Circuit Breakers and Accessories
Showing 7921 - 7968
of 8748
Items
QR2N1S Circuit Breaker Enclosure, NEMA 1
MFR:
Siemens
MFR #:
QR2N1S
UPC:
804766137549
Item #:
967008
BF230A SpeedFax Type BL Molded Case Circuit Breaker, 120/240 VAC, 30 A, 10 kA Interrupt, 2 Poles, Thermal Magnetic Trip
MFR:
Siemens
MFR #:
BF230A
UPC:
887621215415
Item #:
617623
QR22B225 Low Voltage Molded Case Circuit Breaker, 240 V AC, 225 A, 10 kA Interrupt, 2 Poles, Thermal Magnetic Trip
MFR:
Siemens
MFR #:
QR22B225
UPC:
804766136115
Item #:
1241684
QR22B200W Low Voltage Molded Case Circuit Breaker, 240 V AC, 200 A, 10 kA Interrupt, 2 Poles, Thermal Magnetic Trip
MFR:
Siemens
MFR #:
QR22B200W
UPC:
804766136610
Item #:
1060314
HQR23B225 SpeedFax Low Voltage Molded Case Circuit Breaker, 240 V AC, 225 A, 65 kA Interrupt, 3 Poles, Thermal Magnetic Trip
MFR:
Siemens
MFR #:
HQR23B225
UPC:
804766136955
Item #:
1182325
HQR23B200 SpeedFax Low Voltage Molded Case Circuit Breaker, 240 V AC, 200 A, 65 kA Interrupt, 3 Poles, Thermal Magnetic Trip
MFR:
Siemens
MFR #:
HQR23B200
UPC:
804766136948
Item #:
656076
QR23B200L Low Voltage Molded Case Circuit Breaker, 240 V AC, 200 A, 10 kA Interrupt, 3 Poles, Thermal Magnetic Trip
MFR:
Siemens
MFR #:
QR23B200L
UPC:
804766136733
Item #:
983588
QR23B225 General Purpose Low Voltage Molded Case Circuit Breaker, 240 V AC, 225 A, 10 kA Interrupt, 3 Poles, Thermal Magnetic Trip
MFR:
Siemens
MFR #:
QR23B225
UPC:
804766136672
Item #:
1022302
QR23B200 General Purpose Low Voltage Molded Case Circuit Breaker, 240 V AC, 200 A, 10 kA Interrupt, 3 Poles, Thermal Magnetic Trip
MFR:
Siemens
MFR #:
QR23B200
UPC:
804766136665
Item #:
855280
3VA9473-0JJ23 3-Pole 2-Cable Wire Connector, 2/0 AWG to 600 kcmil, For Use With 3VA63 at 400 A, 3VA64 at 600 A Molded Case Circuit Breaker
MFR:
Siemens
MFR #:
3VA9473-0JJ23
UPC:
804766325847
Item #:
1293899
3VA5212-5ED31-0AA0 Molded Case Circuit Breaker, 690 V AC/750 V DC, 250 A, 35 kA Interrupt, 3 Poles, Thermal Magnetic Trip
MFR:
Siemens
MFR #:
3VA5212-5ED31-0AA0
UPC:
804766308581
Item #:
1274134
MBKQR3225A Sentron Low Voltage Breaker Mounting Kit, For Use With Type P1 Revised Panelboard, 240 V AC, 3-Phase
MFR:
Siemens
MFR #:
MBKQR3225A
UPC:
804766155772
Item #:
755579
BF220AH SpeedFax Type BL Molded Case Circuit Breaker, 120/240 V AC, 20 A, 22 kA Interrupt, 2 Poles, Thermal Magnetic Trip
MFR:
Siemens
MFR #:
BF220AH
UPC:
887621215408
Item #:
1169708
BF240AH SpeedFax GFCI Molded Case Circuit Breaker, 120/240 V AC, 40 A, 22 kA Interrupt, 2 Poles, Thermal Magnetic Trip
MFR:
Siemens
MFR #:
BF240AH
UPC:
887621215446
Item #:
1065286
QF260A Type GFCI Ground Fault Circuit Breaker, 120/240 V AC, 60 A, 10 kA Interrupt, 2 Poles, Thermal Magnetic Trip
MFR:
Siemens
MFR #:
QF260A
UPC:
887621216788
Item #:
725784
BF250AH SpeedFax GFCI Molded Case Circuit Breaker, 120/240 V AC, 50 A, 22 kA Interrupt, 2 Poles, Thermal Magnetic Trip
MFR:
Siemens
MFR #:
BF250AH
UPC:
887621215460
Item #:
1065287
