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 |
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
TE Connectivity |
Thermal Circuit Breaker |
Panel Mount |
250 V |
50 V |
25 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) |
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|
Carling Technologies |
Magnetic Circuit Breaker |
Panel Mount |
80 V |
25 A |
Quick Connect |
-40 °C (-40 °F) |
7.5 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) |
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Carling Technologies |
Magnetic Circuit Breaker |
Panel Mount |
65 V |
73 A |
Stud |
-40 °C (-40 °F) |
1.5 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 |
480 V |
150 V |
20 A |
Stud |
-40 °C (-40 °F) |
10 kA |
Handle |
1.85 in (47 mm) |
2.265 in (57.53 mm) |
Series Trip |
2.5 in (63.5 mm) |
UL |
3 |
85 °C (185 °F) |
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|
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) |
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|
Sensata Technologies |
Magnetic Circuit Breaker |
Panel Mount |
240 V |
20 A |
Quick Connect |
-40 °C (-40 °F) |
2 kA |
Toggle |
2 in (50.8 mm) |
0.75 in (19.05 mm) |
Corrosion/Moisture Resistant |
Trip Free |
1.687 in (42.85 mm) |
CCC; VDE |
1 |
85 °C (185 °F) |
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Sensata Technologies |
Thermal Circuit Breaker |
Panel Mount |
30 V |
150 A |
Screw |
Push Button |
3.125 in (79.38 mm) |
1.859 in (47.22 mm) |
Trip |
1.078 in (27.38 mm) |
CCC |
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Sensata Technologies |
Thermal Circuit Breaker |
Panel Mount |
30 V |
150 A |
Screw |
Push Button |
3.125 in (79.38 mm) |
1.859 in (47.22 mm) |
Trip |
1.078 in (27.38 mm) |
CCC |
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|
Schurter Ag |
Thermal Circuit Breaker |
Panel Mount |
125 V |
32 V |
5 A |
Quick Connect |
1 kA |
Push To Reset |
1.161 in (29.5 mm) |
0.563 in (14.3 mm) |
Trip Free |
0.886 in (22.5 mm) |
UL |
1 |
||||||||||||
|
TE Connectivity |
Thermal Circuit Breaker |
Panel Mount |
250 V |
50 V |
5 A |
Quick Connect |
1 kA |
3 s |
Rocker |
1.89 in (48.01 mm) |
0.98 in (24.89 mm) |
Series Trip |
1.724 in (43.79 mm) |
2 |
||||||||||||
E-t-a Elektrotechnische Apparate |
Thermal Circuit Breaker |
Panel Mount |
115 V |
28 V |
10 A |
Screw |
-55 °C (-67 °F) |
2.5 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 |
0.768 x 0.559 x 1.22 in (19.5 x 14.2 x 31 mm) |
Tease-Free And Trip-Free |
1.22 in (31 mm) |
1 |
125 °C (257 °F) |
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|
Siemens |
Thermal Circuit Breaker |
Panel Mount |
240 V |
16 A |
Screw |
-25 °C (-13 °F) |
10 kA |
3.543 in (90 mm) |
1.394 in (35.4 mm) |
IP20 |
Trip |
3 in (76.2 mm) |
CCC; CE; IMQ; RCM; VDE |
2 |
55 °C (131 °F) |
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Sensata Technologies |
Thermal Circuit Breaker |
Panel Mount |
120 V |
28 V |
50 A |
Screw |
3.5 kA |
1 s |
Rated breaking capacity at 28 VDC: 6000 A |
Push-Pull |
2.189 in (55.6 mm) |
0.75 in (19.05 mm) |
Corrosion/Moisture Resistant |
2.189 x 0.75 x 1.93 in (55.6 x 19.05 x 49.02 mm) |
Trip |
1.93 in (49.02 mm) |
1 |
||||||||||
Sensata Technologies |
Magnetic Circuit Breaker |
Panel Mount |
240 V |
20 A |
Screw |
-40 °C (-40 °F) |
1 kA |
Toggle |
1.562 in (39.67 mm) |
1.281 in (32.53 mm) |
Corrosion Resistant; Sealed |
Series Trip |
1.78 in (45.21 mm) |
2 |
100 °C (212 °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) |
|||||||||||
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) |
|||||||||||
|
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) |
||||||||
|
Carling Technologies |
Thermal Circuit Breaker |
Panel Mount |
250 V |
32 V |
10 A |
Screw |
-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) |
||||||||
|
Carling Technologies |
Thermal Circuit Breaker |
Panel Mount |
250 V |
32 V |
10 A |
Screw |
-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) |
||||||||
|
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) |
||||||||
|
Sensata Technologies |
Magnetic Circuit Breaker |
Panel Mount |
240 V |
80 V |
20 A |
Quick Connect |
-40 °C (-40 °F) |
2 kA |
Toggle Handle |
2 in (50.8 mm) |
1.515 in (38.48 mm) |
Corrosion/Moisture Resistant |
Trip Free |
1.687 in (42.85 mm) |
CCC; VDE |
2 |
85 °C (185 °F) |
|||||||||
Carling Technologies |
Magnetic Circuit Breaker |
