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

3G Electric
RFQ CartGet a QuoteSign inSign up
EATON Definite Purpose Magnetic Contactor: 1 + N Poles, 24V AC, 40 A - Non-Reversing Definite Purpose Contactors
EATONNon-Reversing Definite Purpose Contactors

EATON Definite Purpose Magnetic Contactor: 1 + N Poles, 24V AC, 40 A

The EATON C25CNB140T is a non-reversing definite purpose contactor from the C25 Series, designed for HVACR applications. This single-phase, 1 + N pole unit features a 24V AC coil, a 40 A rating, and a maximum voltage…

SKU 3G-OTH-42451

Brand
EATON
Item
Definite Purpose Magnetic Contactor: 1 + N Poles, 24V AC, 40 A
Category
Non-Reversing Definite Purpose Contactors
Available to Order
Trade pricing by quote — replies within 24h
Qty
WhatsApp an engineer
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

Technical Specifications

EATON
Manufacturer Part Number
C25CNB140T
Series
C25 Series
Type
40 A, Non-Reversing
AC
24V
Phase
Single
Frame Size
C
Coil Voltage
24V AC
Contactor Style
HVACR Definite Purpose Contactor
Main Pole Contact Form
1NO
Maximum Voltage Rating
690V AC
Terminal Connection Type
Quick-Disconnect Terminals
View Full Spec Sheet

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 C25CNB140T is a non-reversing definite purpose contactor from the C25 Series, designed for HVACR applications. This single-phase, 1 + N pole unit features a 24V AC coil, a 40 A rating, and a maximum voltage rating of 690V AC. It comes in Frame Size C with quick-disconnect terminals and a 1NO main pole contact form.

Frequently Asked Questions

What is the EATON C25CNB140T definite purpose contactor used for?

The EATON C25CNB140T is a non-reversing definite purpose contactor designed for HVACR applications such as controlling compressors, fans, and pumps in commercial heating, ventilation, air conditioning, and refrigeration systems.

What are the specifications of the EATON C25CNB140T contactor?

The EATON C25CNB140T is a single-phase, 1 + N pole contactor with a 24V AC coil, 40 A rating, and maximum voltage rating of 690V AC. It features quick-disconnect terminals, Frame Size C, and a 1NO main pole contact form.

Where to buy the EATON C25CNB140T contactor worldwide?

3G Electric supplies the EATON C25CNB140T definite purpose contactor worldwide. As a global industrial solutions provider, we handle full logistics, customs clearance, and delivery to your facility, ensuring you receive genuine EATON components.

How to install the EATON C25CNB140T definite purpose contactor?

Install the EATON C25CNB140T by mounting it securely in a clean, dry location. Connect the 24V AC coil leads to the control circuit and the main power wires to the quick-disconnect terminals. Always follow local electrical codes and de-energize all circuits before installation.

