| 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
E-t-a Elektrotechnische Apparate |
Thermal Circuit Breaker |
Panel Mount |
115 V |
28 V |
5 A |
Screw |
-55 °C (-67 °F) |
2 kA |
Rated breaking capacity at 28 VDC: 6000 A |
Push-Pull |
0.768 in (19.5 mm) |
0.559 in (14.2 mm) |
IP40; IP00 |
Tease-Free And Trip-Free |
1.22 in (31 mm) |
1 |
125 °C (257 °F) |
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|
Sensata Technologies |
Magnetic Circuit Breaker |
Panel Mount |
240 V |
50 V |
10 A |
Solder Hook |
-40 °C (-40 °F) |
1 kA |
Toggle |
1.562 in (39.67 mm) |
0.656 in (16.66 mm) |
Corrosion Resistant; Sealed |
Trip Free |
1.605 in (40.77 mm) |
1 |
100 °C (212 °F) |
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|
Carling Technologies |
Magnetic Circuit Breaker |
Panel Mount |
80 V |
30 A |
Stud |
-40 °C (-40 °F) |
7.5 kA |
Rocker |
2.5 in (63.5 mm) |
0.755 in (19.18 mm) |
Corrosion/Moisture Resistant |
Series Trip |
1.85 in (47 mm) |
CSA; TUV; UL |
1 |
85 °C (185 °F) |
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|
Carling Technologies |
Magnetic Circuit Breaker |
Panel Mount |
80 V |
3.5 A |
Stud |
-40 °C (-40 °F) |
7.5 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) |
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|
Carling Technologies |
Magnetic Circuit Breaker |
Panel Mount |
80 V |
3.5 A |
Stud |
-40 °C (-40 °F) |
7.5 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) |
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|
Carling Technologies |
Magnetic Circuit Breaker |
Panel Mount |
120 V |
20 A |
Stud |
-40 °C (-40 °F) |
10 kA |
Handle |
2.5 in (63.5 mm) |
1.515 in (38.48 mm) |
Corrosion/Moisture Resistant |
Series Trip |
1.85 in (47 mm) |
CSA; UL |
2 |
85 °C (185 °F) |
|||||||||||
|
Carling Technologies |
Magnetic Circuit Breaker |
Panel Mount |
250 V |
80 V |
15 A |
Stud |
-40 °C (-40 °F) |
5 kA |
Handle |
2.5 in (63.5 mm) |
1.515 in (38.48 mm) |
Corrosion/Moisture Resistant |
Series Trip |
1.85 in (47 mm) |
CSA; TUV; UL |
2 |
85 °C (185 °F) |
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|
|
Carling Technologies |
Magnetic Circuit Breaker |
Panel Mount |
277 V |
2 A |
Screw |
-40 °C (-40 °F) |
5 kA |
Standards: MIL-PRF-55629, MIL-STD-202 |
Toggle |
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) |
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|
Carling Technologies |
Magnetic Circuit Breaker |
Panel Mount |
250 V |
70 A |
Stud |
-40 °C (-40 °F) |
Toggle Handle |
2.5 in (63.5 mm) |
2.24 in (56.9 mm) |
Corrosion/Moisture Resistant |
Switch |
1.85 in (47 mm) |
CSA, UL |
3 |
85 °C (185 °F) |
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|
|
Carling Technologies |
Magnetic Circuit Breaker |
