Circuit Breaker

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Part	Manufacturer	Circuit Protection Type	Mounting Feature	Rated AC Voltage	Rated DC Voltage	Rated Current	Terminal Shape	Minimum Operating Temperature	Terminal Finish	Rated Breaking Capacity	Trip Time/Delay	Additional Features	Actuator Type	Packing Method	Body Length/Diameter	Body Width	Environmental Characteristics	JESD-609 Code	Dimensions	Circuit Function	Body Height	Reference Standard	No. of Poles	Maximum Operating Temperature	Blow Characteristic
2DU8L	Altech	Thermal Magnetic Circuit Breaker	DIN Rail Mount	480 V		8 A	Snap On	-25 °C (-13 °F)		10 kA			Toggle Handle	Bulk	4.291 in (109 mm)	1.378 in (35 mm)	IP20			Trip	2.362 in (60 mm)	CE, CUL, UL	2	60 °C (140 °F)
2D4UL	Altech	Thermal Magnetic Circuit Breaker	DIN Rail Mount	480 V		4 A	Snap On	-25 °C (-13 °F)		10 kA			Toggle Handle	Bulk	4.146 in (105.3 mm)	1.378 in (35 mm)				Trip	2.693 in (68.4 mm)	CE, CUL, UL	2	55 °C (131 °F)
3D1UR	Altech	Thermal Magnetic Circuit Breaker	DIN Rail Mount	480 V		1 A	Snap On	-25 °C (-13 °F)		10 kA			Toggle	Bulk	3.516 in (89.3 mm)	2.067 in (52.5 mm)	IP20			Trip	2.693 in (68.4 mm)	CE; CUL; UL	3	55 °C (131 °F)
3CU25L	Altech	Thermal Magnetic Circuit Breaker	DIN Rail Mount	240 V		25 A	Snap On	-25 °C (-13 °F)		10 kA			Toggle Handle	Bulk	4.291 in (109 mm)	2.067 in (52.5 mm)	IP20			Trip	2.362 in (60 mm)	CE, CUL, UL	3	60 °C (140 °F)
6-1393250-7	TE Connectivity	Thermal Circuit Breaker	Panel Mount	250 V	32 V	20 A	Quick Connect			1 kA	2.2 s		Push To Reset		0.76 in (19.31 mm)	0.76 in (19.31 mm)				Series Trip	1.535 in (38.99 mm)		1
W28-XT1A-3	TE Connectivity	Thermal Circuit Breaker	Panel Mount	250 V	32 V	3 A	Quick Connect				2.2 s		Push To Reset		0.76 in (19.31 mm)	0.76 in (19.31 mm)				Series Trip	1.535 in (38.99 mm)		1
W58-XC4C12A-1	TE Connectivity	Thermal Circuit Breaker	Panel Mount	250 V	50 V	1 A	Lug			1 kA	10 s		Push To Reset		1.375 in (34.93 mm)	0.66 in (16.76 mm)				Series Trip	1.375 in (34.93 mm)		1
W33-S1N1Q-10	TE Connectivity	Thermal Circuit Breaker	Panel Mount	250 V	50 V	10 A	Quick Connect				3 s		Rocker		1.89 in (48.01 mm)	0.98 in (24.89 mm)				Series Trip	1.724 in (43.79 mm)		2
W33-S1N1Q-5	TE Connectivity	Thermal Circuit Breaker	Panel Mount	250 V	50 V	5 A	Quick Connect			1 kA	3 s		Rocker		1.89 in (48.01 mm)	0.98 in (24.89 mm)				Series Trip	1.724 in (43.79 mm)		2
1110-F112-P1M1-2A	E-t-a Elektrotechnische Apparate	Thermal Circuit Breaker	Panel Mount	250 V	50 V	2 A	Quick Connect	-20 °C (-4 °F)		1 kA		ENVIRONMENTAL CHARACTERISTICS: IP40; IP00	Push Button		0.748 in (19 mm)	0.52 in (13.2 mm)	Corrosion Resistant; Moisture Resistant		0.748 x 0.52 x 1.87 in (19 x 13.2 x 47.5 mm)	Tease-Free And Trip-Free	1.87 in (47.5 mm)	CBE; CSA; IEC; UL; VDE	1	60 °C (140 °F)	Medium
