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 auxiliary contact features a normally closed (N.C.) arrangement and is compact in size with dimensions of 3.25 inches in length, 0.25 inches in width, and 1.75 inches in height. It requires compa
This commoning link is suitable for lineside connections and is compatible with two Bulletin 140 starters. It features a spacing of 54 mm and supports the 140-DC1 adapter plate for flexible integratio
The Allen Bradley 140-L11 commoning link supports a maximum current rating of 65A and is suitable for lineside connections. This product has a spacing requirement of 54 millimeters and is compatible w
As a three-pole manual motor starter, the 140-MN-0400 efficiently handles motor switching for AC‑2 and AC‑3 utilization categories. It features a rated short-circuit breaking capacity of 69 kA, ensuri
This motor protection circuit breaker belongs to the Bulletin 140 series. It is rated for a maximum operational current of 4 amperes with a current adjustment range of 2.5 to 4 amperes. The device is
This motor protector and starter operates effectively within a frequency range of 40 to 60 Hz, delivering power ratings between 4 to 7.5 kW. It features a thermal and magnetic short circuit trip mecha
Within the Bulletin 140 series, this manual motor starter is suitable for 3-phase use with a range of 1.0 to 1.6 A for adjustable overload currents. It can trip instantaneously at 18 A and has a short
Designed for three-phase use, the 140-MN-0630 operates within a frequency range of 40 to 60 Hz and features a three-pole configuration. Its enclosure meets IP 20 specifications, providing adequate pro
This motor starter features a dual-pole design, providing robust functionality for electrical systems. It can function within a minimum frequency of 40 Hz and a maximum frequency of 60 Hz. The IP20 pr
This adapter plate functions as a spare part or accessory for mounting Bulletin 140 motor starters. It operates effectively in ambient temperatures ranging from 32 to 104 degrees Fahrenheit, and can b