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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

SKU 3G-OTH-42308

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

EATON
Manufacturer Part Number
CN55NN3B
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EATON Products
3G Electric (S) Pte. Ltd. — Singapore

Frequently Asked Questions

What is the EATON CN55NN3B reversing magnetic contactor used for?

The EATON CN55NN3B reversing magnetic contactor is used to control the forward and reverse rotation of three-phase AC motors in industrial applications such as conveyors, hoists, and pumps. It is a NEMA Size 4, 3-pole device rated at 135 A and 240V AC, suitable for heavy-duty motor starting and reversing.

What are the specifications of the EATON CN55NN3B contactor?

The EATON CN55NN3B is a reversing NEMA magnetic contactor with 3 poles, NEMA Size 4, and a continuous current rating of 135 A. It operates at 240V AC coil voltage. The manufacturer part number is CN55NN3B. This EATON contactor is designed for reliable motor reversing in demanding industrial environments.

Where to buy the EATON CN55NN3B contactor worldwide?

You can source the EATON CN55NN3B reversing contactor from 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide destinations. Contact 3G Electric for availability and lead time on this EATON part number.

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

To select the correct EATON reversing contactor like the CN55NN3B, match the NEMA size and current rating to your motor's full-load amps and voltage. For a 135 A, 240V AC application, NEMA Size 4 is appropriate. Always verify coil voltage and pole configuration. Consult EATON's technical documentation for specific motor horsepower ratings.

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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