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Square D Circuit Breakers

Shop used and surplus Square D circuit breakers in stock at our Ventura, California warehouse, including QO, PowerPact and molded case breakers. Most are used and shown as-is in the photos; new old stock (NOS) breakers are marked as new.

Every order ships free, orders placed by 2PM PST ship the same day (Monday to Friday), and returns are free within 60 days.

Have surplus Square D breakers? We buy Square D surplus.

Showing 49–96 of 128 products
Square D KW-346 Circuit Breaker Switch 120/240 VAC 10,000 Amp Interrupting Rating

Square D KW-346 Circuit Breaker Switch 120/240 VAC 10,000 Amp Interrupting Rating Used condition, with normal signs of wear. Comes as shown, please check pics.

Square D KW-346 Circuit Breaker Switch 120/240 VAC 10,000 Amp Interrupting Rating Used condition,...

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$12.95
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Square D M-1476 Circuit Breaker Switch Type HACR 120/240 VAC

Square D M-1476 Circuit Breaker Switch Type HACR 120/240 VAC Used condition, with normal signs of wear. Comes as shown, please check pics.

Square D M-1476 Circuit Breaker Switch Type HACR 120/240 VAC Used condition, with normal signs of...

In Stock
$12.95
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Square D AB-5974 Circuit Breaker Switch 10kA 120/240V

Square D AB-5974 Circuit Breaker Switch 10kA 120/240V Used condition, with normal signs of wear. Comes as shown, please check pics.

Square D AB-5974 Circuit Breaker Switch 10kA 120/240V Used condition, with normal signs of wear. ...

In Stock
$12.95
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Square D M-1476 HACR Type Circuit Breaker Switch 120/240V

Square D M-1476 HACR Type Circuit Breaker Switch 120/240V Used condition, with normal signs of wear. Comes as shown, please check pics.

Square D M-1476 HACR Type Circuit Breaker Switch 120/240V Used condition, with normal signs of we...

In Stock
$12.95
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Square D LK-2864 Circuit Breaker Switch 10,000 AMPS 120/240 VAC

Square D LK-2864 Circuit Breaker Switch 10,000 AMPS 120/240 VAC Used condition, with normal signs of wear. Comes as shown, please check pics.

Square D LK-2864 Circuit Breaker Switch 10,000 AMPS 120/240 VAC Used condition, with normal signs...

In Stock
$10.95
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Square D HL-266 Circuit Breaker Switch 2 Pole 120/240 VAC 40 Amp

Square D HL-266 Circuit Breaker Switch 2 Pole 120/240 VAC 40 Amp Used condition, with normal signs of wear. Comes as shown, please check pics.

Square D HL-266 Circuit Breaker Switch 2 Pole 120/240 VAC 40 Amp Used condition, with normal sign...

In Stock
$11.95
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Square D LX-856 Circuit Breaker Switch 120/240 VAC

Square D LX-856 Circuit Breaker Switch 120/240 VAC Used condition, with normal signs of wear. Comes as shown, please check pics.

Square D LX-856 Circuit Breaker Switch 120/240 VAC Used condition, with normal signs of wear. Com...

In Stock
$10.95
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Square D LM-8B51 Circuit Breaker Switch 120/240 VAC

Square D LM-8B51 Circuit Breaker Switch 120/240 VAC Used condition, with normal signs of wear. Comes as shown, please check pics.

Square D LM-8B51 Circuit Breaker Switch 120/240 VAC Used condition, with normal signs of wear. Co...

In Stock
$10.95
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Square D L-4220 Circuit Breaker Switch HACR Type 15 Amp

Square D L-4220 Circuit Breaker Switch HACR Type 15 Amp Used condition, with normal signs of wear. Comes as shown, please check pics.

Square D L-4220 Circuit Breaker Switch HACR Type 15 Amp Used condition, with normal signs of wear...

In Stock
$10.95
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Square D LP-3591 Circuit Breaker Switch 1 Pole 120/240 VAC

Square D LP-3591 Circuit Breaker Switch 1 Pole 120/240 VAC Used condition, with normal signs of wear. Comes as shown, please check pics.

