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 |
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
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 |
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) |
||||||||||||
|
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) |
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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) |
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|
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) |
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Carling Technologies |
Magnetic Circuit Breaker |
Panel Mount |
240 V |
80 V |
10 A |
Stud |
-40 °C (-40 °F) |
10 kA |
Handle |
1.85 in (47 mm) |
0.75 in (19.05 mm) |
Series Trip |
2.5 in (63.5 mm) |
UL |
1 |
85 °C (185 °F) |
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|
Altech |
Magnetic Circuit Breaker |
DIN Rail Mount |
240 V |
20 A |
Snap On |
10 kA |
Toggle |
4.134 in (105 mm) |
1.378 in (35 mm) |
Trip |
2.362 in (60 mm) |
CUL; UL |
1 |
|||||||||||||
Eaton Corporation |
Equipment Leakage Circuit Breaker |
DIN Rail Mount |
240 V |
20 A |
Snap On |
10 kA |
Toggle |
Trip |
CSA; UL |
1 |
40 °C (104 °F) |
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Eaton Corporation |
Thermal Magnetic Circuit Breaker |
DIN Rail Mount |
240 V |
25 A |
Snap On |
10 kA |
Toggle |
Trip |
CSA; UL |
1 |
40 °C (104 °F) |
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|
Schneider Electric Sa |
Thermal Magnetic Circuit Breaker |
240 V |
10 A |
10 kA |
4.05 x 0.75 x 2.95 in (102.87 x 19.05 x 74.93 mm) |
CSA; IEC; UL |
1 |
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|
E-t-a Elektrotechnische Apparate |
Thermal Circuit Breaker |
Through Hole Mount |
240 V |
28 V |
1.5 A |
Printed Circuit Board |
-20 °C (-4 °F) |
Silver |
2 kA |
Rated breaking capacity at 50 VDC: 200 A |
Reset Slide |
1.102 in (28 mm) |
0.354 in (9 mm) |
Corrosion Resistant |
e4 |
1.102 x 0.354 x 0.425 in (28 x 9 x 10.8 mm) |
0.425 in (10.8 mm) |
CSA; UL; VDE |
1 |
70 °C (158 °F) |
||||||
|
E-t-a Elektrotechnische Apparate |
Thermal Circuit Breaker |
Inline/Holder |
240 V |
28 V |
20 A |
Tab/Blade |
-20 °C (-4 °F) |
200 A |
Manual Reset |
1.26 in (32 mm) |
0.551 in (14 mm) |
Trip Free |
1.563 in (39.7 mm) |
CSA; CUL; UL; VDE |
1 |
60 °C (140 °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 |
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 |
|||||||
|
Schurter Ag |
Thermal Circuit Breaker |
Panel Mount-Threaded |
240 V |
48 V |
3 A |
Quick Connect |
-5 °C (23 °F) |
2 kA |
Reset Button |
Bulk |
0.748 in (19 mm) |
0.433 in (11 mm) |
IP40 |
Trip Free |
1.976 in (50.2 mm) |
CCC; CSA; IEC; UL; VDE; GB |
1 |
60 °C (140 °F) |
||||||||
Sensata Technologies |
Magnetic Circuit Breaker |
Panel Mount |
240 V |
50 V |
2.5 A |
Solder Hook |
-40 °C (-40 °F) |
1 kA |
Toggle |
1.562 in (39.67 mm) |
0.656 in (16.66 mm) |
Sealed |
Series Trip |
1.605 in (40.77 mm) |
UL |
1 |
100 °C (212 °F) |
||||||||||
Sensata Technologies |
Magnetic Circuit Breaker |
Panel Mount |
240 V |
1 A |
Solder Hook |
-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) |
||||||||||||
Eaton Corporation |
Thermal Magnetic Circuit Breaker |
DIN Rail Mount |
240 V |
10 A |
Snap On |
10 kA |
Toggle |
Manual On/Off |
2 |
||||||||||||||||||
|
Sensata Technologies |
Magnetic Circuit Breaker |
Panel Mount |
240 V |
80 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) |
|||||||||
Carling Technologies |
Equipment Leakage Circuit Breaker |
Panel Mount |
240 V |
16 A |
Stud |
-35 °C (-31 °F) |
3 kA |
Handle |
3.8 in (96.52 mm) |
2.265 in (57.53 mm) |
Series Trip |
2.975 in (75.57 mm) |
CSA; UL |
2 |
66 °C (150.8 °F) |
||||||||||||
Carling Technologies |
Equipment Leakage Circuit Breaker |
Panel Mount |
240 V |
25 A |
Stud |
-35 °C (-31 °F) |
5 kA |
Toggle Handle |
3.8 in (96.52 mm) |
2.265 in (57.53 mm) |
Moisture Resistant |
Series Trip |
2.975 in (75.57 mm) |
UL |
2 |
66 °C (150.8 °F) |
|||||||||||
Carling Technologies |
Equipment Leakage Circuit Breaker |
Panel Mount |
240 V |
