Part | RoHS | Manufacturer | Circuit Protection Type | Mounting Feature | Rated AC Voltage | Rated DC Voltage | Rated Current | Terminal Shape | Minimum Operating Temperature | Terminal Finish | Rated Breaking Capacity | Manufacturer Series | Trip Time/Delay | Additional Features | Actuator Type | Packing Method | Body Length/Diameter | Body Width | Environmental Characteristics | JESD-609 Code | Dimensions | Circuit Function | Body Height | Reference Standard | No. of Poles | Maximum Operating Temperature | Blow Characteristic |
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
Abb |
Thermal Magnetic Circuit Breaker |
DIN Rail Mount |
480 V |
125 V |
10 A |
Screw |
-25 °C (-13 °F) |
6 kA |
IP40 in enclosure with cover |
Toggle Handle |
Bulk |
3.465 in (88 mm) |
1.378 in (35 mm) |
IP20 |
Trip |
2.717 in (69 mm) |
CSA, EN/IEC, UL |
2 |
55 °C (131 °F) |
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Carling Technologies |
Magnetic Circuit Breaker |
Panel Mount |
125 V |
3 A |
Screw |
-40 °C (-40 °F) |
Handle |
2.5 in (63.5 mm) |
0.755 in (19.18 mm) |
Corrosion/Moisture Resistant |
Series Trip |
1.85 in (47 mm) |
1 |
85 °C (185 °F) |
|||||||||||||
|
Eaton Corporation |
Equipment Leakage Circuit Breaker |
Panel Mount |
600 V |
125 V |
30 A |
200 kA |
Toggle Handle |
3.1 in (78.74 mm) |
1.4 in (35.56 mm) |
Manual On/Off |
3.9 in (99.06 mm) |
UL |
2 |
|||||||||||||
|
Schneider Electric Sa |
Thermal Magnetic Circuit Breaker |
DIN Rail Mount |
440 V |
125 V |
5 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; EN; GB; IEC; UL |
2 |
70 °C (158 °F) |
|||||||
|
Eaton Corporation |
Thermal Magnetic Circuit Breaker |
DIN Rail Mount |
125 V |
5 A |
Snap On |
-25 °C (-13 °F) |
10 kA |
Toggle |
Bulk |
4.134 in (105 mm) |
0.697 in (17.7 mm) |
Trip Free |
1.772 in (45 mm) |
CSA; UL |
1 |
75 °C (167 °F) |
||||||||||
|
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) |
|||||||
|
Schneider Electric Sa |
Thermal Magnetic Circuit Breaker |
DIN Rail Mount |
440 V |
125 V |
3 A |
Snap On |
-30 °C (-22 °F) |
6 kA |
Interrupting current max(DC): 10000 A |
Toggle |
2.874 in (73 mm) |
1.417 in (36 mm) |
IP20; IP40 |
2.874 x 1.417 x 4.213 in (73 x 36 x 107 mm) |
Trip |
4.213 in (107 mm) |
CCC; CSA; EN/IEC; GB; UL |
2 |
70 °C (158 °F) |
|||||||
|
Siemens |
Thermal Circuit Breaker |
DIN Rail Mount |
400 V |
125 V |
5 A |
Screw And Snap On |
10 kA |
Handle |
4.764 in (121 mm) |
0.709 in (18 mm) |
IP20; IP40 |
4.764 x 0.709 x 2.992 in (121 x 18 x 76 mm) |
Trip |
2.992 in (76 mm) |
1 |
|||||||||||
|
Eaton Corporation |
Equipment Leakage Circuit Breaker |
600 V |
125 V |
60 A |
200 kA |
Toggle Handle |
3 in (76.2 mm) |
3 in (76.2 mm) |
4.5 in (114.3 mm) |
UL |
3 |
|||||||||||||||
|
Phoenix Contact |
Thermal Magnetic Circuit Breaker |
DIN Rail Mount |
277 V |
125 V |
10 A |
Snap On |
-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) |
||||||||
E-t-a Elektrotechnische Apparate |
Thermal Magnetic Circuit Breaker |
DIN Rail Mount |
480 V |
125 V |
5 A |
Snap On |
-35 °C (-31 °F) |
5 kA |
Toggle Handle |
3.228 in (82 mm) |
1.39 in (35.3 mm) |
Corrosion Resistant; IP20 |
Trip Free |
