Hello 
Select address 
Returns
& Orders
Cart
HelloSelect address
AI SparkAI Mode
Menu
Newegg Business
Feedback
Help Center
Your Browsing History
  1. Home
  2. Automotive & Tools
  3. Generators & Electrical Supplies
  4. Circuit Breakers & Line Protection

Circuit Breakers & Line Protection

Power Search
  • In Stock
Brands
Show More
Price
Show More
Amperage Interrupt Rating
Horsepower
Maximum Surge Current
Number of Poles/Wires
Reset Type
Type
Show More
Voltage AC
Availability
Useful Links
Power Search
Sort By:
View:
GE TED136020WL Molded Case Circuit Breaker, TED Series, 20A, 3 Pole, 600V AC,
Quick View
GE TED136020WL Molded Case Circuit Breaker, TED Series, 20A, 3 Pole, 600V AC,
  • Brand: GE
  • Model #: TED136020WL
  •  
  • $985.99 –
SIEMENS FXD63B175 Molded Case Circuit Breaker, FXD6-A Series, 175A, 3 Pole,
Quick View
SIEMENS FXD63B175 Molded Case Circuit Breaker, FXD6-A Series, 175A, 3 Pole,
  • Brand: SIEMENS
  • Model #: FXD63B175
  •  
  • $3,832.99 –
Junc Box Encl,Mtllc,15In.Hx12In.Wx4In.D WIEGMANN SC121504G
Quick View
Junc Box Encl,Mtllc,15In.Hx12In.Wx4In.D WIEGMANN SC121504G
  • Brand: WIEGMANN
  • Type: Bus Plugs
  • Model #: SC121504G
  •  
  • $58.79 –
  • $5.00 Shipping
Siemens GMA161.1P MOD SR 24V,62LBIN,PLM
Quick View
Siemens GMA161.1P MOD SR 24V,62LBIN,PLM
  • Brand: SIEMENS
  • Model #: GMA161.1P
  •  
  • $294.99 –
SIEMENS ED41B020 Molded Case Circuit Breaker, ED4 Series, 20A, 1 Pole, 120/277V
Quick View
SIEMENS ED41B020 Molded Case Circuit Breaker, ED4 Series, 20A, 1 Pole, 120/277V
  • Brand: SIEMENS
  • Model #: ED41B020
  •  
  • $645.99 –
SIEMENS FXD63B250 Molded Case Circuit Breaker, FXD6-A Series, 250A, 3 Pole,
Quick View
SIEMENS FXD63B250 Molded Case Circuit Breaker, FXD6-A Series, 250A, 3 Pole,
  • Brand: SIEMENS
  • Model #: FXD63B250
  •  
  • $6,483.99 –
Junc Box Encl,Mtlc,12In.Hx 12In.Wx8In.D WIEGMANN SC121208
Quick View
Junc Box Encl,Mtlc,12In.Hx 12In.Wx8In.D WIEGMANN SC121208
  • Brand: WIEGMANN
  • Type: Bus Plugs
  • Model #: SC121208
  •  
  • $63.39 –
  • $5.00 Shipping
Wiegmann Enclosure Gray ANSI 61 Polyester Powder A060604
Quick View
Wiegmann Enclosure Gray ANSI 61 Polyester Powder A060604
  • Brand: WIEGMANN
  • Type: Bus Plugs
  • Material: HAWA
  • Model #: A060604
  •  
  • $20.85 –
  • $5.00 Shipping
WIEGMANN B242007CH Screw Clamps Electrical Enclosures, 24 in H, 7 in D, 20 in
Quick View
WIEGMANN B242007CH Screw Clamps Electrical Enclosures, 24 in H, 7 in D, 20 in
  • Brand: WIEGMANN
  • Model #: B242007CH
  •  
  • $532.99 –
Wiegmann Enclosure Gray ANSI 61 Polyester Powder A101204
Quick View
Wiegmann Enclosure Gray ANSI 61 Polyester Powder A101204
  • Brand: WIEGMANN
  • Type: Bus Plugs
  • Model #: A101204
  •  
  • $51.19 –
  • $5.00 Shipping
EATON EHD3015 Molded Case Circuit Breaker, EHD Series, 15A, 3 Pole, 480V AC,
Quick View
EATON EHD3015 Molded Case Circuit Breaker, EHD Series, 15A, 3 Pole, 480V AC,
