Circuit Breakers and Accessories

Showing 12001 - 12048 of 12137 Items
Discontinued
Siemens
MFR: Siemens
MFR #: HNX3G100
UPC: 040892796377
Item #: 344298
Available to Order
$63441.22 each
Availability
Location Available Qty
Discontinued
Siemens
MFR: Siemens
MFR #: NPX3R160
UPC: 040892805475
Item #: 765265
Available to Order
$62083.94 each
Availability
Location Available Qty
Discontinued
BRKR QAF2 AFCI 1P 120V 20A 10KA NL
Siemens
MFR: Siemens
MFR #: QA120AFCNL
UPC: 887621216283
Item #: 315172
Available to Order
$1326.11 each
Availability
Location Available Qty
Discontinued
Siemens
MFR: Siemens
MFR #: MV38BRDD31238B
UPC: 887621427115
Item #: 516764
Available to Order
Availability
Location Available Qty
Discontinued
BRKR BRF QAF2 AFCI 1P 120V 15A 10KA
Siemens
MFR: Siemens
MFR #: QA115AF
UPC: 887621020163
Item #: 389447
Available to Order
$244.55 each
Availability
Location Available Qty
Discontinued
BRKR MP-GAT2 AFCI/GFCI 1P 120V 20A 10KA
Siemens
MFR: Siemens
MFR #: MP120DF
UPC: 887621817268
Item #: 749767
Available to Order
Availability
Location Available Qty
Discontinued
BRKR MP-AT2 AFCI 1P 120V 15A 10KA
Siemens
MFR: Siemens
MFR #: MPA115AFC
UPC: 887621216054
Item #: 603251
Available to Order
Availability
Location Available Qty
Discontinued
BREAKER 20/20A 1P 120V 10K MH-T NON-CTL
Siemens
MFR: Siemens
MFR #: MP2020N
UPC: 040892281132
Item #: 19445
Available to Order
Availability
Location Available Qty
Discontinued
BREAKER (2)20A 2P 10K 120/240V MH-T
Siemens
MFR: Siemens
MFR #: MP220220CT2
UPC: 040892001266
Item #: 102321
Available to Order
Availability
Location Available Qty
Discontinued
020AKER 15/20A 1P 120V 10K MH-T DUPLEX
Siemens
MFR: Siemens
MFR #: MP1520
UPC: 040892521993
Item #: 640963
Available to Order
Availability
Location Available Qty
Discontinued
BRKR MSQ 3/4 2P 120/240V 40A 10K UL CLAS
Siemens
MFR: Siemens
MFR #: MQ240
UPC: 040892528220
Item #: 118248
Available to Order
Availability
Location Available Qty
Discontinued
BREAKER 150A 2P 120/240V 10K MD-TR
Siemens
MFR: Siemens
MFR #: MPD2150R
UPC: 040892006469
Item #: 123598
Available to Order
Availability
Location Available Qty
Discontinued
MSP,TYPE E ,S0,CL10,3.5-5A,SCREW,+ADAPT
Siemens
MFR: Siemens
MFR #: 3RV1021-1FA10
UPC: 754554409238
Item #: 11426
Available to Order
Availability
Location Available Qty
Discontinued
BREAKER MOUNTING KIT W/ QJ23B150H
Siemens
MFR: Siemens
MFR #: MBKQJ3150H
UPC: 783643096158
Item #: 201474
Available to Order
Availability
Location Available Qty
Discontinued
BRKR QJ2 3P 240V 110A 10KA
Siemens
MFR: Siemens
MFR #: QJ23B110
UPC: 783643201088
Item #: 762517
Available to Order
Availability
Location Available Qty
Discontinued
Replaced by US2:MP120GFAP
Siemens
MFR: Siemens
MFR #: MP120GFP
UPC: 040892007435
Item #: 895164
Available to Order
Availability
Location Available Qty
Discontinued
Siemens
MFR: Siemens
MFR #: SHJD69400NTH
UPC: 783643263260
Item #: 1121967
Available to Order
Availability
Location Available Qty
Discontinued
BREAKER (1)20A 2P/(1)30A 2P 10K MH-T
Siemens
MFR: Siemens
MFR #: MP220230CT2
UPC: 040892001273
Item #: 342367
Available to Order
Availability
Location Available Qty
Discontinued
BREAKER 15/15A 1P 120V 10K MH-T NON-CTL
Siemens
MFR: Siemens
MFR #: MP1515N
UPC: 040892280630
Item #: 21824
Available to Order
Availability
Location Available Qty
Discontinued
BRKR QJ2 2P 240V 225A 10KA
Siemens
MFR: Siemens
MFR #: QJ22B225
UPC: 783643193758
Item #: 214697
Available to Order
Availability
Location Available Qty
Discontinued
Replaced by US2:MP115GFAP
Siemens
MFR: Siemens
MFR #: MP115GFP
UPC: 040892007428
Item #: 748823
Available to Order
Availability
Location Available Qty
Discontinued
Replaced by US2:MP115GFA
Siemens
MFR: Siemens
MFR #: MP115GF
UPC: 040892278057
Item #: 89322
Available to Order
Availability
Location Available Qty
Discontinued
BREAKER MOUNTING KIT W/ QJ23B225H
Siemens
MFR: Siemens
MFR #: MBKQJ3225H
UPC: 783643096172
Item #: 132080
Available to Order
Availability