2.37 in (60.2 mm) |
UL; TUV |
2 |
70 °C (158 °F) |
||||||||||
|
Carling Technologies |
Magnetic Circuit Breaker |
Panel Mount |
125 V |
700 A |
Screw |
-40 °C (-40 °F) |
50 kA |
Handle |
7.125 in (180.98 mm) |
4.5 in (114.3 mm) |
Corrosion/Moisture Resistant |
Series Trip |
2.968 in (75.38 mm) |
UL |
3 |
85 °C (185 °F) |
||||||||||
|
Eaton Corporation |
Thermal Magnetic Circuit Breaker |
DIN Rail Mount |
125 V |
10 A |
Snap On |
-25 °C (-13 °F) |
10 kA |
Toggle |
Bulk |
4.134 in (105 mm) |
0.697 in (17.7 mm) |
Trip Free |
1.772 in (45 mm) |
CSA; UL |
1 |
75 °C (167 °F) |
||||||||||
|
Sensata Technologies |
Magnetic Circuit Breaker |
Panel Mount |
125 V |
10 A |
Screw |
5 kA |
Toggle |
2.49 in (63.24 mm) |
0.75 in (19.05 mm) |
Corrosion/Moisture Resistant |
Trip Free |
1.859 in (47.22 mm) |
CCC; VDE |
1 |
||||||||||||
|
Sensata Technologies |
Magnetic Circuit Breaker |
Panel Mount |
125 V |
10 A |
Screw |
5 kA |
Toggle |
2.49 in (63.24 mm) |
0.75 in (19.05 mm) |
Corrosion/Moisture Resistant |
Trip Free |
1.859 in (47.22 mm) |
CCC; VDE |
1 |
||||||||||||
|
Siemens |
Thermal Circuit Breaker |
DIN Rail Mount |
400 V |
125 V |
20 A |
Screw And Snap On |
14 kA |
Handle |
3.543 in (90 mm) |
2.126 in (54 mm) |
IP20; IP40 |
3.543 x 2.126 x 2.992 in (90 x 54 x 76 mm) |
Trip |
2.992 in (76 mm) |
3 |
|||||||||||
Carling Technologies |
Magnetic Circuit Breaker |
Panel Mount |
125 V |
10 A |
Stud |
-40 °C (-40 °F) |
5 kA |
Handle |
2.5 in (63.5 mm) |
0.755 in (19.18 mm) |
Corrosion/Moisture Resistant |
Series Trip |
1.85 in (47 mm) |
CSA; UL |
1 |
85 °C (185 °F) |
|||||||||||
Carling Technologies |
Magnetic Circuit Breaker |
Panel Mount |
125 V |
70 A |
Stud |
-40 °C (-40 °F) |
5 kA |
Handle |
5.78 in (146.81 mm) |
1.026 in (26.06 mm) |
Corrosion/Moisture Resistant |
Series Trip |
2.61 in (66.3 mm) |
CSA; UL |
1 |
85 °C (185 °F) |
|||||||||||
|
Carling Technologies |
Magnetic Circuit Breaker |
Panel Mount |
125 V |
70 A |
Stud |
-40 °C (-40 °F) |
5 kA |
Handle |
5.78 in (146.81 mm) |
1.026 in (26.06 mm) |
Corrosion/Moisture Resistant |
Series Trip |
2.61 in (66.3 mm) |
CSA; UL |
1 |
85 °C (185 °F) |
||||||||||
|
Carling Technologies |
Magnetic Circuit Breaker |
Panel Mount |
125 V |
70 A |
Stud |
-40 °C (-40 °F) |
5 kA |
Handle |
5.78 in (146.81 mm) |
1.026 in (26.06 mm) |
Corrosion/Moisture Resistant |
Series Trip |
2.61 in (66.3 mm) |
CSA; UL; VDE |
1 |
85 °C (185 °F) |
||||||||||
Eaton Corporation |
Equipment Leakage Circuit Breaker |
DIN Rail Mount |
600 V |
125 V |
30 A |
Snap On |
200 kA |
Toggle Handle |
3.7 in (93.98 mm) |
0.3 in (7.62 mm) |
1.9 in (48.26 mm) |
UL |
2 |
||||||||||||||
Eaton Corporation |
Equipment Leakage Circuit Breaker |
DIN Rail Mount |
600 V |
125 V |
30 A |
Snap On |
200 kA |
Toggle Handle |
3.7 in (93.98 mm) |
0.3 in (7.62 mm) |
Manual On/Off |
1.9 in (48.26 mm) |
2 |
||||||||||||||
|
Schneider Electric Sa |
Thermal Magnetic Circuit Breaker |
DIN Rail Mount |
440 V |
125 V |
20 A |
Snap On |
-30 °C (-22 °F) |
5 kA |
Toggle |
Bulk |
3.189 in (81 mm) |
1.417 in (36 mm) |
IP20; IP40 |
Trip |
2.874 in (73 mm) |
CCC; CSA; IEC; UL |
2 |
70 °C (158 °F) |
