40 A Circuit Breakers

Results: 1 930
Select Image Part # Mfr. Description Datasheet Availability Pricing (CRC) 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


Phoenix Contact Circuit Breakers CBM E4 24DC/0.5-10A NO-R 134In Stock
Min.: 1
Mult.: 1

Circuit Breakers Electronic 40 A 24 VDC 4 Pole - 25 C + 70 C Non-Illuminated Bulk
Phoenix Contact Circuit Breakers CBMC E4 24DC/1-10ANO 400In Stock
Min.: 1
Mult.: 1

CBMC Circuit Breakers Electronic 40 A 24 VDC 4 Pole - 25 C + 60 C Illuminated
Siemens Circuit Breakers BRKR 3VA51 3P 40A 25KA FTFM 5In Stock
Min.: 1
Mult.: 1
3VA Thermal Magnetic Circuit Breakers System Protection 40 A 690 VAC 500 VDC 3 Pole Paddle - 25 C + 70 C Non-Illuminated
Schneider Electric Circuit Breakers MAN-START 600VAC 40AMP IEC 6In Stock
Min.: 1
Mult.: 1

GV Circuit Breakers Thermal Magnetic 40 A 690 VAC 3 Pole Rotary - 20 C + 60 C Non-Illuminated


Phoenix Contact Circuit Breakers CBMC E4 24DC/1-10A S-R 92In Stock
Min.: 1
Mult.: 1

CBMC Circuit Breakers Electronic 40 A 24 VDC 1 Pole Pushbutton - 25 C + 60 C Illuminated


Hartland Controls / Littelfuse Circuit Breakers 120/240V 40A 2P CIRCUIT BREAKER, LUGS/QUICK CONNECT 21In Stock
Min.: 1
Mult.: 1

HCB Thermal Magnetic Circuit Breakers 40 A 120 VAC, 240 VAC 2 Pole Handle - 10 C + 60 C Non-Illuminated Bulk
Murrelektronik Circuit Breakers Mico Pro electronic circuit protection, 4 channel IN: 24 V DC OUT: 24 V DC / 4 A CL2 14In Stock
Min.: 1
Mult.: 1

9 Circuit Breakers MICO 40 A 12 VDC, 24 VDC 4 Pole - 25 C + 55 C Non-Illuminated Bulk
Phoenix Contact Circuit Breakers TMC 72D 40A 63In Stock
Min.: 1
Mult.: 1

TMC 7 Circuit Breakers Thermal Magnetic 40 A 277 VAC 125 VDC 2 Pole Lever - 35 C + 70 C Non-Illuminated


Schneider Electric Circuit Breakers TeSys MOTOR CB MAGNETIC 40A EVLK 4In Stock
Min.: 1
Mult.: 1

GV Circuit Breakers Magnetic 40 A 690 VAC 3 Pole Rotary - 20 C + 60 C Non-Illuminated
Murrelektronik Circuit Breakers Mico Pro electronic circuit protection, 2 channels, IN: 24 V DC OUT: 24 V DC / 1-2-3-4-5-6-7-8-9-10A 1In Stock
Min.: 1
Mult.: 1

9 Circuit Breakers MICO 40 A 12 VDC, 24 VDC 2 Pole - 25 C + 55 C Non-Illuminated Bulk
AIRPAX Circuit Breakers Cir Brkr, HydMag, 2 pl, 80VDC/250VAC,10A 2In Stock
Min.: 1
Mult.: 1
Hydraulic Magnetic Circuit Breakers Hydraulic Magnetic 40 A 3 Pole Handle - 40 C + 85 C Non-Illuminated
AIRPAX Circuit Breakers Cir Brkr Hyd Mag 2In Stock
Min.: 1
Mult.: 1
Circuit Breakers 40 A 2 Pole Rocker - 40 C + 85 C Non-Illuminated
ABB Circuit Breakers MCB ST200M 1P K 40A UL1077 4In Stock
Min.: 1
Mult.: 1
ST200M Circuit Breakers 40 A 1 Pole
E-T-A Circuit Breakers Single pole high performance thermal circuit breaker with tease-free, trip-free, snap action mechanism and push/pull on/off manual actuation (M-type TO CBE to EN 60934). An indicator band on the push button clearly shows the tripped/off position. Thr 7In Stock
Min.: 1
Mult.: 1

