18,574 40a Circuit Breaker
results from1,326 suppliers
Cm1 Series MCCB 32A/40A/63A/80A/100A/125A 3p/4p Customized Circuit Breaker Wholesale
US$ 8.68-9.39 / 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
40A 50A 60A 70A 80A 100A 150A 200A 250A 300A Circuit Breaker DC Car Audio Inline Circuit Breaker Fuse Holder Waterproof
US$ 8 / Piece
Min. Order:100 Pieces
- Breaking Capacity: Low Voltage Circuit Breakers
- Operation: Manual Type
- Speed: High-Speed Circuit Breaker
- Arc-extinguishing Medium: SF6
- Installation: Fixed
- Structure: ACB
Ycsi AC 230V 40A/63A 2p Zigbee/Tuya Intelligent Remote Control WiFi Smart MCB Switch Circuit Breaker with RS485 Communication
US$ 9.43-20.43 / Piece
Min. Order:50 Pieces
- Breaking Capacity: Low Voltage Circuit Breakers
- Operation: Remote Control
- Speed: High-Speed Circuit Breaker
- Arc-extinguishing Medium: Air
- Installation: Standard Th36 Rail
- Structure: MCB
Lrpg RCBO 2p 4p Adjustable Current 5A 10A 15A 20A, 30A 40A 60A Pg Disjoncteur Circuit Breaker with Short-Circuit, Overload and Residual Current Protection
US$ 7.28-7.57 / Piece
Min. Order:3 Pieces
- Breaking Capacity: Low Voltage Circuit Breakers
- Operation: Electric Type
- Speed: Normal Type Circuit Breaker
- Arc-extinguishing Medium: Air
- Installation: Fixed
- Structure: Electromagnetic
Thqc Series 1p 2p 3p Electrical Miniature Circuit Breaker MCB 15A 20A 30A 40A 50A 60A 70A 100A
US$ 0.91-3.08 / pieces
Min. Order:5 pieces
- Breaking Capacity: Low Voltage Circuit Breakers
- Speed: High-Speed Circuit Breaker
- Arc-extinguishing Medium: Air
- Installation: Fixed
- Structure: MCB
- Poles Number: 3
Good Quality 40A 50A 60A 70A 80A 100A 150A 200A 250A 300A Marine Solar Truck Car Audio Inline Automotive Circuit Breaker
US$ 4.5 / Piece
Min. Order:100 Pieces
- Breaking Capacity: Low Voltage Circuit Breakers
- Operation: Manual Type
- Speed: High-Speed Circuit Breaker
- Arc-extinguishing Medium: SF6
- Installation: Fixed
- Structure: ACB
1p/2p/3p/4p DC MCB Solar Miniature Circuit Breaker 20A/32A/40A/63A Mini Electrical Breakers Photovoltaic/PV
US$ 0.8-1.8 / Piece
Min. Order:100 Pieces
- Breaking Capacity: Low Voltage Circuit Breakers
- Operation: Manual or Automatic
- Speed: Normal Type Circuit Breaker
- Arc-extinguishing Medium: Air
- Installation: Fixed or Withdrawable
- Structure: MCB
Chint Original Nl1-63 RCCB Differential Switches 2p 4p 25A 40A 63A 30mA 100mA Magnetic RCD ELCB 2 Pole 4 Pole Chnt Residual Current Operated Circuit Breaker
US$ 7.5-13 / Piece
Min. Order:50 Pieces
- Breaking Capacity: Low Voltage Circuit Breakers
- Arc-extinguishing Medium: Air
- Installation: Fixed
- Structure: ELCB
- Poles Number: 2 Pole, 4 Pole
- Function: Overcurrent Protection
CE XL8-63 1p 2p 3p 4p DC 250V 500V 600V 750V 800V 1000V 4.5ka 10A 16A 20A 25A 32A 40A 50A 63A MCB Miniature Circuit Breaker
US$ 0.7-2.8 / Piece
Min. Order:120 Pieces
- Breaking Capacity: Low Voltage Circuit Breakers
- Operation: Energy-storage Type
- Speed: High-Speed Circuit Breaker
- Arc-extinguishing Medium: Air
