EATON Magnetic Contactor: Reversing, 3 Poles, NEMA Size 5, 270 A
SKU 3G-OTH-42376
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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.
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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.















