EATON Magnetic Contactor: Reversing, 3 Poles, NEMA Size 4, 135 A
SKU 3G-OTH-42212
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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.
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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.