Square D LP-3591 Circuit Breaker Switch 1 Pole 120/240 VAC Used condition, with normal signs of w...

In Stock
$10.95
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Square D 235-07 Circuit Breaker Switch 20A 120/240V

Square D 235-07 Circuit Breaker Switch 20A 120/240V Used condition, with normal signs of wear. Comes as shown, please check pics.

Square D 235-07 Circuit Breaker Switch 20A 120/240V Used condition, with normal signs of wear. Co...

In Stock
$12.95
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Square D LL-7872 HACR Type Circuit Breaker Switch 20 Amp for CVAC Refrigeration

Square D LL-7872 HACR Type Circuit Breaker Switch 20 Amp for CVAC Refrigeration Used condition, with normal signs of wear. Comes as shown, please check pics....

Square D LL-7872 HACR Type Circuit Breaker Switch 20 Amp for CVAC Refrigeration Used condition, w...

In Stock
$12.95
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Square D KT-477 Circuit Breaker Switch 2 Pole 120/240 VAC

Square D KT-477 Circuit Breaker Switch 2 Pole 120/240 VAC Used condition, with normal signs of wear. Comes as shown, please check pics.

Square D KT-477 Circuit Breaker Switch 2 Pole 120/240 VAC Used condition, with normal signs of we...

In Stock
$12.95
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Square D M-9,968 70AMP Circuit Breaker Switch 10 kA

Square D M-9,968 70AMP Circuit Breaker Switch 10 kA Used condition, with normal signs of wear. Comes as shown, please check pics.

Square D M-9,968 70AMP Circuit Breaker Switch 10 kA Used condition, with normal signs of wear. Co...

In Stock
$16.95
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Square D 15 AMP 120/240 VAC Circuit Breaker Switch

Square D 15 AMP 120/240 VAC Circuit Breaker Switch Used condition, with normal signs of wear. Comes as shown, please check pics.

Square D 15 AMP 120/240 VAC Circuit Breaker Switch Used condition, with normal signs of wear. Com...

In Stock
$12.95
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Lot of 2 Square D 20 Amp 10000 AIC 120/240 VAC Circuit Breaker Switches

Lot of 2 Square D 20 Amp 10000 AIC 120/240 VAC Circuit Breaker Switches Used condition, with normal signs of wear. Comes as shown, please check...

Lot of 2 Square D 20 Amp 10000 AIC 120/240 VAC Circuit Breaker Switches Used condition, with norm...

In Stock
$19.95
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Square D 30 Amp Circuit Breaker Switch 10000 AIC 120/240 VAC

Square D 30 Amp Circuit Breaker Switch 10000 AIC 120/240 VAC  Brand:Square D Manufacturer:Square D MPN:Does Not Apply Model Number:Does Not Apply Used condition, with...

Square D 30 Amp Circuit Breaker Switch 10000 AIC 120/240 VAC  Brand:Square D Manufacturer:Square ...

In Stock
$14.95
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Square D 20 Amp Circuit Breaker Switch 10000 AIC 120/240 VAC

Square D 20 Amp Circuit Breaker Switch 10000 AIC 120/240 VAC Used condition, with normal signs of wear. Comes as shown, please check pics.

Square D 20 Amp Circuit Breaker Switch 10000 AIC 120/240 VAC Used condition, with normal signs of...

In Stock
$18.95
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Square D Circuit Breaker Switch 20 Amp 10kA 120/240V

Square D Circuit Breaker Switch 20 Amp 10kA 120/240V Used condition, with normal signs of wear. Comes as shown, please check pics.

Square D Circuit Breaker Switch 20 Amp 10kA 120/240V Used condition, with normal signs of wear. C...

In Stock
$14.95
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Square D 120/240 20 Amp Circuit Breaker 10kA TIPO QO

Square D 120/240 20 Amp Circuit Breaker 10kA TIPO QO Used condition, with normal signs of wear. Comes as shown, please check pics.

Square D 120/240 20 Amp Circuit Breaker 10kA TIPO QO Used condition, with normal signs of wear. C...

