Circuit Breakers
Filters
Brand
- Appleton (13)
- Cutler Hammer (2)
- Eaton (4675)
- Eaton Bussmann (9)
- Eaton Crouse-Hinds Series (13)
- Greenlee (2)
- Hubbell Wiring Device - Kellems (6)
- Killark (2)
- Leviton (185)
- Midwest (4)
- Milbank (33)
- O-Z/Gedney (1)
- Rittal (1)
- Schneider Electric (1614)
- Siemens (1299)
- Square D (3345)
- Telemecanique (1)
Trip Type
- Fixed thermal, fixed magnetic (927)
- Thermal-magnetic (615)
- Non-Interchangeable (268)
- Common breaker trip (226)
- T-M (Fxd-Fxd) TU (184)
- 5-10X /n (103)
- Common (91)
- THERMAL-MAGNETIC (79)
- Fixed thermal, adjustable magnetic (76)
- 10-20X /n (72)
- Thermal-Magnetic (49)
- Electronic, basic, ET 1.0, (43)
- 3-5X /n (42)
- Independent (42)
- Electronic, standard, MicroLogic 3.0, LI (39)
- Electronic LSI (37)
- Electronic, standard, MicroLogic 3.2, LI (36)
- Interchangeable thermal-magnetic (35)
- Electronic LS (34)
- Electronic, ammeter, MicroLogic 6.0 A, LSIG (33)
- Electronic LSIG (31)
- Thermal Magnetic (31)
- T-M (Fxd-Adj) TU (29)
- Trip flag (29)
- Electronic, standard, MicroLogic 5.0, LSI (25)
- Thermal magnetic (25)
- Electronic, standard, MicroLogic 3.2 S, LSI (20)
- Trip-to-center (20)
- Electronic, basic, ET 1.0I, I (19)
- Adjustable thermal, adjustable magnetic (18)
- Non-interchangeable thermal-magnetic (16)
- Adjustable (14)
- Electronic, ammeter, MicroLogic 6.2 A, LSIG (14)
- C-Curve, Thermal-Magnetic (13)
- D-Curve (13)
- Non-interchangeable (13)
- Adjustable thermal, fixed magnetic (12)
- Non-interchangeable magnetic only (12)
- D-Curve, Thermal-Magnetic (11)
- Electronic LSG (11)
- C-Curve (10)
- Magnetic (10)
- 8-12X /n (9)
- Common trip (8)
- Electronic, standard, MicroLogic 3.3, LI (8)
- Magnetic only (8)
- PXR 10 LSI (8)
- PXR 20 LSI (8)
- B-Curve (7)
- Electronic ALSIG with maintenance mode (7)
- Electronic, ammeter, MicroLogic 5.2 A, LSI (7)
- Model A trip (7)
- Non-interchangeable thermal magnetic (7)
- .025 Seconds (6)
- Electronic, ammeter, MicroLogic 5.0 A, LSI (6)
- Frame only (no trip) (6)
- PXR 20 LSIG (6)
Square D
MFR: Schneider Electric
MFR #: QO220
UPC: 785901400363
Item #: 152491
In Stock
-
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$79.35
each
Eaton
MFR: Eaton
MFR #: BR120
UPC: 786676362108
Item #: 68746
In Stock
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Square D
MFR: Schneider Electric
MFR #: QO120
UPC: 785901400103
Item #: 149271
In Stock
-
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$34.46
each
Square D
MFR: Schneider Electric
MFR #: QO2100
UPC: 785901501305
Item #: 114605
In Stock
-
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$270.21
each
Eaton
MFR: Eaton
MFR #: BR220
UPC: 786676362856
Item #: 131057
In Stock
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Eaton
MFR: Eaton
MFR #: BR2100
UPC: 786676363259
Item #: 103538
In Stock
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Square D
MFR: Schneider Electric
MFR #: HOM120GFI
UPC: 785901065371
Item #: 113806
In Stock
-
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$281.59
each
Square D
MFR: Schneider Electric
MFR #: HOM120
UPC: 785901065210
Item #: 100491
In Stock
-
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$41.92
each
Square D
MFR: Schneider Electric
MFR #: HOM240
UPC: 785901065302
Item #: 107146
In Stock
-
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$95.64
each
Square D
MFR: Schneider Electric
MFR #: HOM2100
UPC: 785901065753
Item #: 111781
Available to Order
$199.23
each
Eaton
MFR: Eaton
MFR #: BRP115AF
UPC: 786689041014
Item #: 843604
In Stock
-
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Square D
MFR: Schneider Electric
MFR #: HOM230
UPC: 785901065296
Item #: 105750
Available to Order
$95.64
each
Square D
MFR: Schneider Electric
MFR #: HOM115
UPC: 785901065203
Item #: 99831
In Stock
-
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$41.92
each
Square D
MFR: Schneider Electric
MFR #: QO250
UPC: 785901400523
Item #: 153737
In Stock
-
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$79.35
each
Leviton
MFR: Leviton
MFR #: LB230-T
UPC: 078477644683
Item #: 1108818
In Stock
-
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$28.34
each
Square D
MFR: Schneider Electric
MFR #: QO120GFI
UPC: 785901255079
Item #: 32265
In Stock
-
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$276.14
each
Leviton
MFR: Leviton
MFR #: LB120-DFT
UPC: 078477644836
Item #: 1108828
In Stock
-
