Get $50 Back when you spend $500+ Use Code FIFTY — Offer ends 12/15

Circuit Breakers, Panels & Components

Featured Collections

1 Pole Circuit Breakers
1 Pole Circuit Breakers
1184 Items
2 Pole Circuit Breakers
2 Pole Circuit Breakers
2720 Items
3 Pole Circuit Breakers
3 Pole Circuit Breakers
4579 Items
Quad Circuit Breakers
Quad Circuit Breakers
103 Items
Tandem Circuit Breakers
Tandem Circuit Breakers
54 Items
Circuit Breakers
Shop all
Breaker Components
Shop all
Panels & Accessories
Shop all

Bestsellers

13621 results
Sort by:
Best selling
General Electric TEY3100 3 Pole Circuit Breaker
General Electric TEY3100 3 Pole Circuit Breaker
Brand: General Electric
SKU: TEY3100
  • $269.98
    In stock
  • Inquire
    No stock
Siemens BQD360 3 Pole Circuit Breaker
Siemens BQD360 3 Pole Circuit Breaker
Brand: Siemens
SKU: BQD360
  • $180.00
    In stock
  • Inquire
    No stock
Square D FA36100 3 Pole Circuit Breaker
Square D FA36100 3 Pole Circuit Breaker
Brand: Square D
SKU: FA36100
  • $1566.00
    In stock
  • $422.68
    In stock
Square D PK23GTA Ground Bar
Square D PK23GTA Ground Bar
Brand: Square D
SKU: PK23GTA
  • $22.45
    In stock
Eaton/Cutler-Hammer BAB3050H 3 Pole Circuit Breaker
Eaton/Cutler-Hammer BAB3050H 3 Pole Circuit Breaker
Brand: Eaton/Cutler-Hammer
SKU: BAB3050H
  • $105.99
    In stock
  • Inquire
    No stock
Eaton/Cutler-Hammer BAB1030 1 Pole Circuit Breaker
Eaton/Cutler-Hammer BAB1030 1 Pole Circuit Breaker
Brand: Eaton/Cutler-Hammer
SKU: BAB1030
  • $25.89
    In stock
  • Inquire
    No stock
Siemens B3100 3 Pole Circuit Breaker
Siemens B3100 3 Pole Circuit Breaker
Brand: Siemens
SKU: B3100
  • $102.99
    In stock
  • Inquire
    No stock
General Electric TCLK365 Lug Terminal Kit
General Electric TCLK365 Lug Terminal Kit
Brand: General Electric
SKU: TCLK365
  • $112.91
    In stock
Square D QO230GFI 2 Pole Circuit Breaker Ground Fault
Square D QO230GFI 2 Pole Circuit Breaker Ground Fault
Brand: Square D
SKU: QO230GFI
  • $92.99
    In stock
Eaton/Cutler-Hammer BAB2050 2 Pole Circuit Breaker
Eaton/Cutler-Hammer BAB2050 2 Pole Circuit Breaker
Brand: Eaton/Cutler-Hammer
SKU: BAB2050
  • $54.35
    In stock
  • Inquire
    No stock
Square D QO240 2 Pole Circuit Breaker
Square D QO240 2 Pole Circuit Breaker
Brand: Square D
SKU: QO240
  • $27.68
    In stock
  • Inquire
    No stock
Eaton/Cutler-Hammer CHFCAF120 1 Pole Circuit Breaker
Eaton/Cutler-Hammer CHFCAF120 1 Pole Circuit Breaker
Brand: Eaton/Cutler-Hammer
SKU: CHFCAF120
  • $104.40
    In stock
Federal Pacific NA2P100 2 Pole Circuit Breaker
Federal Pacific NA2P100 2 Pole Circuit Breaker
Brand: Federal Pacific
SKU: NA2P100
  • Inquire
    No stock
  • Inquire
    No stock
Square D QOB260 2 Pole Circuit Breaker
Square D QOB260 2 Pole Circuit Breaker
Brand: Square D
SKU: QOB260
  • $29.90
    In stock
  • $14.03