QF215A Type QJ2 General Purpose Circuit Breaker, 240 V AC, 125 A, 10 kA Interrupt, 2 Poles, Thermal Magnetic Trip
MFR:
Siemens
MFR #:
QF215A
UPC:
887621216634
Item #:
831296
BF120AH SpeedFax Type BL Molded Case Circuit Breaker, 120 V AC, 20 A, 22 kA Interrupt, 1 Poles, Thermal Magnetic Trip
MFR:
Siemens
MFR #:
BF120AH
UPC:
887621215286
Item #:
649379
LGB3B070B Type LGB Low Voltage Molded Case Circuit Breaker, 480 V AC, 70 A, 65 kA Interrupt, 3 Poles, Thermal Magnetic Trip
MFR:
Siemens
MFR #:
LGB3B070B
UPC:
887621220303
Item #:
394462
LGB1B020B Type LGB Low Voltage Molded Case Circuit Breaker, 277 V AC, 20 A, 65 kA Interrupt, 1 Poles, Thermal Magnetic Trip
MFR:
Siemens
MFR #:
LGB1B020B
UPC:
887621219925
Item #:
394442
3RV20211HA10 Sirius Type 3RV2 Motor Protection Circuit Breaker, 690 V AC, 5.5 to 8 A, 6 kA Interrupt, 3 Poles, Thermal Magnetic Trip
MFR:
Siemens
MFR #:
3RV20211HA10
UPC:
040892942248
Item #:
818007
LGB3B125B Type LGB Low Voltage Molded Case Circuit Breaker, 480 V AC, 125 A, 65 kA Interrupt, 3 Poles, Thermal Magnetic Trip
MFR:
Siemens
MFR #:
LGB3B125B
UPC:
887621220358
Item #:
394461
LGB3B020B Type LGB Low Voltage Molded Case Circuit Breaker, 480 V AC, 20 A, 65 kA Interrupt, 3 Poles, Thermal Magnetic Trip
MFR:
Siemens
MFR #:
LGB3B020B
UPC:
887621220228
Item #:
328651
BA120AFCH Arc Fault Circuit Breaker, 120 V AC, 20 A, 22 kA Interrupt, 1 Poles, Thermal Magnetic Trip
MFR:
Siemens
MFR #:
BA120AFCH
UPC:
887621215019
Item #:
437228
Q220AFC Type QAF2 Combination Arc Fault Circuit Breaker, 120/240 V AC, 20 A, 10 kA Interrupt, 2 Poles, Thermal Magnetic Trip
MFR:
Siemens
MFR #:
Q220AFC
UPC:
040892148893
Item #:
11678
5SJ4103-8HG42 Sentron Type NSJ Miniature Circuit Breaker, 240 V AC, 3 A, 14 kA Interrupt, 1 Poles, Thermal Magnetic Trip
MFR:
Siemens
MFR #:
5SJ4103-8HG42
UPC:
754554959375
Item #:
1273478
5SJ4218-7HG42 Sentron Type NSJ Miniature Circuit Breaker, 277 V AC, 15 A, 14 kA Interrupt, 2 Poles, Thermal Magnetic Trip
MFR:
Siemens
MFR #:
5SJ4218-7HG42
UPC:
754554959900
Item #:
1273489
5SJ4106-8HG42 Sentron Type NSJ Miniature Circuit Breaker, 240 V AC, 6 A, 14 kA Interrupt, 1 Poles, Thermal Magnetic Trip
MFR:
Siemens
MFR #:
5SJ4106-8HG42
UPC:
754554959580
Item #:
1273483
5SJ4118-7HG42 Sentron Type NSJ Miniature Circuit Breaker, 240 V AC, 15 A, 14 kA Interrupt, 1 Poles, Thermal Magnetic Trip
MFR:
Siemens
MFR #:
5SJ4118-7HG42
UPC:
754554959528
Item #:
1273470
5SJ4102-7HG42 Sentron Type NSJ Miniature Circuit Breaker, 277 V AC, 2 A, 14 kA Interrupt, 1 Poles, Thermal Magnetic Trip
MFR:
Siemens
MFR #:
5SJ4102-7HG42
UPC:
754554959467
Item #:
1024736
5SJ4111-8HG42 Sentron Type NSJ Miniature Circuit Breaker, 277 V AC, 5 A, 14 kA Interrupt, 1 Poles, Thermal Magnetic Trip
MFR:
Siemens
MFR #:
5SJ4111-8HG42
UPC:
754554959405
Item #:
1273481
5SJ4206-8HG42 Type NSJ Miniature Circuit Breaker, 277/480 V AC, 6 A, 10 kA Interrupt, 2 Poles, Thermal Magnetic Trip
MFR:
Siemens
MFR #:
5SJ4206-8HG42
UPC:
754554959962
Item #:
1273492
5SJ4108-7HG42 Sentron Type NSJ Miniature Circuit Breaker, 240 V AC, 8 A, 14 kA Interrupt, 1 Poles, Thermal Magnetic Trip
