Circuit Breakers

Eaton BR thermal magnetic circuit breaker,Type BR 1-Inch plug-on circuit breaker,20 A,10 kAIC,Single-pole,120/240V,BR,#14-4 AWG Cu/Al,Q1,BR,Type BR loadcenters Molded Case Circuit Breakers
Mini circuit breaker, Homeline, 20A, 1 pole, 120/240VAC, 10kA AIR, standard type, plug in, UL Miniature Circuit Breakers
Multi 9 - C60BP - MCB - 1P - 20 A - C Curve - 277 V - 10 kA - UL 489 Low Voltage Circuit Breakers
Branch Circuit Breaker, GFCI 1-Pole 20A 120V, 10Ka Interrupt Rating GFCI Circuit Breakers
Showing 3505 - 3552 of 5547 Items
Filters Clear Filters
expand_less Brand (3)
+ Show 11 More
expand_less Ways to Shop
expand_less Circuit Breaker Type
+ Show 4 More
expand_less Amperage Rating
+ Show 36 More
expand_less Voltage Rating (AC)
+ Show 8 More
expand_less Mounting
expand_less Number of Poles
expand_less Interrupt Rating
+ Show 13 More
expand_less Trip Type
  • Eaton
  • Schneider Electric
  • Siemens
Eaton
Eaton Series G molded case circuit breaker, EG-frame, EG, Complete breaker, Fixed thermal, fixed magnetic trip, Single-pole, 20A, 600Y/347 Vac, 100 kAIC at 240 Vac, 65 kAIC at 480 Vac, 35 kAIC at 600Y/347 Vac, Bolt-on, 50/60 Hz
MFR: Eaton
MFR #: EGH1020FFB
UPC: 786685381695
Item #: 684233
Available to Order
$441.83 each
Availability
Location Available Qty
Eaton
Eaton molded case circuit breaker accessory handle mechanism, S2 Handle mechanism, Frame EG, Black/blue, Series G, NEMA 1/3R/12, 24 Inch
MFR: Eaton
MFR #: EGHMVD24B
UPC: 786685405544
Item #: 839569
Available to Order
$425.94 each
Availability
Location Available Qty
Eaton
Eaton Series G molded case circuit breaker, EG-frame, EG, Complete breaker, Fixed thermal, fixed magnetic trip, Three-pole, 100A, 600Y/347 Vac, 100 kAIC at 240 Vac, 65 kAIC at 480 Vac, 35 kAIC at 600Y/347 Vac, Bolt-on, 50/60 Hz
MFR: Eaton
MFR #: EGH3100FFB
UPC: 786685381947
Item #: 206789
Available to Order
$1689.79 each
Availability
Location Available Qty
Eaton
Eaton Series G electronic molded case circuit breaker, NG-frame, NG, Digitrip 310 RMS, Electronic LSG trip, Three-pole, 1200 A, 480 Vac, 100 kAIC at 240 Vac, 65 kAIC at 480 Vac, Line and load, Imperial, 50/60 Hz, 80% rated
MFR: Eaton
MFR #: NGH312035E
UPC: 786685379265
Item #: 526234
Available to Order
$29680.15 each
Availability
Location Available Qty
Eaton
Eaton molded case circuit breaker accessory handle mechanism, Handle mechanism, Black, Series C
MFR: Eaton
MFR #: EHMVD06B
UPC: 786685405643
Item #: 734208
Available to Order
$158.27 each
Availability
Location Available Qty
Eaton
Eaton Series G molded case circuit breaker, EG-frame, EG, Complete breaker, Fixed thermal, fixed magnetic trip, Three-pole, 80A, 600Y/347 Vac, 85 kAIC at 240 Vac, 35 kAIC at 480 Vac, 22 kAIC at 600Y/347 Vac, Bolt-on, 50/60 Hz
MFR: Eaton
MFR #: EGS3080FFB
UPC: 786685382203
Item #: 999721
Available to Order
$1185.71 each
Availability
Location Available Qty
Eaton
Eaton Series G molded case circuit breaker, EG-frame, EG, Complete breaker, Fixed thermal, fixed magnetic trip type, Three-pole, 40A, 600Y/347 Vac, 25 kAIC at 240 Vac, 18 kAIC at 480 Vac, Bolt-on, 50/60 Hz
MFR: Eaton
MFR #: EGB3040FFB
UPC: 786685381626
Item #: 280706
Available to Order
$852.03 each
Availability
Location Available Qty
Eaton
