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Circuit & Load Protection

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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CIRCUIT BREAKERS

1489-M Thermal-Magnetic Circuit Breakers

UL 489 Listed and IEC certified, these breakers offer fast tripping and high resistance to shock and vibration, making them ideal for harsh environments.

1492-RCDA Residual Current Devices

Protects against ground leakage currents to reduce the risk of electric shock and equipment damage. Available in 2- and 4-pole versions with sensitivities from 30 mA to 500 mA. Note: The previous 1492-RCD series has been discontinued. Migrate to 1492-RCDA for updated compliance and enhanced protection features.

DC High Voltage Miniature Circuit Breakers

1492-D DC High Voltage Miniature Circuit Breakers

Providing overcurrent and short-circuit protection for high-voltage DC circuits, these breakers support up to four wires and are available in 1- and 2-pole versions.

1492-SPM Supplementary Protectors

Designed for equipment protection, these current-limiting protectors feature dual terminals for flexible wiring and are calibrated for 40°C ambient conditions.

1492-GH High-Density Miniature Circuit Breakers

1492-GH High-Density Miniature Circuit Breakers:

Compact, push-to-set breakers designed for high-density applications, offering reliable protection in limited spaces.

1492-thermal-magnetic-circuit-breakers

1492-MC Thermal-Magnetic Miniature Circuit Breakers

These breakers provide thermal-magnetic protection in a compact form factor, suitable for a variety of applications requiring reliable circuit protection.

MOTOR PROTECTION CIRCUIT BREAKERS

140MG Motor Circuit Protectors

Provide a disconnecting means for motor branch circuits, offering both magnetic and thermal protection, with ratings from 25 to 150A

140G Molded Case Circuit Breakers

Offer reliable protection against overload, short circuit, and ground faults. Available in nine frame sizes from 10 A to 3000 A, they support global applications with various breaking capacities and accessories.

140MT Motor Protection Circuit Breakers

140MT Motor Protection Circuit Protectors

Provide cost-saving magnetic short-circuit and thermal overload protection up to 45A. Note: 140M Motor Circuit Protectors Discont. Migrate to the 140MT series for improved performance and broader current range.

140MP Motor Protection Circuit Breakers

140MP Motor Protection Circuit Breakers

Offer magnetic short-circuit and thermal overload protection up to 32A, with high interrupting capacity, suitable for two-component motor starters.

CONTROL & LOAD SWITCHES

194L Control & Load Switches

Flexible, adaptable switches suitable for manual motor control and disconnect applications, available in multiple mounting versions.

IEC Load Switches

194E Load Switches

Designed for local motor isolation and disconnect applications, available in 3- and 6-pole versions with various accessories.

DISCONNECT SWITCHES

Rotary Disconnect Switches

Available in fused and non-fused versions from 20 to 1250A, suitable for various mounting styles.

Safety Disconnect Switches: Designed for industrial and hazardous applications, offering 30A to 200A ratings

Safety Disconnect Switches

Designed for industrial and hazardous applications, offering 30A to 200A ratings.

1494U Universal Disconnect Switches

Visible Blade Disconnect Switches

Designed for industrial and hazardous applications, offering 30A to 200A ratings. 1494U Universal Disconnect Switches.

1494U Universal Disconnect Switches

1494F Fixed-depth Flange-mounted Disconnect Switches

Discontinued. Customers are encouraged to migrate to our Bulletin 1494U Universal Disconnect Switches.

1694 Modular Electronic Circuit Protectors

Compact modules offering protection for 24V DC circuits against short circuits or overloads, available in single or double channels with fixed or adjustable current ratings

1692 Block-style Electronic Circuit Protectors

Protect secondary circuits of 24V DC power supplies, monitoring supply voltage and load currents, with local and remote control capabilities.

M100 Electronic Motor Starter Family

Compact, all-in-one starters offering soft start, overload protection, and easy installation. Ideal for space-saving motor control in industrial applications.

1492-FB Fuse Holders

Ideal for OEM applications, these holders support Class CC, J, and Midget fuses, providing safe and convenient installation.

140F Fuse Holders

Accommodate UL Class CC or Midget fuses and IEC 10×38 mm fuses, with options for blown fuse indication and lockable open positions.

Allen-Bradley E300/E200 Electronic Overload Relays

E300/E200 Electronic Overload Relays

Offer modular designs for flexibility and convenience, suitable for both NEMA and IEC applications, with various protection and communication options.

Allen-Bradley E100 Electronic Overload Relays

E100 Electronic Overload Relays

Next-gen basic-tier overload relays offering improved accuracy, self-powered design, lower heat dissipation, and broad application compliance.

Allen-Bradley IEC Miniature Bimetallic Overload Relays

IEC Miniature Bimetallic Overload Relays

Designed for IEC applications, these relays provide reliable motor protection when used with contactors.

Allen-Bradley IEC Miniature Bimetallic Overload Relays

IEC Bimetallic Overload Relays

The 193-T1 IEC Bimetallic Overload Relays are designed for use with 100-C Contactors and 104-C Reversing Contactors.

NEMA Eutectic Alloy Overload Relays

NEMA Eutectic Alloy Overload Relays

Thermal-type devices that protect motors and wiring against overheating due to excessive overcurrents, featuring a trip-free mechanism.

825-P Modular Protection System

Discontinued. Customers are encouraged to migrate to the E300 Electronic Overload Relays for enhanced protection features.

Medium Voltage Bulletin 857 Motor & Feeder Protection Relays

Discontinued. To support your transition, we recommend that you migrate to our Bulletin 193/592 E300™ (networked) and E200™ (non-networked) Electronic Overload Relays.

Medium Voltage Bulletin 865 Motor and Feeder Protection Relays

Discontinued. To support your transition, we recommend that you migrate to our Bulletin 193/592 E300™ (networked) and E200™ (non-networked) Electronic Overload Relays.

MONITORING RELAYS

MachineAlert™ Motor Protection Relays: Provide supplementary protective functions, including voltage, current, thermistor, power, and power factor-based protection, enhancing equipment safety and minimizing downtime.

809S Current Monitoring Relay

Provides under- and overcurrent detection with adjustable settings for delay and hysteresis. Ideal for single-phase AC/DC motor protection.

813S Voltage Monitoring Relay

Monitors phase loss, under- and over voltage, phase imbalance, and phase sequence in three-phase systems. Features adjustable thresholds and delays.

814S Power Monitoring Relay

Offers under- and over-power (kW) and power factor monitoring for three-phase systems. Enhances motor protection by detecting load anomalies.

817S Thermistor Monitoring Relay

Protects equipment from over-temperature conditions by monitoring PTC thermistors. Includes options for automatic, manual, or remote reset.

4983-DD DIN Rail Dataline Surge Protectors

Safeguard industrial communication networks using a combination of gas discharge tubes and fast-clamping diodes.

4983-PF Panel Mount Filters

Provide noise protection by monitoring and cleaning high-frequency disturbances that can cause premature equipment aging.

4983-DC DIN Rail Filter and Surge Protective Device

Combines filtering and surge protection in a compact package, protecting against transients and noise.

Allen-Bradley DIN Rail AC Surge Protectors

4983-DS DIN Rail AC Surge Protectors

Clamp high-voltage surges using MOVs, protecting 1- and 3-phase systems in main electrical panels.

4983-DH Heavy-Duty AC Surge Protectors

Combine high-energy varistor networks with gas discharge tubes for enhanced protection levels and longevity.