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Square D Circuit Breaker Accessories

Available120 products
These accessories enhance the functionality of Square D miniature and molded case circuit breakers. Circuit breakers protect electrical circuits from damage caused by current overloads or short circuits.

Square D Circuit Breaker Lugs & Lug Kits

Square D Circuit Breaker Lugs & Lug Kits
These lugs and lug kits support wiring for Square D circuit breakers that do not have lugs. They add a mechanical connector that wires can attach to. They also replace lost or damaged lugs.
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Square D Circuit Breaker Locks, Padlocks & Interlocks

Square D Circuit Breaker Locks, Padlocks & Interlocks
These locks, padlocks, and interlocks secure Square D circuit breaker handles. They limit access and accidental tripping of the breaker.
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Square D Circuit Breaker Mounting Accessories

Square D Circuit Breaker Mounting Accessories
These accessories adapt Square D circuit breakers to different mounting styles.
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Square D Circuit Breaker Auxiliary Contacts & Switches

Square D Circuit Breaker Auxiliary Contacts & Switches
These liners fit inside drums and barrels to create barriers between them and their contents. They help mitigate cleaning and extend the container's lifespan.
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Square D Circuit Breaker Handles & Operators

Square D Circuit Breaker Handles & Operators
Square D circuit breaker handles and operators allow a panel to be deenergized before it's opened to protect personnel. They can also be used to operate equipment that's housed in a sealed enclosure. These handles and operators mount directly to the face of the breaker or on a panelboard door and enable personnel to disconnect or reinstate power without touching the breaker itself.
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Square D Circuit Breaker Shunt Trips

Square D Circuit Breaker Shunt Trips
Shunt trips remotely switch Square D circuit breakers off to prevent electrical damage in the event of an emergency, like a fire or storm.
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Square D Circuit Breaker Undervoltage Release

Square D Circuit Breaker Undervoltage Release
Undervoltage releases automatically trigger a power trip in Square D circuit breakers when the voltage falls to between 70% and 35% of the solenoid coil rating. They prevent damage from undervoltages, which can cause data loss or harm electrical systems.
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Square D Circuit Breaker Handle Ties

Square D Circuit Breaker Handle Ties
Handle ties connect Square D circuit breakers to convert two adjacent single pole breakers into a double pole circuit breaker or to tie two circuit breaker handles together. In the event of an overcurrent or short circuit, both breakers will trip to prevent damage to the system.
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Square D Circuit Breaker Cable Operating Mechanisms

Square D Circuit Breaker Cable Operating Mechanisms
Cable operating mechanisms operate two Square D PowerPact B, D, H, J, and L circuit breakers at once. They're typically used in tall, deep enclosures where placement flexibility is needed. These mechanisms connect to a required handle operator.
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Square D Circuit Breaker Ancillary Accessories

Square D Circuit Breaker Ancillary Accessories
These ancillary accessories support Square D circuit breakers and facilitate installation and wiring.
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Note: Product availability is real-time basis and adjusted continuously. The product will be reserved for you when you complete your order.