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140M Circuit Breakers

Allen Bradley 140M Circuit Breakers

Allen Bradley 140M circuit breakers are designed for motor protection, and they support several protective functions. These protective functions include thermal overload protection, magnetic short circuit branch circuit protection, and manual switching. The 140M circuit breakers feature a current range of 0.1 to 45 Amps, and they support Type 2 coordination with contactors from the Allen Bradley Bulletin 100-C product line. These circuit breakers support Class 10 overload protection options.

Not an Authorized Distributor: DO Supply is not an authorized distributor for listed manufacturers or tradenames and therefore the manufacturer's warranty does not apply. All of our products come with DO Supply's 2-year warranty.
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Browse 140M Circuit Breakers

Browse available units in our catalog of 140M Circuit Breakers.

140M-D8T-C20

This circuit-breaker is rated for 20 A of operating current, with a motor current adjustment range from 14.5 to 20 A. It has a magnetic trip level of 325 A and comes with an IP20 rating, suitable for

In Stock Ships Today
5.0

140M-J8P-D17

This motor circuit protector features a magnetic trip mechanism adjustable within a range of 875 to 1750 A. It has an interrupting rating between 35 to 65 kA at 480 V AC, providing strong performance

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5.0

140MT-D9E-C16

This model encompasses a high breaking capacity and operates at a line frequency of 60 Hz. The circuit breaker has a frame size defined as Size D, and it is factory assembled for ease of installation.

Available
5.0

140M-C-ASA11

Operating at a rated voltage of 24 V for both AC and DC, the auxiliary contact block is configured with two poles. It offers a rated insulation voltage of 690 V and utilizes screw terminals for secure

In Stock Ships Today
5.0

140MT-C3E-C20

Engineered to safeguard motors, this circuit breaker is part of the 140M Circuit Breakers series. It features 3 poles and operates at a frequency of 50/60 Hz. The breaker supports a fixed magnetic tri

In Stock Ships Tomorrow
5.0

140M-F-DC10X

This model consists of three poles and offers a breaking capacity of 65 kA at 480 V and 30 kA at 600 V. Encased in a metal housing with an IP66 rating, it meets NEMA Type 3, 4, and 12 standards. It is

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5.0

140MT-C3E-C25

This unit offers standard magnetic trip mechanisms and is factory assembled for reliability and consistency. The breaker comes in a Size C frame and features three poles. It is equipped with screw con

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5.0

140M-P5F-D40

This motor protection circuit breaker operates at a rated power of 200 kW and is suited for 3-phase applications. It consists of 3 poles and supports frequency ranges from 50 to 60 Hz. With an IP rati

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4.9

140M-I8E-D10-TX

The 140M-I8E-D10-TX circuit breaker is an adjustable thermal and fixed magnetic circuit breaker from the 140M series by Allen-Bradley, specifically the Frame I product line.

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4.7

140M-J8E-D10

This motor protection circuit breaker features three poles and incorporates a thermal-magnetic trip unit. It offers an adjustable thermal overload setting range of 80 to 100 A, with a fixed magnetic t

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5.0
Showing 71-80 of 168 results