Circuit Breakers

Circuit Breakers — New & Used

Circuit breakers provide critical electrical protection by automatically interrupting overloads and short circuits in power distribution systems. Designed for safety, reliability, and compliance with UL and IEC standards, they safeguard motors, panels, and equipment from damage caused by electrical faults. Available in molded case, miniature, and thermal-magnetic types, our inventory covers applications from light commercial to heavy industrial systems.

At Surplus Select, we carry a continually updated selection of new and used OEM circuit breakers from trusted brands like Square D, Siemens, Eaton, ABB, Allen-Bradley, and GE. Our surplus stock includes single-pole, double-pole, and three-pole breakers at a fraction of standard distributor pricing, with verified condition and fast nationwide shipping.

Price Match — We match any authorized distributor on identical in-stock parts, so you can source parts at surplus pricing with distributor-level assurance.

Trade-In Credit — Have quality new surplus items? Trade them in for store credit toward the parts you actually need.

Fast U.S. Shipping — Most orders ship same or next business day from our U.S. warehouse to keep your systems protected and online.

Find Your Breaker Fast (Search-First)

Search your part number (e.g., QO120, BAB3030, HFD3100).
No PN? Try specs: “100A 3-pole breaker” or “20A single-pole 240V breaker”.
Need a specific OEM? Add the brand (e.g., Siemens QP120 or Square D QO230).

Applications & Use Cases

Industrial panels & MCCs: Protects motors, transformers, and feeders from electrical faults.
Commercial buildings: Reliable protection for lighting, HVAC, and power distribution systems.
Machine control cabinets: Ensures safety and compliance in automated and manufacturing environments.
Residential & light commercial: UL-listed breakers for standard load centers and service panels.
Renewable & power backup systems: Compatible with solar arrays, inverters, and generators.

Why Buy Circuit Breakers from Surplus Select

New & Used Options: OEM breakers tested for performance, safety, and continuity.
Trusted Brands: Square D, Siemens, Eaton, ABB, Allen-Bradley, and GE.
Trade-In Credit: Turn surplus breakers into store credit toward future purchases.
Fast Shipping: Most orders ship same or next business day across the U.S.