Panel Mount |
410 V |
20 A |
Screw |
-40 °C (-40 °F) |
10 kA |
Handle |
3.672 in (93.26 mm) |
1.515 in (38.48 mm) |
Corrosion/Moisture Resistant |
Series Trip |
2.264 in (57.51 mm) |
UL |
2 |
85 °C (185 °F) |
||||||||||
|
Carling Technologies |
Magnetic Circuit Breaker |
Panel Mount |
250 V |
25 A |
Screw |
-40 °C (-40 °F) |
3 kA |
Handle |
2 in (50.8 mm) |
0.755 in (19.18 mm) |
Corrosion/Moisture Resistant |
Series Trip |
1.73 in (43.94 mm) |
UL; TUV |
1 |
85 °C (185 °F) |
|||||||||||
|
Carling Technologies |
Magnetic Circuit Breaker |
Panel Mount |
250 V |
25 A |
Screw |
-40 °C (-40 °F) |
5 kA |
Handle |
2 in (50.8 mm) |
1.515 in (38.48 mm) |
Corrosion/Moisture Resistant |
Series Trip |
1.73 in (43.94 mm) |
CSA; UL |
2 |
85 °C (185 °F) |
|||||||||||
|
Carling Technologies |
Magnetic Circuit Breaker |
Panel Mount |
250 V |
80 V |
25 A |
Screw |
-40 °C (-40 °F) |
5 kA |
Handle |
2 in (50.8 mm) |
1.515 in (38.48 mm) |
Corrosion/Moisture Resistant |
Series Trip |
1.73 in (43.94 mm) |
CSA; UL |
2 |
85 °C (185 °F) |
||||||||||
|
|
Carling Technologies |
Magnetic Circuit Breaker |
Panel Mount |
277 V |
80 V |
10 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) |
||||||||
|
|
Carling Technologies |
Magnetic Circuit Breaker |
Panel Mount |
80 V |
10 A |
Screw |
-40 °C (-40 °F) |
7.5 kA |
Standards: MIL-PRF-55629, MIL-STD-202 |
Toggle |
2 in (50.8 mm) |
1.49 in (37.85 mm) |
Corrosion/Moisture Resistant |
Series Trip |
1.817 in (46.15 mm) |
CSA; UL |
2 |
85 °C (185 °F) |
|||||||||
|
|
Carling Technologies |
Magnetic Circuit Breaker |
Panel Mount |
250 V |
15 A |
Quick Connect |
-40 °C (-40 °F) |
1 kA |
Standards: MIL-PRF-55629, MIL-STD-202 |
Push To Reset |
2.156 in (54.76 mm) |
0.745 in (18.92 mm) |
Corrosion/Moisture Resistant |
Series Trip |
1.64 in (41.66 mm) |
CSA; UL; VDE |
1 |
85 °C (185 °F) |
|||||||||
|
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 |
65 V |
30 A |
Screw |
-40 °C (-40 °F) |
3 kA |
Sealed Toggle |
1.375 in (34.93 mm) |
0.65 in (16.51 mm) |
Moisture Resistant; IP68; |
Series Trip |
2.158 in (54.81 mm) |
CUL; UL |
1 |
85 °C (185 °F) |
|||||||||||
|
Carling Technologies |
Magnetic Circuit Breaker |
Panel Mount |
240 V |
15 A |
Quick Connect |
-40 °C (-40 °F) |
2 kA |
Sealed Toggle |
1.375 in (34.93 mm) |
1.3 in (33.02 mm) |
Moisture Resistant; IP68; |
Series Trip |
2.158 in (54.81 mm) |
CUL; UL |
2 |
85 °C (185 °F) |
|||||||||||
|
Carling Technologies |
Magnetic Circuit Breaker |
Panel Mount |
240 V |
20 A |
Screw |
-40 °C (-40 °F) |
2 kA |
Sealed Toggle |
1.375 in (34.93 mm) |
1.3 in (33.02 mm) |
Moisture Resistant; IP68; |
Series Trip |
2.158 in (54.81 mm) |
2 |
85 °C (185 °F) |
||||||||||||
|
Carling Technologies |