Eaton Series G molded case circuit breaker, EG-frame, EG, Complete breaker, Fixed thermal, fixed magnetic trip, Single-pole, 20A, 600Y/347 Vac, 85 kAIC at 240 Vac, 35 kAIC at 480 Vac, 22 kAIC at 600Y/347 Vac, Bolt-on, 50/60 Hz
MFR: Eaton
MFR #: EGS1020FFB
UPC: 786685381978
Item #: 293791
Available to Order
$363.26 each
Availability
Location Available Qty
Eaton
Eaton Series G molded case circuit breaker, EG-frame, EG, Complete breaker, Fixed thermal, fixed magnetic trip, Three-pole, 20A, 600Y/347 Vac, 85 kAIC at 240 Vac, 35 kAIC at 480 Vac, 22 kAIC at 600Y/347 Vac, Bolt-on, 50/60 Hz
MFR: Eaton
MFR #: EGS3020FFB
UPC: 786685382111
Item #: 183677
Available to Order
$1056.12 each
Availability
Location Available Qty
Eaton
Eaton Series G molded case circuit breaker, EG-frame, EG, Complete breaker, Fixed thermal, fixed magnetic trip, Three-pole, 70A, 600Y/347 Vac, 100 kAIC at 240 Vac, 65 kAIC at 480 Vac, 35 kAIC at 600Y/347 Vac, Bolt-on, 50/60 Hz
MFR: Eaton
MFR #: EGH3070FFB
UPC: 786685381916
Item #: 208242
Available to Order
$1689.79 each
Availability
Location Available Qty
Eaton
Eaton molded case circuit breaker accessory motor operator, Motor protection circuit breaker, 100 A, 35 kAIC at 480 V, Frame J-K, Adjustable motor class protection, Series C
MFR: Eaton
MFR #: FDMP3100JL
UPC: 786685368788
Item #: 549547
Available to Order
$3032.59 each
Availability
Location Available Qty
Eaton
Eaton molded case circuit breakers electrical aftermarket accessory rating plug, Fixed rating plug, 500 A, For 800 A frames: MC, MCA, MCG, MCGA, HMC, HMCA, HMCG, HMCGA, MCC, MCCA, HMCC, HMCCA, MCCG, MCCGA, HMCCG, HMCCGA, Frame J-K
MFR: Eaton
MFR #: 8MC500
UPC: 786679149850
Item #: 1111594
Available to Order
$826.31 each
Availability
Location Available Qty
Eaton
Eaton Series C complete molded case circuit breaker, F-frame, FD, Complete breaker, Fixed thermal, Fixed magnetic trip type, Single-pole, 80 A, 347 Vac, 125 Vdc, 35 kAIC at 277 Vac, 18 kAIC at 347 Vac, Load side, 50/60 Hz
MFR: Eaton
MFR #: FD1080
UPC: 786679315583
Item #: 1278987
Available to Order
$837.94 each
Availability
Location Available Qty
Eaton
Eaton Series C complete molded case circuit breaker, J-frame, HJD, Complete breaker, Fixed thermal, Fixed magnetic trip type, Three-pole, 100 A, 600 Vac, 250 Vdc, 100 kAIC at 240 Vac, 65 kAIC at 480 Vac, 50/60 Hz
MFR: Eaton
MFR #: HJD3100
UPC: 786679318980
Item #: 18259
Available to Order
$8897.70 each
Availability
Location Available Qty
Eaton
Eaton molded case circuit breaker accessory motor protection, Motor circuit protector, 150 A, Three-pole, 1A-1B Left pigtail rear, Frame J-K, 750-2500 A, Series C, Non-aluminum
MFR: Eaton
MFR #: HMCP150U4CA02
UPC: 786679247983
Item #: 205289
Available to Order
$2851.11 each
Availability
Location Available Qty
Eaton
Eaton molded case circuit breaker accessory motor protection, Motor circuit protector, 400 A, Three-pole, Frame K, 1500-3000 A, 600 V, 250 Vdc, Series C, Line and load, Non-aluminum
MFR: Eaton
MFR #: HMCP400N5C
UPC: 786679342589
Item #: 360910
Available to Order
$6355.77 each
Availability
Location Available Qty
Eaton
Eaton Series C complete molded case circuit breaker, K-frame, DK, Complete breaker, Fixed thermal, fixed magnetic trip type, Three-pole, 400A, 240 Vac, 250 Vdc, 65 kAIC at 240 Vac, 10 kAIC at 250 Vdc, Without terminals, 50/60 Hz
MFR: Eaton
MFR #: DK3400W
UPC: 786679044698
Item #: 610636
Available to Order
$6805.42 each
Availability