In Stock
$16.95
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NEW Square D Circuit Breaker Switch 1 Pole 20A 10kA 120/240V

NEW Square D Circuit Breaker Switch 1 Pole 20A 10kA 120/240V NOS, surplus no box. Minor storage wear, comes as shown

NEW Square D Circuit Breaker Switch 1 Pole 20A 10kA 120/240V NOS, surplus no box. Minor storage w...

In Stock
$9.95
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Square D M-1155 Circuit Breaker Switch 30 Amps 10 kA 120/240V

Square D M-1155 Circuit Breaker Switch 30 Amps 10 kA 120/240VUsed condition, with normal signs of wear. Comes as shown, please check pics.

Square D M-1155 Circuit Breaker Switch 30 Amps 10 kA 120/240VUsed condition, with normal signs of...

In Stock
$14.95
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Square D TIP QOB HACR 20 Amp Circuit Breaker 10kA 120/240V

Square D TIP QOB HACR 20 Amp Circuit Breaker 10kA 120/240VUsed condition, with normal signs of wear. Comes as shown, please check pics.

Square D TIP QOB HACR 20 Amp Circuit Breaker 10kA 120/240VUsed condition, with normal signs of we...

In Stock
$19.95
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Square D 60 Amp Circuit Breaker Switch 10 kA 120/240V

Square D 60 Amp Circuit Breaker Switch 10 kA 120/240V Used condition, with normal signs of wear. Comes as shown, please check pics.

Square D 60 Amp Circuit Breaker Switch 10 kA 120/240V Used condition, with normal signs of wear. ...

In Stock
$15.95
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Square D Circuit Breaker Switch 15A 10,000 AIC 120/240V

Square D Circuit Breaker Switch 15A 10,000 AIC 120/240V  Brand:Square D Manufacturer:Square D MPN:Does Not Apply Model Number:Does Not Apply Used condition, with normal signs...

Square D Circuit Breaker Switch 15A 10,000 AIC 120/240V  Brand:Square D Manufacturer:Square D M...

In Stock
$9.95
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Square D 30 Amp Circuit Breaker 10kA 120/240V TIPO QOB HACR

Square D 30 Amp Circuit Breaker 10kA 120/240V TIPO QOB HACRUsed condition, with normal signs of wear. Comes as shown, please check pics.

Square D 30 Amp Circuit Breaker 10kA 120/240V TIPO QOB HACRUsed condition, with normal signs of w...

In Stock
$19.95
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SQUARE D L-5687 Circuit Breaker Switch 10 kA 120/240V

SQUARE D L-5687 Circuit Breaker Switch 10 kA 120/240V Used condition, with normal signs of wear. Comes as shown, please check pics.

SQUARE D L-5687 Circuit Breaker Switch 10 kA 120/240V Used condition, with normal signs of wear. ...

In Stock
$15.95
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Square D 20 amps Circuit Breaker 10 kA ON/Off TIPO QO

Square D 20 amps Circuit Breaker 10 kA ON/Off TIPO QO Used condition, with normal signs of wear. Comes as shown, please check pics.

Square D 20 amps Circuit Breaker 10 kA ON/Off TIPO QO Used condition, with normal signs of wear. ...

In Stock
$16.95
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Square D 15A Circuit Breaker 10 kA TIPO Q0 120/240V

Square D 15A Circuit Breaker 10 kA TIPO Q0 120/240V Used condition, with normal signs of wear. Comes as shown, please check pics.

Square D 15A Circuit Breaker 10 kA TIPO Q0 120/240V Used condition, with normal signs of wear. Co...

In Stock
$16.95
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Square D 15A Circuit Breaker 10 kA TIPO Q0 120/240V #14-#8 AWG

Square D 15A Circuit Breaker 10 kA TIPO Q0 120/240V #14-#8 AWGUsed condition, with normal signs of wear. Comes as shown, please check pics.

Square D 15A Circuit Breaker 10 kA TIPO Q0 120/240V #14-#8 AWGUsed condition, with normal signs o...

