12 A Circuit Breaker 10

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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
W28-XQ1A-12	TE Connectivity	Thermal Circuit Breaker	Panel Mount	250 V	32 V	12 A	Quick Connect		1 kA	2.2 s		Push To Reset		0.625 in (15.88 mm)	0.54 in (13.72 mm)		0.625 x 0.54 x 1.535 in (15.88 x 13.72 x 38.99 mm)	Series Trip	1.535 in (38.99 mm)	CSA; UL; VDE	1
W28-XQ1A12	TE Connectivity	Thermal Circuit Breaker	Panel Mount	250 V	32 V	12 A	Quick Connect			2.2 s		Push To Reset						Series Trip			1
W28XQ1A12	TE Connectivity	Thermal Circuit Breaker	Panel Mount	250 V	32 V	12 A	Quick Connect			2.2 s		Push To Reset						Series Trip			1
W58-XB1A4A-12	TE Connectivity	Thermal Circuit Breaker	Panel Mount	250 V	50 V	12 A	Quick Connect		1 kA	6 s		Push To Reset		1.375 in (34.93 mm)	0.66 in (16.76 mm)			Series Trip	1.375 in (34.93 mm)		1
CMB-123-11C3N-B-A	Carling Technologies	Thermal Circuit Breaker	Panel Mount	250 V	32 V	12 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)
AP12-1-52-123	Sensata Technologies	Magnetic Circuit Breaker	Panel Mount	240 V	50 V	12 A	Solder Hook	-40 °C (-40 °F)	1 kA			Toggle Handle		1.562 in (39.67 mm)	1.281 in (32.53 mm)	Sealed		Series Trip	1.78 in (45.21 mm)	UL	2	100 °C (212 °F)
TMC1M110012,0A	Phoenix Contact	Thermal Magnetic Circuit Breaker	DIN Rail Mount	250 V	65 V	12 A	Snap On	-30 °C (-22 °F)	800 A		Rated breaking capacity at 32 VDC: 2500 A			3.78 in (96 mm)	0.492 in (12.5 mm)	IP20; IP30	3.78 x 0.492 x 3.248 in (96 x 12.5 x 82.5 mm)		3.248 in (82.5 mm)	CSA; EAC; EN; UL; VDE	1	60 °C (140 °F)
0903049	Phoenix Contact	Magnetic Circuit Breaker	DIN Rail Mount		24 V	12 A	Screw	0 °C (32 °F)					Bulk	3.15 in (80 mm)	0.492 in (12.5 mm)	IP20			3.268 in (83 mm)	CE, UL		50 °C (122 °F)
0903039	Phoenix Contact	Magnetic Circuit Breaker	DIN Rail Mount			12 A	Screw	0 °C (32 °F)					Bulk	3.15 in (80 mm)	0.492 in (12.5 mm)	IP20			3.268 in (83 mm)	CE, UL		50 °C (122 °F)
0903031	Phoenix Contact	Magnetic Circuit Breaker	DIN Rail Mount			12 A	Screw	0 °C (32 °F)					Bulk	3.15 in (80 mm)	0.492 in (12.5 mm)	IP20			3.268 in (83 mm)	CE, UL		50 °C (122 °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.