15 A Circuit Breaker 39

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Part	Manufacturer	Circuit Protection Type	Mounting Feature	Rated AC Voltage	Rated DC Voltage	Rated Current	Terminal Shape	Minimum Operating Temperature	Rated Breaking Capacity	Trip Time/Delay	Additional Features	Actuator Type	Packing Method	Body Length/Diameter	Body Width	Environmental Characteristics	Dimensions	Circuit Function	Body Height	Reference Standard	No. of Poles	Maximum Operating Temperature	Blow Characteristic
W68-X2Q12-15	TE Connectivity	Magnetic Circuit Breaker	Panel Mount	277 V		15 A	Quick Connect		5 kA	2.2 s		Toggle					50.8mm X 38.1mm X 51.89mm	Series Trip			2
W67-X2Q12-15	TE Connectivity	Magnetic Circuit Breaker	Panel Mount	277 V		15 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
3C15UR	Altech	Thermal Magnetic Circuit Breaker	DIN Rail Mount	480 V		15 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)
2DU15L	Altech	Thermal Magnetic Circuit Breaker	DIN Rail Mount	480 V		15 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)
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
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)
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)
CA2-B0-34-615-121-E	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)
CA2-B0-34-615-121-I	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)
AA1-B0-34-615-331-C	Carling Technologies	Magnetic Circuit Breaker	Panel Mount	277 V	80 V	15 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-B0-34-615-3B1-C	Carling Technologies	Magnetic Circuit Breaker	Panel Mount	277 V	80 V	15 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-B0-34-615-3B1-I	Carling Technologies	Magnetic Circuit Breaker	Panel Mount	277 V	80 V	15 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-B0-34-615-3D1-C	Carling Technologies	Magnetic Circuit Breaker	Panel Mount	277 V	80 V	15 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-B0-34-615-3G2-C	Carling Technologies	Magnetic Circuit Breaker	Panel Mount	277 V	80 V	15 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)
AM1-B0-14-615-901-C	Carling Technologies	Magnetic Circuit Breaker	Panel Mount		80 V	15 A	Screw	-40 °C (-40 °F)	7.5 kA		Standards: MIL-PRF-55629, MIL-STD-202	Toggle		2 in (50.8 mm)	0.74 in (18.8 mm)	Corrosion/Moisture Resistant		Series Trip	1.817 in (46.15 mm)	CSA; UL	1	85 °C (185 °F)
1620-2-15A	E-t-a Elektrotechnische Apparate	Thermal Circuit Breaker	Panel Mount		12 V	15 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)
1620-3-15A	E-t-a Elektrotechnische Apparate	Thermal Circuit Breaker	Panel Mount		12 V	15 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)
1658-G21-01-P13-15A	E-t-a Elektrotechnische Apparate	Thermal Circuit Breaker	Panel Mount	240 V	28 V	15 A	Quick Connect	-20 °C (-4 °F)	1 kA			Push To Reset	Bulk	1.26 in (32 mm)	0.535 in (13.6 mm)	Corrosion/Moisture Resistant; IP00; IP40		Trip Free	1.063 in (27 mm)	CSA; CUL; UL	1	60 °C (140 °F)
4230-T130-K0CE-15A	E-t-a Elektrotechnische Apparate	Thermal Magnetic Circuit Breaker	DIN Rail Mount	480 V		15 A	Snap On	-35 °C (-31 °F)	5 kA			Toggle Handle		3.228 in (82 mm)	2.083 in (52.9 mm)	Corrosion Resistant; IP20		Trip Free	2.37 in (60.2 mm)	UL; TUV	3	70 °C (158 °F)
CA2-B0-34-615-121-R	Carling Technologies	Magnetic Circuit Breaker	Panel Mount	250 V	80 V	15 A	Stud	-40 °C (-40 °F)	5 kA			Handle		2.5 in (63.5 mm)	1.515 in (38.48 mm)	Corrosion/Moisture Resistant		Series Trip	1.85 in (47 mm)	CSA; TUV; UL	2	85 °C (185 °F)
AN1-B0-20-615-113-D	Carling Technologies	Magnetic Circuit Breaker	Panel Mount	250 V		15 A	Quick Connect	-40 °C (-40 °F)	1 kA		Standards: MIL-PRF-55629, MIL-STD-202	Push To Reset		2.156 in (54.76 mm)	0.745 in (18.92 mm)	Corrosion/Moisture Resistant		Series Trip	1.64 in (41.66 mm)	CSA; UL; VDE	1	85 °C (185 °F)
