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Circuit Breakers
Filters
Clear Filters
Trip Type
- Fixed thermal, fixed magnetic
- T-M (Fxd-Fxd) TU
- Non-Interchangeable
- Thermal-Magnetic
- Common breaker trip
- 5-10X /n
- Thermal-magnetic
- 10-20X /n
- Fixed thermal, adjustable magnetic
- THERMAL-MAGNETIC
- 3-5X /n
- Common
- T-M (Fxd-Adj) TU
- Electronic LSI
- Electronic LS
- Electronic LSIG
- Independent
- Interchangeable thermal-magnetic
- Trip flag
- Thermal magnetic
- Adjustable thermal, adjustable magnetic
- Adjustable thermal, fixed magnetic
- Electronic LI
- Trip-to-center
- Electronic LSG
- PXR 10 LSI
- PXR 20 LSI
- 8-12X /n
- Non-interchangeable
- 2-3X /n
- Adjustable
- ELECTRONIC TRIP UNIT
- Non-interchangeable magnetic only
- Common trip
- Non-interchangeable thermal-magnetic
- Magnetic only
- PXR 20 LSIG
- Electronic ALSIG with maintenance mode
- Non-interchangeable thermal magnetic
- ELECTRONIC TRIP UNIT WITH LCD DISPLAY
- Interchangeable
- Model A trip
- PXR 25 LSI
- 310+ Electronic LSI
- 310+ electronic LS
- Frame only (no trip)
- THERMAL MAGNETIC TRIP UNIT
Siemens
MFR: Siemens
MFR #: 3RV20211FA15
UPC: 887621883485
Item #: 1203512
Available to Order
$456.97
each
Siemens
MFR: Siemens
MFR #: BA115AFCH
UPC: 887621214685
Item #: 1155516
Available to Order
$390.61
each
Siemens
MFR: Siemens
MFR #: HGB3B015B
UPC: 887621219765
Item #: 394423
Available to Order
$2523.88
each
Siemens
MFR: Siemens
MFR #: HGB2B015B
UPC: 887621219611
Item #: 394414
Available to Order
$2016.37
each
Siemens
MFR: Siemens
MFR #: HGB3B060B
UPC: 887621219840
Item #: 394418
Available to Order
$2523.88
each
Siemens
MFR: Siemens
MFR #: HGB3B125B
UPC: 887621219901
Item #: 394431
Available to Order
$5747.92
each
Siemens
MFR: Siemens
MFR #: HED42B020BF
UPC: 887621663193
Item #: 889952
Available to Order
$4426.81
each
Siemens
MFR: Siemens
MFR #: B120DFH
UPC: 887621817237
Item #: 1155517
Available to Order
$289.55
each
Siemens
MFR: Siemens
MFR #: 3RV20314VA10
UPC: 887621920081
Item #: 1033472
Available to Order
$878.06
each
Siemens
MFR: Siemens
MFR #: HGB2B040B
UPC: 887621219666
Item #: 394405
Available to Order
$2016.37
each
Siemens
MFR: Siemens
MFR #: HGB3B070B
UPC: 887621219857
Item #: 394419
Available to Order
$2923.83
each
Siemens
MFR: Siemens
MFR #: HGB2B110B
UPC: 887621219741
Item #: 394408
Available to Order
$4275.24
each
Siemens
MFR: Siemens
MFR #: HGB1B040B
UPC: 887621219512
Item #: 394413
Available to Order
$819.45
each
Siemens
MFR: Siemens
MFR #: HGB3B045B
UPC: 887621219826
Item #: 394416
Available to Order
$2523.88
each
Siemens
MFR: Siemens
MFR #: HGB3B025B
UPC: 887621219789
Item #: 394425
Available to Order
$2523.88
each
Siemens
MFR: Siemens
MFR #: HGB2B060B
UPC: 887621219697
Item #: 394406
Available to Order
$2016.37
each
Siemens
MFR: Siemens
MFR #: 3RV20314DA10
UPC: 887621919887
Item #: 1200354
Available to Order
$635.21
each
Siemens
MFR: Siemens
MFR #: EQ8695
UPC: 783643387911
Item #: 150838
Available to Order
$809.65
each
Siemens
MFR: Siemens
MFR #: S16ED62A
UPC: 783643393301
Item #: 191826