In Stock
$19.95
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Square D M9,968 Circuit Breaker Switch 10kA 120/240V

Square D M9,968 Circuit Breaker Switch 10kA 120/240V  Brand:Square D Manufacturer:Square D MPN:M9,968 Model Number:M9,968 Used condition, with normal signs of wear. Comes as shown,...

Square D M9,968 Circuit Breaker Switch 10kA 120/240V  Brand:Square D Manufacturer:Square D MPN:M9...

In Stock
$15.95
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Square D N-287 50 Amp 120/240V Circuit Breaker TPO00

Square D N-287 50 Amp 120/240V Circuit Breaker TPO00Used condition, with normal signs of wear. Comes as shown, please check pics.

Square D N-287 50 Amp 120/240V Circuit Breaker TPO00Used condition, with normal signs of wear. Co...

In Stock
$16.95
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Square D OPF-360000-G2 2000A 600VAC 3 Pole Circuit Breaker Electrically Operated

Square D OPF-360000-G2 2000A 600VAC 3 Pole Circuit Breaker Electrically Operated  Includes all as shown, please inspect pics 299.99 Freight charge in US only Used condition,...

Square D OPF-360000-G2 2000A 600VAC 3 Pole Circuit Breaker Electrically Operated  Includes all as...

In Stock
$949.95
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Square D On/Off Circuit Breaker Disconnect Load Switch 5-1/2''

Square D On/Off Circuit Breaker Disconnect Load Switch 5-1/2" Used condition, with normal signs of wear. Comes as shown, please check pics.

Square D On/Off Circuit Breaker Disconnect Load Switch 5-1/2" Used condition, with normal signs o...

In Stock
$18.95
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Square D FAL340151253 Thermal Magnetic Circuit Breaker 3 Pole 15A 60 Hz 240V

Square D FAL340151253 Thermal Magnetic Circuit Breaker 3 Pole 15A 60 Hz 240V  Brand:Square D Manufacturer:Square D MPN:FAL340151253 Model Number:FAL340151253 Used condition, with normal signs...

Square D FAL340151253 Thermal Magnetic Circuit Breaker 3 Pole 15A 60 Hz 240V  Brand:Square D Manu...

In Stock
$449.95
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Square D FAL340301253 Thermal Magnetic Circuit Breaker 30A 240V 3 Pole Unit

Square D FAL340301253 Thermal Magnetic Circuit Breaker 30A 240V 3 Pole Unit Used condition, with normal signs of wear. Comes as shown, please check pics.

Square D FAL340301253 Thermal Magnetic Circuit Breaker 30A 240V 3 Pole Unit Used condition, with ...

In Stock
$899.95
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Schneider Electric Square D FAL340151253 Type FAL Thermal Magnetic Circuit Breaker 3 Pole 240V 15A

Schneider Electric Square D FAL340151253 Type FAL Thermal Magnetic Circuit Breaker 3 Pole 240V 15A  Brand:SCHNEIDER ELECTRIC Manufacturer:Square D MPN:FAL340151253 Model Number:FAL340151253 Used condition, with...

Schneider Electric Square D FAL340151253 Type FAL Thermal Magnetic Circuit Breaker 3 Pole 240V 15...

In Stock
$449.95
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Schneider Electric Square D FAL320151253 Thermal Magnetic Circuit Breaker 15A 60Hz 240V

Schneider Electric Square D FAL320151253 Thermal Magnetic Circuit Breaker 15A 60Hz 240V Used condition, with normal signs of wear. Comes as shown, please check pics.

Schneider Electric Square D FAL320151253 Thermal Magnetic Circuit Breaker 15A 60Hz 240V Used cond...

In Stock
$449.95
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Schneider Electric Square D FAL340151253 Type FAL Thermal Magnetic Circuit Breaker 3 Pole 240V 15A SERIES 2

Schneider Electric Square D FAL340151253 Type FAL Thermal Magnetic Circuit Breaker 3 Pole 240V 15A SERIES 2 Used condition, with normal signs of wear. Comes as...

Schneider Electric Square D FAL340151253 Type FAL Thermal Magnetic Circuit Breaker 3 Pole 240V 15...