GV2ME05	Schneider Electric Sa	Thermal Magnetic Circuit Breaker	DIN Rail And Panel Mount	690 V		1 A	Screw And Snap On	-20 °C (-4 °F)		100 kA			Push Button	Bulk	3.504 in (89 mm)	1.772 in (45 mm)	IK04; IP20		3.079 x 1.772 x 3.504 in (78.2 x 45 x 89 mm)	Trip	3.091 in (78.5 mm)	EN; IEC	3	60 °C (140 °F)
GV2ME14	Schneider Electric Sa	Thermal Magnetic Circuit Breaker	DIN Rail And Panel Mount	690 V		10 A	Screw And Snap On	-20 °C (-4 °F)		3 kA			Push Button	Bulk	3.504 in (89 mm)	1.772 in (45 mm)	IK04; IP20		3.079 x 1.772 x 3.504 in (78.2 x 45 x 89 mm)	Trip	3.091 in (78.5 mm)	ATEX; BV; CCC; CSA; DNV-GL; EAC; EN; IEC; LROS; RINA; UL	3	60 °C (140 °F)
W91-X112-30	TE Connectivity	Magnetic Circuit Breaker	Panel Mount	277 V		30 A	Stud	-40 °C (-40 °F)		5 kA	2.2 s		Toggle		2.5 in (63.5 mm)	0.75 in (19.05 mm)				Series Trip	1.845 in (46.86 mm)		1	85 °C (185 °F)
W92-X112-30	TE Connectivity	Magnetic Circuit Breaker	Panel Mount	277 V		30 A	Stud	-40 °C (-40 °F)		5 kA	2.2 s		Toggle		2.5 in (63.5 mm)	1.5 in (38.1 mm)	Moisture Resistant			Series Trip	1.985 in (50.42 mm)	CSA; UL; VDE	2	85 °C (185 °F)	Standard
W92-X112-40	TE Connectivity	Magnetic Circuit Breaker	Panel Mount	277 V		40 A	Stud	-40 °C (-40 °F)		5 kA	2.2 s		Toggle		2.5 in (63.5 mm)	1.5 in (38.1 mm)				Series Trip	1.845 in (46.86 mm)		2	85 °C (185 °F)
W93-X112-40V	TE Connectivity	Magnetic Circuit Breaker	Panel Mount	250 V		40 A	Stud	-40 °C (-40 °F)		2 kA	2.2 s		Toggle		2.5 in (63.5 mm)	0.75 in (19.05 mm)				Series Trip	1.845 in (46.86 mm)		3	85 °C (185 °F)
W23-X1A1G-50	TE Connectivity	Thermal Circuit Breaker	Panel Mount	240 V	50 V	50 A	Screw			1 kA	6 s		Push-Pull		1.384 in (35.15 mm)	0.69 in (17.53 mm)	Corrosion/Environment/Moisture Resistant			Series Trip	1.6 in (40.64 mm)	CSA; UL	1
W23-X1A1G-5	TE Connectivity	Thermal Circuit Breaker	Panel Mount	240 V	50 V	5 A	Screw			1 kA	6 s		Push-Pull		1.384 in (35.15 mm)	0.69 in (17.53 mm)	Corrosion/Environment/Moisture Resistant			Series Trip	1.6 in (40.64 mm)	CSA; UL	1
W31-X2M1G-10	TE Connectivity	Thermal Circuit Breaker	Panel Mount	240 V	50 V	10 A	Screw			1 kA	6 s		Toggle		1.384 in (35.15 mm)	0.69 in (17.53 mm)	Corrosion/Environment/Moisture Resistant			Series Trip	1.6 in (40.64 mm)	CSA; UL	1
W31-X2M1G-15	TE Connectivity	Thermal Circuit Breaker	Panel Mount	240 V	50 V	15 A	Screw			1 kA	6 s		Toggle		1.384 in (35.15 mm)	0.69 in (17.53 mm)	Corrosion/Environment/Moisture Resistant			Series Trip	1.6 in (40.64 mm)	CSA; UL	1
W31-X2M1G-25	TE Connectivity	Thermal Circuit Breaker	Panel Mount	240 V	50 V	25 A	Screw			1 kA	6 s		Toggle		1.384 in (35.15 mm)	0.69 in (17.53 mm)	Corrosion/Environment/Moisture Resistant			Series Trip	1.6 in (40.64 mm)	CSA; UL	1
