TE Connectivity Circuit Breaker 110

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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	Body Length/Diameter	Body Width	Environmental Characteristics	Dimensions	Circuit Function	Body Height	Reference Standard	No. of Poles	Maximum Operating Temperature	Blow Characteristic
W28-XQ1A-3	TE Connectivity	Thermal Circuit Breaker	Panel Mount	250 V	32 V	3 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-XQ1A-15	TE Connectivity	Thermal Circuit Breaker	Panel Mount	250 V	32 V	15 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
W28XQ1A15	TE Connectivity	Thermal Circuit Breaker	Panel Mount	250 V	32 V	15 A	Quick Connect			2.2 s		Push To Reset					Series Trip			1
W28-XQ1A15	TE Connectivity	Thermal Circuit Breaker	Panel Mount	250 V	32 V	15 A	Quick Connect			2.2 s		Push To Reset					Series Trip			1
W28-XQ1A-2	TE Connectivity	Thermal Circuit Breaker	Panel Mount	250 V	32 V	2 A	Quick Connect		1 kA	4.5 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
1423901-6	TE Connectivity	Thermal Circuit Breaker
W28-XQ1A-10	TE Connectivity	Thermal Circuit Breaker	Panel Mount	250 V	32 V	10 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-XQ1A10	TE Connectivity	Thermal Circuit Breaker	Panel Mount	250 V	32 V	10 A	Quick Connect			2.2 s		Push To Reset					Series Trip			1
W28XQ1A10	TE Connectivity	Thermal Circuit Breaker	Panel Mount	250 V	32 V	10 A	Quick Connect			2.2 s		Push To Reset					Series Trip			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
W28-XQ1A-1	TE Connectivity	Thermal Circuit Breaker	Panel Mount	250 V	32 V	1 A	Quick Connect		1 kA	4.5 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
W67-X2Q12-20	TE Connectivity	Magnetic Circuit Breaker	Panel Mount	277 V		20 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
W67-X2Q1220	TE Connectivity	Magnetic Circuit Breaker	Panel Mount			20 A	Quick Connect			2.2 s		Toggle					Series Trip			1
W58-XB1A4A-20	TE Connectivity	Thermal Circuit Breaker	Panel Mount	250 V	50 V	20 A	Quick Connect		1 kA	6 s	Rated breaking capacity at 50 VDC: 2000 A	Push To Reset				1.375 x 0.66 x 1.375 in (34.93 x 16.76 x 34.93 mm)	Series Trip			1
W58-XB1A4A-15	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	1.375 in (34.93 mm)		1
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
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
W28-XQ1A-6	TE Connectivity	Thermal Circuit Breaker	Panel Mount	250 V	32 V	6 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
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
W28-XQ1A-8	TE Connectivity	Thermal Circuit Breaker	Panel Mount	250 V	32 V	8 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-XQ1A-20	TE Connectivity	Thermal Circuit Breaker	Panel Mount	250 V	32 V	20 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; SEV; UL; VDE	1
W28-XQ1A20	TE Connectivity	Thermal Circuit Breaker	Panel Mount	250 V	32 V	20 A	Quick Connect			2.2 s		Push To Reset					Series Trip			1
W28XQ1A20	TE Connectivity	Thermal Circuit Breaker	Panel Mount	250 V	32 V	20 A	Quick Connect			2.2 s		Push To Reset					Series Trip			1
1393255-8	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)	2.25 in (57.15 mm)			Series Trip	1.845 in (46.86 mm)		3	85 °C (185 °F)
W68-X2Q12-20	TE Connectivity	Magnetic Circuit Breaker	Panel Mount	277 V		20 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
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
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
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
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
W28-XQ1A-5	TE Connectivity	Thermal Circuit Breaker	Panel Mount	250 V	32 V	5 A	Quick Connect		1 kA	2.2 s		Push To Reset	0.76 in (19.31 mm)	0.76 in (19.31 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
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
W58-XB1A4A-5	TE Connectivity	Thermal Circuit Breaker	Panel Mount	250 V	50 V	5 A	Quick Connect		1 kA	6 s	Rated breaking capacity at 50 VDC: 2000 A	Push To Reset				1.375 x 0.66 x 1.375 in (34.93 x 16.76 x 34.93 mm)	Series Trip			1
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
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
W67-X2Q1215	TE Connectivity	Magnetic Circuit Breaker	Panel Mount			15 A	Quick Connect			2.2 s		Toggle					Series Trip			1
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)
W91-X11230	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)
W57-XB7A4A10-15	TE Connectivity	Thermal Circuit Breaker	Panel Mount	250 V	50 V	15 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)
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
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
W68X-2Q12-15	TE Connectivity	Magnetic Circuit Breaker	Panel Mount	277 V		15 A	Quick Connect			2.2 s		Toggle					Series Trip			2
W33-T4B1Q-10	TE Connectivity	Thermal Circuit Breaker	Panel Mount	250 V	50 V	10 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
W28-XQ1A-0.50	TE Connectivity	Thermal Circuit Breaker	Panel Mount	250 V	32 V	500 mA	Quick Connect		1 kA	4.5 s		Push To Reset	0.76 in (19.31 mm)	0.76 in (19.31 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
W58-XC4C12A-15	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
W92-X112-3	TE Connectivity	Magnetic Circuit Breaker	Panel Mount	277 V		3 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)
W33-T2N1Q-20	TE Connectivity	Thermal Circuit Breaker	Panel Mount	250 V	50 V	20 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

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.