14,847 40a Circuit Breaker
results from1,349 suppliers
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
6000A Short Circuit Breaking Capacity Low Price MCB Circuit Breaker 1A 2A 6A 10A 16A 20A 25A 32A 40A 50A 63A Electric AC DC Miniature Circuit Breaker
US$ 0.66-0.69 / Piece
Min. Order:24000 Pieces
- Breaking Capacity: Low Voltage Circuit Breakers
- Operation: Electric Type
- Speed: High-Speed Circuit Breaker
- Arc-extinguishing Medium: Air
- Installation: Fixed
- Structure: MCB
Factory Price Circuit Breaker 1p 2p 3p 4p Mini MCB 20A 16A 10A 32A 25A 40A 63A AC MCB Electric Miniature Circuit Breaker
US$ 1.82-2.2 / Piece
Min. Order:10 Pieces
- Breaking Capacity: Low Voltage Circuit Breakers
- Operation: Electric Type
- Speed: High-Speed Circuit Breaker
- Arc-extinguishing Medium: Air
- Installation: Fixed
- Structure: MCB
Open Electric Mini MCB 10A 16A 20A 32A 25A 40A 63A AC MCB Miniature Circuit Breaker
US$ 0.56-4.2 / Piece
Min. Order:240 Pieces
- Breaking Capacity: Low Voltage Circuit Breakers
- Operation: Manual Type
- Speed: High-Speed Circuit Breaker
- Arc-extinguishing Medium: Air
- Installation: Fixed
- 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
Type B 2p 40A Semko, CB, CQC, RoHS, CE Certified Differential Circuit Breaker
US$ 33 / Piece
Min. Order:300 Pieces
- Breaking Capacity: Low Voltage Circuit Breakers
- Operation: Electric Type
- Speed: Normal Type Circuit Breaker
- Arc-extinguishing Medium: Air
- Installation: Fixed
- Structure: ELCB
Aoasis Smm-52 Esb 2pole 2p 20A 30A 40A 50A 220V 15amini Molded Case Circuit Breaker
US$ 20-99 / Piece
Min. Order:1 Piece
- Breaking Capacity: Low Voltage Circuit Breakers
- Operation: Electric Type
- Speed: High-Speed Circuit Breaker
- Installation: DIN Rail
- Structure: Smm
- Poles Number: 2
Gada MCB Gdc4 MCB Circuit Breakers 40A AC Miniature Circuit Breaker 4p
US$ 7-7.6 / 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
98 Series 40A Manual Reset Thermal Overload Protector Switch Mini Circuit Breaker
US$ 0.76-0.8 / Piece
Min. Order:2000 Pieces
- Breaking Capacity: High Voltage Circuit Breakers
- Operation: Electric Type
- Speed: Normal Type Circuit Breaker
- Arc-extinguishing Medium: Oil-immersed Type
- Installation: Fixed
- Structure: ACB
40A 480V 3 Pole DIN Rail Mount Miniature AC Circuit Breaker
US$ 1.2-4.2 / 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: Solar Arrester Surge Protector
1p 2p 3p 16A 20A 25A 32A 40A 50A 63A MCB Miniature Circuit Breaker
US$ 2.09-8.89 / Piece
Min. Order:20 Pieces
- Breaking Capacity: Low Voltage Circuit Breakers
- Operation: Electric Type
- Speed: Normal Type Circuit Breaker
- Arc-extinguishing Medium: Air
- Installation: Fixed
- Structure: MCB
Factory Price RCBO 6-40A 1p+N Afdd Arc Fault Detection Device Circuit Breaker
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
Good Quality 6ka 10ka L7 1p 2p 3p 4p MCB 6A 16A 20A 25A 32A 40A 63A Miniature Circuit Breaker
US$ 0.65 / Piece
Min. Order:1000 Pieces
- Breaking Capacity: Low Voltage Circuit Breakers
- Operation: Electric Type
- Speed: High-Speed Circuit Breaker