W31-X2M1G-5	TE Connectivity	Thermal Circuit Breaker	Panel Mount	240 V	50 V	5 A	Screw			1 kA	6 s		Toggle		1.384 in (35.15 mm)	0.69 in (17.53 mm)	Corrosion/Environment/Moisture Resistant			Series Trip	1.6 in (40.64 mm)	CSA; UL	1
1410-L110-L1F1-S01-1A	E-t-a Elektrotechnische Apparate	Thermal Circuit Breaker	Through Hole Mount	240 V	28 V	1 A	Printed Circuit Board	-20 °C (-4 °F)	Silver	2 kA		Rated breaking capacity at 50 VDC: 200 A, Environmental Characteristics: IP40; IP00	Reset Button		0.984 in (25 mm)	0.504 in (12.8 mm)	Corrosion Resistant; Moisture Resistant	e4	0.984 x 0.504 x 0.591 in (25 x 12.8 x 15 mm)		0.591 in (15 mm)	CSA; UL; VDE	1	70 °C (158 °F)
1180-01-6A	E-t-a Elektrotechnische Apparate	Thermal Circuit Breaker	Panel Mount	250 V	72 V	6 A	Quick Connect	-20 °C (-4 °F)		2 kA			Push Button		1.921 in (48.8 mm)	0.323 in (8.2 mm)	IP00; IP40		0.961 x 0.323 x 1.921 in (24.4 x 8.2 x 48.8 mm)	Trip Free	0.961 in (24.4 mm)	CQC; CSA; EN; IEC; UL; VDE	1	60 °C (140 °F)
J7MN-3R-6	Omron	Magnetic Circuit Breaker	DIN Rail And Panel Mount	690 V		6 A	Screw	-20 °C (-4 °F)		100 kA			Manual On/Off		3.366 in (85.5 mm)	1.772 in (45 mm)	IP20		3.366 x 1.772 x 3.858 in (85.5 x 45 x 98 mm)	Under Voltage Release	3.858 in (98 mm)	CSA; UL	3	60 °C (140 °F)
W67-X2T52-50	TE Connectivity	Magnetic Circuit Breaker	Panel Mount		65 V	50 A	Screw				2.2 s		Toggle							Series Trip			1
GV2ME06	Schneider Electric Sa	Thermal Magnetic Circuit Breaker	DIN Rail And Panel Mount	690 V		1.6 A	Screw And Snap On	-20 °C (-4 °F)		100 kA			Push Button	Bulk	3.504 in (89 mm)	1.772 in (45 mm)	IK04; IP20			Trip	3.091 in (78.5 mm)	EN; IEC	3	60 °C (140 °F)
CMB-033-27J6N-B-D/03	Carling Technologies	Thermal Circuit Breaker	Panel Mount	250 V	32 V	3 A	Quick Connect	-10 °C (14 °F)		1 kA		Rated breaking capacity at 32 VDC: 2500 A	Push To Reset		1.154 in (29.3 mm)	0.551 in (14 mm)				Manual On/Off	1.78 in (45.2 mm)		1	60 °C (140 °F)
CMB-053-27G3N-B-A	Carling Technologies	Thermal Circuit Breaker	Panel Mount	250 V	32 V	5 A	Quick Connect	-10 °C (14 °F)		1 kA			Push To Reset		1.154 in (29.3 mm)	0.551 in (14 mm)				Series Trip	1.78 in (45.2 mm)	CSA; CE; CUL; TUV; UL	1	60 °C (140 °F)
CMB-153-11C3N-B-A/15	Carling Technologies	Thermal Circuit Breaker	Panel Mount	250 V	32 V	15 A	Quick Connect	-10 °C (14 °F)		1 kA		Rated breaking capacity at 32 VDC: 2500 A	Push To Reset		1.154 in (29.3 mm)	0.551 in (14 mm)				Manual On/Off	1.78 in (45.2 mm)		1	60 °C (140 °F)
CMB-153-11C3N-B-A	Carling Technologies	Thermal Circuit Breaker	Panel Mount	250 V	32 V	15 A	Quick Connect	-10 °C (14 °F)		1 kA			Push To Reset		1.154 in (29.3 mm)	0.551 in (14 mm)				Series Trip	1.78 in (45.2 mm)	CSA; CE; CUL; TUV; UL	1	60 °C (140 °F)