Location Available Qty
Discontinued
BRKR QJ2 3P 240V 175A 10KA
Siemens
MFR: Siemens
MFR #: QJ23B175
UPC: 783643193796
Item #: 151001
Available to Order
Availability
Location Available Qty
Discontinued
BRKR QJ2H 2P 240V 200A 42KA
Siemens
MFR: Siemens
MFR #: QJ22B200H
UPC: 783643193956
Item #: 1274409
Available to Order
Availability
Location Available Qty
Discontinued
BREAKER 150A 2P 120/240V 10K MD-T
Siemens
MFR: Siemens
MFR #: MPD2150
UPC: 040892006421
Item #: 183025
Available to Order
Availability
Location Available Qty
Discontinued
US2:BF250A
Siemens
MFR: Siemens
MFR #: BF250
UPC: 783643274020
Item #: 394370
Available to Order
Availability
Location Available Qty
Discontinued
Siemens
MFR: Siemens
MFR #: 3RV1042-4DA10
UPC: 754554849911
Item #: 1200336
Available to Order
Availability
Location Available Qty
Discontinued
BREAKER 50A 3P 240V 10K MP-T
Siemens
MFR: Siemens
MFR #: MP350
UPC: 040892238303
Item #: 58851
Available to Order
Availability
Location Available Qty
Discontinued
BREAKER 70A 3P 240V 10KA MP-T
Siemens
MFR: Siemens
MFR #: MP370
UPC: 040892238556
Item #: 650598
Available to Order
Availability
Location Available Qty
Discontinued
BRKR QJH2 3P 240V 150A 22KA
Siemens
MFR: Siemens
MFR #: QJH23B150
UPC: 783643193888
Item #: 38023
Available to Order
Availability
Location Available Qty
Discontinued
BRKR BLHF GFCI 5mA 1P 120V 25A 22KA
Siemens
MFR: Siemens
MFR #: BF115H
UPC: 783643069596
Item #: 147880
Available to Order
Availability
Location Available Qty
Discontinued
BREAKER 200A 2P 120/240V 22K M2
Siemens
MFR: Siemens
MFR #: MBK200M
UPC: 040892009378
Item #: 443678
Available to Order
Availability
Location Available Qty
Discontinued
BREAKER 175A 2P 120/240V 22K MD-H
Siemens
MFR: Siemens
MFR #: MP2175KH
UPC: 040892507621
Item #: 570312
Available to Order
Availability
Location Available Qty
Discontinued
MSP,TYPE E ,S0,CL10,4.5-6.3A,SCREW,+ADPT
Siemens
MFR: Siemens
MFR #: 3RV1021-1GA10
UPC: 754554409245
Item #: 117969
Available to Order
Availability
Location Available Qty
Discontinued
MSP,TYPE E,S3,CL20,80-100A,SCREW,+ADAPT
Siemens
MFR: Siemens
MFR #: 3RV1042-4MB10
UPC: 754554730486
Item #: 873199
Available to Order
Availability
Location Available Qty
Discontinued
MSP,TYPE E ,S2,CL20,14-20A,SCREW
Siemens
MFR: Siemens
MFR #: 3RV1031-4BB10
UPC: 754554489155
Item #: 941343
Available to Order
Availability
Location Available Qty
Discontinued
BREAKER 70A 2P 120/240V 10KA MP-T
Siemens
MFR: Siemens
MFR #: MP270
UPC: 040892279801
Item #: 93186
Available to Order
Availability
Location Available Qty
Discontinued
BREAKER 25A 3P 240V 10K MP-T
Siemens
MFR: Siemens
MFR #: MP325
UPC: 783643436343
Item #: 339895
Available to Order
Availability
Location Available Qty
Discontinued
BRKR QJH2 3P 240V 125A 22KA
Siemens
MFR: Siemens
MFR #: QJH23B125
UPC: 783643193871
Item #: 17064
Available to Order
Availability
Location Available Qty
Discontinued
BREAKER 20A 2P 120/240V 10K MP-T
Siemens
MFR: Siemens
MFR #: MP220U
UPC: 040892012194
Item #: 311941
Available to Order
Availability
Location Available Qty
Discontinued
MSP,TYPE E,S3,CL10,45-63A,SCREW,+ADAPT
Siemens
MFR: Siemens
MFR #: 3RV1041-4JA10
UPC: 754554409412
Item #: 299405
Available to Order
Availability
Location Available Qty
Discontinued
BREAKER 125A 2P 120/240V 10KA MP-T
Siemens
MFR: Siemens
MFR #: MP2125
UPC: 040892281194
Item #: 3686
Available to Order
Availability
Location Available Qty
Discontinued
BRKR QJ2 2P 240V 125A 10KA LUGS
Siemens
MFR: Siemens
MFR #: QJ22B125L
UPC: 783643088245
Item #: 56834
Available to Order
Availability
Location Available Qty
Discontinued
BRKR MSQ 3/4 2P 120/240V 30A 10K UL CLAS
Siemens
MFR: Siemens
MFR #: MQ230
UPC: 040892528213
Item #: 191643
Available to Order
Availability
Location Available Qty
Discontinued
BRKR QJ2 3P 240V 100A 10KA
Siemens
MFR: Siemens
MFR #: QJ23B100
UPC: 783643201071
Item #: 124798
Available to Order
Availability
Location Available Qty

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.