40 A Circuit Breakers

Results: 1 750
Select Image Part # Mfr. Description Datasheet Availability Pricing (EUR) Filter the results in the table by unit price based on your quantity. Qty. RoHS ECAD Model Series Product Type Current Rating Voltage Rating AC Voltage Rating DC Number of Poles Actuator Type Minimum Operating Temperature Maximum Operating Temperature Illuminated Packaging
Eaton Electrical Circuit Breakers FAZ UL 1077 supp. 1P 40A D CURVE 1In Stock
Min.: 1
Mult.: 1
FAZ Circuit Breakers Miniature 40 A 240 VAC 1 Pole Handle - 40 C + 75 C Non-Illuminated
Eaton Electrical Circuit Breakers FAZ UL 1077 2P 40A D CURVE 4In Stock
Min.: 1
Mult.: 1
FAZ Circuit Breakers Miniature 40 A 240 VAC, 415 VAC 2 Pole Handle - 40 C + 75 C Non-Illuminated
AIRPAX Circuit Breakers Cir Brkr Hyd Mag 1In Stock
Min.: 1
Mult.: 1
IUGN Circuit Breakers Hydraulic Magnetic 40 A 2 Pole Toggle - 40 C + 85 C Non-Illuminated
Murrelektronik Circuit Breakers Mico Pro electronic circuit protection, 1 channel, IN: 24 V DC OUT: 24 V DC / 4 A 1In Stock
Min.: 1
Mult.: 1
MICO 40 A 12 VDC, 24 VDC 1 Pole - 25 C + 55 C
Murrelektronik Circuit Breakers Mico Pro electronic circuit protection, 4 channels, IN: 24 V DC OUT: 24 V DC / 2 A 2In Stock
Min.: 1
Mult.: 1

9 Circuit Breakers MICO 40 A 12 VDC, 24 VDC 4 Pole - 25 C + 55 C Non-Illuminated Bulk
Murrelektronik Circuit Breakers Mico Pro electronic circuit protection, 1 channel, IN: 24 V DC OUT: 24 V DC / 1-2-3-4-5-6-7-8-9-10A 3In Stock
Min.: 1
Mult.: 1

9 Circuit Breakers MICO 40 A 12 VDC, 24 VDC 1 Pole - 25 C + 55 C Non-Illuminated Bulk
Murrelektronik Circuit Breakers Mico Pro electronic circuit protection, 1 channel, IN: 24 V DC OUT: 24 V DC / 11-12-13-14-15-16-17-18-19-20 A 5In Stock
Min.: 1
Mult.: 1

9 Circuit Breakers MICO 40 A 12 VDC, 24 VDC 1 Pole - 25 C + 50 C Non-Illuminated Bulk


AIRPAX Circuit Breakers Cir Brkr Hyd Mag 1In Stock
Min.: 1
Mult.: 1
Circuit Breakers Hydraulic Magnetic 40 A 250 VAC 80 VDC 1 Pole Rocker - 40 C + 85 C Non-Illuminated
ABB Circuit Breakers MCB ST200M 1P B 40A UL1077
6In Stock
Min.: 1
Mult.: 1
ST200M Circuit Breakers 40 A 1 Pole
ABB Circuit Breakers MCB ST200M 2P K 40A UL1077
5In Stock
Min.: 1
Mult.: 1
ST200M Circuit Breakers 40 A 2 Pole
ABB Circuit Breakers MCB ST200M 3P K 40A UL1077
4In Stock
Min.: 1
Mult.: 1
ST200M Circuit Breakers 40 A 3 Pole
Siemens Circuit Breakers MSP S2 CLASS 10 32-40A SCREW 3In Stock
Min.: 1
Mult.: 1

