140M-C2E-C10 Circuit Breaker | Allen-Bradley
Need More Details?
If you’d like to check stock availability, request the latest price, or view more product images, simply click the "Request for Price" button and our team will assist you promptly.

The Allen‑Bradley 140M‑C2E‑C10 is a 3‑pole motor protection circuit breaker (MPCB) from the Bulletin 140M family, designed to safeguard motors by combining overload and magnetic short‑circuit protection. Engineered for compact panels and control systems, it features a frame‑size C design with an adjustable thermal trip setting and fixed magnetic trip for reliable, repeatable motor protection in demanding industrial environments.
Key Features:
-
Adjustable thermal current range from 6.3 to 10 A for tailored protection
-
Magnetic trip fixed at ~13 × nominal current for fast short-circuit response
-
Separate “ON,” “OFF,” and “TRIP” handle positions for quick fault identification
-
Compact Frame C design (45 mm width) fits well in control panels
-
Built-in phase‑loss sensitivity for added motor protection
Specifications:
-
Model: 140M‑C2E‑C10
-
Rated Current (Ie): 10 A
-
Adjustable Thermal Range: 6.3–10 A
-
Poles: 3
-
Rated Voltage: up to 690 V AC
-
Short‑Circuit Breaking Capacity (Icu): 100 kA @ 400 V AC
-
Trip Class: 10
-
Mounting: DIN rail or screw, with screw terminals
-
Frame Size: C, 32 A
-
Protection: Adjustable thermal + fixed magnetic
-
Ambient Temperature Range: –25°C to +60°C
With its precise thermal‑magnetic protection, visual trip indication, and compact footprint, the Allen‑Bradley 140M‑C2E‑C10 offers a reliable, industry-proven solution for motor control applications. Its robust design and adjustable settings ensure long-term protection in demanding automation systems.
Returns Policy
You may return most new, unopened items within 30 days of delivery for a full refund. We'll also pay the return shipping costs if the return is a result of our error (you received an incorrect or defective item, etc.).
You should expect to receive your refund within four weeks of giving your package to the return shipper, however, in many cases you will receive a refund more quickly. This time period includes the transit time for us to receive your return from the shipper (5 to 10 business days), the time it takes us to process your return once we receive it (3 to 5 business days), and the time it takes your bank to process our refund request (5 to 10 business days).
If you need to return an item, simply login to your account, view the order using the "Complete Orders" link under the My Account menu and click the Return Item(s) button. We'll notify you via e-mail of your refund once we've received and processed the returned item.
Shipping
We can ship to virtually any address in the world. Note that there are restrictions on some products, and some products cannot be shipped to international destinations.
When you place an order, we will estimate shipping and delivery dates for you based on the availability of your items and the shipping options you choose. Depending on the shipping provider you choose, shipping date estimates may appear on the shipping quotes page.
Please also note that the shipping rates for many items we sell are weight-based. The weight of any such item can be found on its detail page. To reflect the policies of the shipping companies we use, all weights will be rounded up to the next full pound.