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$140.23
each
Square D
MFR: Schneider Electric
MFR #: HOM115PCAFI
UPC: 785901950806
Item #: 232075
In Stock
-
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$288.34
each
Square D
MFR: Schneider Electric
MFR #: HOM120PDF
UPC: 785901978343
Item #: 228633
In Stock
-
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$331.54
each
Square D
MFR: Schneider Electric
MFR #: HOM220
UPC: 785901065289
Item #: 104325
In Stock
-
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$95.64
each
Square D
MFR: Schneider Electric
MFR #: HOM250
UPC: 785901065326
Item #: 108567
In Stock
-
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$95.64
each
Square D
MFR: Schneider Electric
MFR #: QO240
UPC: 785901400486
Item #: 153113
In Stock
-
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$79.35
each
Square D
MFR: Schneider Electric
MFR #: HOM260
UPC: 785901065333
Item #: 109233
In Stock
-
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$95.64
each
Eaton
MFR: Eaton
MFR #: CHF250
UPC: 786685532172
Item #: 34293
In Stock
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Square D
MFR: Schneider Electric
MFR #: QO215
UPC: 785901400301
Item #: 151882
Available to Order
$79.35
each
Square D
MFR: Schneider Electric
MFR #: HOMT2020
UPC: 785901065401
Item #: 115793
In Stock
-
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$82.89
each
Square D
MFR: Schneider Electric
MFR #: HOM225
UPC: 785901065487
Item #: 105081
In Stock
-
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$95.64
each
Square D
MFR: Schneider Electric
MFR #: QO115
UPC: 785901400066
Item #: 148565
In Stock
-
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$34.46
each
Eaton
MFR: Eaton
MFR #: CHF120
UPC: 786685361840
Item #: 81644
In Stock
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Eaton
MFR: Eaton
MFR #: BR230
UPC: 786676362955
Item #: 102788
In Stock
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Square D
MFR: Schneider Electric
MFR #: QOB120
UPC: 785901416722
Item #: 161405
In Stock
-
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$46.70
each
Eaton
MFR: Eaton
MFR #: BR115
UPC: 786676362054
Item #: 149352
In Stock
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Eaton
MFR: Eaton
MFR #: BR240
UPC: 786676363006
Item #: 134720
In Stock
-
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Eaton
MFR: Eaton
MFR #: BR250
UPC: 786676363051
Item #: 179763
In Stock
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Eaton
MFR: Eaton
MFR #: BR260
UPC: 786676363105
Item #: 180460
In Stock
-
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Square D
MFR: Schneider Electric
MFR #: HOM215
UPC: 785901065265
Item #: 103582
Available to Order
$95.64
each
In Stock
-
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$46.12
each
Square D
MFR: Schneider Electric
MFR #: QO200TR
UPC: 785901535966
Item #: 12298
In Stock
-
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$213.19
each
Square D
MFR: Schneider Electric
MFR #: HOM120PCAFI
UPC: 785901594475
Item #: 227098
In Stock
-
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$288.34
each
Square D
MFR: Schneider Electric
MFR #: HOM4080M200PC
UPC: 785901977575
Item #: 231715
In Stock
-
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$1335.98
each
Square D
MFR: Schneider Electric
MFR #: QO115PCAFI
UPC: 785901062615
Item #: 142916
Available to Order
$307.12
each
Eaton
MFR: Eaton
MFR #: BRN115AF
UPC: 786689040888
Item #: 889413
In Stock
-
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$357.58
each
Eaton
MFR: Eaton
MFR #: BRN120AF
UPC: 786689040895
Item #: 889415
In Stock
-
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$357.58
each
Eaton
MFR: Eaton
MFR #: BRN120DF
UPC: 786689059699
Item #: 894810
In Stock
-
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$391.54
each
Eaton
MFR: Eaton
MFR #: BRP120DF
UPC: 786670009207
Item #: 843607
In Stock
-
Check Availability
$391.54
each
Eaton
MFR: Eaton
MFR #: BRP120AF
UPC: 786689041021
Item #: 843602
In Stock
-
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$357.58
each
Leviton
MFR: Leviton
MFR #: LB120-AFT
UPC: 078477644812
Item #: 1108826
In Stock
-
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$103.55
each
Leviton
MFR: Leviton
MFR #: LB120-GFT
UPC: 078477644850
Item #: 1108830
In Stock
-
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$118.64
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.