    In stock
Federal Pacific NB100 2 Pole Circuit Breaker
Federal Pacific NB100 2 Pole Circuit Breaker
Brand: Federal Pacific
SKU: NB100-R
  • Inquire
    No stock
  • $179.98
    In stock
General Electric THQL1120GF 1 Pole Circuit Breaker
General Electric THQL1120GF 1 Pole Circuit Breaker
Brand: General Electric
SKU: THQL1120GF
  • $75.60
    In stock
General Electric SRPE30A30 Rating Plug
General Electric SRPE30A30 Rating Plug
Brand: General Electric
SKU: SRPE30A30
  • $134.98
    In stock
Square D EDB34070 3 Pole Circuit Breaker
Square D EDB34070 3 Pole Circuit Breaker
Brand: Square D
SKU: EDB34070
  • $359.99
    In stock
  • Inquire
    No stock
Siemens QJ23B200 3 Pole Circuit Breaker
Siemens QJ23B200 3 Pole Circuit Breaker
Brand: Siemens
SKU: QJ23B200-R
  • Inquire
    Low stock
  • $395.00
    In stock
Siemens Q120 1 Pole Circuit Breaker
Siemens Q120 1 Pole Circuit Breaker
Brand: Siemens
SKU: Q120
  • $6.65
    In stock
  • Inquire
    No stock
Square D QOU220 2 Pole Circuit Breaker
Square D QOU220 2 Pole Circuit Breaker
Brand: Square D
SKU: QOU220
  • $44.66
    In stock
  • Inquire
    No stock
General Electric TEY360 3 Pole Circuit Breaker
General Electric TEY360 3 Pole Circuit Breaker
Brand: General Electric
SKU: TEY360
  • $254.80
    In stock
  • Inquire
    No stock
Square D EHB34020 3 Pole Circuit Breaker
Square D EHB34020 3 Pole Circuit Breaker
Brand: Square D
SKU: EHB34020
  • $1740.00
    In stock
  • $437.75
    In stock
Square D EDB14020 1 Pole Circuit Breaker
Square D EDB14020 1 Pole Circuit Breaker
Brand: Square D
SKU: EDB14020
  • $69.99
    In stock
  • $23.94
    In stock
Square D QO120PCAFI 1 Pole Circuit Breaker
Square D QO120PCAFI 1 Pole Circuit Breaker
Brand: Square D
SKU: QO120PCAFI
  • $35.87
    In stock
Siemens BQD120 1 Pole Circuit Breaker
Siemens BQD120 1 Pole Circuit Breaker
Brand: Siemens
SKU: BQD120
  • $49.99
    In stock
  • $28.99
    In stock
Eaton/Cutler-Hammer CHT2020 1 Pole Circuit Breaker
Eaton/Cutler-Hammer CHT2020 1 Pole Circuit Breaker
Brand: Eaton/Cutler-Hammer
SKU: CHT2020
  • $54.32
    In stock
  • Inquire
    No stock
Eaton/Cutler-Hammer BAB2040 2 Pole Circuit Breaker
Eaton/Cutler-Hammer BAB2040 2 Pole Circuit Breaker
Brand: Eaton/Cutler-Hammer
SKU: BAB2040
  • $58.23
    In stock
  • Inquire
    No stock
General Electric THQB32050 3 Pole Circuit Breaker
General Electric THQB32050 3 Pole Circuit Breaker
Brand: General Electric
SKU: THQB32050
  • Inquire
    No stock
  • Inquire
    No stock
Siemens Q330 3 Pole Circuit Breaker
Siemens Q330 3 Pole Circuit Breaker
Brand: Siemens
SKU: Q330
  • $63.95
    In stock
  • Inquire
    No stock
Siemens BQD350 3 Pole Circuit Breaker
Siemens BQD350 3 Pole Circuit Breaker
Brand: Siemens
SKU: BQD350
  • $192.85
    In stock
  • Inquire
    No stock
Square D QOB220GFI 2 Pole Circuit Breaker Ground Fault
