continuous current rating to your motor's full-load amps and duty cycle. The CN55SN3A is NEMA Size 5 rated 270 A, suitable for large motors. Ensure coil voltage (120V AC) matches your control circuit. Consult EATON's selection guide for proper sizing and application.

Used in

Common applications for EATON
Industrial control panels — Eaton M22 flush push buttons for momentary machine start/stop commands
Motor control centers — Eaton NEMA reversing starters with electronic overloads for conveyor belt direction control
HVAC systems — Eaton definite purpose starters with thermal overloads for compressor and fan motor protection
Process automation — Eaton SL7 tower lights with IP66 bases for visual status indication in wet environments
Machine tool signaling — Eaton 10250T LED pilot lights with push-to-test for operator panel status lamps
Access control — Eaton M22 keyed selector switches for equipment mode selection in secured areas

EATON Products

3G Electric supplies EATON reversing nema contactors. 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
EATON NEMA Magnetic Contactor: Reversing, 3 Poles, NEMA Size 5, 270 A, 240V AC (MPN CN55SN3B)
EATON
EATON NEMA Magnetic Contactor: Reversing, 3 Poles, NEMA Size 5, 270 A, 240V AC (MPN CN55SN3B)
EATON NEMA Magnetic Contactor: Reversing, 3 Poles, NEMA Size 5, 270 A, 208V AC (MPN CN55SN3E)
EATON
EATON NEMA Magnetic Contactor: Reversing, 3 Poles, NEMA Size 5, 270 A, 208V AC (MPN CN55SN3E)
EATON NEMA Magnetic Contactor: Reversing, 3 Poles, NEMA Size 0, 18 A, 120V AC (MPN CN55BN3AB)
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EATON NEMA Magnetic Contactor: Reversing, 3 Poles, NEMA Size 0, 18 A, 120V AC (MPN CN55BN3AB)
EATON NEMA Magnetic Contactor: Reversing, 3 Poles, NEMA Size 3, 90 A, 120V AC (MPN CN55KN3A)
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EATON NEMA Magnetic Contactor: Reversing, 3 Poles, NEMA Size 3, 90 A, 120V AC (MPN CN55KN3A)
EATON NEMA Magnetic Contactor: Reversing, 3 Poles, NEMA Size 1, 27 A, 120V AC (MPN CN55DN3AB)
EATON
EATON NEMA Magnetic Contactor: Reversing, 3 Poles, NEMA Size 1, 27 A, 120V AC (MPN CN55DN3AB)
EATON NEMA Magnetic Contactor: Reversing, 3 Poles, NEMA Size 0, 18 A, 480V AC (MPN CN55BN3CB)
EATON
EATON NEMA Magnetic Contactor: Reversing, 3 Poles, NEMA Size 0, 18 A, 480V AC (MPN CN55BN3CB)

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The EATON CN55AN3AB is a reversing NEMA magnetic contactor with three poles, NEMA Size 00, rated 9 A at 120V AC. It is used to control forward and reverse rotation of three-phase AC motors in applications such as conveyors, hoists, and pumps
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The EATON CN55AN3AB is a reversing NEMA magnetic contactor with three poles, NEMA Size 00, rated 9 A at 120V AC. It is used to control forward and reverse rotation of three-phase AC motors in applications such as conveyors, hoists, and pumps
Reversing NEMA magnetic contactor for controlling forward and reverse rotation of three-phase motors. Rated 9 A, NEMA Size 00, with 3 poles and a 208V AC coil. Suitable for industrial applications such as conveyors, hoists, and pumps
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Reversing NEMA magnetic contactor for controlling forward and reverse rotation of three-phase motors. Rated 9 A, NEMA Size 00, with 3 poles and a 208V AC coil. Suitable for industrial applications such as conveyors, hoists, and pumps
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