Location Available Qty
Eaton
Eaton molded case circuit breaker accessory handle mechanism, Through-the-door handle mechanism, N-Frame, Frame J-K, Rotary, Series C, 12 in
MFR: Eaton
MFR #: HM5R12
UPC: 786679459256
Item #: 1209932
Available to Order
$438.43 each
Availability
Location Available Qty
Eaton
Eaton Series C complete molded case circuit breaker, F-frame, FD, Complete breaker, Fixed thermal, fixed magnetic trip type, Two-pole, 30A, 600 Vac, 250 Vdc, 65 kAIC at 240 Vac, 35 kAIC at 480 Vac, Line and load, 50/60 Hz
MFR: Eaton
MFR #: FD2030L
UPC: 786679451687
Item #: 507924
Available to Order
$1856.45 each
Availability
Location Available Qty
Eaton
Eaton Series C complete molded case circuit breaker, F-frame, HFD, Complete breaker, Fixed thermal, fixed magnetic trip type, Three-pole, 25A, 600 Vac, 250 Vdc, 100 kAIC at 240 Vac, 65 kAIC at 480 Vac, Line and load, 50/60 Hz
MFR: Eaton
MFR #: HFD3025L
UPC: 786679175088
Item #: 351736
Available to Order
$2247.88 each
Availability
Location Available Qty
Eaton
Eaton Series C molded case switch, L-frame, LDB, Molded case switch, Fixed thermal, fixed magnetic trip type, Three-pole, 600A, 65 kAIC at 240 Vac, 35 kAIC at 480 Vac, Without terminals, 50/60 Hz
MFR: Eaton
MFR #: LDB3600WK
UPC: 786679061879
Item #: 1019415
Available to Order
$12911.01 each
Availability
Location Available Qty
Eaton
Eaton molded case circuit breaker accessory motor operator, Imperial end cap kit, Three-pole, JG-Frame, Frame J-K, Series G
MFR: Eaton
MFR #: FJ3RTDK
UPC: 782113527369
Item #: 614740
Available to Order
$29.36 each
Availability
Location Available Qty
Eaton
Eaton Series C complete molded case circuit breaker, G-frame, GD, Complete breaker, Fixed thermal, fixed magnetic trip type, Three-pole, 100A, 480 Vac, 125/250 Vdc, 65 kAIC at 240 Vac, 22 kAIC at 480 Vac, 50/60 Hz
MFR: Eaton
MFR #: GD3100
UPC: 786679072936
Item #: 104704
Available to Order
$1225.56 each
Availability
Location Available Qty
Eaton
Eaton molded case circuit breaker accessory motor protection, Motor circuit protector, 150 A, Three-pole, 2A-2B Left pigtail rear, Frame J-K, 450-1500 A, 600 V, 250 Vdc, Series C, Line and load, Non-aluminum
MFR: Eaton
MFR #: HMCP150T4CA10
UPC: 786679015216
Item #: 649447
Available to Order
$3227.89 each
Availability
Location Available Qty
Eaton
Eaton molded case circuit breaker accessory terminal, One terminal and one cover per pole kit, 450 A, #4-4/0 AWG Cu/Al, Frame J-K, Series C
MFR: Eaton
MFR #: TA450LD
UPC: 786679423530
Item #: 206346
Available to Order
$117.21 each
Availability
Location Available Qty
Eaton
Eaton molded case circuit breaker accessory handle mechanism, S2 Handle mechanism, Frame EG, Red/yellow, Series G, NEMA 1/3R/12, 24, Inch
MFR: Eaton
MFR #: EGHMVD24R
UPC: 786685405605
Item #: 873540
Available to Order
$425.94 each
Availability
Location Available Qty
Eaton
Eaton Series G molded case circuit breaker, JG-frame, JG, Fixed thermal, adjustable magnetic trip, Three-pole, 125A, 600 Vac, 100 kAIC at 240 Vac, 65 kAIC at 480 Vac, 25 kAIC at 600 Vac, Line and load, Metric, 50/60 Hz, 80% rated
MFR: Eaton
MFR #: JGH3125FAG
UPC: 782113963419
Item #: 215658
Available to Order
$5531.16 each
Availability
Location Available Qty
Eaton
Eaton molded case circuit breaker accessory padlockable handle lock hasp, Padlockable handle lock hasp, LG-Frame, Series C