Panel Mount |
125 V |
80 V |
10 A |
Quick Connect |
-40 °C (-40 °F) |
1 kA |
Rocker |
1.375 in (34.93 mm) |
0.68 in (17.27 mm) |
Chemical/Corrosion/Moisture Resistant |
Series Trip |
1.53 in (38.86 mm) |
UL; CSA |
1 |
85 °C (185 °F) |
||||||||||
Sensata Technologies |
Thermal Circuit Breaker |
Panel Mount |
120 V |
28 V |
50 A |
Screw |
3.5 kA |
Rated breaking capacity at 28 VDC: 6000 A |
Push-Pull |
2.189 in (55.6 mm) |
0.75 in (19.05 mm) |
Corrosion Resistant; Moisture Resistant |
2.56 in (65.02 mm) |
MIL-C-5809 |
1 |
||||||||||||
Carling Technologies |
Equipment Leakage Circuit Breaker |
Panel Mount |
240 V |
50 A |
Stud |
-35 °C (-31 °F) |
5 kA |
Rocker |
3.8 in (96.52 mm) |
3.015 in (76.58 mm) |
Moisture Resistant |
Series Trip |
2.975 in (75.57 mm) |
UL |
2 |
66 °C (150.8 °F) |
|||||||||||
|
TE Connectivity |
Thermal Circuit Breaker |
Panel Mount |
250 V |
50 V |
10 A |
Quick Connect |
1 kA |
6 s |
Rated breaking capacity at 50 VDC: 2000 A |
Push To Reset |
1.375 in (34.93 mm) |
0.66 in (16.76 mm) |
1.375 x 0.66 x 1.375 in (34.93 x 16.76 x 34.93 mm) |
Series Trip |
1.375 in (34.93 mm) |
CSA; UL |
1 |
|||||||||
|
TE Connectivity |
Thermal Circuit Breaker |
Panel Mount |
250 V |
50 V |
1 A |
Lug |
1 kA |
10 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 |
||||||||||||
TE Connectivity |
Magnetic Circuit Breaker |
Panel Mount |
65 V |
50 A |
Screw |
2.2 s |
Toggle |
Series Trip |
1 |
||||||||||||||||||
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 |
|||||||||||||
E-t-a Elektrotechnische Apparate |
Thermal Circuit Breaker |
Panel Mount |
250 V |
50 V |
5 A |
Quick Connect |
-30 °C (-22 °F) |
5 A |
Rocker |
2.126 in (54 mm) |
0.827 in (21 mm) |
Corrosion Resistant |
2.126 x 0.827 x 1.299 in (54 x 21 x 33 mm) |
Manual On/Off |
1.299 in (33 mm) |
CCC; CSA; UL; VDE |
2 |
60 °C (140 °F) |
|||||||||
E-t-a Elektrotechnische Apparate |
Thermal Circuit Breaker |
Panel Mount |
250 V |
50 V |
10 A |
Tab/Blade |
-30 °C (-22 °F) |
5 kA |
Rocker |
Bulk |
2.126 in (54 mm) |
0.984 in (25 mm) |
Corrosion/Moisture Resistant; IP00; IP40 |
Trip Free |
1.299 in (33 mm) |
CSA; UL |
2 |
60 °C (140 °F) |
|||||||||
E-t-a Elektrotechnische Apparate |
Thermal Circuit Breaker |
Panel Mount |
250 V |
50 V |
1.5 A |
Quick Connect |
-30 °C (-22 °F) |
15 A |
Rocker |
1.89 in (48 mm) |
0.827 in (21 mm) |
Corrosion Resistant |
1.89 x 0.827 x 1.299 in (48 x 21 x 33 mm) |
Manual On/Off |
1.299 in (33 mm) |
CCC; CSA; UL; VDE |
2 |
60 °C (140 °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 |
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 |
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 |
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) |
|||||||||
|
Schurter Ag |
Thermal Circuit Breaker |
Panel Mount |
240 V |
48 V |
3 A |
Quick Connect |
-5 °C (23 °F) |
2 kA |
Reset Type |
Bulk |
0.606 in (15.4 mm) |
0.535 in (13.6 mm) |
IP40 |
Trip Free |
1.339 in (34 mm) |
CCC; CSA; GB; IEC; UL; VDE |
1 |
60 °C (140 °F) |
||||||||
|
Schurter Ag |
Thermal Circuit Breaker |
Panel Mount |
277 V |
32 V |
2 A |
Quick Connect |
-30 °C (-22 °F) |
2 kA |
Rocker |
Bulk |
1.417 in (36 mm) |
0.689 in (17.5 mm) |
Trip |
1.319 in (33.5 mm) |
CCC; CUL; UL; VDE |
1 |
60 °C (140 °F) |
|||||||||
|
Schurter Ag |
Thermal Circuit Breaker |
Panel Mount |
415 V |
10 A |
Quick Connect |
-30 °C (-22 °F) |
2 kA |
Rocker |
Bulk |
1.594 in (40.5 mm) |
1.417 in (36 mm) |
IP40 |
Manual On/Off |
1.736 in (44.1 mm) |
CCC; CUL; UL; VDE |
3 |
60 °C (140 °F) |
|||||||||
E-t-a Elektrotechnische Apparate |
Thermal Circuit Breaker |
Panel Mount |
72 V |
30 A |
Screw |
-55 °C (-67 °F) |
5 kA |
Push-Pull |
1.22 in (31 mm) |
0.709 in (18 mm) |
Corrosion/Moisture Resistant; IP00; IP40 |
Trip Free |
1.969 in (50 mm) |
CSA; CUL; UL |
1 |
75 °C (167 °F) |
|||||||||||
|
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) |
|||||||||
|
TE Connectivity |
Thermal Circuit Breaker |
Panel Mount |
250 V |
32 V |
20 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 |
||||||||||||
|
Carling Technologies |
Magnetic Circuit Breaker |
Panel Mount |
277 V |
80 V |
5 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 |
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 |
80 V |
1 A |
Stud |
-40 °C (-40 °F) |
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; VDE |
1 |
85 °C (185 °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.