- Arc-extinguishing Medium: MCB
- Installation: Fixed
- Structure: MCB
Kayal Solar PV System 40A 450volt 1200V Single Pole DC Circuit Breaker
US$ 2.3-8.9 / Piece
Min. Order:1 Piece
- Breaking Capacity: Low Voltage Circuit Breakers
- Speed: Normal Type Circuit Breaker
- Structure: MCB
- Poles Number: 1\2\3\4
- Type: Circuit Breaker
- Function: Conventional Circuit Breaker, Circuit-Breaker Failure Protection, Overcurrent Protection, OVP(Overvoltage Protection)
Gv3-Me63c 380VAC 40A -63A Motor Protection Circuit Breaker
US$ 25-45 / Piece
Min. Order:10 Pieces
- Electricity Type: AC
- Number of Pole: 3
- Phase: 2
- Main Circuit Rating Voltage: AC380V
- Main Circuit Rating Current: 40-63A
- Type: Ac Contactors
Electrical DC Disjoncteur 1 2 3 4 P 1A 2A 3A 4A 6A 10A 16A 20A 25A 32A 40A 50A 63A 6ka MCB AC DC Mini Miniature Circuit Breakers
US$ 0.58-2.35 / 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
Lek Circuit Breaker Solar Power Outdoor IP66 32A 40A 63A 100A DC 1000V Isolator Switch
US$ 12-20 / Piece
Min. Order:5 Pieces
- Breaking Capacity: High Voltage Circuit Breakers
- Operation: Manual Type
- Speed: Normal Type Circuit Breaker
- Poles Number: 4
- Certification: VDE, ISO9001-2000, CE, CB, CCC
- Rated Insulation Voltage: 1500V
Wenzhou Factory 3poles 16A 40A 63A Electrical Smart Automatic MCCB Type of Circuit Breakers
US$ 7.74-14.5 / 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
10ka MCB 4p 6A 10A 16A 20A 25A 32A 40A 50A 63A Circuit Breaker 220V C Curve CE CB Approved
US$ 0.2-2.25 / Piece
Min. Order:50 Pieces
- Breaking Capacity: Optins
- Operation: Electric Type
- Speed: Normal Type Circuit Breaker
- Arc-extinguishing Medium: Air
- Installation: Fixed
- Structure: MCB
10A 16A 20A 32A 40A 63A 4.5ka 6ka Afdd Untis Arc Fault Circuit Breaker
US$ 100 / Piece
Min. Order:10 Pieces
- Breaking Capacity: Low Voltage Circuit Breakers
- Operation: Electric Type
- Speed: High-Speed Circuit Breaker
- Arc-extinguishing Medium: Air
- Installation: Fixed
- Structure: MCB
Sontuoec 2p 40A 30mA RCBO Magnetic Model a Type Circuit Breaker
US$ 2.32-2.45 / Piece
Min. Order:2000 Pieces
- Breaking Capacity: Low Voltage Circuit Breakers
- Operation: Electric Type
- Speed: High-Speed Circuit Breaker
- Arc-extinguishing Medium: Air
- Installation: DIN Rail
- Structure: ELCB
High Strength PA shell 1P+N 10A 16A 20A 32A 40A 60A 80A MCB Circuit Breaker
US$ 1.607 / Piece
Min. Order:10 Pieces
- Protection: Durable, Waterproof, Dust-Proof, Insulation
- Feature: Intelligent
- Wiring: circuit breaker
- Principle: Resistive
- Application: Home Appliance, Electronics, Lighting, Industrial, Apartment/Villa, Hotel, Commercial, Home, circuit breaker
- Type: Normal Open
CB02 40A to 200A Car Audio Overload Protector Circuit Breaker
Min. Order:300 Pieces
- Breaking Capacity: Low Voltage Circuit Breakers
- Operation: Manual Type
- Speed: Normal Type Circuit Breaker
- Installation: Surface/Panel Mount
- Poles Number: 1
- Type: Circuit Breaker
2p DC 1000V Solar Mini Circuit Breaker 3A 6A 10A 16A 20A 25A 32A 40A 50A 63A DC MCB for PV System
