10,475 products found from 455  

Wholesale Automatic Circuit Breakers

manufacturers & suppliers

Zw20-12/T630-25 Type Automatic Safety Protection WiFi Working Principle of Air Circuit Breaker

FOB Price: US $ 100-1000 / Piece
Min. Order: 1 Piece
  • Breaking Capacity: High Voltage Circuit Breakers
  • Operation: Electric Type
  • Speed: Normal Type Circuit Breaker
  • Arc-extinguishing Medium: Vacuum
  • Installation: Fixed
  • Structure: ACB

Price List Automatic Transfer Switch Ns 630A Types Circuit Breaker

FOB Price: US $ 1-100 / Piece
Min. Order: 1 Piece
  • Breaking Capacity: Low Voltage Circuit Breakers
  • Operation: Electric Type
  • Speed: High-Speed Circuit Breaker
  • Arc-extinguishing Medium: Air
  • Installation: Fixed
  • Structure: MCCB

Environmental Friendly Automatic High Voltage Outdoor Circuit Breaker

Min. Order: 1 Piece
  • Breaking Capacity: High Voltage Circuit Breakers
  • Operation: Manual Type
  • Speed: High-Speed Circuit Breaker
  • Arc-extinguishing Medium: Spring
  • Installation: Fixed
  • Structure: Spring Strut Type

Air Circuit Breaker Acb Intelligent Controller 1000A Automatic Circuit Breaker for 35kv Pressure Cabinet Factory Direct (MCCB, MCB RCCB RCBO acb)

FOB Price: US $ 580-1968 / Piece
Min. Order: 1 Piece
  • Function: Main Switch for Cabinet Intelligent Breaker
  • Controller: Nixie Tube and LCD Intelligent Control
  • Installation: Drawer and Fixed Types
  • System Action Electric Accessories: Low Voltage Release,Shunt Release
  • Electric Accessories: Closed Electromagnet,Electromotor
  • Special Requirement: Interlock and Other Components

250A 320A 350A 400A Automatic MCCB Moulded Case Circuit Breaker with Over Current Protection

FOB Price: US $ 20-30 / Piece
Min. Order: 1 Piece
  • Breaking Capacity: Low Voltage Circuit Breakers
  • Operation: Electric Type
  • Speed: Normal Type Circuit Breaker
  • Arc-extinguishing Medium: Air
  • Installation: Fixed
  • Structure: MCCB

400A Automatic Circuit Breaker

Min. Order: 500 Pieces
  • Breaking Capacity: Low Voltage Circuit Breakers
  • Operation: Manual Type
  • Speed: High-Speed Circuit Breaker
  • Arc-extinguishing Medium: Air
  • Installation: Fixed
  • Structure: MCCB

12kv Three Phase Outdoor Vacuum Automatic Reclosing Circuit Breaker

FOB Price: US $ 2785-3891 / Piece
Min. Order: 1 Piece
  • Breaking Capacity: High Voltage Circuit Breakers
  • Operation: Electric Type
  • Speed: High-Speed Circuit Breaker
  • Arc-extinguishing Medium: Vacuum
  • Installation: Fixed
  • Structure: ACB

Zw32-12 Outdoor AC High Voltage Automatic Circuit Breaker

Min. Order: 5 Sets
  • Breaking Capacity: High Voltage Circuit Breakers
  • Operation: Energy-storage Type
  • Speed: High-Speed Circuit Breaker
  • Arc-extinguishing Medium: Vacuum
  • Installation: Fixed
  • Structure: ACB

Appliance Automatic Electric Circuit Breaker, 200 AMP Circuit Breaker

Min. Order: 1000 Pieces
  • Breaking Capacity: Low Voltage Circuit Breakers
  • Operation: Manual Type
  • Speed: Normal Type Circuit Breaker
  • Installation: Fixed
  • Structure: MCB
  • Poles Number: 3p+N

Automatic Circuit Breaker Has Hight Breaking Capacity

FOB Price: US $ 1 / Piece
Min. Order: 1000 Pieces
  • Breaking Capacity: Low Voltage Circuit Breakers
  • Operation: Electric Type
  • Speed: Normal Type Circuit Breaker
  • Arc-extinguishing Medium: Vacuum
  • Installation: Fixed
  • Structure: MCB