413 Thermal Circuit Breakers Thermal Magnetic 40 A 115 VAC 28 VDC 1 Pole Push-Pull - 55 C + 75 C Non-Illuminated
AIRPAX Circuit Breakers Cir Brkr Hyd Mag 2In Stock
Min.: 1
Mult.: 1
IEL Circuit Breakers Hydraulic Magnetic 40 A 2 Pole Handle - 40 C + 85 C Non-Illuminated
Siemens Circuit Breakers BRKR 3VA51 2P 40A 25KA FTFM NUT 1In Stock
Min.: 1
Mult.: 1
3VA Thermal Magnetic Circuit Breakers System Protection 40 A 415 VAC 250 VDC 2 Pole Paddle - 25 C + 70 C Non-Illuminated
AIRPAX Circuit Breakers Cir Brkr Hyd Mag 1In Stock
Min.: 1
Mult.: 1
Circuit Breakers 40 A 3 Pole Toggle - 40 C + 85 C Non-Illuminated
E-T-A Circuit Breakers Single pole compact high performance thermal circuit breaker with tease-free, trip-free, snap action mechanism and push/pull on/off manual actuation (M-type TO CBE to EN 60934). An indicator band on the push button clearly shows the tripped/off posit 1In Stock
Min.: 1
Mult.: 1

482-G Thermal Circuit Breakers Thermal 40 A 125 VAC 28 VDC 1 Pole Push-Pull - 55 C + 75 C Non-Illuminated
E-T-A Circuit Breakers Single and multipole magnetic circuit breakers with trip-free mechanism and toggle actuation. A choice of fast magnetic only or hydraulically delayed switching characteristics (S-type MO or HM CBE to EN 60934) ensures suitability for 2In Stock
Min.: 1
Mult.: 1

8340-F Hydraulic Magnetic Circuit Breakers Thermal Magnetic 40 A 240 VAC, 415 VAC 80 VDC 3 Pole Toggle - 40 C + 85 C Non-Illuminated
Eaton Electrical Circuit Breakers FAZ-NA UL 489 MCB 240VAC 4P 40A D CURVE 1In Stock
Min.: 1
Mult.: 1
FAZ Circuit Breakers Miniature 40 A 240 VAC, 415 VAC 4 Pole Handle - 40 C + 75 C Non-Illuminated
ABB Circuit Breakers MCB ST200M 2P C 40A UL1077 10In Stock
Min.: 1
Mult.: 1
ST200M Circuit Breakers 40 A 2 Pole
E-T-A Circuit Breakers Single and multipole magnetic circuit breakers with trip-free mechanism and toggle actuation. A choice of fast magnetic only or hydraulically delayed switching characteristics (S-type MO or HM CBE to EN 60934) ensures suitability for 6In Stock
Min.: 1
Mult.: 1

8340-F Hydraulic Magnetic Circuit Breakers Thermal Magnetic 40 A 240 VAC, 415 VAC 80 VDC 1 Pole Toggle - 40 C + 85 C Non-Illuminated
Altech Circuit Breakers 40A D Characteristic UL 508 1 POLE 11In Stock
1Expected 10/16/2026
Min.: 1
Mult.: 1

UM 40 A 277 VAC 24 VDC 1 Pole Handle - 25 C + 55 C Non-Illuminated
ABB Circuit Breakers MCB ST200M 2P D 40A UL1077 3In Stock
2Expected 11/27/2026
Min.: 1
Mult.: 1
ST200M Circuit Breakers 40 A 2 Pole
ABB Circuit Breakers MCB SUP200M 2P K 40A UL 489 2In Stock
Min.: 1
Mult.: 1
Circuit Breakers Miniature 40 A 240 VAC 2 Pole Handle Non-Illuminated