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 →

Similar products

Matched by specification & description
EATON Definite Purpose Magnetic Contactor: 1 + N Poles, 24V AC, 30 A, Non-Reversing (MPN C25CNB130T). Key specifications — Brand: EATON; Coil Voltage: 24V AC; Contactor Style: HVACR Definite Purpose Contactor; Frame Size: C; Terminal Connection Type: Quick-Disconnect Terminals; Maximum Voltage Rating: 690V AC; Series: C25 Series; Phase: Single.
EATON
EATON Definite Purpose Magnetic Contactor: 1 + N Poles, 24V AC, 30 A, Non-Reversing (MPN C25CNB130T). Key specifications — Brand: EATON; Coil Voltage: 24V AC; Contactor Style: HVACR Definite Purpose Contactor; Frame Size: C; Terminal Connection Type: Quick-Disconnect Terminals; Maximum Voltage Rating: 690V AC; Series: C25 Series; Phase: Single.
EATON Definite Purpose Magnetic Contactor: 1 + N Poles, 24V AC, 25 A, Non-Reversing (MPN C25CNB125T). Key specifications — Brand: EATON; Coil Voltage: 24V AC; Contactor Style: HVACR Definite Purpose Contactor; Frame Size: C; Terminal Connection Type: Quick-Disconnect Terminals; Maximum Voltage Rating: 690V AC; Series: C25 Series; Phase: Single.
EATON
EATON Definite Purpose Magnetic Contactor: 1 + N Poles, 24V AC, 25 A, Non-Reversing (MPN C25CNB125T). Key specifications — Brand: EATON; Coil Voltage: 24V AC; Contactor Style: HVACR Definite Purpose Contactor; Frame Size: C; Terminal Connection Type: Quick-Disconnect Terminals; Maximum Voltage Rating: 690V AC; Series: C25 Series; Phase: Single.
EATON Definite Purpose Magnetic Contactor: 1 + N Poles, 208-240V AC, 40 A, Non-Reversing (MPN C25CNB140B). Key specifications — Brand: EATON; Coil Voltage: 208-240V AC; Contactor Style: HVACR Definite Purpose Contactor; Frame Size: C; Terminal Connection Type: Quick-Disconnect Terminals; Maximum Voltage Rating: 690V AC; Series: C25 Series; Phase: Single.
EATON
EATON Definite Purpose Magnetic Contactor: 1 + N Poles, 208-240V AC, 40 A, Non-Reversing (MPN C25CNB140B). Key specifications — Brand: EATON; Coil Voltage: 208-240V AC; Contactor Style: HVACR Definite Purpose Contactor; Frame Size: C; Terminal Connection Type: Quick-Disconnect Terminals; Maximum Voltage Rating: 690V AC; Series: C25 Series; Phase: Single.
EATON Definite Purpose Magnetic Contactor: 2 Poles, 24V AC, 40 A, Non-Reversing (MPN C25BNB240T). Key specifications — Brand: EATON; Coil Voltage: 24V AC; Contactor Style: HVACR Definite Purpose Contactor; Frame Size: B; Terminal Connection Type: Quick-Disconnect Terminals; Maximum Voltage Rating: 690V AC; Series: C25 Series; Phase: Single.
EATON
EATON Definite Purpose Magnetic Contactor: 2 Poles, 24V AC, 40 A, Non-Reversing (MPN C25BNB240T). Key specifications — Brand: EATON; Coil Voltage: 24V AC; Contactor Style: HVACR Definite Purpose Contactor; Frame Size: B; Terminal Connection Type: Quick-Disconnect Terminals; Maximum Voltage Rating: 690V AC; Series: C25 Series; Phase: Single.
EATON Definite Purpose Magnetic Contactor: 2 Poles, 24V AC, 20 A, Non-Reversing (MPN C25BNB220T). Key specifications — Brand: EATON; Coil Voltage: 24V AC; Contactor Style: HVACR Definite Purpose Contactor; Frame Size: B; Terminal Connection Type: Quick-Disconnect Terminals; Maximum Voltage Rating: 690V AC; Series: C25 Series; Phase: Single.
EATON
EATON Definite Purpose Magnetic Contactor: 2 Poles, 24V AC, 20 A, Non-Reversing (MPN C25BNB220T). Key specifications — Brand: EATON; Coil Voltage: 24V AC; Contactor Style: HVACR Definite Purpose Contactor; Frame Size: B; Terminal Connection Type: Quick-Disconnect Terminals; Maximum Voltage Rating: 690V AC; Series: C25 Series; Phase: Single.
EATON Definite Purpose Magnetic Contactor: 3 Poles, 24V AC, 40 A, Non-Reversing (MPN C25DNF340T). Key specifications — Brand: EATON; Coil Voltage: 24V AC; Contactor Style: HVACR Definite Purpose Contactor; Frame Size: D; Terminal Connection Type: Quick-Disconnect Terminals; Maximum Voltage Rating: 690V AC; Series: C25 Series; Phase: Three.
EATON
EATON Definite Purpose Magnetic Contactor: 3 Poles, 24V AC, 40 A, Non-Reversing (MPN C25DNF340T). Key specifications — Brand: EATON; Coil Voltage: 24V AC; Contactor Style: HVACR Definite Purpose Contactor; Frame Size: D; Terminal Connection Type: Quick-Disconnect Terminals; Maximum Voltage Rating: 690V AC; Series: C25 Series; Phase: Three.