Car 12V 250A Automatic Recovery Switching Supplies Power Car Audio Fuse Circuit Breaker Fuse Holder Insurance Block

FOB Price: US $ 6-8 / Piece
Min. Order: 1 Piece
  • Breaking Capacity: Low Voltage Circuit Breakers
  • Operation: Electric Type
  • Speed: Normal Type Circuit Breaker
  • Arc-extinguishing Medium: SF6
  • Installation: Insert
  • Structure: MCB

IEC and RoHS Approved 6ka Automatic MCB Mini Circuit Breaker

FOB Price: US $ 0.5 / Piece
Min. Order: 100 Pieces
  • Breaking Capacity: Low Voltage Circuit Breakers
  • Operation: Manual Type
  • Speed: Normal Type Circuit Breaker
  • Arc-extinguishing Medium: Air
  • Installation: Fixed
  • Structure: MCB
  • China Supplier - Diamond Member

    Suppliers with verified business licenses

    360° Virtual Tour

    Changan Group Co., Ltd.
  • Zhejiang ISO 9001, ISO 14001, OHSAS/ OHSMS 18001

ID RCCB 63A Circuit Breaker, Automatic ELCB/RCCB Circuit Breaker

FOB Price: US $ 1.5 / Piece
Min. Order: 1000 Pieces
  • Breaking Capacity: Low Voltage Circuit Breakers
  • Operation: Electric Type
  • Speed: High-Speed Circuit Breaker
  • Arc-extinguishing Medium: RCCB
  • Installation: Fixed
  • Structure: ELCB

Low Voltage Automatic DC 3 Phase MCB 1000V Circuit Breaker

FOB Price: US $ 8.25 / Piece
Min. Order: 100 Pieces
  • Breaking Capacity: Low Voltage Circuit Breakers
  • Operation: Electric Type
  • Speed: Normal Type Circuit Breaker
  • Arc-extinguishing Medium: Air
  • Installation: Fixed
  • Structure: MCB

Electrical DC Circuit Breaker/Automatic Circuit Breaker/Miniature Circuit Breaker

FOB Price: US $ 8-20 / Piece
Min. Order: 1 Piece
  • Breaking Capacity: High Voltage Circuit Breakers
  • Operation: Electric Type
  • Speed: Normal Type Circuit Breaker
  • Arc-extinguishing Medium: Air
  • Installation: Fixed
  • Structure: MCCB

Electrical DC Circuit Breaker/Automatic Circuit Breaker/Miniature Circuit Breaker

FOB Price: US $ 0.5-1 / Piece
Min. Order: 1 Piece
  • Breaking Capacity: High Voltage Circuit Breakers
  • Operation: Electric Type
  • Speed: Normal Type Circuit Breaker
  • Arc-extinguishing Medium: Oil-immersed Type
  • Installation: Fixed
  • Structure: ELCB

Electrical DC Circuit Breaker/Automatic Circuit Breaker/Miniature Circuit Breaker

FOB Price: US $ 60-63 / Piece
Min. Order: 100 Pieces
  • Breaking Capacity: Low Voltage Circuit Breakers
  • Operation: Manual Type
  • Speed: Normal Type Circuit Breaker
  • Arc-extinguishing Medium: Air
  • Installation: Fixed
  • Structure: MCCB

Environmental Friendly Automatic Spring Strut Circuit Breaker

Min. Order: 1 Piece
  • Breaking Capacity: High Voltage Circuit Breakers
  • Operation: Manual Type
  • Speed: High-Speed Circuit Breaker
  • Arc-extinguishing Medium: Spring
  • Installation: Fixed
  • Structure: Spring Strut Type

Zw20-12/T630-25 Type Automatic Safety Protection of Vacuum Circuit Breaker

FOB Price: US $ 100-1000 / Piece
Min. Order: 1 Piece
  • Breaking Capacity: High Voltage Circuit Breakers
  • Operation: Electric Type
  • Speed: Normal Type Circuit Breaker
  • Arc-extinguishing Medium: Vacuum
  • Installation: Fixed
  • Structure: ACB

AC 12kv Outdoor Automatic Reclosing Circuit Breaker

FOB Price: US $ 2054-2351 / Piece
Min. Order: 1 Piece
  • Breaking Capacity: High Voltage Circuit Breakers
  • Operation: Electric Type
  • Speed: High-Speed Circuit Breaker
  • Arc-extinguishing Medium: Vacuum
  • Installation: Fixed
  • Structure: ACB