||||||||
|
Eaton Corporation |
Equipment Leakage Circuit Breaker |
Panel Mount |
600 V |
125 V |
100 A |
Toggle Handle |
3.6 in (91.44 mm) |
2 in (50.8 mm) |
Manual On/Off |
5.8 in (147.32 mm) |
UL |
2 |
||||||||||||||
|
Eaton Corporation |
Thermal Circuit Breaker |
Panel Mount |
600 V |
125 V |
100 A |
Toggle Handle |
3.6 in (91.44 mm) |
3 in (76.2 mm) |
Manual On/Off |
5.8 in (147.32 mm) |
UL |
3 |
||||||||||||||
|
Phoenix Contact |
Thermal Magnetic Circuit Breaker |
DIN Rail Mount |
277 V |
125 V |
10 A |
Screw And Snap On |
-35 °C (-31 °F) |
5 kA |
Interrupting current max(DC): 7500 A |
Bulk |
3.205 in (81.4 mm) |
1.39 in (35.3 mm) |
IP20 |
2.587 in (65.7 mm) |
CUL; IEC-60947-2; UL |
2 |
70 °C (158 °F) |
|||||||||
Eaton Corporation |
Equipment Leakage Circuit Breaker |
600 V |
125 V |
225 A |
200 kA |
Toggle Handle |
8.1 in (205.74 mm) |
3 in (76.2 mm) |
3.5 in (88.9 mm) |
CCC; UL |
3 |
||||||||||||||||
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 |
||||||||||||||
|
Phoenix Contact |
Thermal Magnetic Circuit Breaker |
DIN Rail Mount |
277 V |
125 V |
15 A |
Snap On |
-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) |
||||||||
|
Phoenix Contact |
Thermal Magnetic Circuit Breaker |
DIN Rail Mount |
277 V |
125 V |
10 A |
Screw And Snap On |
-35 °C (-31 °F) |
5 kA |
Interrupting current max(DC): 7500 A |
Bulk |
3.205 in (81.4 mm) |
1.39 in (35.3 mm) |
IP20 |
2.587 in (65.7 mm) |
CUL; IEC-60947-2; UL |
2 |
70 °C (158 °F) |
|||||||||
|
Phoenix Contact |
Thermal Magnetic Circuit Breaker |
DIN Rail Mount |
277 V |
125 V |
5 A |
Snap On |
-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) |
||||||||
|
Phoenix Contact |
Thermal Magnetic Circuit Breaker |
DIN Rail Mount |
277 V |
125 V |
4 A |
Snap On |
-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) |
||||||||
|
Phoenix Contact |
Thermal Magnetic Circuit Breaker |
DIN Rail Mount |
277 V |
125 V |
2 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) |
||||||||
|
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) |
||||||||
|
Phoenix Contact |
Thermal Magnetic Circuit Breaker |
DIN Rail Mount |
277 V |
125 V |
6 A |
Snap On |
-35 °C (-31 °F) |
Handle |
Bulk |
3.378 in (85.8 mm) |
0.354 in (9 mm) |
Trip |
2.587 in (65.7 mm) |
CUL; UL |
1 |
70 °C (158 °F) |
||||||||||
|
Phoenix Contact |
Thermal Magnetic Circuit Breaker |
DIN Rail Mount |
277 V |
125 V |
2 A |
Screw And Snap On |
-35 °C (-31 °F) |
5 kA |
Interrupting current max(DC): 7500 A |
Bulk |
3.205 in (81.4 mm) |
1.39 in (35.3 mm) |
IP20 |
2.587 in (65.7 mm) |
CUL; IEC 60947-2; UL |
2 |
70 °C (158 °F) |
|||||||||
|
Phoenix Contact |
Thermal Magnetic Circuit Breaker |
DIN Rail Mount |
277 V |
125 V |
20 A |
Snap On |
-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) |
||||||||
|
Phoenix Contact |
Thermal Magnetic Circuit Breaker |
DIN Rail Mount |
277 V |
125 V |
2 A |
Screw And Snap On |
-35 °C (-31 °F) |
5 kA |
Interrupting current max(DC): 7500 A |
Bulk |
3.205 in (81.4 mm) |
1.39 in (35.3 mm) |
IP20 |
2.587 in (65.7 mm) |
CUL; IEC 60947-2; UL |
2 |
70 °C (158 °F) |
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.