3RV2 Circuit Breakers Motor Protection 40 A 690 VAC 3 Pole Rotary - 20 C + 60 C Non-Illuminated
Siemens Circuit Breakers MCB 5SJ4 1P 240V 40A SAME PH 14K C-TRIP 12In Stock
Min.: 1
Mult.: 1
5SJ4 Circuit Breakers Miniature 40 A 240 VAC 60 VDC 1 Pole Lever - 25 C + 55 C Non-Illuminated
Siemens Circuit Breakers MCB 5SJ4 1P 277V 40A 10K C-TRIP 5In Stock
Min.: 1
Mult.: 1
5SJ4 Circuit Breakers Miniature 40 A 277 VAC 60 VDC 1 Pole Lever - 25 C + 55 C Non-Illuminated
Siemens Circuit Breakers MCB 5SJ4 3P 240V 40A 14K C-TRIP 3In Stock
Min.: 1
Mult.: 1
Circuit Breakers Miniature 40 A 240 VAC 60 VDC 3 Pole Lever - 25 C + 55 C Non-Illuminated
Siemens Circuit Breakers SUP PTOR 5SY4 1P 240V 40A 7.5K C-TRIP 4In Stock
Min.: 1
Mult.: 1
Circuit Breakers Miniature 40 A 400 VAC 60 VDC 1 Pole Lever - 40 C + 70 C Non-Illuminated
Siemens Circuit Breakers SUP PTOR 5SY4 3P 480V 40A 5K C-TRIP 3In Stock
2Expected 10/08/2026
Min.: 1
Mult.: 1
Circuit Breakers Miniature 40 A 400 VAC 60 VDC 3 Pole Lever - 40 C + 70 C Non-Illuminated
Siemens Circuit Breakers SUP PTOR 5SY4 3P 480V 40A 5K D-TRIP 4In Stock
Min.: 1
Mult.: 1
Circuit Breakers Miniature 40 A 400 VAC 60 VDC 3 Pole Lever - 40 C + 70 C Non-Illuminated
Carlo Gavazzi Circuit Breakers MCB UL1077 C 2P 40A 5In Stock
Min.: 1
Mult.: 1

GSB63 Circuit Breakers Thermal Magnetic 40 A 277 VAC 2 Pole Lever - 35 C + 70 C Non-Illuminated Bulk


E-T-A Circuit Breakers Single pole high performance thermal circuit breaker, with push-to-reset tease free, trip-free snap action mechanism (R-type TO CBE to EN 60934). Designed for threadneck panel mounting and for applications with a high fault current sw 22In Stock
Min.: 1
Mult.: 1
4130 Thermal Circuit Breakers Thermal Magnetic 40 A 240 VAC 50 VDC 1 Pole Push-Pull


E-T-A Circuit Breakers Single pole high performance thermal circuit breaker, with push-to-reset tease free, trip-free snap action mechanism (R-type TO CBE to EN 60934). Designed for threadneck panel mounting and for applications with a high fault current sw 9In Stock
Min.: 1
Mult.: 1
4130 Thermal Circuit Breakers Thermal Magnetic 40 A 240 VAC 50 VDC 1 Pole Push-Pull - 30 C + 60 C Non-Illuminated
Eaton Electrical Circuit Breakers FAZ UL 1077 supp. 1P 40A B CURVE 2In Stock
Min.: 1
Mult.: 1
FAZ Circuit Breakers Miniature 40 A 240 VAC 1 Pole Handle - 40 C + 75 C Non-Illuminated
Cole Hersee Circuit Breakers CIRCUIT BRKR 40A 12V 72In Stock
Min.: 1
Mult.: 1

Circuit Breakers Auto Reset 40 A 12 VDC 1 Pole Non-Illuminated Bulk
Cole Hersee Circuit Breakers CIRCUIT BRKR 40A 12V 51In Stock
Min.: 1
Mult.: 1

Circuit Breakers Box Style 40 A 12 VDC Non-Illuminated Bulk
Phoenix Contact Circuit Breakers TMC 73B 40A 4In Stock
Min.: 1
Mult.: 1

TMC 7 Circuit Breakers Thermal Magnetic 40 A 277 VAC 3 Pole Lever - 35 C + 70 C Non-Illuminated