Magnetic Circuit Breaker |
Panel Mount |
65 V |
100 A |
Screw |
-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 |
65 V |
100 A |
Screw |
-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) |
|||||||||||
|
|
Schurter Ag |
Thermal Circuit Breaker |
Panel Mount |
240 V |
60 V |
14 A |
Quick Connect |
-10 °C (14 °F) |
1 kA |
Rocker |
1.89 in (48 mm) |
0.984 in (25 mm) |
IP00; IP40; IP54; IP65 |
Trip |
1.339 in (34 mm) |
CSA; SEMKO; SEV; UL; VDE |
2 |
55 °C (131 °F) |
|||||||||
|
|
Schurter Ag |
Thermal Circuit Breaker |
Panel Mount |
240 V |
60 V |
11 A |
Quick Connect |
-10 °C (14 °F) |
1 kA |
Rocker |
1.89 in (48 mm) |
0.984 in (25 mm) |
IP00; IP40; IP54; IP65 |
Manual On/Off |
1.339 in (34 mm) |
CSA; SEMKO; SEV; UL; VDE |
2 |
55 °C (131 °F) |
|||||||||
|
|
E-t-a Elektrotechnische Apparate |
Thermal Circuit Breaker |
Panel Mount |
240 V |
50 V |
20 A |
Quick Connect |
-30 °C (-22 °F) |
5 kA |
Rated breaking capacity at 50 VDC: 1000 A |
Rocker |
2.22 in (56.4 mm) |
0.984 in (25 mm) |
Corrosion Resistant; IP00; IP40 |
Trip Free |
1.299 in (33 mm) |
CCC; CSA; KC; UL; VDE |
1 |
60 °C (140 °F) |
||||||||
|
|
E-t-a Elektrotechnische Apparate |
Thermal Circuit Breaker |
Panel Mount |
240 V |
50 V |
15 A |
Quick Connect |
-30 °C (-22 °F) |
5 kA |
Rated breaking capacity at 50 VDC: 1000 A |
Rocker |
2.22 in (56.4 mm) |
0.984 in (25 mm) |
Corrosion Resistant; IP00; IP40 |
Trip Free |
1.299 in (33 mm) |
CCC; CSA; KC; UL; VDE |
1 |
60 °C (140 °F) |
||||||||
|
|
E-t-a Elektrotechnische Apparate |
Thermal Circuit Breaker |
Panel Mount |
240 V |
50 V |
5 A |
Quick Connect |
-30 °C (-22 °F) |
5 kA |
Rated breaking capacity at 50 VDC: 1000 A |
Rocker |
2.22 in (56.4 mm) |
0.984 in (25 mm) |
Corrosion Resistant; IP00; IP40 |
Trip Free |
1.299 in (33 mm) |
CCC; CSA; KC; UL; VDE |
1 |
60 °C (140 °F) |
||||||||
|
|
E-t-a Elektrotechnische Apparate |
Thermal Circuit Breaker |
Panel Mount |
240 V |
50 V |
10 A |
Quick Connect |
-30 °C (-22 °F) |
5 kA |
Rated breaking capacity at 50 VDC: 1000 A |
Rocker |
2.22 in (56.4 mm) |
0.984 in (25 mm) |
Corrosion Resistant; IP00; IP40 |
Trip Free |
1.299 in (33 mm) |
CCC; CSA; KC; UL; VDE |
2 |
60 °C (140 °F) |
||||||||
|
|
E-t-a Elektrotechnische Apparate |
Thermal Circuit Breaker |
Panel Mount |
240 V |
50 V |
2 A |
Quick Connect |
-30 °C (-22 °F) |
5 kA |
Rated breaking capacity at 50 VDC: 1000 A |
Rocker |
2.22 in (56.4 mm) |
0.984 in (25 mm) |
Corrosion Resistant; IP00; IP40 |
Trip Free |
1.299 in (33 mm) |
CCC; CSA; KC; UL; VDE |
2 |
60 °C (140 °F) |
||||||||
|
|
E-t-a Elektrotechnische Apparate |
Thermal Circuit Breaker |
Panel Mount |
240 V |
50 V |
3 A |
Quick Connect |
-30 °C (-22 °F) |
5 kA |
Rated breaking capacity at 50 VDC: 1000 A |
