5 A Circuit Breaker 42

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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
W33-T4B1Q-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
3120-F323-P7T1-W01D-5A	E-t-a Elektrotechnische Apparate	Thermal Circuit Breaker	Panel Mount	250 V	50 V	5 A	Quick Connect	-30 °C (-22 °F)		5 A			Rocker		2.126 in (54 mm)	0.827 in (21 mm)	Corrosion Resistant		2.126 x 0.827 x 1.299 in (54 x 21 x 33 mm)	Manual On/Off	1.299 in (33 mm)	CCC; CSA; UL; VDE	2	60 °C (140 °F)
1410-L210-L2F1-S02-5A	E-t-a Elektrotechnische Apparate	Thermal Circuit Breaker	Through Hole Mount	240 V	28 V	5 A	Printed Circuit Board	-20 °C (-4 °F)	Silver	2 kA		Rated breaking capacity at 50 VDC: 200 A	Reset Slide		1.102 in (28 mm)	0.354 in (9 mm)	Corrosion Resistant	e4	1.102 x 0.354 x 0.425 in (28 x 9 x 10.8 mm)		0.425 in (10.8 mm)	CSA; UL; VDE	1	70 °C (158 °F)
W67-X2Q12-5	TE Connectivity	Magnetic Circuit Breaker	Panel Mount	277 V		5 A	Quick Connect	-40 °C (-40 °F)		5 kA	2.2 s		Toggle		2 in (50.8 mm)	0.75 in (19.05 mm)	Fungus Resistant; Moisture Resistant		2 x 0.75 x 1.64 in (50.8 x 19.05 x 41.66 mm)	Series Trip	1.64 in (41.66 mm)	CSA; UL	1	85 °C (185 °F)	Standard
W68-X2Q12-5	TE Connectivity	Magnetic Circuit Breaker	Panel Mount	277 V		5 A	Quick Connect	-40 °C (-40 °F)		5 kA	2.2 s		Toggle		2 in (50.8 mm)	1.5 in (38.1 mm)	Fungus Resistant; Moisture Resistant		2 x 1.5 x 1.64 in (50.8 x 38.1 x 41.66 mm)	Series Trip	1.64 in (41.66 mm)	CSA; UL	2	85 °C (185 °F)	Standard
2CU5L	Altech	Thermal Magnetic Circuit Breaker	DIN Rail Mount	480 V		5 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)
2D5UL	Altech	Thermal Magnetic Circuit Breaker	DIN Rail Mount	480 V		5 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)
3C5UL	Altech	Thermal Magnetic Circuit Breaker	DIN Rail Mount	480 V		5 A	Snap On	-25 °C (-13 °F)		10 kA			Toggle Handle	Bulk	4.146 in (105.3 mm)	2.067 in (52.5 mm)				Trip	2.693 in (68.4 mm)	CE, CUL, UL	3	55 °C (131 °F)
2C5UL	Altech	Thermal Magnetic Circuit Breaker	DIN Rail Mount	480 V		5 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)
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
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-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
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)
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
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-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)
AA1-B0-26-450-1D1-C	Carling Technologies	Magnetic Circuit Breaker	Panel Mount	277 V		5 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)
AA1-B0-34-450-3B1-C	Carling Technologies	Magnetic Circuit Breaker	Panel Mount	277 V	80 V	5 A	Screw	-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)
AA1-B0-34-450-5D1-C	Carling Technologies	Magnetic Circuit Breaker	Panel Mount	277 V	80 V	5 A	Screw	-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)