CMB-203-27J8N-B-A/20	Carling Technologies	Thermal Circuit Breaker	Panel Mount	250 V	32 V	20 A	Quick Connect	-10 °C (14 °F)		1 kA		Rated breaking capacity at 32 VDC: 2500 A	Push To Reset		1.154 in (29.3 mm)	0.551 in (14 mm)				Manual On/Off	1.78 in (45.2 mm)		1	60 °C (140 °F)
TS-709-5	Schurter Ag	Thermal Circuit Breaker	Panel Mount	125 V	32 V	5 A	Quick Connect			1 kA			Push To Reset		1.161 in (29.5 mm)	0.563 in (14.3 mm)				Trip Free	0.886 in (22.5 mm)	UL	1
CLB-103-27E3N-W-A/10	Carling Technologies	Thermal Circuit Breaker	Panel Mount	250 V	32 V	10 A	Quick Connect	-10 °C (14 °F)		300 A		Rated breaking capacity at 32 VDC: 2500 A	Push To Reset		1.378 in (35 mm)	0.571 in (14.5 mm)	Fire Resistant			Series Trip	1.693 in (43 mm)	CE; CSA; TUV; UL	1	60 °C (140 °F)
AA1-B0-26-430-1B1-C	Carling Technologies	Magnetic Circuit Breaker	Panel Mount	277 V		3 A	Quick Connect	-40 °C (-40 °F)		5 kA		Standards: MIL-PRF-55629, MIL-STD-202	Handle		2 in (50.8 mm)	0.755 in (19.18 mm)	Corrosion/Moisture Resistant			Series Trip	1.64 in (41.66 mm)	CSA; UL	1	85 °C (185 °F)
CA1-B0-12-225-321-D	Carling Technologies	Magnetic Circuit Breaker	Panel Mount	480 V	150 V	250 mA	Stud	-40 °C (-40 °F)		10 kA			Handle		1.85 in (47 mm)	0.75 in (19.05 mm)				Series Trip	2.5 in (63.5 mm)	UL	1	85 °C (185 °F)
CA1-B0-16-625-622-D	Carling Technologies	Magnetic Circuit Breaker	Panel Mount	480 V	150 V	25 A	Stud	-40 °C (-40 °F)		10 kA			Handle		1.85 in (47 mm)	0.75 in (19.05 mm)				Series Trip	2.5 in (63.5 mm)	UL	1	85 °C (185 °F)
CA1-B0-26-210-412-D	Carling Technologies	Magnetic Circuit Breaker	Panel Mount	250 V		100 mA	Stud	-40 °C (-40 °F)		5 kA			Handle		2.5 in (63.5 mm)	0.755 in (19.18 mm)	Corrosion/Moisture Resistant			Series Trip	1.85 in (47 mm)	CSA; UL; VDE	1	85 °C (185 °F)
CA1-B0-32-410-311-C	Carling Technologies	Magnetic Circuit Breaker	Panel Mount	480 V	150 V	1 A	Stud	-40 °C (-40 °F)		10 kA			Handle		1.85 in (47 mm)	0.75 in (19.05 mm)				Series Trip	2.5 in (63.5 mm)	UL	1	85 °C (185 °F)
CA1-B0-32-810-AG2-C	Carling Technologies	Magnetic Circuit Breaker	Panel Mount	480 V	150 V	100 A	Stud	-40 °C (-40 °F)		10 kA			Handle		1.85 in (47 mm)	0.75 in (19.05 mm)				Series Trip	2.5 in (63.5 mm)	UL	1	85 °C (185 °F)
CA1-B0-34-450-A21-C	Carling Technologies	Magnetic Circuit Breaker	Panel Mount	480 V	150 V	5 A	Stud	-40 °C (-40 °F)		10 kA			Handle		1.85 in (47 mm)	0.75 in (19.05 mm)				Series Trip	2.5 in (63.5 mm)	UL	1	85 °C (185 °F)
CA1-B0-46-625-622-C	Carling Technologies	Magnetic Circuit Breaker	Panel Mount	480 V	150 V	25 A	Stud	-40 °C (-40 °F)		10 kA			Handle		1.85 in (47 mm)	0.75 in (19.05 mm)				Series Trip	2.5 in (63.5 mm)	UL	1	85 °C (185 °F)
