Circuit and Load Protection products protect solenoids, relay coils, pilot devices, PLC outputs, and more. They are DIN Rail mountable for quick installation and excellent for high-density configurations. We offer electronic circuit protection modules, circuit breakers, and motor protectors including modular protection systems, bi-metallic or solid-state overload relays and surge protectors and filters.
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Overview
In ROK Talk on Industrial Components Episode 6, Bill and Paul talk to Technology Consultant, Simon Johnson, about the history, purpose and unique features of each circuit breaker. Allen-Bradley is famous for acronym use; especially, when it involves circuit breakers-MCCBs, MPCBs, MCPs, MCBs. What is each and how do you know which to use?
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140MT MPCB
Our Bulletin 140MT Motor Protection Circuit Breakers (MPCBs) provide cost-saving magnetic short-circuit and thermal overload protection up to 40A.
140G Circuit Breakers
Our Bulletin 140G Molded Case Circuit Breakers have nine different frame sizes with a range of 10...3000 A.
140G Through the Door Rotary Operator
Simplified panel assembly and operation allows you to control the protected circuit breaker and retain functionality whether the panel door is open or closed.
1489-M Thermal-magnetic Circuit Breakers
These circuit breakers are ideal for extreme ambient conditions, feature fast breaking time, and superior shock and vibration resistance.
188-J Regional Circuit Breakers
These circuit breakers feature fast breaking time, superior shock and vibration resistance.
1492-MC Thermo-magnetic Circuit Breakers
These circuit breakers combine thermal and magnetic trip actions and provide accurate overload and short-circuit protection for conductors and connected equipment.
1492-SPM Supplementary Protectors
These supplementary protectors are are current-limiting and feature dual terminals for wiring and bus bar flexibility.
1492-RCDA Residual Current Devices
These devices detect and interrupt leakage to the ground, helping you prevent injury to exposed personnel and damage to equipment.
1492-GH High-density Circuit Breakers
These circuit breakers incorporate a thermal portion and a magnetic trip function for the combined advantages of two sensing systems.
1492-D DC High Voltage Miniature Circuit Breakers
These circuit breakers provide overcurrent and short circuit protection for higher voltage DC circuits and feature dual terminals and are multi-wire rated for up to four wires.
140UT MCCB
These are current-limiting circuit breaker that provide fixed short-circuit and overcurrent protection, offer high interrupting ratings for 2- and 3-pole devices, and are suitable for back feeding at 240V and 480Y/277V.
140MT MCP
Our Bulletin 140MT Motor Circuit Protectors (D9N version), rated up to 40A, can be applied in combination with Contactors and Overload relays.
140MG MCP
These devices provide a disconnecting means for motor branch circuit, branch-circuit and short-circuit magnetic protection, and manual switching. These devices are rated from 3...1200 A.
140MP MPCB
Our Bulletin 140MP motor protection circuit breakers provide magnetic short-circuit and thermal overload protection up to 32 A, with an interrupting rating @400V of up to 100 kA.
140MG MPCB
These circuit breakers can provide a disconnecting means for motor branch circuit, branch-circuit and short-circuit magnetic protection, overload thermal protection, and manual switching.
194R Fused and Non-fused
These switches offer fused and non-fused versions from 20...1250 A and can be ordered with or without an enclosure.
194U Non-fused Rotary Disconnect Switches
These switches are available in non-fused versions from 30...160 A that permit the use of your own fuse blocks.
1494G Hazardous Location
Our Bulletin 1494G Hazardous Location Safety Disconnect Switches can be used for 30 A, 60 A and 100 A applications.
1494G Heavy Industrial Safety Disconnect Switches
Our Bulletin 1494G Heavy Industrial Safety Disconnect Switches offer 30…600 A switch ratings. They are available in Type 3R/4/12 painted metal, Type 4/4X stainless steel and Type 4/4X non-metallic enclosures.
1494H Industrial
Our Bulletin 1494H Industrial and Bulletin 1494HL General Duty Safety Disconnect Switches are designed for industrial and heavy commercial applications and can also be used in “at motor” disconnect switch applications.
1494U Universal
Our Bulletin 1494U Universal Disconnect Switches provide the extra level of visual ON or OFF indication of a knife-blade disconnect design.
1491 Fuse Blocks
Our Bulletin 1491 Fuse Blocks are designed for general purpose applications. The bases of these blocks, either phenolic or porcelain, are rugged in construction and provide ease in mounting and wiring.
1692 Block-style Electronic Circuit Protection
Our Bulletin 1692 Electronic Circuit Protection Modules protect the secondary circuits of 24V DC switched mode power supplies.
1694 Modular Electronic Circuit Protectors
Our modular Bulletin 1694 Electronic Circuit Protectors protect the secondary circuits of 24V DC switch mode power supply against short circuit or overload. IO-Link enabled versions provide real-time insight into the status of your control system.
