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EATON Magnetic Contactor: Reversing, 3 Poles, NEMA Size 4, 135 A - Reversing NEMA Contactors
EATONReversing NEMA Contactors

EATON Magnetic Contactor: Reversing, 3 Poles, NEMA Size 4, 135 A

EATON Reversing NEMA Contactors.

SKU 3G-OTH-42212

Brand
EATON
Item
Magnetic Contactor: Reversing, 3 Poles, NEMA Size 4, 135 A
Category
Reversing NEMA Contactors
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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

EATON
Manufacturer Part Number
CN55NN3A

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 CN55NN3A reversing magnetic contactor used for?

The EATON CN55NN3A 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 for 135 A continuous current and 120V AC coil voltage, suitable for heavy-duty motor control.

What are the specifications of the EATON CN55NN3A contactor?

The EATON CN55NN3A is a reversing NEMA magnetic contactor with 3 poles, NEMA Size 4, rated 135 A at 600V AC maximum. The coil operates on 120V AC 50/60 Hz. It is designed for reversing motor starters and complies with NEMA ICS standards for industrial control equipment.

Where to buy the EATON CN55NN3A contactor worldwide?

You can source the EATON CN55NN3A reversing contactor through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide destinations. Contact our team for pricing and lead time on this Eaton part number CN55NN3A.

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

Select the EATON reversing contactor based on motor full-load current, voltage, and duty cycle. For the CN55NN3A, ensure the motor FLA does not exceed 135 A and coil voltage matches your control circuit (120V AC). Always verify NEMA size compatibility with your starter enclosure and consult Eaton's application notes.

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 4, 135 A, 240V AC (MPN CN55NN3B)
EATON
EATON NEMA Magnetic Contactor: Reversing, 3 Poles, NEMA Size 4, 135 A, 240V AC (MPN CN55NN3B)
EATON NEMA Magnetic Contactor: Non-Reversing, 3 Poles, NEMA Size 4, 135 A, 120V AC (MPN CN15NN3A)
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EATON NEMA Magnetic Contactor: Non-Reversing, 3 Poles, NEMA Size 4, 135 A, 120V AC (MPN CN15NN3A)
EATON NEMA Magnetic Contactor: Non-Reversing, 3 Poles, NEMA Size 4, 135 A, 240V AC (MPN CN15NN3B)
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EATON NEMA Magnetic Contactor: Non-Reversing, 3 Poles, NEMA Size 4, 135 A, 240V AC (MPN CN15NN3B)
EATON NEMA Magnetic Contactor: Reversing, 3 Poles, NEMA Size 2, 45 A, 120V AC (MPN CN55GN3AB)
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EATON NEMA Magnetic Contactor: Reversing, 3 Poles, NEMA Size 2, 45 A, 120V AC (MPN CN55GN3AB)
EATON NEMA Magnetic Contactor: Reversing, 3 Poles, NEMA Size 1, 27 A, 120V AC (MPN CN55DN3AB)
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EATON NEMA Magnetic Contactor: Reversing, 3 Poles, NEMA Size 1, 27 A, 120V AC (MPN CN55DN3AB)
EATON NEMA Magnetic Contactor: Non-Reversing, 3 Poles, NEMA Size 4, 135 A, 24V AC (MPN CN15NN3T)
EATON
EATON NEMA Magnetic Contactor: Non-Reversing, 3 Poles, NEMA Size 4, 135 A, 24V AC (MPN CN15NN3T)

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