MFR: Eaton
MFR #: LPHLOFF
UPC: 782116168828
Item #: 864214
Available to Order
$95.67 each
Availability
Location Available Qty
Eaton
Eaton Series C complete molded case circuit breaker, K-frame, KD, Complete breaker, Fixed thermal, fixed magnetic trip type, Three-pole, 250A, 600 Vac, 250 Vdc, 65 kAIC at 240 Vac, 35 kAIC at 480 Vac, Without terminals, 50/60 Hz
MFR: Eaton
MFR #: KD3250W
UPC: 786679080375
Item #: 224835
Available to Order
$8006.36 each
Availability
Location Available Qty
Eaton
Eaton molded case circuit breaker accessory shunt trip, Fixed shunt trip, 110-240 V, Pigtail leads, Frame L-F, Series C, Right-hand mounting
MFR: Eaton
MFR #: SNT4RP11K
UPC: 786679575079
Item #: 355738
Available to Order
$1674.99 each
Availability
Location Available Qty
Eaton
Eaton E2 mining complete molded case circuit breaker, K-frame, E2K, Complete breaker, Interchangeable thermal-magnetic trip, 2000-4000A trip rating, Three-pole, 400A, 600 Vac, 250 Vdc, Line and load, Mining
MFR: Eaton
MFR #: E2K3400
UPC: 782114981672
Item #: 1254205
Available to Order
$5646.08 each
Availability
Location Available Qty
Eaton
Eaton molded case circuit breaker accessory handle mechanism, Handle mechanism, L- and MDL-Frame, Frame J-K, Series C, 16 in
MFR: Eaton
MFR #: HM4R16
UPC: 786679459102
Item #: 330658
Available to Order
$456.97 each
Availability
Location Available Qty
Eaton
Eaton Series C complete molded case circuit breaker, F-frame, FD, Complete breaker, Fixed thermal, Fixed magnetic trip type, Three-pole, 45 A, 600 Vac, 250 Vdc, Load side, 50/60 Hz
MFR: Eaton
MFR #: FD3045
UPC: 786679305546
Item #: 194116
Available to Order
$2166.95 each
Availability
Location Available Qty
Eaton
Eaton molded case circuit breaker accessory terminal, Standard Cu/Al pressure terminals, (2) 250-500 kcmil Cu/Al, Used with 600 A frame breakers only, Frame J-K, Series C
MFR: Eaton
MFR #: TA600LA
UPC: 786679424056
Item #: 154756
Available to Order
$302.54 each
Availability
Location Available Qty
Eaton
Series C, J-frame molded case circuit breaker, High magnetic molded case switch, 250A, Three-pole, Without terminals, Interchangeable thermal magnetic trip, HJD breaker
MFR: Eaton
MFR #: HJD3250KW
UPC: 786679010716
Item #: 670977
Available to Order
$6005.58 each
Availability
Location Available Qty
Eaton
Eaton molded case circuit breaker accessory trip unit, Trip unit, Trip unit thermal-magnetic, 175 A, Three-pole, Fixed thermal, adjustable magnetic, JT, Frame J-K, Series C
MFR: Eaton
MFR #: JT3175T
UPC: 786679404140
Item #: 348973
Available to Order
$2375.50 each
Availability
Location Available Qty
Eaton
Eaton Series C complete molded case circuit breaker, K-frame, KD, Fixed thermal and magnetic trips, Three-pole, 300A, 600 Vac, 250 Vdc, 65 kAIC at 240 Vac, 35 kAIC at 480 Vac, Optional Line/load, Single-pole imperial mounting base
MFR: Eaton
MFR #: KD3300M01Z15
UPC: 782114991091
Item #: 840509
Available to Order
$8383.57 each
Availability
Location Available Qty
Eaton
Eaton molded case circuit breaker accessory motor protection, Motor circuit protector, 7 A, Three-pole, Electric starters, 1A-1B Left pigtail rear, Frame J-K, 21-70 A, 600 V, 250 Vdc, Series C, Non-aluminum
MFR: Eaton
MFR #: HMCPS007C0CA02
UPC: 786679007341
Item #: 827641
Available to Order
$1574.14 each
Availability
Location Available Qty
Eaton