- Installation: 35mm Standard Rail Installation
- Structure: MCB
Srb3-63 AC 40A 50A 63A 2p 500V 10ka Mini Circuit Breaker MCB
Min. Order:10 Pieces
- Breaking Capacity: High Voltage Circuit Breakers
- Operation: Manual Type
- Speed: Solar Energy
- Arc-extinguishing Medium: Air
- Installation: Fixed
- Structure: MCB
Leakage Circuit Breaker 40A/Original Factory Leakage Circuit Breker/40A, 230V Leakage Circuit Breaker
US$ 0.5-0.6 / Piece
Min. Order:1 Piece
- Breaking Capacity: Low Voltage Circuit Breakers
- Operation: Electric Type
- Speed: Normal Type Circuit Breaker
- Arc-extinguishing Medium: Air
- Installation: Insert
- Structure: MCB
2p DC MCB 6ka 500V Mini Circuit Breaker 16A 20A 25A 32A 40A 50A DC Aafety Protection
US$ 0.85-8.58 / Piece
Min. Order:12 Pieces
- Breaking Capacity: High Voltage Circuit Breakers
- Operation: Manual Type
- Speed: Normal Type Circuit Breaker
- Arc-extinguishing Medium: Oil-immersed Type
- Installation: Fixed
- Structure: ACB
High-End Aoasis Aon-63 40A 2 Poles MCB AC 400V Circuit Breaker
US$ 2.1-2.42 / Piece
Min. Order:1 Piece
- Breaking Capacity: Low Voltage Circuit Breakers
- Operation: Electric Type
- Speed: High-Speed Circuit Breaker
- Installation: DIN Rail
- Structure: MCB
- Poles Number: 1
Dx 40A 2p 230V 6A-100A RCCB Mini Leakage Circuit Breaker
US$ 3.65-4.05 / Piece
Min. Order:10 Pieces
- Breaking Capacity: Low Voltage Circuit Breakers
- Operation: Electric Type
- Speed: Normal Type Circuit Breaker
- Arc-extinguishing Medium: Air
- Installation: Fixed
- Poles Number: 2
Pkzm4-40 Motor Protection Circuit Breaker 40A for Overload and Short Circuit Prevention
US$ 80-388 / Piece
Min. Order:1 Piece
- Electricity Type: AC
- Number of Pole: 8
- Phase: 3
- Main Circuit Rating Voltage: 1000V
- Main Circuit Rating Current: 150A
- Type: Dc Contactors
Chint Cheapest MCB Nxb-63 3p 1A 2A 3A 4A 6A 10A 16A 20A 32A 40A 50A 63A Type B Type C Type D Chnt Mini Circuit Breaker
US$ 2.5-2.6 / Piece
Min. Order:10 Pieces
- Breaking Capacity: Low Voltage Circuit Breakers
- Operation: Electric Type
- Speed: Normal Type Circuit Breaker
- Arc-extinguishing Medium: Air
- Installation: Fixed
- Structure: MCCB
6ka/10ka 40A RCBO Circuit Breaker for Superior Safety RCCB
US$ 8-10 / Piece
Min. Order:100 Pieces
- Breaking Capacity: Low Voltage Circuit Breakers
- Operation: Electric Type
- Speed: High-Speed Circuit Breaker
- Arc-extinguishing Medium: Air
- Installation: DIN Rail
- Structure: RCBO
Timelec 40A 1-Pole DC Miniature Circuit Breaker for Overload and Short-Circuit Protection
US$ 1.2-1.3 / Piece
Min. Order:120 Pieces
- Breaking Capacity: Low Voltage Circuit Breakers
- Operation: Electric Type
- Speed: High-Speed Circuit Breaker
- Arc-extinguishing Medium: Air
- Installation: Fixed
- Structure: MCB
12-48 Volt DC Manual Reset 40A Circuit Breaker with Waterproof Cover
US$ 4.8-6 / Piece
Min. Order:50 Pieces
- Breaking Capacity: Low Voltage Circuit Breakers
- Operation: Manual Type
- Speed: Normal Type Circuit Breaker
- Arc-extinguishing Medium: Manual
- Installation: Insert
- Structure: ACB