Rocker |
2.22 in (56.4 mm) |
0.984 in (25 mm) |
Corrosion Resistant; IP00; IP40 |
Trip Free |
1.299 in (33 mm) |
CCC; CSA; KC; UL; VDE |
2 |
60 °C (140 °F) |
||||||||
|
|
E-t-a Elektrotechnische Apparate |
Thermal Circuit Breaker |
Panel Mount |
240 V |
50 V |
5 A |
Quick Connect |
-30 °C (-22 °F) |
5 kA |
Rated breaking capacity at 50 VDC: 1000 A |
Rocker |
2.22 in (56.4 mm) |
0.984 in (25 mm) |
Corrosion Resistant; IP00; IP40 |
Trip Free |
1.299 in (33 mm) |
CCC; CSA; KC; UL; VDE |
2 |
60 °C (140 °F) |
||||||||
|
|
E-t-a Elektrotechnische Apparate |
Thermal Circuit Breaker |
Panel Mount |
240 V |
50 V |
10 A |
Quick Connect |
-30 °C (-22 °F) |
5 kA |
Rated breaking capacity at 50 VDC: 1000 A |
Rocker |
2.22 in (56.4 mm) |
0.984 in (25 mm) |
Corrosion Resistant; IP00; IP40 |
Trip Free |
1.299 in (33 mm) |
CCC; CSA; KC; UL; VDE |
2 |
60 °C (140 °F) |
||||||||
|
|
E-t-a Elektrotechnische Apparate |
Thermal Circuit Breaker |
Panel Mount |
240 V |
50 V |
15 A |
Quick Connect |
-30 °C (-22 °F) |
5 kA |
Rated breaking capacity at 50 VDC: 1000 A |
Rocker |
2.22 in (56.4 mm) |
0.984 in (25 mm) |
Corrosion Resistant; IP00; IP40 |
Trip Free |
1.299 in (33 mm) |
CCC; CSA; KC; UL; VDE |
2 |
60 °C (140 °F) |
||||||||
|
|
E-t-a Elektrotechnische Apparate |
Thermal Circuit Breaker |
Panel Mount |
240 V |
50 V |
15 A |
Quick Connect |
-30 °C (-22 °F) |
5 kA |
Rated breaking capacity at 50 VDC: 1000 A |
Rocker |
2.22 in (56.4 mm) |
0.984 in (25 mm) |
Corrosion Resistant; IP00; IP40 |
Trip Free |
1.299 in (33 mm) |
CCC; CSA; KC; UL; VDE |
2 |
60 °C (140 °F) |
||||||||
|
|
E-t-a Elektrotechnische Apparate |
Thermal Circuit Breaker |
Panel Mount |
240 V |
50 V |
50 A |
Screw |
-30 °C (-22 °F) |
800 A |
Push To Reset |
1.26 in (32 mm) |
0.709 in (18 mm) |
Corrosion Resistant; IP00; IP40 |
1.26 x 0.709 x 1.969 in (32 x 18 x 50 mm) |
Tease-Free And Trip-Free |
1.969 in (50 mm) |
CBE; CSA; EN; IEC; UL; VDE |
1 |
60 °C (140 °F) |
Medium |
|||||||
|
|
Siemens |
Thermal Circuit Breaker |
Panel Mount |
600 V |
250 V |
20 A |
Screw |
-25 °C (-13 °F) |
65 kA |
Toggle |
5.5 in (139.7 mm) |
2 in (50.8 mm) |
IP40 |
5.5 x 2 x 3 in (139.7 x 50.8 x 76.2 mm) |
Trip |
3 in (76.2 mm) |
2 |
70 °C (158 °F) |
|||||||||
|
|
Siemens |
Thermal Circuit Breaker |
Panel Mount |
690 V |
1 KV |
100 A |
Screw |
-25 °C (-13 °F) |
65 kA |
Toggle |
7.3 in (185.42 mm) |
5.5 in (139.7 mm) |
IP40 |
7.3 x 5.5 x 3.3 in (185.42 x 139.7 x 83.82 mm) |
Trip |
3.3 in (83.82 mm) |
4 |
70 °C (158 °F) |
|||||||||
|
|
Siemens |
Thermal Circuit Breaker |
Panel Mount |
600 V |
100 A |
Screw |
-25 °C (-13 °F) |
35 kA |
Toggle |
7.8 in (198.12 mm) |
4.1 in (104.14 mm) |
IP40 |
7.8 x 4.1 x 3.4 in (198.12 x 104.14 x 86.36 mm) |
