Panel Mount Circuit Breaker 535

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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	Manufacturer Series	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
CCB25	Littelfuse	Thermal Circuit Breaker	Panel Mount		12 V	25 A	Quick Connect						Automatic Reset								SAE
KD1-20	Eaton Corporation	Magnetic Circuit Breaker	Panel Mount			20 A	Quick Connect						Push Button		0.63 in (16 mm)				Trip	1.409 in (35.8 mm)	CSA, UL
121B20-B2PKA	Eaton Corporation	Thermal Circuit Breaker	Panel Mount		12 V	20 A	Stud	-23 °C (-9.4 °F)					Automatic Reset		1.272 in (32.3 mm)	0.831 in (21.1 mm)	Water Resistant			0.618 in (15.7 mm)	SAE	1	65 °C (149 °F)
123B10-A2PKA	Eaton Corporation	Thermal Circuit Breaker	Panel Mount	115 V	24 V	10 A	Stud	-23 °C (-9.4 °F)					Manual Reset		1.272 in (32.3 mm)	0.831 in (21.1 mm)	Water Resistant			0.618 in (15.7 mm)	SAE	1	65 °C (149 °F)
19220-02M	Eaton Corporation	Thermal Circuit Breaker	Panel Mount		14 V	20 A	Tab/Blade	-40 °C (-40 °F)	300 A				Push To Reset		1.15 in (29.21 mm)	0.36 in (9.14 mm)			Manual Reset/Off	0.92 in (23.37 mm)	SAE	1	85 °C (185 °F)
19450-01M	Eaton Corporation	Thermal Circuit Breaker	Panel Mount		24 V	50 A	Tab/Blade	-40 °C (-40 °F)	750 A				Push To Reset		1.15 in (29.21 mm)	0.36 in (9.14 mm)			Manual Reset/Off	0.92 in (23.37 mm)	SAE	1	85 °C (185 °F)
25120-B-2	Eaton Corporation	Thermal Circuit Breaker	Panel Mount		32 V	20 A	Stud	-40 °C (-40 °F)	2.5 kA				Push Button		2.194 in (55.73 mm)	1.457 in (37 mm)	Fluid Resistant, IP66		Manual On/Off	0.728 in (18.5 mm)	UL	2	85 °C (185 °F)
281556	Eaton Corporation	Thermal Magnetic Circuit Breaker	Panel Mount	440 V		30 A	Screw	-25 °C (-13 °F)	18.5 kA				Rocker Lever		6.512 in (165.4 mm)	3.543 in (90 mm)	IP00; IP10; IP20; IP40; IP66		Trip	2.874 in (73 mm)	CE; IEC; UL	3	70 °C (158 °F)
BAB2080	Eaton Corporation	Thermal Magnetic Circuit Breaker	Panel Mount	240 V		80 A	Screw		10 kA				Toggle Handle	Bulk					Trip		CSA; UL	2
BAB3020H	Eaton Corporation	Thermal Magnetic Circuit Breaker	Panel Mount	240 V		20 A	Screw		10 kA				Toggle Handle	Bulk					Trip		CSA; UL	3
BAB3030H	Eaton Corporation	Thermal Magnetic Circuit Breaker	Panel Mount	240 V		30 A	Screw		10 kA				Toggle Handle	Bulk					Trip		CSA; UL	3
CHF120	Eaton Corporation	Thermal Magnetic Circuit Breaker	Panel Mount	240 V	240 V	20 A			10 kA				Toggle		3 in (76.2 mm)	0.75 in (19.05 mm)			Trip	3 in (76.2 mm)	UL	1
ED3200	Eaton Corporation	Thermal Magnetic Circuit Breaker	Panel Mount	240 V	125 V	200 A			65 kA				Toggle Handle		4.13 in (104.902 mm)	4.13 in (104.902 mm)			Trip	3.38 in (85.852 mm)	UL	3
HFD3015	Eaton Corporation	Thermal Magnetic Circuit Breaker	Panel Mount	600 V	250 V	15 A							Toggle Handle		6 in (152.4 mm)	4.13 in (104.902 mm)			Trip	3.38 in (85.852 mm)	UL	3
KD1-2	Eaton Corporation	Magnetic Circuit Breaker	Panel Mount			2 A	Quick Connect						Push Button		0.63 in (16 mm)				Trip	1.409 in (35.8 mm)	CSA, UL
KD1-4	Eaton Corporation	Magnetic Circuit Breaker	Panel Mount			4 A	Quick Connect						Push Button		0.63 in (16 mm)				Trip	1.409 in (35.8 mm)	CSA, UL