CA1-B2-12-610-121-C	Carling Technologies	Magnetic Circuit Breaker	Panel Mount	480 V	150 V	10 A	Stud	-40 °C (-40 °F)		10 kA			Handle		1.85 in (47 mm)	0.75 in (19.05 mm)				Series Trip	2.5 in (63.5 mm)	UL	1	85 °C (185 °F)
CA1-B2-12-610-121-D	Carling Technologies	Magnetic Circuit Breaker	Panel Mount	480 V	150 V	10 A	Stud	-40 °C (-40 °F)		10 kA			Handle		1.85 in (47 mm)	0.75 in (19.05 mm)				Series Trip	2.5 in (63.5 mm)	UL	1	85 °C (185 °F)
CA1-B2-12-610-121-MG	Carling Technologies	Magnetic Circuit Breaker	Panel Mount	240 V	80 V	10 A	Stud	-40 °C (-40 °F)		10 kA			Handle		1.85 in (47 mm)	0.75 in (19.05 mm)				Series Trip	2.5 in (63.5 mm)	UL	1	85 °C (185 °F)
CA1-B2-12-620-321-C	Carling Technologies	Magnetic Circuit Breaker	Panel Mount	480 V	150 V	20 A	Stud	-40 °C (-40 °F)		10 kA			Handle		1.85 in (47 mm)	0.75 in (19.05 mm)				Series Trip	2.5 in (63.5 mm)	UL	1	85 °C (185 °F)
CA1-B2-34-450-A21-C	Carling Technologies	Magnetic Circuit Breaker	Panel Mount	480 V	150 V	5 A	Screw	-40 °C (-40 °F)		10 kA			Handle		1.85 in (47 mm)	0.75 in (19.05 mm)				Series Trip	2.5 in (63.5 mm)	UL	1	85 °C (185 °F)
CA2-B0-34-615-121-C	Carling Technologies	Magnetic Circuit Breaker	Panel Mount	480 V	150 V	15 A	Stud	-40 °C (-40 °F)		10 kA			Handle		1.85 in (47 mm)	1.515 in (38.48 mm)				Series Trip	2.5 in (63.5 mm)	UL	2	85 °C (185 °F)

Circuit Breaker

A circuit breaker is an automatic electrical switch that is designed to protect an electrical circuit from damage caused by overcurrent or short circuits. Circuit breakers are commonly used in residential, commercial, and industrial electrical systems, and they are an important safety device that helps prevent electrical fires, equipment damage, and personal injury.

Circuit breakers work by monitoring the amount of current flowing through an electrical circuit. If the current exceeds a preset level, the circuit breaker will trip, or open the circuit, to prevent damage to the electrical system. When the circuit breaker trips, it interrupts the flow of current, which stops the electrical current from flowing and prevents further damage.

Circuit breakers are available in a variety of types and sizes, and they can be classified based on their voltage rating, current rating, and interrupting capacity. Some common types of circuit breakers include thermal circuit breakers, magnetic circuit breakers, and hybrid circuit breakers.

In addition to protecting electrical systems from overcurrent and short circuits, circuit breakers also help improve the reliability and efficiency of electrical systems. They can also be used to switch electrical circuits on and off, which can be helpful in certain applications.