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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813S Voltage Monitoring
Our Bulletin 813S Voltage Monitoring Relays offer state-of-the-art supplementary protective functions that you can easily add and apply to your motor control circuits.
817S Thermistor Monitoring
Our Bulletin 817S Thermistor Monitoring Relays protects equipment from over-temperature conditions and offers supplementary motor protective functions that you can easily add and apply to your motor control circuits.
809S Current Monitoring
Our Bulletin 809S Current Monitoring Relays provides under- and over-current detection and supplementary protective functions that are easily added and applied to your motor control circuits.
814S Power Monitoring
Our Bulletin 814S Power Factor Monitoring Relays and Power (kW) Monitoring Relays offer state-of-the-art supplementary protective functions that you can easily add and apply to your motor control circuits.
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.
1494C Cable-operated
Our Bulletin 1494C Cable-operated Disconnect Switches are discontinued and no longer available for sale. Customers are encouraged to migrate to our Bulletin 1494U Universal Disconnect Switches.
1494R Variable-depth
Our Bulletin 1494R Variable-depth Door-mounted Rotary Disconnect Switches are discontinued and no longer available for sale. Customers are encouraged to migrate to our Bulletin 194R Rotary Disconnect Switches.
1494V Variable Depth
Our Bulletin 1494V Variable Depth Flange-mounted Disconnect Switches are discontinued and no longer available for sale. Customers are encouraged to migrate to our Bulletin 1494U Universal Disconnect Switches.
1494F Fixed-depth
Our Bulletin 1494F Fixed-depth Flange-mounted Disconnect Switches are discontinued and no longer available for sale. Customers are encouraged to migrate to our Bulletin 1494U Universal Disconnect Switches.
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.
1494G Hazardous Location
Our Bulletin 1494G Hazardous Location Safety Disconnect Switches can be used for 30 A, 60 A and 100 A applications.
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.
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.
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.
825-P Modular Protection System
Our Bulletin 825-P Modular Protection Systems are discontinued and no longer available for sale. Customers are encouraged to migrate to the E300 Electronic Overload Relays.
592 NEMA Eutectic Alloy
Bulletin 592 Eutectic Alloy Overload Relays are thermal type devices.
193 IEC E300 Relays
Our Bulletin 193/592 E300™ (networked) and E200™ (non-networked) offer a modular design, communication options, diagnostic information, simplified wiring, and integration into Logix technology.
193 IEC E100 Relays
Our E100 Electronic Overload Relays are the next generation basic-tier electronic overload relay. These relays include enhanced features to better safeguard your motor protection investments.
193 IEC E1 Plus Relays
Our Bulletin 193 IEC and 592 NEMA E1 Plus Electronic Overload Relays are discontinued and no longer available for sale. To support your transition, customers are encouraged to migrate to our E100 Electronic Overload Relays.
193-T1 CT IEC Bimetallic Standard
Our Bulletin 193-T1 IEC Bimetallic Overload Relays are designed for use with Bulletin 100-C Contactors and Bulletin 104-C Reversing Contactors.
193-K IEC Bimetallic Miniature
Our Bulletin 193-K IEC Miniature Bimetallic Overload Relays are designed for use with Bulletin 100-K Contactors and Bulletin 104-K Reversing Contactors. These thermal overload relays include a differential mechanism for sensitivity to phase-loss conditions.
4983-PF Panel Mount Filters
Our Bulletin 4983-PF Panel Mount Filters provide noise protection.
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?