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Accessories

Circuit breaker accessories improve the functionality, safety, and manageability of circuit breakers within electrical systems. From auxiliary contacts, shunt trips, alarm switches, handle locks, and more, find the solutions that meet your operational requirements. Whether it’s for industrial, commercial, or residential, the right accessories can significantly improve circuit breaker performance and versatility. LiveWire Electrical Supply carries a range of circuit breaker accessories from trusted industry brands like GE/ABB, Square D, and Siemens.

Since 2005, LiveWire Electrical Supply has been providing quality parts and fast shipping for in-stock circuit breakers, motor control, fuses, switchgear, conduit fittings, and more—including hard-to-find items. Need help finding products? For 24/7 sales assistance, call 1-650-692-0700.

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Showing 1825–1872 of 1908 results

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Frequently Asked Questions

LiveWire Electrical Supply is your trusted source for hard-to-find electrical supplies, offering a wide selection of circuit breakers, fuses, safety switches, and industrial control products—all ready to ship the same day. With real-time stock and price checks, you can easily find what you need at competitive prices, whether for residential, commercial, or industrial projects. Our experts are available to assist with part identification and technical support, while our expedited shipping options and free UPS Ground shipping on qualifying orders ensure fast delivery. For 24/7 assistance and personalized support, call 1-650-692-0700.

What are circuit breaker accessories?

Circuit breaker accessories are supplementary components or devices that are used to enhance the functionality, safety, or monitoring capabilities of circuit breakers. Circuit breaker accessories are designed to complement the operation and performance of circuit breakers and can vary depending on the specific application and requirements. Some common circuit breaker accessories include auxiliary switches, shunt trips, ground fault protection, and bell alarms.
The choice of circuit breaker accessories depends on the type of circuit breaker, its intended application, and the specific requirements of the electrical distribution system.

What is the function of auxiliary switch blocks?

Auxiliary switch blocks are additional components typically attached to electrical devices like circuit breakers, providing extra electrical contacts and control points. They serve multiple functions, including remote monitoring of device status, control of other equipment based on device state, interlocking for safety, providing feedback on actions taken, and facilitating integration into larger control systems. These switch blocks play a crucial role in enhancing the functionality and monitoring capabilities of various electrical devices, making them essential in industrial and commercial applications for efficient and safe operations.

How do I know if I need an auxiliary switch or an auxiliary relay?

To determine whether you need an auxiliary switch or an auxiliary relay, consider your application’s functionality requirements, electrical load, space constraints, and budget. If you need basic on/off control or monitoring for low-voltage, low-current applications with limited space, an auxiliary switch is cost-effective and straightforward. However, for more complex control operations, high-voltage or high-current loads, or advanced features like timers, an auxiliary relay with multiple contacts and versatility is the preferred choice. The decision hinges on the specific demands of your application, ensuring that you select the right component to meet your needs effectively.

Shipping and Returns

Easy Returns
You may return items within 30 days of delivery for a refund. Please view our return policy here.

FREE Shipping on orders over $100

We offer one to five-day delivery in the United States. The variation depends on the chosen shipping speed and the warehouse location for the product(s). Please view our shipping policy here.

Same-Day Shipping

We strive to ship out your items within one business day. The shipping process may take up to 5 business days on some occasions. Feel free to contact us if your order is time sensitive. Call 1-650-692-0700 or email sales@livewiresupply.com for help.

Limited Warranty

Warranty Gurantee
LiveWire certifies that every product shipped out of stock, by manufacturers and by fulfillment partners will be free of functional defects for one (1) year. If any part is found with functional defects during the warranty period, LiveWire will send out a replacement item for free. Warranty items must be returned to LiveWire for inspection and must be postmarked within the warranty period.

Contact our support team by emailing support@livewiresupply.com or calling 1-650-692-0700 during normal business hours for help with your warranty claim.

Disclaimer: Livewire Electrical Supply is not affiliated with, authorized by, or acting as a representative for the brands showcased on our platform. Please be aware that products sold by Livewire Electrical Supply do not include the original manufacturer’s warranty. All trademarks, brand names, and logos featured on this website belong to their respective owners. It’s important to note that this website is not endorsed, sanctioned, or approved by any of the manufacturers or trademark holders mentioned.

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LiveWire Electrical Supply PO Box 4221 Burlingame, CA 94011

Normal Business Hours: 7:00am — 5:00pm (Pacific Time)

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