24 V Circuit Breaker 20

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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	Actuator Type	Packing Method	Body Length/Diameter	Body Width	Environmental Characteristics	Circuit Function	Body Height	Reference Standard	No. of Poles	Maximum Operating Temperature	Blow Characteristic
1610-21-5A	E-t-a Elektrotechnische Apparate	Thermal Circuit Breaker	Inline/Holder		24 V	5 A	Tab/Blade	-40 °C (-40 °F)	150 A		Push To Reset		0.787 in (20 mm)	0.236 in (6 mm)	Corrosion/Moisture Resistant; IP00; IP30	Trip Free	0.945 in (24 mm)	UL	1	85 °C (185 °F)
0903041	Phoenix Contact	Magnetic Circuit Breaker	DIN Rail Mount		24 V	500 mA	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)
ESX10-103-DC24V-3A-E	E-t-a Elektrotechnische Apparate	Equipment Leakage Circuit Breaker	Panel Mount		24 V	3 A	Quick Connect	0 °C (32 °F)			Manual On/Off		2.362 in (60 mm)	0.484 in (12.3 mm)	Moisture Resistant; IP00; IP30	Trip	2.756 in (70 mm)	CSA; CUL; DNVGL; UL	1	50 °C (122 °F)
ESX10-TB-101-DC24V-3A-E	E-t-a Elektrotechnische Apparate	Equipment Leakage Circuit Breaker	DIN Rail Mount		24 V	3 A	Snap On	-25 °C (-13 °F)			Reset Button		3.15 in (80 mm)	0.492 in (12.5 mm)	IP20	Trip	3.268 in (83 mm)	ATEX; CSA; CUL; DNV; IEC; TUV; UKCA; UL	1	60 °C (140 °F)
19330-01M	Eaton Corporation	Thermal Circuit Breaker	Panel Mount		24 V	30 A	Tab/Blade	-40 °C (-40 °F)	450 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)
0903046	Phoenix Contact	Magnetic Circuit Breaker	DIN Rail Mount		24 V	6 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)
123A10-A5PKB	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)
19525-01M	Eaton Corporation	Thermal Circuit Breaker	Panel Mount		24 V	25 A	Tab/Blade	-40 °C (-40 °F)	450 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)
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)
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)
0903044	Phoenix Contact	Magnetic Circuit Breaker	DIN Rail Mount		24 V	3 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)
0903042	Phoenix Contact	Magnetic Circuit Breaker	DIN Rail Mount		24 V	1 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)
2800907	Phoenix Contact	Thermal Circuit Breaker	DIN Rail Mount		24 V	10 A	Snap On	-25 °C (-13 °F)			Manual On/Off	Bulk	3.543 in (90 mm)	0.484 in (12.3 mm)	IP30	Trip	3.043 in (77.3 mm)	CE; CUL; DNVGL; EN; UL	1	50 °C (122 °F)
0903034	Phoenix Contact	Magnetic Circuit Breaker	DIN Rail Mount		24 V	3 A	Screw	0 °C (32 °F)		100 ms		Bulk	3.15 in (80 mm)	0.492 in (12.5 mm)	Moisture Resistant; IP20		3.15 in (80 mm)	CE; UL	1	50 °C (122 °F)	Fast
0903047	Phoenix Contact	Magnetic Circuit Breaker	DIN Rail Mount		24 V	8 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)
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)
0903048	Phoenix Contact	Magnetic Circuit Breaker	DIN Rail Mount		24 V	10 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)
0903045	Phoenix Contact	Magnetic Circuit Breaker	DIN Rail Mount		24 V	4 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)
0903043	Phoenix Contact	Magnetic Circuit Breaker	DIN Rail Mount		24 V	2 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)
0903036	Phoenix Contact	Magnetic Circuit Breaker	DIN Rail Mount		24 V	6 A	Screw	0 °C (32 °F)		100 ms		Bulk	3.15 in (80 mm)	0.492 in (12.5 mm)	Moisture Resistant; IP20		3.15 in (80 mm)	CE; UL	1	50 °C (122 °F)	Fast

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.