Eaton molded case circuit breaker accessory motor protection, Motor circuit protector, 600 A, Three-pole, Frame L, 1800-6000 A, 600 V, 250 Vdc, Series C, Line and load, Non-aluminum
MFR: Eaton
MFR #: HMCP600L6C
UPC: 782114345498
Item #: 241487
Available to Order
$10783.92 each
Availability
Location Available Qty
Eaton
Eaton Series C complete molded case circuit breaker, L-frame, LD, Complete breaker, Fixed thermal, Fixed magnetic trip, Three-pole, 350 A, 600 Vac, 250 Vdc, 65 kAIC at 240 Vac, 35 kAIC at 480 Vac, Aluminum, Line and load, 50/60 Hz
MFR: Eaton
MFR #: LD3350
UPC: 786679019030
Item #: 1284176
Available to Order
$13257.32 each
Availability
Location Available Qty
Eaton
Eaton Series C complete molded case circuit breaker, F-frame, HFD, Complete breaker, Fixed thermal, Fixed magnetic trip type, Single-pole, 100 A, 347 Vac, 125 Vdc, 100 kAIC at 240 Vac, 65 kAIC at 480 Vac, Load side, 50/60 Hz
MFR: Eaton
MFR #: HFD1100
UPC: 786679175354
Item #: 1116015
Available to Order
$839.75 each
Availability
Location Available Qty
Eaton
Eaton molded case circuit breaker accessory shunt trip, Shunt trip, G20, 24 V, For type GB, GC breakers, Frame J-K, Series C
MFR: Eaton
MFR #: 1373D62G20
UPC: 782114396247
Item #: 776335
Available to Order
$1461.55 each
Availability
Location Available Qty
Eaton
Eaton Series C complete molded case circuit breaker, K-frame molded case circuit breaker, 175 A, Three-pole, 600 Vac, 250 Vdc, 35 kAIC at 480V, Interchangeable electronic trip, KD breaker
MFR: Eaton
MFR #: KD3175
UPC: 786679349137
Item #: 483137
Available to Order
$8391.28 each
Availability
Location Available Qty
Eaton
Eaton Series C complete molded case circuit breaker, G-frame, GHC, Complete breaker, Fixed thermal, fixed magnetic trip type, Three-pole, 40A, 480Y/277 Vac, 125/250 Vdc, 65 kAIC at 240 Vac, 14 kAIC at 480Y/277 Vac, 50/60 Hz
MFR: Eaton
MFR #: GHC3040
UPC: 786679174241
Item #: 825612
Available to Order
$879.33 each
Availability
Location Available Qty
Eaton
Eaton Series C complete molded case circuit breaker, F-frame, FWF, Complete breaker, Fixed thermal, fixed magnetic trip type, Three-pole, 125A, 690 Vac, 40 kAIC at 415 Vac, Line and load
MFR: Eaton
MFR #: FWF3125L
UPC: 782114654071
Item #: 1161710
Available to Order
$5237.67 each
Availability
Location Available Qty
Eaton
Eaton Series C complete molded case circuit breaker, F-frame, HFD, Complete breaker, Fixed thermal, Fixed magnetic trip type, Three-pole, 45 A, 600 Vac, 250 Vdc, 100 kAIC at 240 Vac, 65 kAIC at 480 Vac, Load side, 50/60 Hz
MFR: Eaton
MFR #: HFD3045
UPC: 786679175934
Item #: 276643
Available to Order
$2225.28 each
Availability
Location Available Qty
Eaton
Eaton Series C complete molded case circuit breaker, K-frame, KD, Complete breaker, Fixed thermal, Fixed magnetic trip type, Three-pole, 100 A, 600 Vac, 250 Vdc, 65 kAIC at 240 Vac, 35 kAIC at 480 Vac, Line and load, 50/60 Hz
MFR: Eaton
MFR #: KD3100
UPC: 786679012970
Item #: 510576
Available to Order
$8391.28 each
Availability
Location Available Qty
Eaton
Eaton molded case circuit breaker accessory trip unit, Trip unit, 450 A, Three-pole, Thermal magnetic, For type MDL and HMDL breakers, Frame J-K, Series C
MFR: Eaton
MFR #: MT3450T
UPC: 782114350171
Item #: 1284185
Available to Order
$5403.57 each
Availability
Location Available Qty

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.