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Circuit Breakers & Disconnectors
Upgrade your electrical system with used circuit breakers & disconnectors. Popular brands include Siemens, Schneider, Eaton & more.
Showing 1–20 of 66 results
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Eaton / Cutler-Hammer QCGF1020 QuickLag Ground Fault Circuit Breaker, 20A
$128.25 Add to cart -
Siemens NF353 Safety Disconnect Switch Enclosure, Non-Fused, 100A, 3P, 600VAC
$213.75 Add to cart -
Siemens GF324N General Duty Safety Switch, Type VBII, 240V, 200A, 3P, 4 Wire
$427.50 Add to cart -
Eaton CKDPV4200W Circuit Breaker, Series C, 200A, 5000AIC at 1000VDC, 4 Pole
$2,446.25 Add to cart -
Allen-Bradley 194R-30-C3 Terminal Cover
$9.50 Add to cart -
Allen-Bradley 1492-SPM2C060 Supplementary Protector, Ser D, 6 Amp, 2 Pole
$80.75 Add to cart -
States Products 20K02-B SJK 2 Pole Test Switch
$57.00 Add to cart -
Allen-Bradley 1492-SPM2C040 Supplementary Protector Ser D, 4 Amp, 2 Pole
$95.00 Add to cart -
Square D 9422A1 SER. B Operating Handle, flange mounter, 6″
$76.00 Add to cart -
Square D 9422TDF63 Fusible Disconnect Switch ,60A, 600VAC
$365.00 Add to cart -
Square D 9422CKA30 Series A Breaker Operating Mechanism, 36″ cable
$223.00 Add to cart -
Square D 9421LS8 Standard Shaft Kit
$19.00 Add to cart -
Square D 9422A1 Flange Mounted Operating Mechanism Variable Depth, 6″ Handle
$118.00 Add to cart -
The Durham 2-1005F-00 Test Switch 2Pole, 30A, 600VAC w/ 7941FC-00 Black Cover
$61.00 Add to cart -
Square D Schneider Electric JDL36200 PowerPact Circuit Breaker, 200A, 3P 600VAC
$783.75 Add to cart -
Allen-Bradley 1489-A2C100 Miniature Circuit Breaker Ser A, 2P, 10A, 480Y/277V
$61.75 Add to cart -
Allen-Bradley 1489-M2C100 Miniature Circuit Breaker Ser D 480Y/277V, 2P, 10A
$104.50 Add to cart -
Allen-Bradley 1489-M3C350 Miniature Circuit Breaker Ser D 35A, 3P, 480Y/277V
$190.00 Add to cart -
Siemens 3RV2021-4DA10 Motor Protection Circuit Breaker, 18-25A
$128.25 Add to cart -
Siemens 3RV1021-4DA10 Motor Protection Circuit Breaker, 20-25A
$128.25 Add to cart