MFR:
Siemens
MFR #:
5SJ4108-7HG42
UPC:
754554959290
Item #:
1024738
5SJ4101-7HG42 Sentron Type NSJ Miniature Circuit Breaker, 240 V AC, 1 A, 14 kA Interrupt, 1 Poles, Thermal Magnetic Trip
MFR:
Siemens
MFR #:
5SJ4101-7HG42
UPC:
754554959269
Item #:
1273473
5SJ4216-7HG42 Sentron Type NSJ Miniature Circuit Breaker, 240 V AC, 16 A, 14 kA Interrupt, 2 Poles, Thermal Magnetic Trip
MFR:
Siemens
MFR #:
5SJ4216-7HG42
UPC:
754554959702
Item #:
1273491
WLETU776 WL Series Electronic LSI Breaker Trip, 3 Poles, 200 to 5000 A, WLS/WLH/WLL/WLC Frame, For Use With Low Voltage Power Circuit Breaker, Composite
MFR:
Siemens
MFR #:
WLETU776
UPC:
783643467255
Item #:
523792
Q2125S SpeedFax Low Voltage Molded Case Circuit Breaker, 120/240 V AC, 125 A, 10 kA Interrupt, 2 Poles, Thermal Magnetic Trip
MFR:
Siemens
MFR #:
Q2125S
UPC:
783643974753
Item #:
921379
FD63B125 Sentron Type FD6 Low Voltage Molded Case Circuit Breaker, 600 V AC/500 V DC, 125 A, 22 kA Interrupt, 3 Poles, Thermal Magnetic Trip
MFR:
Siemens
MFR #:
FD63B125
UPC:
783643211469
Item #:
54982
EQ9675 G Series Type EQ Low Voltage Miniature Residential Molded Case Circuit Breaker, 240 V AC, 100 A, 22 kA Interrupt, 2 Poles
MFR:
Siemens
MFR #:
EQ9675
UPC:
783643255388
Item #:
32515
5SJ4101-7HG40 Sentron Type HSJ Miniature Circuit Breaker, 240 V AC, 0.3 A, 14 kA Interrupt, 1 Poles, Thermal Magnetic Trip
MFR:
Siemens
MFR #:
5SJ4101-7HG40
UPC:
754554932200
Item #:
723405
5SJ4102-7HG40 Sentron Type HSJ Miniature Circuit Breaker, 240 V AC, 0.5 A, 14 kA Interrupt, 1 Poles, Thermal Magnetic Trip
MFR:
Siemens
MFR #:
5SJ4102-7HG40
UPC:
754554932217
Item #:
723406
NGB3B040B Type NGB Low Voltage Molded Case Circuit Breaker, 600Y/347 V AC, 40 A, 14 kA Interrupt, 3 Poles, Thermal Magnetic Trip
MFR:
Siemens
MFR #:
NGB3B040B
UPC:
783643414303
Item #:
206915
NGB3B125B Type NGB Low Voltage Molded Case Circuit Breaker, 600Y/347 V AC, 125 A, 14 kA Interrupt, 3 Poles, Thermal Magnetic Trip
MFR:
Siemens
MFR #:
NGB3B125B
UPC:
783643414396
Item #:
193391
NGB3B125 Type NGB Low Voltage Molded Case Circuit Breaker, 600Y/347 V AC, 125 A, 14 kA Interrupt, 3 Poles, Thermal Magnetic Trip
MFR:
Siemens
MFR #:
NGB3B125
UPC:
783643553538
Item #:
175476
NGB3B070B Type NGB Low Voltage Molded Case Circuit Breaker, 600Y/347 V AC, 70 A, 14 kA Interrupt, 3 Poles, Thermal Magnetic Trip
MFR:
Siemens
MFR #:
NGB3B070B
UPC:
783643414341
Item #:
394535
About Circuit Breakers and Accessories
Circuit breakers are a critical component of electrical systems, protecting them against overload or short-circuiting. These devices shut off power when levels exceed a safety threshold in order to prevent damage to equipment or personnel. There are a variety of types of circuit breakers to suit different applications, including miniature, molded case, low voltage, GFCI, and AFCI. Circuit breaker accessories are used to extend the functionality, mount, secure, protect, and extend the life of circuit breakers.