Trip |
3.4 in (86.36 mm) |
3 |
70 °C (158 °F) |
||||||||||
|
|
Siemens |
Thermal Circuit Breaker |
Panel Mount |
690 V |
600 V |
100 A |
Screw |
-25 °C (-13 °F) |
65 kA |
Toggle |
5.5 in (139.7 mm) |
4 in (101.6 mm) |
IP40 |
5.5 x 4 x 3 in (139.7 x 101.6 x 76.2 mm) |
Trip |
3 in (76.2 mm) |
4 |
70 °C (158 °F) |
|||||||||
|
|
Siemens |
Thermal Circuit Breaker |
Panel Mount |
690 V |
1 KV |
100 A |
Screw |
-25 °C (-13 °F) |
65 kA |
Toggle |
7.3 in (185.42 mm) |
5.5 in (139.7 mm) |
IP40 |
7.3 x 5.5 x 3.3 in (185.42 x 139.7 x 83.82 mm) |
Trip |
3.3 in (83.82 mm) |
4 |
70 °C (158 °F) |
|||||||||
|
|
Siemens |
Thermal Circuit Breaker |
Panel Mount |
690 V |
600 V |
100 A |
Screw |
-25 °C (-13 °F) |
65 kA |
Toggle |
5.5 in (139.7 mm) |
4 in (101.6 mm) |
IP40 |
5.5 x 4 x 3 in (139.7 x 101.6 x 76.2 mm) |
Trip |
3 in (76.2 mm) |
4 |
70 °C (158 °F) |
|||||||||
|
Sensata Technologies |
Magnetic Circuit Breaker |
Panel Mount |
240 V |
10 A |
Stud |
5 kA |
Toggle |
5.125 in (130.18 mm) |
1.026 in (26.06 mm) |
Moisture Resistant |
Trip Free |
3.55 in (90.17 mm) |
CSA; CUL; UL |
1 |
|||||||||||||
|
Sensata Technologies |
Magnetic Circuit Breaker |
Panel Mount |
240 V |
15 A |
Stud |
5 kA |
Toggle |
5.125 in (130.18 mm) |
1.026 in (26.06 mm) |
Moisture Resistant |
Trip Free |
3.55 in (90.17 mm) |
CSA; CUL; UL; VDE |
1 |
|||||||||||||
|
Sensata Technologies |
Magnetic Circuit Breaker |
Panel Mount |
480 V |
30 A |
Quick Connect |
10 kA |
Toggle Handle |
5.8 in (147.32 mm) |
3.108 in (78.94 mm) |
Moisture Resistant |
Trip Free |
2.61 in (66.29 mm) |
CSA; CUL; UL; VDE |
3 |
|||||||||||||
|
Sensata Technologies |
Magnetic Circuit Breaker |
Panel Mount |
480 V |
1 A |
Stud |
5 kA |
Toggle Handle |
5.125 in (130.18 mm) |
2.072 in (52.63 mm) |
Moisture Resistant |
Trip Free |
3.55 in (90.17 mm) |
CSA; CUL; UL |
2 |
|||||||||||||
|
Sensata Technologies |
Magnetic Circuit Breaker |
Panel Mount |
480 V |
50 A |
Stud |
5 kA |
Toggle Handle |
5.125 in (130.18 mm) |
2.072 in (52.63 mm) |
Moisture Resistant |
Trip Free |
3.55 in (90.17 mm) |
CSA; CUL; UL |
2 |
|||||||||||||
|
Sensata Technologies |
Magnetic Circuit Breaker |
Panel Mount |
160 V |
90 A |
Quick Connect |
5 kA |
Toggle Handle |
5.8 in (147.32 mm) |
2.072 in (52.63 mm) |
Moisture Resistant |
Trip Free |
2.61 in (66.29 mm) |
CSA; CUL; UL |
2 |
|||||||||||||
|
|
Carling Technologies |
Thermal Circuit Breaker |
Panel Mount |
250 V |
32 V |
10 A |
Quick Connect |
-10 °C (14 °F) |
300 A |
Rated breaking capacity at 32 VDC: 2500 A |
Push To Reset |
1.378 in (35 mm) |
0.571 in (14.5 mm) |
Fire Resistant |
Series Trip |
1.693 in (43 mm) |
CE; TUV; UL |
1 |
60 °C (140 °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.