MS2-B-20-615-1-1CB-A-0DC	Carling Technologies	Magnetic Circuit Breaker	Panel Mount	240 V		15 A	Quick Connect	-40 °C (-40 °F)	2 kA			Sealed Toggle		1.375 in (34.93 mm)	1.3 in (33.02 mm)	Moisture Resistant; IP68;		Series Trip	2.158 in (54.81 mm)	CUL; UL	2	85 °C (185 °F)
GA1-B0-20-615-11-DC	Carling Technologies	Magnetic Circuit Breaker	DIN Rail Mount	240 V		15 A	Snap On	-40 °C (-40 °F)	3 kA			Handle		3.625 in (92.08 mm)	0.688 in (17.48 mm)	Corrosion/Moisture Resistant		Series Trip	2.62 in (66.55 mm)	CSA, UL	1	85 °C (185 °F)
3120-N311-P7T1-W02D-15A	E-t-a Elektrotechnische Apparate	Thermal Circuit Breaker	Panel Mount	240 V	50 V	15 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-W02D-15A	E-t-a Elektrotechnische Apparate	Thermal Circuit Breaker	Panel Mount	240 V	50 V	15 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)
3120-N323-P7T1-W01D-15A	E-t-a Elektrotechnische Apparate	Thermal Circuit Breaker	Panel Mount	240 V	50 V	15 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)
209-1-1-62-4-9-15-V	Sensata Technologies	Magnetic Circuit Breaker	Panel Mount	240 V		15 A	Stud		5 kA			Toggle		5.125 in (130.18 mm)	1.026 in (26.06 mm)	Moisture Resistant		Trip Free	3.55 in (90.17 mm)	CSA; CUL; UL; VDE	1
4-1393249-1	TE Connectivity	Thermal Circuit Breaker	Panel Mount	250 V	50 V	15 A	Quick Connect		1 kA	6 s		Push To Reset		1.375 in (34.93 mm)	0.66 in (16.76 mm)			Series Trip	1.494 in (37.96 mm)		1
W91-X113-15	TE Connectivity	Magnetic Circuit Breaker	Panel Mount	277 V		15 A	Stud	-40 °C (-40 °F)	5 kA	150 ms		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)
W93-X112-15	TE Connectivity	Magnetic Circuit Breaker	Panel Mount	277 V		15 A	Stud	-40 °C (-40 °F)	5 kA	2.2 s		Toggle		2.5 in (63.5 mm)	2.25 in (57.15 mm)			Series Trip	1.845 in (46.86 mm)		3	85 °C (185 °F)
CTB-B-B-15	Carling Technologies	Thermal Circuit Breaker	Panel Mount	250 V	50 V	15 A	Quick Connect		1 kA			Rocker		0.76 in (19.31 mm)	0.76 in (19.31 mm)			Series Trip	1.535 in (38.99 mm)	CE; CUL; UL; VDE	1
CA3-B0-20-615-121-C	Carling Technologies	Magnetic Circuit Breaker	Panel Mount	250 V		15 A	Stud	-40 °C (-40 °F)	3 kA			Handle		2.5 in (63.5 mm)	2.265 in (57.53 mm)	Corrosion/Moisture Resistant		Series Trip	1.85 in (47 mm)	CSA, UL	3	85 °C (185 °F)
CB4-B0-24-615-1C1-D	Carling Technologies	Magnetic Circuit Breaker	Panel Mount	250 V		15 A	Stud	-40 °C (-40 °F)	3 kA			Handle		2.5 in (63.5 mm)	3.015 in (76.58 mm)	Corrosion/Moisture Resistant		Series Trip	1.85 in (47 mm)	CSA, UL, VDE	4	85 °C (185 °F)
5SJ4218-7HG41	Siemens	Thermal Circuit Breaker	DIN Rail Mount	400 V		15 A	Snap On	-25 °C (-13 °F)	14 kA		Environmental Characteristics: Sealed			4.283 in (108.8 mm)	1.386 in (35.2 mm)	Environment Resistant; IP20; IP40	4.283 x 1.386 x 3.031 in (108.8 x 35.2 x 77 mm)	Trip	3.031 in (77 mm)	CCC; CE; UL; VDE	2	55 °C (131 °F)
CA1-B0-34-615-121-D	Carling Technologies	Magnetic Circuit Breaker	Panel Mount	250 V	80 V	15 A	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)
CA2-B0-34-615-121-D	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)
DA3-B0-20-615-121-C	Carling Technologies	Magnetic Circuit Breaker	Panel Mount	277 V		15 A	Screw	-40 °C (-40 °F)	5 kA			Toggle Handle		3.612 in (91.75 mm)	2.265 in (57.53 mm)	Moisture Resistant		Series Trip	2.165 in (54.99 mm)	CSA; UL	3	85 °C (185 °F)
3120-N321-P7T1-W19DG4-15A	E-t-a Elektrotechnische Apparate	Thermal Circuit Breaker	Panel Mount	240 V	50 V	15 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)

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.