Skip to main content
Returns
& Orders
Cart
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
Series
Type
Show More
Voltage AC
Availability
Useful Links
Power Search
Sort By:
View:
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
  •  
  • $43.96 –
  • $5.00 Shipping
SQUARE D EDB24020 Miniature Circuit Breaker, E FRAME Series, 20A, 2 Pole,
Quick View
SQUARE D EDB24020 Miniature Circuit Breaker, E FRAME Series, 20A, 2 Pole,
  • Brand: SQUARE D
  • Model #: EDB24020
  •  
  • $536.99 –
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
  •  
  • $66.55 –
  • $5.00 Shipping
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 Enclosure Gray ANSI 61 Polyester Powder A121206
Quick View
Wiegmann Enclosure Gray ANSI 61 Polyester Powder A121206
  • Brand: WIEGMANN
  • Type: Bus Plugs
  • Model #: A121206
  •  
  • $55.45 –
  • $5.00 Shipping
Wiegmann Enclosure Gray ANSI 61 Polyester Powder SC101004
Quick View
Wiegmann Enclosure Gray ANSI 61 Polyester Powder SC101004
  • Brand: WIEGMANN
  • Type: Bus Plugs
  • Model #: SC101004
  •  
  • $30.19 –
  • $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
  •  
  • $21.89 –
  • $5.00 Shipping
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
  •  
  • $51.85 –
  • $5.00 Shipping
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 –
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 –
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
  •  
  • $492.99 –
SIEMENS B35000S01 Miniature Circuit Breaker, BL Series, 50A, 3 Pole, 120/240V
Quick View
SIEMENS B35000S01 Miniature Circuit Breaker, BL Series, 50A, 3 Pole, 120/240V
  • Brand: SIEMENS
  • Model #: B35000S01
  •  
  • $701.99 –
EATON EMS39 Transit Protector
Quick View
EATON EMS39 Transit Protector
  • Brand: EATON
  • Model #: EMS39
  •  
  • $369.99 –
SIEMENS BQ3B100 Miniature Circuit Breaker, BQ Series, 100A, 3 Pole, 240V AC,
Quick View
SIEMENS BQ3B100 Miniature Circuit Breaker, BQ Series, 100A, 3 Pole, 240V AC,
  • Brand: SIEMENS
  • Model #: BQ3B100
  •  
  • $730.99 –
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
SIEMENS BQD350 Miniature Circuit Breaker, BQD Series, 50A, 3 Pole, 480V AC,
Quick View
SIEMENS BQD350 Miniature Circuit Breaker, BQD Series, 50A, 3 Pole, 480V AC,
  • Brand: SIEMENS
  • Model #: BQD350
  •  
  • $734.99 –
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
  •  
  • $635.99 –
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 –
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 –
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
  •  
  • $448.99 –
Circuit Breaker, Bolt-On, 2 Pole, 100A
Quick View
Circuit Breaker, Bolt-On, 2 Pole, 100A
  • Brand: Square D
  • Type: Circuit Breakers
  • Model #: QOB2100H
  •  
  • $366.99 –
SQUARE D HDL36100 Molded Case Circuit Breaker, POWERPACT H Series, 100A, 3
Quick View
SQUARE D HDL36100 Molded Case Circuit Breaker, POWERPACT H Series, 100A, 3
  • Brand: SQUARE D
  • Model #: HDL36100
  •  
  • $1,032.99 –
EATON DS7-342SX012N0-N Soft Start Controller, 240/480VAC, 12A
Quick View
EATON DS7-342SX012N0-N Soft Start Controller, 240/480VAC, 12A
  • Brand: EATON
  • Model #: DS7-342SX012N0-N
  •  
  • $411.99 –
WIEGMANN N4201608 NEMA 4, 12, 13 20.0 in H x 16.0 in W x 8.0 in D Wall Mount
Quick View
WIEGMANN N4201608 NEMA 4, 12, 13 20.0 in H x 16.0 in W x 8.0 in D Wall Mount
  • Brand: WIEGMANN
  • Type: Bus Plugs
  • Model #: N4201608
  •  
  • $494.99 –
WIEGMANN N4242008 Padlockable Hasp with Clamps Electrical Enclosures, 24 in H,
Quick View
WIEGMANN N4242008 Padlockable Hasp with Clamps Electrical Enclosures, 24 in H,
  • Brand: WIEGMANN
  • Model #: N4242008
  •  
  • $748.99 –
SIEMENS BQD370 Miniature Circuit Breaker, BQD Series, 70A, 3 Pole, 480V AC,
Quick View
SIEMENS BQD370 Miniature Circuit Breaker, BQD Series, 70A, 3 Pole, 480V AC,
  • Brand: SIEMENS
  • Model #: BQD370
  •  
  • $934.99 –
Wiegmann Enclosure Stainless Steel #3 Brushed BN4121006CHSS
Quick View
Wiegmann Enclosure Stainless Steel #3 Brushed BN4121006CHSS
  • Brand: WIEGMANN
  • Type: Bus Plugs
  • Material: HAWA
  • Model #: BN4121006CHSS
  •  
  • $600.99 –
HUBBELL HBLNCO Single Pole Connector,Non-Met Cover,Orng
Quick View
HUBBELL HBLNCO Single Pole Connector,Non-Met Cover,Orng
  • Brand: HUBBELL
  • Type: Bus Plugs
  • Model #: HBLNCO
  •  
  • $33.35 –
  • $5.00 Shipping
GE THQB32090 Miniature Circuit Breaker, THQB Series, 90A, 3 Pole, 240V AC, 10kA
Quick View
GE THQB32090 Miniature Circuit Breaker, THQB Series, 90A, 3 Pole, 240V AC, 10kA
  • Brand: GE
  • Model #: THQB32090
  •  
  • $457.99 –
SCHNEIDER ELECTRIC ATS01N212RT Soft Start, With Bypass
Quick View
SCHNEIDER ELECTRIC ATS01N212RT Soft Start, With Bypass
  • Brand: SCHNEIDER ELECTRIC
  • Model #: ATS01N212RT
  •  
  • $210.99 –
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
  •  
  • $795.99 –
GE TEY240 Molded Case Circuit Breaker, 40 A, 277/480V AC, 2 Pole, Bolt On
Quick View
GE TEY240 Molded Case Circuit Breaker, 40 A, 277/480V AC, 2 Pole, Bolt On
  • Brand: GE
  • Type: Circuit Breakers
  • Model #: TEY240
  •  
  • $459.99 –
GE TED124020WL Molded Case Circuit Breaker, TED Series, 20A, 2 Pole, 480V AC,
Quick View
GE TED124020WL Molded Case Circuit Breaker, TED Series, 20A, 2 Pole, 480V AC,
  • Brand: GE
  • Model #: TED124020WL
  •  
  • $726.99 –
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
  •  
  • $511.99 –
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
  •  
  • $516.99 –