US$ 4-6 / Piece
Min. Order:5 Pieces
- Current Type: AC
- Phase: Single Phase
- Frequency Characteristics: Intermediate Frequency
- Usage: SVC, DBW
- Frequency: High Frequency
- Size: Medium
Bx-V603-D-40A DIN Rail Overload Protection Circuit Breaker
US$ 6-10 / Piece
Min. Order:500 Pieces
- Breaking Capacity: High Voltage Circuit Breakers
- Operation: Manual Type
- Speed: Normal Type Circuit Breaker
- Installation: Fixed
- Poles Number: 2
- Type: Circuit Breaker
Customized 20A 40A Air Circuit Breaker Electrical Price Safety DC
US$ 0.53-0.55 / 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
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
Type B RCCB 2pole 4 Pole 16A, 20A, 25A, 32A, 40A 63A DC Earth Leakage 10ka 300mA RCD Circuit Breaker
US$ 55.85-66.85 / 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: ELCB
40A C Electronic Air Circuit Breaker with Dz47-4p
US$ 1.3 / 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: Conventional Circuit Breaker
Hot Sale 1p 2p 3p 4p Mini Circuit Breaker with CE Elb6K Series 40A
Min. Order:100 Pieces
- Breaking Capacity: Low Voltage Circuit Breakers
- Operation: Manual Type
- Speed: High-Speed Circuit Breaker
- Arc-extinguishing Medium: Air
- Installation: Fixed
- Structure: MCB
AC MCB 40AMP 40A C40 Mini Circuit Breakers Single-Phase Main Circuit Breaker
US$ 1.27-1.4 / 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
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
C Curve MCB 4P 32A 40A 50A 63A Miniature Circuit Breaker
US$ 3.44-3.46 / 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
3 Pole 40A Thermomagnetic MCCB CE Certified Molded Case Circuit Breaker
US$ 40-70 / 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
High Performance Overcurrent Protection 32A 40A 63A 50A 1p 20A Circuit Breaker
US$ 0.1-1 / 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
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
20A 30A 40A 50A Miniature Auto Circuit Breaker
US$ 9.99-10 / Piece
Min. Order:100 Pieces
- Type: Circuit Breaker
- Certification: VDE/ISO9001-2000/CE/UL/CB/CCC/SAE
- Voltage: 12/24/48V
- Current: 20-300A
- Industry Standard: SAE
- Standard: IATF:Ts 16949
DAB6 40A Home Circuit Breaker with CE CB Certification
US$ 0.6-0.65 / Piece
Min. Order:5000 Pieces
- Breaking Capacity: Low Voltage Circuit Breakers
- Operation: Manual Type
- Speed: High-Speed Circuit Breaker
- Arc-extinguishing Medium: Arc Chamber
- Installation: Fixed
- Structure: MCB
2p MCB Dz47-63 1A 2A 3A 4A 5A 6A 10A 16A 20A 32A 40A 50A 63A DC 500V 1000V DC Mini Circuit Breaker
US$ 2.4-2.6 / Piece
Min. Order:10 Pieces
- Breaking Capacity: Low Voltage Circuit Breakers
- Operation: Electric Type
- Speed: High-Speed Circuit Breaker
- Arc-extinguishing Medium: Arc Extinguishing Chamber
- Installation: DIN Rail
- Structure: MCB
Nmi-63h 20A 25A 32A 40A 50A 63A Moulded Case Circuit Breaker
US$ 19.8-21 / Piece
Min. Order:5 Pieces
- Breaking Capacity: Low Voltage Circuit Breakers
- Operation: Manual Type
- Speed: Normal Type Circuit Breaker
- Installation: Fixed
- Structure: MCCB
- Poles Number: 3
