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Compact beige contactor with single pole terminal block and coil markings

Eaton

Eaton C25CNB140B Definite Purpose Magnetic Contactor 208-240V AC 1 Pole

SKU CH-N0DB-VTCBB

Controls 208-240V AC circuits with a 50A resistive or 40A inductive rating in a single-pole, no-enclosure frame

  • Handles 50 A resistive loads with 208-240 V AC coil
  • Controls 7 1/2 hp single-phase motors at 240 V AC
  • Rated for 40 A inductive current in C25 frame
  • Single-pole non-reversing design for definite-purpose switching
  • LED lighting rated at 50 A for illumination circuits

Definite Purpose Contactor for Lighting Loads

The Eaton C25CNB140B is a definite purpose magnetic contactor designed to switch single-phase lighting and resistive loads. It suits contractors and facility managers who need reliable control for LED circuits up to 50 A at 208-240 V AC.

Coil Voltage Matches 208-240 V AC Supplies

The operating coil is rated for 208-240 V AC, so the contactor will only energise correctly on supplies within that range. Installations running 120 V AC or other control voltages cannot use this unit without a separate transformer.

Single Pole Non-Reversing Frame Limits Circuit

The C25 frame provides one normally open pole with no reversing capability, so it handles a single lighting or heating circuit only. Buyers needing multi-pole switching, motor reversing or enclosed mounting must select a different contactor configuration.

How it compares

Measured against everything we stock in Contactors, Relays & Motor Starters, at today’s prices. Recalculated every night.

Price $54.99
Cheaper than about 55% of the 1,098 comparable items (median $61.99).

Specifications

Product
Brand nameEATON

Questions about this item

How much resistive load can the 50 A rating actually switch in my panel?

The contactor is rated for 50 A full-load resistive current at 208-240 V AC, so it can handle heating elements or similar loads up to that level.

What does the 208-240 V AC coil voltage mean for my control circuit?

The coil operates on 208-240 V AC control power; it will not pull in reliably on 120 V and requires a matching supply voltage.

What mounting space does the C25 frame size need inside an enclosure?

The C25 frame is designed for panel mounting without an integral enclosure; allow standard DIN-rail or screw-mount clearance for a 1-pole definite-purpose body.

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