1620-2-5A	E-t-a Elektrotechnische Apparate	Thermal Circuit Breaker	Panel Mount		12 V	5 A	Quick Connect	-40 °C (-40 °F)		150 A			Modified Reset		0.524 in (13.3 mm)	0.276 in (7 mm)	Corrosion Resistant; IP00; IP50			Trip	0.984 in (25 mm)		1	85 °C (185 °F)
1620-3-5A	E-t-a Elektrotechnische Apparate	Thermal Circuit Breaker	Panel Mount		12 V	5 A	Quick Connect	-40 °C (-40 °F)		150 A			Reset Button		0.524 in (13.3 mm)	0.276 in (7 mm)	Corrosion Resistant; IP00; IP40			Trip	0.984 in (25 mm)		1	85 °C (185 °F)
4230-T120-K0DE-5A	E-t-a Elektrotechnische Apparate	Thermal Magnetic Circuit Breaker	DIN Rail Mount	480 V	125 V	5 A	Snap On	-35 °C (-31 °F)		5 kA			Toggle Handle		3.228 in (82 mm)	1.39 in (35.3 mm)	Corrosion Resistant; IP20			Trip Free	2.37 in (60.2 mm)	UL; TUV	2	70 °C (158 °F)
483-G411-K1M1-A1S0Z--5A	E-t-a Elektrotechnische Apparate	Thermal Circuit Breaker	Panel Mount	115 V	28 V	5 A	Screw	-55 °C (-67 °F)		2 kA		Rated breaking capacity at 28 VDC: 6000 A	Push-Pull		0.768 in (19.5 mm)	0.559 in (14.2 mm)	IP40; IP00			Tease-Free And Trip-Free	1.22 in (31 mm)		1	125 °C (257 °F)
3120-N311-P7T1-W02D-5A	E-t-a Elektrotechnische Apparate	Thermal Circuit Breaker	Panel Mount	240 V	50 V	5 A	Quick Connect	-30 °C (-22 °F)		5 kA		Rated breaking capacity at 50 VDC: 1000 A	Rocker		2.22 in (56.4 mm)	0.984 in (25 mm)	Corrosion Resistant; IP00; IP40			Trip Free	1.299 in (33 mm)	CCC; CSA; KC; UL; VDE	1	60 °C (140 °F)
3120-N321-P7T1-W01D-5A	E-t-a Elektrotechnische Apparate	Thermal Circuit Breaker	Panel Mount	240 V	50 V	5 A	Quick Connect	-30 °C (-22 °F)		5 kA		Rated breaking capacity at 50 VDC: 1000 A	Rocker		2.22 in (56.4 mm)	0.984 in (25 mm)	Corrosion Resistant; IP00; IP40			Trip Free	1.299 in (33 mm)	CCC; CSA; KC; UL; VDE	2	60 °C (140 °F)
5SJ4111-7HG42	Siemens	Thermal Circuit Breaker	DIN Rail Mount	400 V	125 V	5 A	Screw And Snap On			10 kA			Handle		4.764 in (121 mm)	0.709 in (18 mm)	IP20; IP40		4.764 x 0.709 x 2.992 in (121 x 18 x 76 mm)	Trip	2.992 in (76 mm)		1
3RV2011-1FA15	Siemens	Thermal Magnetic Circuit Breaker	DIN Rail Mount	690 V		5 A	Screw And Snap On	-20 °C (-4 °F)		4 kA			Rotary Handle		3.819 in (97 mm)	1.772 in (45 mm)	IP20		3.819 x 1.772 x 3.819 in (97 x 45 x 97 mm)	Trip	3.819 in (97 mm)		3	60 °C (140 °F)
BA1-B0-14-450-225-C	Carling Technologies	Magnetic Circuit Breaker	Panel Mount		80 V	5 A	Screw	-40 °C (-40 °F)		7.5 kA			Handle		2 in (50.8 mm)	0.755 in (19.18 mm)	Corrosion/Moisture Resistant			Series Trip	1.73 in (43.94 mm)	CSA; UL	1	85 °C (185 °F)
W33-S4B1Q-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
W57-XB2A99C10-5	TE Connectivity	Thermal Circuit Breaker	Panel Mount	250 V	50 V	5 A	Quick Connect	0 °C (32 °F)		1 kA	4 s		Push To Reset		1.15 in (29.2 mm)	0.575 in (14.6 mm)				Series Trip	0.89 in (22.6 mm)		1	60 °C (140 °F)
CMB-053-27G3N-W-A/05	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)
102083	Eaton Corporation	Thermal Magnetic Circuit Breaker	DIN Rail Mount	277 V	48 V	5 A	Snap On	-25 °C (-13 °F)		15 kA		Rated breaking capacity at 400 VAC					IP20; IP40			Trip		CE; CSA; EN; IEC; UL	1	75 °C (167 °F)