NZMN3-AE400	Eaton Corporation	Thermal Circuit Breaker	Panel Mount	690 V		400 A	Screw	-25 °C (-13 °F)	5 kA				Rocker Lever		10.827 in (275 mm)	5.512 in (140 mm)	Corrosion Resistant; IP20; IP40		Trip	6.535 in (166 mm)	IEC	3	70 °C (158 °F)
QBHW2080	Eaton Corporation	Thermal Magnetic Circuit Breaker	Panel Mount	240 V		80 A	Screw		22 kA				Toggle Handle	Bulk					Trip		CSA; UL	2
1-1393250-9	TE Connectivity	Thermal Circuit Breaker	Panel Mount	250 V	32 V	250 mA	Quick Connect		1 kA		4.5 s		Push To Reset		0.625 in (15.87 mm)	0.54 in (13.71 mm)		0.625 x 0.54 x 1.535 in (15.87 x 13.71 x 38.99 mm)	Series Trip	1.535 in (38.99 mm)	CCC; CSA; UL; VDE	1		400 ms
3-1393250-0	TE Connectivity	Thermal Circuit Breaker	Panel Mount	250 V	32 V	15 A	Quick Connect				2.2 s		Push To Reset						Series Trip			1
3-1393250-8	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)			Series Trip	1.535 in (38.99 mm)		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
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
W54-XA1C4A10-30	TE Connectivity	Thermal Circuit Breaker	Panel Mount	250 V	50 V	30 A	Lug	0 °C (32 °F)	1 kA		5 s		Push To Reset		1.378 in (35 mm)	0.575 in (14.6 mm)			Series Trip	1.22 in (31 mm)		1	60 °C (140 °F)
W54-XB1A4A10-30	TE Connectivity	Thermal Circuit Breaker	Panel Mount	250 V	50 V	30 A	Quick Connect	0 °C (32 °F)	1 kA		5 s		Push To Reset		1.378 in (35 mm)	0.575 in (14.6 mm)			Series Trip	1.22 in (31 mm)		1	60 °C (140 °F)
W54-XB1A4A10-5	TE Connectivity	Thermal Circuit Breaker	Panel Mount	250 V	50 V	5 A	Quick Connect	0 °C (32 °F)	1 kA		5 s		Push To Reset		1.378 in (35 mm)	0.575 in (14.6 mm)			Series Trip	1.22 in (31 mm)		1	60 °C (140 °F)
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)
W58-XC1A4A-16	TE Connectivity	Thermal Circuit Breaker	Panel Mount	250 V	50 V	16 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
W68-X2Q10-10	TE Connectivity	Magnetic Circuit Breaker	Panel Mount	277 V		10 A	Quick Connect	-40 °C (-40 °F)	5 kA		30 ms		Toggle		2 in (50.8 mm)	1.5 in (38.1 mm)			Series Trip	1.64 in (41.66 mm)		2	85 °C (185 °F)
W92-X112-25	TE Connectivity	Magnetic Circuit Breaker	Panel Mount	277 V		25 A	Stud	-40 °C (-40 °F)	5 kA		2.2 s		Toggle		2.5 in (63.5 mm)	1.5 in (38.1 mm)		2.5 x 1.5 x 2.001 in (63.5 x 38.1 x 50.82 mm)	Series Trip	2.001 in (50.82 mm)		2	85 °C (185 °F)
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-X112-15	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)
7277-2-5	Texas Instruments	Thermal Circuit Breaker	Panel Mount			5 A	Screw			7277			Push Button						Trip
3TC2-25	Texas Instruments	Thermal Circuit Breaker	Panel Mount	120 V	28 V	25 A	Screw		2 kA	3TC2		Rated breaking capacity at 28 VDC: 6000 A	Push-Pull		1.094 in (27.79 mm)	0.781 in (19.84 mm)	Corrosion Resistant	1.094 x 0.781 x 1.03 in (27.79 x 19.84 x 26.16 mm)		1.03 in (26.16 mm)