Square D QOB220GFI 2 Pole Circuit Breaker Ground Fault
Brand: Square D
SKU: QOB220GFI
  • $226.80
    In stock
  • Inquire
    No stock
Eaton/Cutler-Hammer GFCB250 2 Pole Circuit Breaker
Eaton/Cutler-Hammer GFCB250 2 Pole Circuit Breaker
Brand: Eaton/Cutler-Hammer
SKU: GFCB250
  • Inquire
    No stock
  • Inquire
    No stock
General Electric SFLA36AT0250 3 Pole Circuit Breaker
General Electric SFLA36AT0250 3 Pole Circuit Breaker
Brand: General Electric
SKU: SFLA36AT0250
  • $1663.20
    In stock
  • $899.95
    In stock
Square D S29386 Shunt Trip
Square D S29386 Shunt Trip
Brand: Square D
SKU: S29386
  • $313.41
    In stock
General Electric SELA36AT0060 Frame
General Electric SELA36AT0060 Frame
Brand: General Electric
SKU: SELA36AT0060
  • $868.56
    In stock
  • $294.98
    In stock
General Electric SELA36AT0030 Frame
General Electric SELA36AT0030 Frame
Brand: General Electric
SKU: SELA36AT0030
  • $684.60
    In stock
  • $319.00
    In stock
Square D QO115PCAFI 1 Pole Circuit Breaker Arc Fault
Square D QO115PCAFI 1 Pole Circuit Breaker Arc Fault
Brand: Square D
SKU: QO115PCAFI
  • $47.38
    In stock
Eaton CHFP120DF 1 Pole Dual Function Circuit Breaker
Eaton CHFP120DF 1 Pole Dual Function Circuit Breaker
Brand: Eaton
SKU: CHFP120DF
  • $49.98
    In stock
Eaton/Cutler-Hammer KPRL3AFD3 Twin Mount Mounting Hardware
Eaton/Cutler-Hammer KPRL3AFD3 Twin Mount Mounting Hardware
Brand: Eaton/Cutler-Hammer
SKU: KPRL3AFD3
  • $375.55
    In stock
Square D EDB34080 3 Pole Circuit Breaker
Square D EDB34080 3 Pole Circuit Breaker
Brand: Square D
SKU: EDB34080
  • $364.50
    In stock
  • Inquire
    No stock
Siemens QF260A 2 Pole Circuit Breaker
Siemens QF260A 2 Pole Ground Fault Circuit Breaker
Brand: Siemens
SKU: QF260A
  • $164.98
    In stock
Square D LA36400 3 Pole Circuit Breaker
Square D LA36400 3 Pole Circuit Breaker
Brand: Square D
SKU: LA36400
  • $3400.00
    In stock
  • $1445.52
    In stock
Square D QO260 2 Pole Circuit Breaker
Square D QO260 2 Pole Circuit Breaker
Brand: Square D
SKU: QO260
  • Inquire
    No stock
  • $25.50
    In stock
Square D FA36020 3 Pole Circuit Breaker
Square D FA36020 3 Pole Circuit Breaker
Brand: Square D
SKU: FA36020
  • $1347.08
    In stock
  • $199.99
    In stock
Siemens B240 2 Pole Circuit Breaker
Siemens B240 2 Pole Circuit Breaker
Brand: Siemens
SKU: B240
  • $32.52
    In stock
  • Inquire
    No stock
General Electric SELA36AT0100 Frame
General Electric SELA36AT0100 Frame
Brand: General Electric
SKU: SELA36AT0100
  • $719.60
    In stock
  • $384.98
    In stock
Square D QOU115 1 Pole Circuit Breaker
Square D QOU115 1 Pole Circuit Breaker
Brand: Square D
SKU: QOU115
  • $20.54
    In stock
  • Inquire
    No stock
Don't see what you're looking for?
Contact us today for expert assistance sourcing your part.
Get a Quote
Show: 
48 Items