The Eaton CN55TN3CB is a NEMA reversing contactor (Size 6, three-pole) rated at 540 A, designed for heavy-duty motor control and reversing-starter applications. With coil options of 480 VAC (60 Hz) or 440 VAC (50 Hz) and horsepower ratings listed for multiple line voltages, this NEMA contactor is suited for large motor starters, industrial equipment panels, and demanding HVAC or water-treatment motor control duties.

Key Features

Reversing three-pole design for reliable forward/reverse motor operation.
Meets common international standards (NEMA, UL, CSA, VDE, BS) for global installations.
Compatible with adjustable bimetallic ambient-compensated overload relays and interchangeable heater packs.
Screw-type power terminals with captive, self-lifting pressure plates for easier, secure wiring.
Flexibility for horizontal or vertical panel mounting and a full line of snap-on accessories (auxiliary contacts, timers).

Technical Specifications

Manufacturer	Eaton
Commercial Reference	CN55TN3CB
Component	NEMA Contactor
Sub-Component	NEMA Reversing Contactor
NEMA Size	6
Poles	3 Pole
Amperage	540 A
Coil Voltage	480 VAC (60 Hz) or 440 VAC (50 Hz)
Frequency	50 / 60 Hz
Reversing Capability	Reversing
Starter HP	150 HP @ 208 VAC; 200 HP @ 240 VAC; 400 HP @ 600 VAC

Applications

Used for reversing motor starters on pumps, conveyors and hoists; large compressor and chiller motor control; industrial motor control panels in manufacturing, water treatment, and commercial HVAC systems.

We supply genuine Eaton parts through authorized channels from our Batam base with fast delivery across Indonesia and Southeast Asia. For competitive pricing and stock confirmation, contact us to request a formal quotation for the CN55TN3CB reversing contactor.

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