4 A Circuit Breaker 16

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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	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
2D4UM	Altech	Thermal Magnetic Circuit Breaker	DIN Rail Mount	277 V	80 V	4 A	Screw And Snap On	-25 °C (-13 °F)	10 kA			Handle	Bulk	3.516 in (89.3 mm)	1.378 in (35 mm)	IP20		Under Voltage Release	2.693 in (68.4 mm)	CSA; UL; VDE	2	55 °C (131 °F)
2DU4L	Altech	Thermal Magnetic Circuit Breaker	DIN Rail Mount	480 V		4 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)
2D4UL	Altech	Thermal Magnetic Circuit Breaker	DIN Rail Mount	480 V		4 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)
AA1-B0-26-440-2B1-C	Carling Technologies	Magnetic Circuit Breaker	Panel Mount	277 V		4 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)
5SY4104-7	Siemens	Thermal Circuit Breaker	DIN Rail Mount	400 V		4 A	Snap On	-25 °C (-13 °F)	5 kA	5SY4104-7	Environmental Characteristics: IP20; Sealed			3.535 in (89.8 mm)	0.693 in (17.6 mm)	Environment/Moisture Resistant	3.535 x 0.693 x 2.764 in (89.8 x 17.6 x 70.2 mm)	Trip	2.764 in (70.2 mm)	CCC; CE; EAC; GOST; IMQ; KTL; UL; VDE	1	55 °C (131 °F)
3-101-228	Schurter Ag	Thermal Circuit Breaker	Through Hole Mount	240 V	48 V	4 A	Solder	-5 °C (23 °F)	2 kA			Reset Type	Bulk	0.748 in (19 mm)	0.575 in (14.6 mm)	IP40		Trip Free	1.421 in (36.1 mm)	CCC; CSA; GB; IEC; UL; VDE	1	60 °C (140 °F)
60139	Schneider Electric Sa	Thermal Magnetic Circuit Breaker	DIN Rail Mount	440 V	125 V	4 A	Snap On	-30 °C (-22 °F)	6 kA		Rated breaking capacity at 125 VDC: 10000 A, Environmental Characteristics: IP40	Toggle		2.874 in (73 mm)	1.417 in (36 mm)	Environment/Moisture Resistant; IP20	2.874 x 1.417 x 4.213 in (73 x 36 x 107 mm)	Trip	4.213 in (107 mm)	CCC; CSA; GB; IEC; UL	2	70 °C (158 °F)
102082	Eaton Corporation	Thermal Magnetic Circuit Breaker	DIN Rail Mount	277 V	48 V	4 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)
3RV2011-1EA10	Siemens	Thermal Magnetic Circuit Breaker	DIN Rail Mount	690 V		4 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)
3RV2011-1EA20	Siemens	Thermal Magnetic Circuit Breaker	DIN Rail Mount	690 V		4 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
5SY4204-8	Siemens	Thermal Magnetic Circuit Breaker	DIN Rail Mount	400 V		4 A	Snap On		10 kA					3.535 in (89.8 mm)	1.386 in (35.2 mm)	IP20	3.535 x 1.386 x 2.992 in (89.8 x 35.2 x 76 mm)	Trip	2.992 in (76 mm)	CCC; CE; IMQ; RCM; UL; VDE	2
5SY4204-7	Siemens	Thermal Magnetic Circuit Breaker	DIN Rail Mount	400 V		4 A	Snap On		10 kA					3.535 in (89.8 mm)	1.386 in (35.2 mm)	IP20	3.535 x 1.386 x 2.992 in (89.8 x 35.2 x 76 mm)	Trip	2.992 in (76 mm)	CCC; CE; IMQ; KC; RCM; UL; VDE	2
J7MC-3R-4	Omron	Thermal Magnetic Circuit Breaker	DIN Rail Mount	440 V		4 A	Screw	-20 °C (-4 °F)	100 kA			Rotary Knob		5.118 in (130 mm)	1.772 in (45 mm)	IP20		Manual On/Off	3.728 in (94.7 mm)	CCC; CE; CUL; IEC; PSE; TUV; UL	3	60 °C (140 °F)
J7MC-3P-4	Omron	Thermal Magnetic Circuit Breaker	DIN Rail Mount	440 V		4 A	Screw	-20 °C (-4 °F)	100 kA			Rocker		5.118 in (130 mm)	1.772 in (45 mm)	IP20		Trip	2.941 in (74.7 mm)	CCC; CE; CUL; IEC; PSE; TUV; UL	3	60 °C (140 °F)
GV2P08	Schneider Electric Sa	Thermal Magnetic Circuit Breaker	DIN Rail And Panel Mount	690 V		4 A	Screw And Snap On	-20 °C (-4 °F)	8 kA			Rotary Handle	Bulk	3.504 in (89 mm)	1.772 in (45 mm)	IK04; IP20		Trip	3.819 in (97 mm)	ATEX; BV; CCC; CSA; DNV-GL; EAC; EN; IEC; LROS; RINA; UL	3	60 °C (140 °F)
1019997	Phoenix Contact	Thermal Magnetic Circuit Breaker	DIN Rail Mount	277 V	125 V	4 A	Screw	-35 °C (-31 °F)	5 kA			Handle	Bulk	3.205 in (81.4 mm)	1.39 in (35.3 mm)	IP20		Trip	2.587 in (65.7 mm)	CUL; TUV; UL	2	70 °C (158 °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.