Reliable Quality Single Phase Automatic Reset Circuit Breaker with Over Under Voltage Protection Recloser

FOB Price: US $ 23-40 / Piece
Min. Order: 1 Piece
  • Breaking Capacity: Low Voltage Circuit Breakers
  • Operation: Electric Type
  • Speed: Normal Type Circuit Breaker
  • Installation: Insert
  • Structure: MCB
  • Poles Number: 2

Air Automatic Miniature 3p Mini Circuit Breaker

FOB Price: US $ 60-63 / Piece
Min. Order: 100 Pieces
  • Breaking Capacity: Low Voltage Circuit Breakers
  • Operation: Manual Type
  • Speed: Normal Type Circuit Breaker
  • Arc-extinguishing Medium: Air
  • Installation: Fixed
  • Structure: MCCB

Appliance Automatic Electric Circuit Breaker, Micro Circuit Breaker

Min. Order: 1000 Pieces
  • Breaking Capacity: Low Voltage Circuit Breakers
  • Operation: Manual Type
  • Speed: Normal Type Circuit Breaker
  • Installation: Fixed
  • Structure: MCB
  • Poles Number: 3

22kv Pole Moulded Automatic Circuit Breaker MCCB MCB RCCB

FOB Price: US $ 135-179.99 / Piece
Min. Order: 10 Pieces
  • Packing: Normal Carton
  • Standard: 3p
  • Port: Ningbo
  • Production Capacity: 100000/Week
  • Trademark: CHANGZHENG
  • Origin: Zhejiang Yueqing Liusi

MCCB Automatic Circuit Breaker Nsx-400A 3p/4p

FOB Price: US $ 15-30 / Piece
Min. Order: 1 Piece
  • Breaking Capacity: Low Voltage Circuit Breakers
  • Operation: Electric Type
  • Speed: Normal Type Circuit Breaker
  • Arc-extinguishing Medium: SF6
  • Installation: Insert
  • Structure: MCCB

Zw32 Outdoor Automatic Reclose Circuit Breaker

FOB Price: US $ 1000-10000 / Piece
Min. Order: 1 Piece
  • Breaking Capacity: High Voltage Circuit Breakers
  • Operation: Electric Type
  • Speed: Normal Type Circuit Breaker
  • Arc-extinguishing Medium: Air
  • Installation: Fixed
  • Structure: Load Break Switch

Distribution System Automatic Spring Strut Circuit Breaker

Min. Order: 1 Piece
  • Breaking Capacity: High Voltage Circuit Breakers
  • Operation: Manual Type
  • Speed: High-Speed Circuit Breaker
  • Arc-extinguishing Medium: Spring
  • Installation: Fixed
  • Structure: Spring Strut Type

12kv Outdoor Automatic Reclose Circuit Breaker

FOB Price: US $ 2130-2657 / Piece
Min. Order: 1 Piece
  • Breaking Capacity: High Voltage Circuit Breakers
  • Operation: Electric Type
  • Speed: High-Speed Circuit Breaker
  • Arc-extinguishing Medium: Vacuum
  • Installation: Fixed
  • Structure: ACB

New Type Automatic MCCB Moulded Case Circuit Breaker with Over Current Protection

FOB Price: US $ 20-30 / Piece
Min. Order: 1 Piece
  • Breaking Capacity: Low Voltage Circuit Breakers
  • Operation: Electric Type
  • Speed: Normal Type Circuit Breaker
  • Arc-extinguishing Medium: Air
  • Installation: Fixed
  • Structure: MCCB

Zw20-12PT/630-20 Outdoor Hv Automatic Recloser Circuit Breaker

FOB Price: US $ 1000-10000 / Piece
Min. Order: 1 Piece
  • Breaking Capacity: High Voltage Circuit Breakers
  • Operation: Electric Type
  • Speed: Normal Type Circuit Breaker
  • Arc-extinguishing Medium: Vacuum
  • Installation: Fixed
  • Structure: Load Break Switch
Show: 10 30 50
Haven't found what you want?

Accurate Supplier Match

Post exact requests to find exact Chinese Suppliers.
Post Sourcing Request

Product Alert

Stay updated to what's new and popular on the market.