Send a part number, a photo, or a whole BOM — we supply it and stand behind it. Worldwide shipping to 80+ countries.

EATON Definite Purpose Magnetic Contactor: 1 + N Poles, 120V AC, 40 A - Non-Reversing Definite Purpose Contactors
EATONNon-Reversing Definite Purpose Contactors

EATON Definite Purpose Magnetic Contactor: 1 + N Poles, 120V AC, 40 A

The EATON C25 Series C25CNB140A is a non-reversing definite purpose magnetic contactor with 1 + N poles, designed for HVACR applications. This single-phase contactor features a 110-120V AC coil, a 40 A rating, a…

SKU 3G-OTH-44164

Brand
EATON
Item
Definite Purpose Magnetic Contactor: 1 + N Poles, 120V AC, 40 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 — 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
C25CNB140A
Series
C25 Series
Type
40 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 C25 Series C25CNB140A is a non-reversing definite purpose magnetic contactor with 1 + N poles, designed for HVACR applications. This single-phase contactor features a 110-120V AC coil, a 40 A rating, a maximum voltage rating of 690V AC, and quick-disconnect terminals in a C frame size.

Frequently Asked Questions

What is the EATON C25CNB140A definite purpose contactor used for?

The EATON C25CNB140A is a non-reversing definite purpose magnetic contactor designed for HVACR applications such as air conditioning, refrigeration, and heating systems. It switches single-phase loads up to 40 A with a 110-120V AC coil, providing reliable on/off control in commercial and industrial equipment.

What are the specifications of the EATON C25CNB140A contactor?

The EATON C25CNB140A is a single-phase, non-reversing contactor with 1 + N poles, a 40 A rating, and a 110-120V AC coil. It has a maximum voltage rating of 690V AC, quick-disconnect terminals, and a C frame size. It is part of the C25 Series and features a 1NO main pole contact form.

Where to buy the EATON C25CNB140A contactor worldwide?

3G Electric supplies the EATON C25CNB140A definite purpose contactor to customers worldwide. As a global industrial solutions provider, we handle full logistics, customs clearance, and delivery to your location. Contact us for pricing and lead time on this C25 Series component.

How to install the EATON C25CNB140A definite purpose contactor?

Install the EATON C25CNB140A by mounting it securely in a clean, dry location. Connect the 110-120V AC coil leads to the control circuit and the main power wires to the quick-disconnect terminals. Ensure the contactor is de-energized during wiring and follow all local electrical codes 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.

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)
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
EATON
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
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: 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)
EATON Definite Purpose Magnetic Contactor: 1 + N Poles, 24V AC, 40 A, Non-Reversing (MPN C25CNB140T)
EATON
EATON Definite Purpose Magnetic Contactor: 1 + N Poles, 24V AC, 40 A, Non-Reversing (MPN C25CNB140T)
EATON Definite Purpose Magnetic Contactor: 2 Poles, 120V AC, 40 A, Non-Reversing (MPN C25BNB240A)
EATON
EATON Definite Purpose Magnetic Contactor: 2 Poles, 120V AC, 40 A, Non-Reversing (MPN C25BNB240A)

More from EATON

View all EATON parts
Three-pole non-reversing definite purpose contactor for HVACR applications such as air conditioning, refrigeration, and heating systems. Switches power to compressors, fans, and pumps. Features 3NO main poles, 110-120V AC coil, 690V AC maximum voltage, and quick-disconnect terminals in a G frame size
EATON
Three-pole non-reversing definite purpose contactor for HVACR applications such as air conditioning, refrigeration, and heating systems. Switches power to compressors, fans, and pumps. Features 3NO main poles, 110-120V AC coil, 690V AC maximum voltage, and quick-disconnect terminals in a G frame size
Single-phase, 2-pole definite purpose contactor with 2 normally open main poles. Rated 30 A at 208-240V AC, with a maximum voltage rating of 690V AC. Features quick-disconnect terminals and Frame Size B. Suitable for HVACR equipment and general industrial motor control applications
EATON
Single-phase, 2-pole definite purpose contactor with 2 normally open main poles. Rated 30 A at 208-240V AC, with a maximum voltage rating of 690V AC. Features quick-disconnect terminals and Frame Size B. Suitable for HVACR equipment and general industrial motor control applications
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
EATON
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
Three-phase definite purpose contactor with 24V AC coil, 30 A rating, and 4 normally open main poles. Rated for 690V AC maximum with quick-disconnect terminals in an E frame size. Suitable for HVACR and industrial equipment such as compressors, fans, and pumps
EATON
Three-phase definite purpose contactor with 24V AC coil, 30 A rating, and 4 normally open main poles. Rated for 690V AC maximum with quick-disconnect terminals in an E frame size. Suitable for HVACR and industrial equipment such as compressors, fans, and pumps
This EATON C25 Series definite purpose contactor is a non-reversing, single-phase HVACR-style contactor with a B frame size. It has 2 normally open main poles rated for 25 A, a coil voltage of 110-120V AC, and a maximum voltage rating of 690V AC. Connection is via quick-disconnect terminals. Typical applications include controlling compressor and fan motor loads in air conditioning, refrigeration, and heat pump systems
EATON
This EATON C25 Series definite purpose contactor is a non-reversing, single-phase HVACR-style contactor with a B frame size. It has 2 normally open main poles rated for 25 A, a coil voltage of 110-120V AC, and a maximum voltage rating of 690V AC. Connection is via quick-disconnect terminals. Typical applications include controlling compressor and fan motor loads in air conditioning, refrigeration, and heat pump systems
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
EATON
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
Three-pole non-reversing definite purpose contactor from the C25 Series, designed for HVACR applications such as air conditioning, refrigeration, and heat pump systems. Features a 3NO main pole contact form, 110-120V AC coil voltage, 40 A rating, and maximum voltage rating of 690V AC. Terminals are quick-disconnect type, and the unit is housed in a Frame Size D enclosure
EATON
Three-pole non-reversing definite purpose contactor from the C25 Series, designed for HVACR applications such as air conditioning, refrigeration, and heat pump systems. Features a 3NO main pole contact form, 110-120V AC coil voltage, 40 A rating, and maximum voltage rating of 690V AC. Terminals are quick-disconnect type, and the unit is housed in a Frame Size D enclosure
Three-pole non-reversing definite purpose contactor from the C25 Series. Features 3 normally open main contacts, 110-120V AC coil voltage, 60A rating, and 690V AC maximum voltage. Equipped with quick-disconnect terminals in Frame Size F. Suitable for switching three-phase loads in HVACR and industrial equipment such as compressors, fan motors, and pump controls
EATON
Three-pole non-reversing definite purpose contactor from the C25 Series. Features 3 normally open main contacts, 110-120V AC coil voltage, 60A rating, and 690V AC maximum voltage. Equipped with quick-disconnect terminals in Frame Size F. Suitable for switching three-phase loads in HVACR and industrial equipment such as compressors, fan motors, and pump controls