3TC2-20	Texas Instruments	Thermal Circuit Breaker	Panel Mount	120 V	28 V	20 A	Screw		2 kA	3TC2		Rated breaking capacity at 28 VDC: 6000 A	Push-Pull		1.094 in (27.79 mm)	0.781 in (19.84 mm)	Corrosion Resistant	1.094 x 0.781 x 1.03 in (27.79 x 19.84 x 26.16 mm)		1.03 in (26.16 mm)
3TC2-15	Texas Instruments	Thermal Circuit Breaker	Panel Mount	120 V	28 V	15 A	Screw		2 kA	3TC2		Rated breaking capacity at 28 VDC: 6000 A	Push-Pull		1.094 in (27.79 mm)	0.781 in (19.84 mm)	Corrosion Resistant	1.094 x 0.781 x 1.03 in (27.79 x 19.84 x 26.16 mm)		1.03 in (26.16 mm)
7271-3-10	Texas Instruments	Thermal Circuit Breaker	Panel Mount	120 V	30 V	10 A	Screw		3.5 kA	7271		Rated breaking capacity at 30 VDC: 4000 A			1.375 in (34.93 mm)	0.75 in (19.05 mm)		1.375 x 0.75 x 0.844 in (34.93 x 19.05 x 21.44 mm)	Trip	0.844 in (21.44 mm)
7277-2-15	Texas Instruments	Thermal Circuit Breaker	Panel Mount			15 A	Screw			7277			Push Button						Trip
3TC2-30	Texas Instruments	Thermal Circuit Breaker	Panel Mount	120 V	28 V	30 A	Screw		2 kA	3TC2		Rated breaking capacity at 28 VDC: 6000 A	Push-Pull		1.094 in (27.79 mm)	0.781 in (19.84 mm)	Corrosion Resistant	1.094 x 0.781 x 1.03 in (27.79 x 19.84 x 26.16 mm)		1.03 in (26.16 mm)
3TC2-35	Texas Instruments	Thermal Circuit Breaker	Panel Mount	120 V	28 V	35 A	Screw		2 kA	3TC2		Rated breaking capacity at 28 VDC: 6000 A	Push-Pull		1.094 in (27.79 mm)	0.781 in (19.84 mm)	Corrosion Resistant	1.094 x 0.781 x 1.03 in (27.79 x 19.84 x 26.16 mm)		1.03 in (26.16 mm)
7277-2-1	Texas Instruments	Thermal Circuit Breaker	Panel Mount			1 A	Screw			7277			Push Button						Trip
7277-2-2	Texas Instruments	Thermal Circuit Breaker	Panel Mount			2 A	Screw			7277			Push Button						Trip
7274-2-71/2	Texas Instruments	Thermal Circuit Breaker	Panel Mount	120 V	28 V	7.5 A	Screw		500 A	7274		Rated breaking capacity at 28 VDC: 2000 A	Push Button		0.75 in (19.05 mm)	0.562 in (14.27 mm)	Water Resistant	0.75 x 0.562 x 1.115 in (19.05 x 14.27 x 28.32 mm)	Trip	1.115 in (28.32 mm)
7274-2-3	Texas Instruments	Thermal Circuit Breaker	Panel Mount	120 V	28 V	3 A	Screw		800 A	7274			Push Button		0.75 in (19.05 mm)	0.562 in (14.27 mm)	Water Resistant	0.75 x 0.562 x 1.115 in (19.05 x 14.27 x 28.32 mm)	Trip	1.115 in (28.32 mm)
7274-4-3	Texas Instruments	Thermal Circuit Breaker	Panel Mount	120 V	28 V	3 A	Screw		800 A	7274			Push Button		0.75 in (19.05 mm)	0.562 in (14.27 mm)	Water Resistant	0.75 x 0.562 x 1.115 in (19.05 x 14.27 x 28.32 mm)	Trip	1.115 in (28.32 mm)
7277-2-1/2	Texas Instruments	Thermal Circuit Breaker	Panel Mount			500 mA	Screw			7277			Push Button						Trip
7270-1-5	Texas Instruments	Thermal Circuit Breaker	Panel Mount	120 V	30 V	5 A	Screw		3.5 kA	7270		Rated breaking capacity at 30 VDC: 4000 A	Toggle		1.375 in (34.93 mm)	0.75 in (19.05 mm)		1.375 x 0.75 x 0.844 in (34.93 x 19.05 x 21.44 mm)	Trip	0.844 in (21.44 mm)
2TC2-4	Texas Instruments	Thermal Circuit Breaker	Panel Mount	120 V	28 V	4 A	Screw		2.5 kA	2TC2			Push-Pull		0.781 in (19.84 mm)	0.593 in (15.06 mm)	Corrosion Resistant	0.781 x 0.593 x 1.03 in (19.84 x 15.06 x 26.16 mm)		1.03 in (26.16 mm)

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.