16A/40A 30mA Mini Circuit Breaker RCBO/RCCB ELCB Overcurrent Short-Circuit Protection
US$ 2.3-3 / Piece
Min. Order:10 Pieces
- Breaking Capacity: Low Voltage Circuit Breakers
- Operation: Electric Type
- Speed: High-Speed Circuit Breaker
- Arc-extinguishing Medium: ODM/OEM
- Installation: Standard DIN Rail
- Structure: RCBO
3p 40A 400V 50Hz DIN Rail Dual Power Manual Transfer Isolating Switch Interlock Circuit Breaker Changeover Switch MCB
US$ 1.86-2.3 / pieces
Min. Order:5 pieces
- Breaking Capacity: Low Voltage Circuit Breakers
- Operation: Electric Type
- Speed: High-Speed Circuit Breaker
- Arc-extinguishing Medium: Air
- Installation: DIN-Rail Mounting
- Structure: MCB
Tnh60-63 MCB 1p 40A Min Circuit Miniature Circuit Breaker
US$ 0.66-0.7 / Piece
Min. Order:3000 Pieces
- Breaking Capacity: Low Voltage Circuit Breakers
- Operation: Electric Type
- Speed: High-Speed Circuit Breaker
- Arc-extinguishing Medium: Air
- Installation: Insert
- Structure: MCB
High-Performance 40A RCCB Circuit Breaker for Industrial Use
US$ 2.1-6.2 / Piece
Min. Order:1 Piece
- Breaking Capacity: Low Voltage Circuit Breakers
- Operation: Manual Type
- Speed: Normal Type Circuit Breaker
- Arc-extinguishing Medium: Air
- Installation: Fixed
- Structure: MCB
10A 16A 20A 32A 40A 50A 63A Acb Air Circuit Breaker
US$ 10-1000 / Piece
Min. Order:1 Piece
- Breaking Capacity: Low Voltage Circuit Breakers
- Operation: Electric Type
- Speed: High-Speed Circuit Breaker
- Arc-extinguishing Medium: Vacuum
- Installation: Fixed
- Structure: ACB
Amur AC MCB 3 Poles 40A Low Current 400V Circuit Breaker
US$ 1.49 / Piece
Min. Order:10 Pieces
- Breaking Capacity: Low Voltage Circuit Breakers
- Operation: Electric Type
- Speed: Normal Type Circuit Breaker
- Arc-extinguishing Medium: Air
- Installation: Fixed
- Structure: MCB
ELCB Residual Current Circuit Breaker 40A 63A for Protection RCCB
US$ 6.5-6.8 / Piece
Min. Order:500 Pieces
- Breaking Capacity: Low Voltage Circuit Breakers
- Operation: Manual Type
- Speed: Normal Type Circuit Breaker
- Arc-extinguishing Medium: Air
- Installation: Fixed
- Structure: ELCB
E39 40A Circuit Breaker Current Overload Protector Car Fuse RoHS
US$ 0.98-1 / Piece
Min. Order:100 Pieces
- Breaking Capacity: Low Voltage Circuit Breakers
- Operation: Auto/Manual/Modified
- Speed: Normal Type Circuit Breaker
- Arc-extinguishing Medium: Air
- Installation: Depend on Appliance
- Structure: Bimetal
Stid-63n Series 40A 2p&4p Residual Current Circuit Breaker RCCB
US$ 3.82-3.95 / Piece
Min. Order:1000 Pieces
- Breaking Capacity: Low Voltage Circuit Breakers
- Operation: Electric Type
- Speed: High-Speed Circuit Breaker
- Arc-extinguishing Medium: Air
- Installation: DIN Rail
- Structure: ELCB
Arxm3e-125m MCCB Molded Case Circuit Breaker 32A 40A 45A
US$ 17.69-27 / Piece
Min. Order:1 Piece
- Breaking Capacity: Low Voltage Circuit Breakers
- Operation: Manual Type
- Speed: Normal Type Circuit Breaker
- Arc-extinguishing Medium: Air
- Installation: Fixed
- Structure: MCCB
