We ship worldwide — Singapore, Australia, Malaysia, Indonesia, Philippines, India, Middle East & more

EATON Definite Purpose Magnetic Contactor: 1 + N Poles, 120V AC, 25 A - Non-Reversing Definite Purpose Contactors
EATONNon-Reversing Definite Purpose Contactors

EATON Definite Purpose Magnetic Contactor: 1 + N Poles, 120V AC, 25 A

The EATON C25CNB125A is a non-reversing definite purpose magnetic contactor from the C25 Series, designed for HVACR applications. This single-phase contactor features a 1NO main pole contact form, a coil voltage of…

SKU 3G-OTH-40944

Brand
EATON
Item
Definite Purpose Magnetic Contactor: 1 + N Poles, 120V AC, 25 A
Category
Non-Reversing Definite Purpose Contactors
Available to Order
Trade pricing by quote — replies within 24h
Qty
WhatsApp an engineerMessage via Telegram
No account needed — your quote request goes straight to our engineers. A free account lets you track quotes and re-order faster.
Worldwide Shipping
Air & sea freight
Datasheet on Request
Technical specs
1-Day Quote
Replies within 24h

Local availability & support

Delivery
Worldwide DHL shipping from Singapore; 7–14 business days door-to-door for most destinations.
Payment
Invoicing in USD. Bank transfer (SWIFT) and corporate PO accepted.

Technical Specifications

EATON
Manufacturer Part Number
C25CNB125A
Series
C25 Series
Type
25 A, Non-Reversing
AC
120V
Phase
Single
Frame Size
C
Coil Voltage
110-120V 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

No technical documents available for this product.
Request documentation
Not sure this is the right part? Get a recommendation.

Need installation or engineering help?

Installation, commissioning, maintenance plans, system design, and bundled product + service quotes — one team handles the full scope.
Talk to an engineer

Ask a question

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

Product Description

The EATON C25CNB125A is a non-reversing definite purpose magnetic contactor from the C25 Series, designed for HVACR applications. This single-phase contactor features a 1NO main pole contact form, a coil voltage of 110-120V AC, and a maximum voltage rating of 690V AC. It has a C frame size and quick-disconnect terminals.

Frequently Asked Questions

What is the EATON C25CNB125A definite purpose contactor used for?

The EATON C25CNB125A 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 1NO main pole contact form and a 110-120V AC coil.

What are the specifications of the EATON C25CNB125A contactor?

The EATON C25CNB125A is a single-phase, non-reversing contactor from the C25 Series with a C frame size. It has a coil voltage of 110-120V AC, a maximum voltage rating of 690V AC, and quick-disconnect terminals. The main pole contact form is 1NO, rated for 25 A.

Where to buy the EATON C25CNB125A contactor worldwide?

You can source the EATON C25CNB125A 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 on this HVACR definite purpose contactor.

How to install the EATON C25CNB125A definite purpose contactor?

To install the EATON C25CNB125A, ensure power is off and the coil voltage matches your 110-120V AC supply. Mount the contactor securely using the C frame, connect wires to the quick-disconnect terminals, and verify the 1NO pole contacts are properly aligned. Follow standard HVACR wiring practices.

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.

You might also need

Burners & Combustion Pumps & Compressors Spare Parts All Products

Compatible alternatives & equivalents

Cross-referenced by specification & description
EATON Definite Purpose Magnetic Contactor: 1 + N Poles, 120V AC, 30 A, Non-Reversing (MPN C25CNB130A)
EATON
EATON Definite Purpose Magnetic Contactor: 1 + N Poles, 120V AC, 30 A, Non-Reversing (MPN C25CNB130A)
EATON Definite Purpose Magnetic Contactor: 1 + N Poles, 208-240V AC, 25 A, Non-Reversing (MPN C25CNB125B)
EATON
EATON Definite Purpose Magnetic Contactor: 1 + N Poles, 208-240V AC, 25 A, Non-Reversing (MPN C25CNB125B)
EATON Definite Purpose Magnetic Contactor: 1 + N Poles, 208-240V AC, 40 A, Non-Reversing (MPN C25CNB140B)
EATON
EATON Definite Purpose Magnetic Contactor: 1 + N Poles, 208-240V AC, 40 A, Non-Reversing (MPN C25CNB140B)
EATON Definite Purpose Magnetic Contactor: 2 Poles, 120V AC, 25 A, Non-Reversing (MPN C25BNB225A)
EATON
EATON Definite Purpose Magnetic Contactor: 2 Poles, 120V AC, 25 A, Non-Reversing (MPN C25BNB225A)
EATON Definite Purpose Magnetic Contactor: 1 + N Poles, 24V AC, 25 A, Non-Reversing (MPN C25CNB125T)
EATON
EATON Definite Purpose Magnetic Contactor: 1 + N Poles, 24V AC, 25 A, Non-Reversing (MPN C25CNB125T)
EATON Definite Purpose Magnetic Contactor: 3 Poles, 120V AC, 40 A, Non-Reversing (MPN C25DNF340A)
EATON
EATON Definite Purpose Magnetic Contactor: 3 Poles, 120V AC, 40 A, Non-Reversing (MPN C25DNF340A)

More from EATON

View all EATON parts
EATON Definite Purpose Magnetic Contactor: 3 Poles, 120V AC, 50 A, Non-Reversing (MPN C25DNJ350A)
EATON
EATON Definite Purpose Magnetic Contactor: 3 Poles, 120V AC, 50 A, Non-Reversing (MPN C25DNJ350A)
EATON
EATON
EATON Definite Purpose Magnetic Contactor: 3 Poles, 208-240V AC, 60 A, Non-Reversing (MPN C25FNF360B)
EATON
EATON
EATON Definite Purpose Magnetic Contactor: 2 Poles, 120V AC, 20 A, Non-Reversing (MPN C25BNB220A)
EATON Definite Purpose Magnetic Contactor: 1 Poles, 120V AC, 30 A, Non-Reversing (MPN C25ANB130A)
EATON
EATON Definite Purpose Magnetic Contactor: 1 Poles, 120V AC, 30 A, Non-Reversing (MPN C25ANB130A)
EATON Definite Purpose Magnetic Contactor: 4 Poles, 120V AC, 30 A, Non-Reversing (MPN C25END430A)
EATON
EATON Definite Purpose Magnetic Contactor: 4 Poles, 120V AC, 30 A, Non-Reversing (MPN C25END430A)
EATON Definite Purpose Magnetic Contactor: 4 Poles, 208-240V AC, 25 A, Non-Reversing (MPN C25END425B)
EATON
EATON Definite Purpose Magnetic Contactor: 4 Poles, 208-240V AC, 25 A, Non-Reversing (MPN C25END425B)
EATON Definite Purpose Magnetic Contactor: 1 + N Poles, 120V AC, 40 A, Non-Reversing (MPN C25CNB140A)
EATON
EATON Definite Purpose Magnetic Contactor: 1 + N Poles, 120V AC, 40 A, Non-Reversing (MPN C25CNB140A)
EATON Definite Purpose Magnetic Contactor: 1 + N Poles, 208-240V AC, 30 A, Non-Reversing (MPN C25CNB130B)
EATON
EATON Definite Purpose Magnetic Contactor: 1 + N Poles, 208-240V AC, 30 A, Non-Reversing (MPN C25CNB130B)