Circuit Breakers
Filters
Clear Filters
Trip Type
- Fixed thermal, fixed magnetic
- T-M (Fxd-Fxd) TU
- Common breaker trip
- Non-Interchangeable
- 5-10X /n
- 10-20X /n
- Thermal-Magnetic
- 3-5X /n
- THERMAL-MAGNETIC
- Common
- Thermal-magnetic
- Fixed thermal, adjustable magnetic
- T-M (Fxd-Adj) TU
- Independent
- Electronic LS
- Electronic LSI
- Trip flag
- Thermal magnetic
- 8-12X /n
- Electronic LSIG
- 2-3X /n
- Trip-to-center
- Adjustable
- PXR 20 LSI
- PXR 10 LSI
- Adjustable thermal, adjustable magnetic
- Interchangeable thermal-magnetic
- Adjustable thermal, fixed magnetic
- Magnetic only
- Common trip
- Electronic LI
- PXR 20 LSIG
- Non-interchangeable thermal magnetic
- Electronic LSG
- Non-interchangeable
Siemens
MFR: Siemens
MFR #: Q225
UPC: 783643148376
Item #: 58555
Available to Order
$129.87
each
Siemens
MFR: Siemens
MFR #: B360
UPC: 783643263765
Item #: 89272
Available to Order
Siemens
MFR: Siemens
MFR #: B350
UPC: 783643263758
Item #: 108201
Available to Order
$645.39
each
Siemens
MFR: Siemens
MFR #: BQD330
UPC: 783643277373
Item #: 78624
Available to Order
$1223.31
each
Siemens
MFR: Siemens
MFR #: Q340
UPC: 783643148420
Item #: 64589
Available to Order
$456.71
each
Siemens
MFR: Siemens
MFR #: B260
UPC: 783643263604
Item #: 10388
Available to Order
$197.53
each
Siemens
MFR: Siemens
MFR #: B120H
UPC: 783643263826
Item #: 137512
Available to Order
$171.13
each
Siemens
MFR: Siemens
MFR #: Q360
UPC: 783643148444
Item #: 65976
Available to Order
$456.71
each
Siemens
MFR: Siemens
MFR #: BQD120
UPC: 783643277090
Item #: 19994
Available to Order
$311.94
each
Siemens
MFR: Siemens
MFR #: QS2200
UPC: 783087935259
Item #: 152355
Available to Order
$254.15
each
Available to Order
$456.71
each
Siemens
MFR: Siemens
MFR #: BQD320
UPC: 783643277359
Item #: 20690
Available to Order
$1223.31
each
Siemens
MFR: Siemens
MFR #: B215
UPC: 783643263529
Item #: 102011
Available to Order
$197.53
each
Siemens
MFR: Siemens
MFR #: Q120DF
UPC: 887621817329
Item #: 375238
Available to Order
$149.87
each
Siemens
MFR: Siemens
MFR #: BQD350
UPC: 783643277410
Item #: 182476
Available to Order
$1223.31
each
Siemens
MFR: Siemens
MFR #: QF220A
UPC: 887621216665
Item #: 580290
Available to Order
$651.95
each
Siemens
MFR: Siemens
MFR #: Q115DF
UPC: 887621817305
Item #: 240854
Available to Order
$149.87
each
Siemens
MFR: Siemens
MFR #: Q280
UPC: 783643156746
Item #: 61745
Available to Order
$379.38
each
Siemens
MFR: Siemens
MFR #: Q22020CT2
UPC: 783643083929
Item #: 147541
Available to Order
$274.29
each
Siemens
MFR: Siemens
MFR #: QN2200RH
UPC: 783643204263
Item #: 126057
Available to Order
$1085.92
each
Siemens
MFR: Siemens
MFR #: ECPLD1
UPC: 783643454828
Item #: 53163
Available to Order
$21.08
each
Siemens
MFR: Siemens
MFR #: Q23020CT2
UPC: 783643083936
Item #: 135459
Available to Order
$274.29
each
Siemens
MFR: Siemens
MFR #: Q270
UPC: 783643148666
Item #: 34858
Available to Order
$263.71
each
Siemens
MFR: Siemens
MFR #: QF250A
UPC: 887621216757
Item #: 594839
Available to Order
$651.95
each
Siemens
MFR: Siemens
MFR #: QSA2020SPD
UPC: 040892278750
Item #: 8804
Available to Order
$516.64
each
Siemens
MFR: Siemens
MFR #: BQD360
UPC: 783643277427
Item #: 183081
Available to Order
$1223.31
each
Siemens
MFR: Siemens
MFR #: Q23030CT2
UPC: 783643083943
Item #: 29890
Available to Order
$274.29
each
Siemens
MFR: Siemens
MFR #: BQD3100
UPC: 783643277465
Item #: 99068
Available to Order
$1651.62
each
Siemens
MFR: Siemens
MFR #: BQ2B030
UPC: 783643102422
Item #: 181984
Available to Order
$200.46
each
Siemens
MFR: Siemens
MFR #: B370
UPC: 783643263772
Item #: 107904
Available to Order
$786.21
each
Siemens
MFR: Siemens
MFR #: QF115A
UPC: 887621216511
Item #: 524987
Available to Order
$326.77
each
Siemens
MFR: Siemens
MFR #: Q290
UPC: 783643148673
Item #: 62496
Available to Order
$379.38
each
Siemens
MFR: Siemens
MFR #: Q1520
UPC: 783643148253
Item #: 22856
Available to Order
$136.15
each
Siemens
MFR: Siemens
MFR #: Q245
UPC: 783643167780
Item #: 99570
Available to Order
$129.87
each
Siemens
MFR: Siemens
MFR #: Q235
UPC: 783643167650
Item #: 80323
Available to Order
$129.87
each
Siemens
MFR: Siemens
MFR #: Q1515NC
UPC: 783643156609
Item #: 190400
Available to Order
$227.36
each
Siemens
MFR: Siemens
MFR #: Q380
UPC: 783643156760
Item #: 42404
Available to Order
$681.43
each
Siemens
MFR: Siemens
MFR #: BQDHT2
UPC: 662643158908
Item #: 184201
Available to Order
Siemens
MFR: Siemens
MFR #: MBK150A
UPC: 783643387997
Item #: 133019
Available to Order
$1088.57
each
Siemens
MFR: Siemens
MFR #: Q2100H
UPC: 783643156395
Item #: 116350
Available to Order
$590.88
each
Siemens
MFR: Siemens
MFR #: Q23050CT2
UPC: 783643083981
Item #: 151152
Available to Order
$274.29
each
Siemens
MFR: Siemens
MFR #: Q2125H
UPC: 783643156401
Item #: 284891
Available to Order
$2005.29
each
Siemens
MFR: Siemens
MFR #: QF230A
UPC: 887621216696
Item #: 594858
Available to Order
$651.95
each
Siemens
MFR: Siemens
MFR #: ECPLD3
UPC: 783087906266
Item #: 235253
Available to Order
Siemens
MFR: Siemens
MFR #: NGB3B100B
UPC: 783643414372
Item #: 103262
Available to Order
$2438.81
each
Siemens
MFR: Siemens
MFR #: B345
UPC: 783643263741
Item #: 149657
Available to Order
$645.39
each
Siemens
MFR: Siemens
MFR #: ED41B020L
UPC: 783643089860
Item #: 465569
Available to Order
$631.70
each
Siemens
MFR: Siemens
MFR #: MBK175A
UPC: 783643619883
Item #: 96639
Available to Order
$1088.57
each
About Circuit Breakers
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.