The Allen-Bradley Bulletin 140 series is composed of motor protection circuit breakers that are designed to give reliable short-circuit and overload protection. These small breakers control motors with superior levels of precision and safety in industrial applications. Featuring adjustable trip settings and high interrupting capacity, the Bulletin 140 circuit breakers optimally safeguard motors and connected equipment. Bulletin 140 breakers also increase reliability in the system by preventing damage and minimizing downtime in automation environments.
Browse available units in our catalog of Bulletin 140.
This motor starter operates within a frequency range of 40 to 60 Hz. It features a single pole design and is suitable for internal mounting. The IP20 protection rating ensures adequate defense against
This motor starter features a single pole design, rated current of 6.0 A, and an internal mounting configuration. With IP20 protection, it is designed for environments where dust and moisture exposure
This bus bar accessory accommodates five sets of connections, offering a pitch of 54 mm between modules. It is suitable for installation on a DIN rail or directly onto panels and operates within a tem
This 3-pole device is constructed for 3-phase operations and rated for voltages up to 600 V AC in accordance with UL and CSA standards. Its frequency handling is between 40 and 60 Hz. The frame size m
With a compact design featuring three poles, this contactor is compliant with IEC standards. An open-style enclosure allows for easy access, and optional auxiliary contacts provide additional versatil
This versatile motor starter features two poles and is rated for IP20 protection. It has a continuous duty cycle and produces a power loss of 7 W. Backing up the system, it accommodates 16 fuse rating
This current limiter supports AC voltage ratings of up to 600 volts with a rated current of 65 A. It is compatible with Bulletin 140-MN devices and accommodates wire sizes ranging from #14 to #6 AWG.
This busbar commoning link supports a maximum rated insulation voltage of 690 V according to IEC standards. It features three poles and operates efficiently in a temperature range of 0 to 40 °C. Addit
Designed for frames G, H, I, and J, the 140-G-EA1J circuit breaker operates efficiently at a nominal rated voltage of 24 V DC. It includes an internal accessory and can effectively interrupt currents
This bus bar accessory supports three-phase systems and consists of a copper conductor. It is rated for thermal current up to 63 A. The 140-L13 can be mounted either on DIN-rail or directly to panels