  • Brand: EATON
  • Model #: EHD3015
  •  
  • $739.99 –
SIEMENS ED42B030 Molded Case Circuit Breaker, ED4 Series, 30A, 2 Pole, 480V AC,
Quick View
SIEMENS ED42B030 Molded Case Circuit Breaker, ED4 Series, 30A, 2 Pole, 480V AC,
  • Brand: SIEMENS
  • Model #: ED42B030
  •  
  • $1,440.99 –
SIEMENS BQD340 Miniature Circuit Breaker, BQD Series, 40A, 3 Pole, 480V AC,
Quick View
SIEMENS BQD340 Miniature Circuit Breaker, BQD Series, 40A, 3 Pole, 480V AC,
  • Brand: SIEMENS
  • Model #: BQD340
  •  
  • $734.99 –
EATON PDG23F0040TFFL Molded Case Circuit Breaker, PDG Series, 40A, 3 Pole, 600V
Quick View
EATON PDG23F0040TFFL Molded Case Circuit Breaker, PDG Series, 40A, 3 Pole, 600V
  • Brand: EATON
  • Model #: PDG23F0040TFFL
  •  
  • $468.99 –
SQUARE D QOB230EPD Miniature Circuit Breaker, QO Series, 30A, 2 Pole, 120/240V
Quick View
SQUARE D QOB230EPD Miniature Circuit Breaker, QO Series, 30A, 2 Pole, 120/240V
  • Brand: SQUARE D
  • Model #: QOB230EPD
  •  
  • $788.99 –
WIEGMANN BN4100804CHSSA Screws and Clamps Electrical Enclosures, 10 in H, 4 in
Quick View
WIEGMANN BN4100804CHSSA Screws and Clamps Electrical Enclosures, 10 in H, 4 in
  • Brand: WIEGMANN
  • Model #: BN4100804CHSSA
  •  
  • $496.99 –
ZORO SELECT 03-768BLK-MSD Vertical Panel Channelizer,45" H,8" dia.,
Quick View
ZORO SELECT 03-768BLK-MSD Vertical Panel Channelizer,45" H,8" dia.,
  • Brand: ZORO SELECT
  • Model #: 03-768BLK-MSD
  •  
  • $37.99 –
  • $5.00 Shipping
ZORO SELECT 03-768BLK-CPU Vertical Panel Channelizer,45" H,8" dia.,
Quick View
ZORO SELECT 03-768BLK-CPU Vertical Panel Channelizer,45" H,8" dia.,
  • Brand: ZORO SELECT
  • Model #: 03-768BLK-CPU
  •  
  • $37.99 –
  • $5.00 Shipping
SIGNMISSION A-1824-24127 Driveway No Semis on Lot No Truck Turn Around
Quick View
SIGNMISSION A-1824-24127 Driveway No Semis on Lot No Truck Turn Around
  • Brand: SIGNMISSION
  • Model #: A-1824-24127
  •  
  • $40.89 –
  • $5.00 Shipping
GE THQB21100 Miniature Circuit Breaker, THQB Series, 100A, 2 Pole, 120/240V AC,
Quick View
GE THQB21100 Miniature Circuit Breaker, THQB Series, 100A, 2 Pole, 120/240V AC,
  • Brand: GE
  • Model #: THQB21100
  •  
  • $360.99 –
SIEMENS ED43B030 Molded Case Circuit Breaker, ED4 Series, 30A, 3 Pole, 480V AC,
Quick View
SIEMENS ED43B030 Molded Case Circuit Breaker, ED4 Series, 30A, 3 Pole, 480V AC,
  • Brand: SIEMENS
  • Model #: ED43B030
  •  
  • $1,973.99 –
SQUARE D HDL36015 Molded Case Circuit Breaker, POWERPACT H Series, 15A, 3 Pole,
Quick View
SQUARE D HDL36015 Molded Case Circuit Breaker, POWERPACT H Series, 15A, 3 Pole,
  • Brand: SQUARE D
  • Model #: HDL36015
  •  
  • $883.99 –
SQUARE D QOB330VH Miniature Circuit Breaker, QO Series, 30A, 3 Pole, 120/240V
Quick View
SQUARE D QOB330VH Miniature Circuit Breaker, QO Series, 30A, 3 Pole, 120/240V
  • Brand: SQUARE D
  • Model #: QOB330VH
  •  
  • $396.99 –
EATON S811+N66N3S Soft Starter,66A,0 to 600VAC,3 Phase