More from EATON

View all EATON parts →
EATON Definite Purpose Magnetic Contactor: 3 Poles, 120V AC, 50 A, Non-Reversing (MPN C25DNJ350A). Key specifications — Brand: EATON; Coil Voltage: 110-120V AC; Contactor Style: HVACR Definite Purpose Contactor; Frame Size: D; Terminal Connection Type: Box Lugs; Maximum Voltage Rating: 690V AC; Series: C25 Series; Phase: Three.
EATON
EATON Definite Purpose Magnetic Contactor: 3 Poles, 120V AC, 50 A, Non-Reversing (MPN C25DNJ350A). Key specifications — Brand: EATON; Coil Voltage: 110-120V AC; Contactor Style: HVACR Definite Purpose Contactor; Frame Size: D; Terminal Connection Type: Box Lugs; Maximum Voltage Rating: 690V AC; Series: C25 Series; Phase: Three.
EATON
EATON
EATON Definite Purpose Magnetic Contactor: 3 Poles, 208-240V AC, 60 A, Non-Reversing (MPN C25FNF360B). Key specifications — Brand: EATON; Coil Voltage: 208-240V AC; Contactor Style: HVACR Definite Purpose Contactor; Frame Size: F; Terminal Connection Type: Quick-Disconnect Terminals; Maximum Voltage Rating: 690V AC; Series: C25 Series; Phase: Three.
EATON
EATON
EATON Definite Purpose Magnetic Contactor: 2 Poles, 120V AC, 20 A, Non-Reversing (MPN C25BNB220A). Key specifications — Brand: EATON; Coil Voltage: 110-120V AC; Contactor Style: HVACR Definite Purpose Contactor; Frame Size: B; Terminal Connection Type: Quick-Disconnect Terminals; Maximum Voltage Rating: 690V AC; Series: C25 Series; Phase: Single.
EATON Definite Purpose Magnetic Contactor: 1 Poles, 120V AC, 30 A, Non-Reversing (MPN C25ANB130A). Key specifications ��— Brand: EATON; Coil Voltage: 110-120V AC; Contactor Style: HVACR Definite Purpose Contactor; Frame Size: A; Terminal Connection Type: Quick-Disconnect Terminals; Maximum Voltage Rating: 690V AC; Series: C25 Series; Phase: Single.
EATON
EATON Definite Purpose Magnetic Contactor: 1 Poles, 120V AC, 30 A, Non-Reversing (MPN C25ANB130A). Key specifications — Brand: EATON; Coil Voltage: 110-120V AC; Contactor Style: HVACR Definite Purpose Contactor; Frame Size: A; Terminal Connection Type: Quick-Disconnect Terminals; Maximum Voltage Rating: 690V AC; Series: C25 Series; Phase: Single.
EATON Definite Purpose Magnetic Contactor: 4 Poles, 120V AC, 30 A, Non-Reversing (MPN C25END430A). Key specifications — Brand: EATON; Coil Voltage: 110-120V AC; Contactor Style: HVACR Definite Purpose Contactor; Frame Size: E; Terminal Connection Type: Quick-Disconnect Terminals; Maximum Voltage Rating: 690V AC; Series: C25 Series; Phase: Three.
EATON
EATON Definite Purpose Magnetic Contactor: 4 Poles, 120V AC, 30 A, Non-Reversing (MPN C25END430A). Key specifications — Brand: EATON; Coil Voltage: 110-120V AC; Contactor Style: HVACR Definite Purpose Contactor; Frame Size: E; Terminal Connection Type: Quick-Disconnect Terminals; Maximum Voltage Rating: 690V AC; Series: C25 Series; Phase: Three.
EATON Definite Purpose Magnetic Contactor: 4 Poles, 208-240V AC, 25 A, Non-Reversing (MPN C25END425B). Key specifications — Brand: EATON; Coil Voltage: 208-240V AC; Contactor Style: HVACR Definite Purpose Contactor; Frame Size: E; Terminal Connection Type: Quick-Disconnect Terminals; Maximum Voltage Rating: 690V AC; Series: C25 Series; Phase: Three.
EATON
EATON Definite Purpose Magnetic Contactor: 4 Poles, 208-240V AC, 25 A, Non-Reversing (MPN C25END425B). Key specifications — Brand: EATON; Coil Voltage: 208-240V AC; Contactor Style: HVACR Definite Purpose Contactor; Frame Size: E; Terminal Connection Type: Quick-Disconnect Terminals; Maximum Voltage Rating: 690V AC; Series: C25 Series; Phase: Three.
EATON Definite Purpose Magnetic Contactor: 1 + N Poles, 120V AC, 40 A, Non-Reversing (MPN C25CNB140A). Key specifications — Brand: EATON; Coil Voltage: 110-120V AC; Contactor Style: HVACR Definite Purpose Contactor; Frame Size: C; Terminal Connection Type: Quick-Disconnect Terminals; Maximum Voltage Rating: 690V AC; Series: C25 Series; Phase: Single.
EATON
EATON Definite Purpose Magnetic Contactor: 1 + N Poles, 120V AC, 40 A, Non-Reversing (MPN C25CNB140A). Key specifications — Brand: EATON; Coil Voltage: 110-120V AC; Contactor Style: HVACR Definite Purpose Contactor; Frame Size: C; Terminal Connection Type: Quick-Disconnect Terminals; Maximum Voltage Rating: 690V AC; Series: C25 Series; Phase: Single.
EATON Definite Purpose Magnetic Contactor: 1 + N Poles, 208-240V AC, 30 A, Non-Reversing (MPN C25CNB130B). Key specifications — Brand: EATON; Coil Voltage: 208-240V AC; Contactor Style: HVACR Definite Purpose Contactor; Frame Size: C; Terminal Connection Type: Quick-Disconnect Terminals; Maximum Voltage Rating: 690V AC; Series: C25 Series; Phase: Single.
EATON
EATON Definite Purpose Magnetic Contactor: 1 + N Poles, 208-240V AC, 30 A, Non-Reversing (MPN C25CNB130B). Key specifications — Brand: EATON; Coil Voltage: 208-240V AC; Contactor Style: HVACR Definite Purpose Contactor; Frame Size: C; Terminal Connection Type: Quick-Disconnect Terminals; Maximum Voltage Rating: 690V AC; Series: C25 Series; Phase: Single.