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EATON C25CNB125B Non-Reversing Definite Purpose Contactor - Non-Reversing Definite Purpose Contactors
EATONNon-Reversing Definite Purpose Contactors

EATON C25CNB125B Non-Reversing Definite Purpose Contactor

The EATON C25 Series C25CNB125B is a non-reversing definite purpose magnetic contactor with 1 + N poles, designed for HVACR applications. This single-phase contactor features a 208-240V AC coil, a 25 A rating, a…

SKU 3G-OTH-44127

Brand
EATON
Item
C25CNB125B Non-Reversing Definite Purpose Contactor
Category
Non-Reversing Definite Purpose Contactors
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Local availability & support — Singapore

Local office
20 Woodlands Link #09-05, Singapore 738733
Phone
+65 8878 8355
Delivery
Same-day or next-business-day delivery within Singapore for in-stock items; 7–14 days for factory-order parts from Europe.
Payment
Invoicing in SGD. PayNow, bank transfer, and corporate PO accepted.
Ships to
Singapore

Technical Specifications

EATON
Manufacturer Part Number
C25CNB125B
Series
C25 Series
Type
25 A, Non-Reversing
AC
208-240V
Phase
Single
Frame Size
C
Coil Voltage
208-240V AC
Contactor Style
HVACR Definite Purpose Contactor
Main Pole Contact Form
1NO
Maximum Voltage Rating
690V AC
Terminal Connection Type
Quick-Disconnect Terminals

Technical Documents

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EATON Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The EATON C25 Series C25CNB125B is a non-reversing definite purpose magnetic contactor with 1 + N poles, designed for HVACR applications. This single-phase contactor features a 208-240V AC coil, a 25 A rating, a maximum voltage rating of 690V AC, and quick-disconnect terminals in a Frame Size C configuration.

Frequently Asked Questions

What is the EATON C25CNB125B definite purpose contactor used for?

The EATON C25CNB125B is a non-reversing definite purpose magnetic contactor designed for HVACR applications such as air conditioning, refrigeration, and heating systems. It controls single-phase loads up to 25 A with a 208-240V AC coil, making it suitable for compressor and fan motor switching in commercial and industrial equipment.

What are the specifications of the EATON C25CNB125B contactor?

The EATON C25CNB125B is a single-phase, non-reversing definite purpose contactor from the C25 Series. It has 1 + N poles (1NO main contact), a coil voltage of 208-240V AC, a 25 A rating, a maximum voltage rating of 690V AC, Frame Size C, and quick-disconnect terminals. It is designed for HVACR applications.

Where to buy the EATON C25CNB125B contactor worldwide?

You can source the EATON C25CNB125B contactor worldwide through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time; we provide reliable sourcing for EATON definite purpose contactors.

How to install the EATON C25CNB125B definite purpose contactor?

To install the EATON C25CNB125B, ensure power is off and the coil voltage matches your 208-240V AC supply. Mount the contactor securely using the Frame C dimensions, connect wires to the quick-disconnect terminals, and verify the main pole contact form (1NO) aligns with your circuit. Follow standard HVACR installation practices for safe operation.

Used in

Common applications for EATON
Industrial control panels — Eaton M22 flush push buttons for momentary machine start/stop commands
Motor control centers — Eaton NEMA reversing starters with electronic overloads for conveyor belt direction control
HVAC systems — Eaton definite purpose starters with thermal overloads for compressor and fan motor protection
Process automation — Eaton SL7 tower lights with IP66 bases for visual status indication in wet environments
Machine tool signaling — Eaton 10250T LED pilot lights with push-to-test for operator panel status lamps
Access control — Eaton M22 keyed selector switches for equipment mode selection in secured areas

EATON Products

3G Electric supplies EATON non-reversing definite purpose contactors. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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Cross-referenced by specification & description
EATON Definite Purpose Magnetic Contactor: 1 + N Poles, 208-240V AC, 30 A, Non-Reversing (MPN C25CNB130B)
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Single-phase definite purpose contactor from the C25 Series with C frame size. Features 1 normally open main pole, 25 A rating, 110-120V AC coil, and 690V AC maximum voltage. Equipped with quick-disconnect terminals. Suitable for HVACR applications such as air conditioning, refrigeration, and heating systems
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Single-phase definite purpose contactor from the C25 Series with C frame size. Features 1 normally open main pole, 25 A rating, 110-120V AC coil, and 690V AC maximum voltage. Equipped with quick-disconnect terminals. Suitable for HVACR applications such as air conditioning, refrigeration, and heating systems
The EATON C25CNB125T is a non-reversing definite purpose contactor from the C25 Series, designed for HVACR applications such as air conditioning, refrigeration, and heat pump systems. It features a 24V AC coil, single-pole normally open (1NO) main contact form, and a maximum voltage rating of 690V AC. This C-frame contactor is rated for 25 A and uses quick-disconnect terminals for easy installation
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The EATON C25CNB125T is a non-reversing definite purpose contactor from the C25 Series, designed for HVACR applications such as air conditioning, refrigeration, and heat pump systems. It features a 24V AC coil, single-pole normally open (1NO) main contact form, and a maximum voltage rating of 690V AC. This C-frame contactor is rated for 25 A and uses quick-disconnect terminals for easy installation
EATON Definite Purpose Magnetic Contactor: 2 Poles, 208-240V AC, 25 A, Non-Reversing (MPN C25BNB225B)
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EATON Definite Purpose Magnetic Contactor: 2 Poles, 208-240V AC, 25 A, Non-Reversing (MPN C25BNB225B)
EATON Definite Purpose Magnetic Contactor: 2 Poles, 208-240V AC, 30 A, Non-Reversing (MPN C25BNB230B)
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Single-phase, non-reversing definite purpose contactor from the C25 Series. Features a 24V AC coil, 30 A rating, 1NO main pole contact form, and a maximum voltage rating of 690V AC. Housed in a C frame size with quick-disconnect terminals. Suitable for HVACR applications such as switching compressors and fan motors in commercial and industrial equipment
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This EATON C25 Series definite purpose contactor is a non-reversing, 2-pole device with a 2NO main pole contact form. Rated for 40 A at 208-240V AC, it features a maximum voltage rating of 690V AC and quick-disconnect terminals in Frame Size B. Suitable for switching single-phase loads in HVACR and industrial equipment
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