Available to Order
$2586.46
each
Siemens
MFR: Siemens
MFR #: BQ2B060QLD
UPC: 783643411883
Item #: 757449
Available to Order
$200.46
each
Siemens
MFR: Siemens
MFR #: MBK125A
UPC: 783643388000
Item #: 82143
Available to Order
$877.73
each
Siemens
MFR: Siemens
MFR #: MBK225A
UPC: 783643388024
Item #: 507344
Available to Order
$1088.57
each
Siemens
MFR: Siemens
MFR #: Q230S
UPC: 783643389151
Item #: 18948
Available to Order
$92.20
each
Siemens
MFR: Siemens
MFR #: LD63T600
UPC: 783643214149
Item #: 1299842
Available to Order
$6551.72
each
Siemens
MFR: Siemens
MFR #: QG320
UPC: 783643148529
Item #: 1303704
Available to Order
$317.25
each
Siemens
MFR: Siemens
MFR #: U01ED60
UPC: 783643234925
Item #: 194915
Available to Order
$1774.83
each
Siemens
MFR: Siemens
MFR #: B215HH
UPC: 783643264137
Item #: 394343
Available to Order
$713.84
each
Siemens
MFR: Siemens
MFR #: B235HH
UPC: 783643089129
Item #: 331489
Available to Order
$874.22
each
Siemens
MFR: Siemens
MFR #: HLXD63S600A
UPC: 783643087927
Item #: 590208
Available to Order
$21006.59
each
Siemens
MFR: Siemens
MFR #: JXD22B250
UPC: 783643212886
Item #: 886337
Available to Order
$8059.60
each
Siemens
MFR: Siemens
MFR #: B160
UPC: 783643263505
Item #: 241909
Available to Order
$87.03
each
Siemens
MFR: Siemens
MFR #: CQD330
UPC: 783643277762
Item #: 248428
Available to Order
$1259.50
each
Siemens
MFR: Siemens
MFR #: QG215
UPC: 783643148482
Item #: 46724
Available to Order
$220.75
each
Siemens
MFR: Siemens
MFR #: 5SY4110-6
UPC: 754554875262
Item #: 878404
Available to Order
$75.42
each
Siemens
MFR: Siemens
MFR #: 5SY5203-7
UPC: 754554878751
Item #: 1062847
Available to Order
$375.70
each
Siemens
MFR: Siemens
MFR #: E2HBL
UPC: 783643193543
Item #: 19934
Available to Order
$48.89
each
Siemens
MFR: Siemens
MFR #: Q36000S01
UPC: 783643237650
Item #: 207741
Available to Order
$830.14
each
Siemens
MFR: Siemens
MFR #: B24000S01
UPC: 783643268388
Item #: 26626
Available to Order
$612.15
each
Siemens
MFR: Siemens
MFR #: FD63T150
UPC: 783643211957
Item #: 913865
Available to Order
$3976.02
each
Siemens
MFR: Siemens
MFR #: HLMXD63B800
UPC: 783643304048
Item #: 87637
Available to Order
$26878.69
each
Siemens
MFR: Siemens
MFR #: FD63T100
UPC: 783643211926
Item #: 998256
Available to Order
$3976.02
each
Siemens
MFR: Siemens
MFR #: ED42B100L
UPC: 783643083868
Item #: 622621
Available to Order
$2490.63
each
Siemens
MFR: Siemens
MFR #: B345HH
UPC: 783643306363
Item #: 229065
Available to Order
$1496.14
each
Siemens
MFR: Siemens
MFR #: BQ3B08000S01
UPC: 783643237896
Item #: 900367
Available to Order
$1292.74
each
Siemens
MFR: Siemens
MFR #: B13000S01
UPC: 783643268258
Item #: 544534
Available to Order
$503.60
each
Siemens
MFR: Siemens
MFR #: ED43B110L
UPC: 783643236240
Item #: 619131
Available to Order
$5589.50
each
Siemens
MFR: Siemens
MFR #: ED63B030
UPC: 783643209695
Item #: 149394
Available to Order
$2823.11
each
Siemens
MFR: Siemens
MFR #: CED63B090
UPC: 783643210745
Item #: 973677
Available to Order
$10985.38
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.