Eaton CN55NN3C 270A NEMA Size 5 Reversing Contactor, 440V Coil

Eaton CN55NN3C is a NEMA Size 4 reversing contactor (Commercial Reference CN55NN3C) rated 135 A for three‑pole motor control in industrial applications. Designed for use on 480 V (60 Hz) or 440 V (50 Hz) supply systems, this NEMA contactor provides heavy‑duty forward/reverse switching for motors, pumps, compressors, conveyors and other medium‑to‑large loads. The unit is supplied for panel mounting in an open enclosure and offers accessible terminal design for easier wiring.

Key Features

• NEMA Size 4, three‑pole reversing design for robust forward/reverse motor control.
• 135 A rated switching capacity suitable for medium‑to‑large motor starters and loads.
• Rated for 480 V (60 Hz) and 440 V (50 Hz) supply systems for international use.
• Compatible with adjustable bimetallic ambient‑compensated overload relays; electronic C440 overload option available.
• Screw‑type power terminals with captive, self‑lifting pressure plates for faster, secure wiring.
• Accessible terminals, straight‑through wiring and optional fingerproof shields for safer installation and maintenance.

Technical Specifications

Applications

Used for forward/reverse motor starters and control panels in conveyors, pumps, compressors, HVAC chillers and other industrial machinery where reliable reversing and high‑current switching are required.

We supply genuine Eaton CN55NN3C contactors through authorized distribution channels from our Batam base. Fast delivery across Indonesia and Southeast Asia, competitive pricing and local support available. Contact us to request a quotation or confirm stock and lead time for immediate shipment.