40A 50A 60A 70A 80A 100A 150A 200A 250A 300A Circuit Breaker DC Car Audio Inline Circuit Breaker Fuse Holder Waterproof
US$ 4.2 / Piece
Min. Order:100 Pieces
- Breaking Capacity: High Voltage Circuit Breakers
- Operation: Manual Type
- Speed: High-Speed Circuit Breaker
- Arc-extinguishing Medium: SF6
- Installation: Fixed
- Structure: ACB
Dz15le- 40/4901 40A 4p 30mA Rccbresidual Current Circuit Breaker
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
Home EV RCD Circuit Breaker 40A 100mA for Protection
US$ 33.35 / Piece
Min. Order:500 Pieces
- Breaking Capacity: Low Voltage Circuit Breakers
- Operation: Electromagnetic
- Speed: Normal Type Circuit Breaker
- Arc-extinguishing Medium: Air
- Installation: Fixed
- Structure: RCCB
6ka 3p 40A 50A 63A Leakage Protection RCCB/Residual Current Circuit Breaker
US$ 4.99 / Piece
Min. Order:1000 Pieces
- Breaking Capacity: Low Voltage Circuit Breakers
- Operation: Electric Type
- Speed: Normal Type Circuit Breaker
- Arc-extinguishing Medium: Air
- Installation: Fixed
- Structure: MCB
Compact MCB 2p 4p 12A 25A 40A 55A 63A 6ka Short-Circuit Breaking AC230V Miniature Circuit Breaker RCBO ELCB
US$ 1.68-1.77 / Piece
Min. Order:120 Pieces
- Breaking Capacity: Low Voltage Circuit Breakers
- Operation: Manual Type
- Speed: High-Speed Circuit Breaker
- Arc-extinguishing Medium: Air
- Installation: Fixed
- Structure: MCB
Open Electric Dz47-63 1p 2p 3p 4p Mini MCB 20A 16A 10A 32A 25A 40A 63A AC MCB Miniature Circuit Breaker
US$ 0.08 / Piece
Min. Order:1000 Pieces
- Function: Miniature Circuit Breaker
- Structure: Power Built-in Type
- Usage: Control Switch
- Contact Type: Type c Contact
- Detection Method: Retro-reflective Mode
- Pole: 3
Dz47-63 DC/AC MCB 125A 1p/2p/3p/4p 1/2/3/4-Pole 6A/32A/40A/63A 400V 6ka/4.5ka/10ka Solar Mini Miniature Circuit Breaker
US$ 0.55 / Piece
Min. Order:180 Pieces
- Breaking Capacity: Low Voltage Circuit Breakers
- Operation: Manual or Automatic
- Speed: Normal Type Circuit Breaker
- Arc-extinguishing Medium: Air
- Installation: Fixed or Withdrawable
- Structure: MCB
Ahl5-63 40A Seies Miniature Circuit Breaker
US$ 1-25 / Piece
Min. Order:1 Piece
- Breaking Capacity: Low Voltage Circuit Breakers
- Operation: Electric Type
- Speed: Normal Type Circuit Breaker
- Arc-extinguishing Medium: Vacuum
- Installation: Fixed
- Structure: MCB
1p 2p 3p 4p 6A 16A 20A 32A 40A 63A AC MCB Circuit Breaker
US$ 1.8-4.2 / Piece
Min. Order:1 Piece
- Breaking Capacity: Low Voltage Circuit Breakers
- Operation: Electric Type
- Speed: Normal Type Circuit Breaker
- Arc-extinguishing Medium: Air
- Installation: DIN Rail
- Structure: MCB
10A 16A 20A 25A 32A 40A 50A 63A DC Solar MCB 1000V Circuit Breaker
US$ 3.2-4 / 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
DC MCB Breaker Zeet Zt 40A 72VDC Indoor Bushing Insulator Il-10 DC Breaker Solar MCB Current Circuit Breaker 110kv Electrical Circuit Breaker
US$ 6.2-7.5 / Piece
Min. Order:1 Piece
- Place of Origin: Shijiazhuang, China
- Max Discharge Current: 60000 a
- Weight: 0.4kg/PCS
- Protection Class: IP20
- Capacity: 60000 PCS/Week
- OEM/ODM: Available