In Stock
$449.95
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NEW SQUARE D MERLIN GERIN C60N 16A Type C 277VAC Circuit Breaker

NEW SQUARE D MERLIN GERIN C60N 16A Type C 277VAC Circuit Breaker NOS, surplus no box. Minor storage wear, comes as shown

NEW SQUARE D MERLIN GERIN C60N 16A Type C 277VAC Circuit Breaker NOS, surplus no box. Minor stora...

In Stock
$18.95
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Square D MHL363001027 300A Circuit Breaker 600V AL900MA

Square D MHL363001027 300A Circuit Breaker 600V AL900MAUsed condition, with normal signs of wear. Comes as shown, please check pics.

Square D MHL363001027 300A Circuit Breaker 600V AL900MAUsed condition, with normal signs of wear....

In Stock
$561.95
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Square D MAL363501352 Circuit Breaker 350 Amp 3 Pole 600V, Chipped

Square D MAL363501352 Circuit Breaker 350 Amp 3 Pole 600V, Chipped  Chipped comes as shownUsed condition, with normal signs of wear. Comes as shown, please...

Square D MAL363501352 Circuit Breaker 350 Amp 3 Pole 600V, Chipped  Chipped comes as shownUsed co...

In Stock
$561.95
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NEW Square D Masterpact NW16HF 1600 Amp Circuit Breaker Disconnect Switch BL3EEVSSX9DHBBXPCA

NEW Square D Masterpact NW16HF 1600 Amp Circuit Breaker Disconnect Switch BL3EEVSSX9DHBBXPCA Unused, has storage wear comes as shown 299.99 Freight charge in US only NOS,...

NEW Square D Masterpact NW16HF 1600 Amp Circuit Breaker Disconnect Switch BL3EEVSSX9DHBBXPCA Unus...

In Stock
$3,799.95
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Square D LH400A 400AMP 600V 3 Pole Circuit Breaker LH 400 A LA11127

Square D LH400A 400AMP 600V 3 Pole Circuit Breaker LH 400 A LA11127Used condition, with normal signs of wear. Comes as shown, please check pics....

Square D LH400A 400AMP 600V 3 Pole Circuit Breaker LH 400 A LA11127Used condition, with normal si...

In Stock
$316.95
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Square D FDA240602 Circuit Breaker Powerpact, type FDA, 2P, 1PH, 60A, 277/480V, 18kA@480V

Square D FDA240602 Circuit Breaker Powerpact, type FDA, 2P, 1PH, 60A, 277/480V, 18kA@480VUsed condition, with normal signs of wear. Comes as shown, please check pics....

Square D FDA240602 Circuit Breaker Powerpact, type FDA, 2P, 1PH, 60A, 277/480V, 18kA@480VUsed con...

In Stock
$77.95
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Square D JJL36225SOLW Molded Case Circuit Breaker 600V 225A PowerPact JJ250

Square D JJL36225SOLW Molded Case Circuit Breaker 600V 225A PowerPact JJ250Used condition, with normal signs of wear. Comes as shown, please check pics.

Square D JJL36225SOLW Molded Case Circuit Breaker 600V 225A PowerPact JJ250Used condition, with n...

In Stock
$369.95
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Square D JJL36225SOLW Circuit Breaker 600V 225A PowerPact JJ 250 HACR Type

Square D JJL36225SOLW Circuit Breaker 600V 225A PowerPact JJ 250 HACR Type  Used condition, with normal signs of wear. Comes as shown, please check pics....

Square D JJL36225SOLW Circuit Breaker 600V 225A PowerPact JJ 250 HACR Type  Used condition, with ...

In Stock
$369.95
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Square D FDA240602 Circuit Breaker 2 Pole 60 amps 240 Voltage

Square D FDA240602 Circuit Breaker 2 Pole 60 amps 240 Voltage Used condition, with normal signs of wear. Comes as shown, please check pics.

Square D FDA240602 Circuit Breaker 2 Pole 60 amps 240 Voltage Used condition, with normal signs o...

In Stock
$77.95
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