Quick View
EATON S811+N66N3S Soft Starter,66A,0 to 600VAC,3 Phase
  • Brand: EATON
  • Model #: S811+N66N3S
SIEMENS ED43B050 Molded Case Circuit Breaker, ED4 Series, 50A, 3 Pole, 480V AC,
Quick View
SIEMENS ED43B050 Molded Case Circuit Breaker, ED4 Series, 50A, 3 Pole, 480V AC,
  • Brand: SIEMENS
  • Model #: ED43B050
  •  
  • $2,122.99 –
SQUARE D EDB24050 Miniature Circuit Breaker, E FRAME Series, 50A, 2 Pole,
Quick View
SQUARE D EDB24050 Miniature Circuit Breaker, E FRAME Series, 50A, 2 Pole,
  • Brand: SQUARE D
  • Model #: EDB24050
  •  
  • $556.99 –
WIEGMANN N4161206 Padlockable Hasp with Clamps Electrical Enclosures, 16 in H,
Quick View
WIEGMANN N4161206 Padlockable Hasp with Clamps Electrical Enclosures, 16 in H,
  • Brand: WIEGMANN
  • Model #: N4161206
  •  
  • $515.99 –
VITEK VT-BNC-CRMP-FL10 Coaxial Crimp Connector,BNC Female,PK10
Quick View
VITEK VT-BNC-CRMP-FL10 Coaxial Crimp Connector,BNC Female,PK10
  • Brand: VITEK
  • Type: Electrical Connectors
  • Model #: VT-BNC-CRMP-FL10
  •  
  • $16.15 –
  • $5.00 Shipping
WIEGMANN N1C303612 1/4 Turn Latch Electrical Enclosures, 36 in H, 12 in D, 30
Quick View
WIEGMANN N1C303612 1/4 Turn Latch Electrical Enclosures, 36 in H, 12 in D, 30
  • Brand: WIEGMANN
  • Model #: N1C303612
  •  
  • $442.99 –
SQUARE D EDB34025 Miniature Circuit Breaker, E FRAME Series, 25A, 3 Pole,
Quick View
SQUARE D EDB34025 Miniature Circuit Breaker, E FRAME Series, 25A, 3 Pole,
  • Brand: SQUARE D
  • Model #: EDB34025
  •  
  • $616.99 –
WIEGMANN N12242410 Padlockable Hasp Electrical Enclosures, 24 in H, 10 in D, 24
Quick View
WIEGMANN N12242410 Padlockable Hasp Electrical Enclosures, 24 in H, 10 in D, 24
  • Brand: WIEGMANN
  • Model #: N12242410
  •  
  • $653.99 –
WIEGMANN BN4121206CHSS Screws and Clamps Electrical Enclosures, 12 in H, 6 in
Quick View
WIEGMANN BN4121206CHSS Screws and Clamps Electrical Enclosures, 12 in H, 6 in
  • Brand: WIEGMANN
  • Model #: BN4121206CHSS
  •  
  • $573.99 –
WIEGMANN N12202008 Padlockable Hasp Electrical Enclosures, 20 in H, 8 in D, 20
Quick View
WIEGMANN N12202008 Padlockable Hasp Electrical Enclosures, 20 in H, 8 in D, 20
  • Brand: WIEGMANN
  • Model #: N12202008
  •  
  • $461.99 –
Wiegmann Enclosure Gray ANSI 61 Polyester Powder N12241608
Quick View
Wiegmann Enclosure Gray ANSI 61 Polyester Powder N12241608
  • Brand: WIEGMANN
  • Type: Bus Plugs
  • Model #: N12241608
  •  
  • $480.99 –
Brady EZ Panel Lock Rails, Self-Adhesive Fiberglass Reinforced Nylon 51260
Quick View
Brady EZ Panel Lock Rails, Self-Adhesive Fiberglass Reinforced Nylon 51260
  • Brand: BRADY
  • Type: Bus Plugs
  • Model #: 51260
  •  
  • $45.89 –
  • $5.00 Shipping
WIEGMANN BN4100804CHSS Screws and Clamps Electrical Enclosures, 10 in H, 4 in
Quick View
WIEGMANN BN4100804CHSS Screws and Clamps Electrical Enclosures, 10 in H, 4 in
  • Brand: WIEGMANN
  • Model #: BN4100804CHSS
  •  
  • $435.99 –