3RV2011-1FA10	Siemens	Thermal Magnetic Circuit Breaker	DIN Rail Mount	690 V		5 A	Snap On	-20 °C (-4 °F)		4 kA		Interrupting current max at 450 VDC: 10000 A	Handle		3.819 in (97 mm)	1.772 in (45 mm)	IP20		3.819 x 1.772 x 3.815 in (97 x 45 x 96.9 mm)	Trip	3.815 in (96.9 mm)	ATEX; CCC; CE; CSA; EAC; IECEX; KC; UL; VDE	3	60 °C (140 °F)
3RV2011-1FA25	Siemens	Thermal Magnetic Circuit Breaker	DIN Rail Mount	690 V		5 A	Snap On	-20 °C (-4 °F)		4 kA		Interrupting current max at 450 VDC: 10000 A	Handle		4.173 in (106 mm)	1.772 in (45 mm)	IP20		4.173 x 1.772 x 3.815 in (106 x 45 x 96.9 mm)	Trip	3.815 in (96.9 mm)	ATEX; CCC; CE; CSA; EAC; IECEX; KC; UL; VDE	3	60 °C (140 °F)
DA2-B0-34-450-121-C	Carling Technologies	Magnetic Circuit Breaker	Panel Mount	250 V		5 A	Screw	-40 °C (-40 °F)		1.5 kA			Toggle Handle		3.612 in (91.75 mm)	1.515 in (38.48 mm)	Moisture Resistant			Series Trip	2.165 in (54.99 mm)	CSA; UL	2	85 °C (185 °F)
1620-3H-5A	E-t-a Elektrotechnische Apparate	Thermal Circuit Breaker	Panel Mount		12 V	5 A	Quick Connect	-40 °C (-40 °F)		150 A			Manual Reset		0.524 in (13.3 mm)	0.276 in (7 mm)	Corrosion Resistant; IP00; IP40			Trip	1.189 in (30.2 mm)		1	85 °C (185 °F)
3RV2011-1FA20	Siemens	Thermal Magnetic Circuit Breaker	DIN Rail Mount	690 V		5 A	Snap On	-20 °C (-4 °F)		4 kA			Handle		4.173 in (106 mm)	1.772 in (45 mm)	IP20		4.173 x 1.772 x 3.815 in (106 x 45 x 96.9 mm)	Trip	3.815 in (96.9 mm)	ATEX; CCC; CE; CSA; EAC; IECEX; UL; VDE	3	60 °C (140 °F)	Instantaneous
5531082	Phoenix Contact	Thermal Magnetic Circuit Breaker	DIN Rail Mount	250 V	80 V	5 A	Snap On	0 °C (32 °F)		1 kA			Push Button		3.15 in (80 mm)	0.492 in (12.5 mm)	Corrosion/Moisture Resistant; IP20; IP40			Tease-Free And Trip-Free	2.697 in (68.5 mm)	CSA; IEC; UL; VDE	1	55 °C (131 °F)	Medium
483-G411-K1M1-A1S0ZN--5A	E-t-a Elektrotechnische Apparate	Thermal Circuit Breaker	Panel Mount	115 V	28 V	5 A	Screw	-55 °C (-67 °F)		2 kA		Rated breaking capacity at 28 VDC: 6000 A	Push-Pull		0.768 in (19.5 mm)	0.559 in (14.2 mm)	IP40; IP00			Tease-Free And Trip-Free	1.22 in (31 mm)		1	125 °C (257 °F)
482-G111-K1M1-A1S1-5A	E-t-a Elektrotechnische Apparate	Thermal Circuit Breaker	Panel Mount	115 V	28 V	5 A	Screw	-55 °C (-67 °F)		5 kA			Push Button		1.22 in (31 mm)	0.709 in (18 mm)	Corrosion/Moisture Resistant; IP00; IP40			Trip Free	1.89 in (48 mm)	BW; CSA; UL	1	75 °C (167 °F)
3120-N321-P7T1-W19DG4-5A	E-t-a Elektrotechnische Apparate	Thermal Circuit Breaker	Panel Mount	240 V	50 V	5 A	Quick Connect	-30 °C (-22 °F)		5 kA		Rated breaking capacity at 50 VDC: 1000 A	Rocker				Corrosion/Moisture Resistant; IP00; IP40			Manual On/Off		CCC; CE; CSA; CQC; KTL; UL; VDE	2	60 °C (140 °F)
1110-F112-P1M1-5A	E-t-a Elektrotechnische Apparate	Thermal Circuit Breaker	Panel Mount	250 V	50 V	5 A	Quick Connect	-20 °C (-4 °F)		40 A		Rated breaking capacity at 50 VDC: 50 A	Push Button		0.748 in (19 mm)	0.748 in (19 mm)	Corrosion Resistant; IP00; IP40; IP64			Tease-Free And Trip-Free	2.008 in (51 mm)	CSA; CUL; EN; UL; VDE	1	60 °C (140 °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.