30 A |
Stud |
-35 °C (-31 °F) |
5 kA |
Toggle Handle |
3.8 in (96.52 mm) |
2.265 in (57.53 mm) |
Moisture Resistant |
Series Trip |
2.975 in (75.57 mm) |
UL |
2 |
66 °C (150.8 °F) |
|||||||||||
Carling Technologies |
Equipment Leakage Circuit Breaker |
Panel Mount |
240 V |
30 A |
Stud |
-35 °C (-31 °F) |
3 kA |
Handle |
3.8 in (96.52 mm) |
2.265 in (57.53 mm) |
Series Trip |
2.975 in (75.57 mm) |
CSA; UL |
2 |
66 °C (150.8 °F) |
||||||||||||
Carling Technologies |
Equipment Leakage Circuit Breaker |
Panel Mount |
240 V |
50 A |
Stud |
-35 °C (-31 °F) |
5 kA |
Toggle Handle |
3.8 in (96.52 mm) |
2.265 in (57.53 mm) |
Moisture Resistant |
Series Trip |
2.975 in (75.57 mm) |
UL |
2 |
66 °C (150.8 °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 |
28 V |
15 A |
Quick Connect |
-20 °C (-4 °F) |
1 kA |
Push To Reset |
Bulk |
1.26 in (32 mm) |
0.535 in (13.6 mm) |
Corrosion/Moisture Resistant; IP00; IP40 |
Trip Free |
1.063 in (27 mm) |
CSA; CUL; UL |
1 |
60 °C (140 °F) |
|||||||||
E-t-a Elektrotechnische Apparate |
Thermal Circuit Breaker |
Panel Mount |
240 V |
28 V |
2 A |
Quick Connect |
-20 °C (-4 °F) |
20 A |
Rocker |
2.008 in (51 mm) |
0.945 in (24 mm) |
Corrosion Resistant; IP00; IP66 |
Manual On/Off |
1.142 in (29 mm) |
UL; VDE |
1 |
60 °C (140 °F) |
||||||||||
Altech |
Thermal Magnetic Circuit Breaker |
DIN Rail Mount |
240 V |
25 A |
Snap On |
-25 °C (-13 °F) |
10 kA |
Toggle Handle |
Bulk |
4.291 in (109 mm) |
2.067 in (52.5 mm) |
IP20 |
Trip |
2.362 in (60 mm) |
CE, CUL, UL |
3 |
60 °C (140 °F) |
||||||||||
|
Schurter Ag |
Thermal Circuit Breaker |
Panel Mount |
240 V |
60 V |
3 A |
Quick Connect |
-30 °C (-22 °F) |
2 kA |
Rocker |
Bulk |
1.417 in (36 mm) |
1.142 in (29 mm) |
IP40 |
Trip Free |
1.736 in (44.1 mm) |
CCC; CSA; GB; IEC; UL; VDE |
2 |
60 °C (140 °F) |
||||||||
|
Schurter Ag |
Thermal Circuit Breaker |
Panel Mount |
240 V |
60 V |
10 A |
Quick Connect |
-30 °C (-22 °F) |
2 kA |
Rocker |
Bulk |
1.417 in (36 mm) |
1.142 in (29 mm) |
IP40 |
Trip Free |
1.736 in (44.1 mm) |
CCC; CSA; GB; IEC; UL; VDE |
2 |
60 °C (140 °F) |
||||||||
|
Schneider Electric Sa |
Equipment Leakage Circuit Breaker |
DIN Rail Mount |
240 V |
25 A |
Snap On |
-25 °C (-13 °F) |
1.5 kA |
Toggle Handle |
Bulk |
3.583 in (91 mm) |
1.417 in (36 mm) |
IP20; IP40 |
Trip |
2.894 in (73.5 mm) |
EN; IEC |
2 |
60 °C (140 °F) |
|||||||||
|
Schneider Electric Sa |
Equipment Leakage Circuit Breaker |
DIN Rail Mount |
240 V |
40 A |
Snap On |
-25 °C (-13 °F) |
1.5 kA |
Toggle Handle |
Bulk |
3.583 in (91 mm) |
1.417 in (36 mm) |
IP20; IP40 |
Trip |
2.894 in (73.5 mm) |
EN; IEC |
2 |
60 °C (140 °F) |
|||||||||
Sensata Technologies |
Magnetic Circuit Breaker |
Panel Mount |
240 V |
50 V |
12 A |
Solder Hook |
-40 °C (-40 °F) |
1 kA |
Toggle Handle |
1.562 in (39.67 mm) |
1.281 in (32.53 mm) |
Sealed |
Series Trip |
1.78 in (45.21 mm) |
UL |
2 |
100 °C (212 °F) |
||||||||||
Sensata Technologies |
Magnetic Circuit Breaker |
Panel Mount |
240 V |
50 V |
3 A |
Solder Hook |
-40 °C (-40 °F) |
1 kA |
Toggle Handle |
1.562 in (39.67 mm) |
1.281 in (32.53 mm) |
Sealed |
Series Trip |
1.78 in (45.21 mm) |
UL |
2 |
100 °C (212 °F) |
||||||||||
Sensata Technologies |
Magnetic Circuit Breaker |
Panel Mount |
240 V |
50 V |
3 A |
Solder Hook |
-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) |
|||||||||||
|
Carling Technologies |
Magnetic Circuit Breaker |
Panel Mount |
240 V |
50 A |
Stud |
-40 °C (-40 °F) |
5 kA |
Handle |
5.78 in (146.81 mm) |
3.138 in (79.7 mm) |
Corrosion/Moisture Resistant |
Series Trip |
2.61 in (66.3 mm) |
CSA; UL |
3 |
85 °C (185 °F) |
||||||||||
Eaton Corporation |
Thermal Magnetic Circuit Breaker |
DIN Rail Mount |
240 V |
1.5 A |
Snap On |
10 kA |
Toggle |
Manual On/Off |
2 |
||||||||||||||||||
Eaton Corporation |
Thermal Magnetic Circuit Breaker |
DIN Rail Mount |
240 V |
15 A |
Snap On |
10 kA |
Toggle |
Manual On/Off |
2 |
||||||||||||||||||
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 |
Equipment Leakage Circuit Breaker |
Panel Mount |
240 V |
50 A |
Stud |
-35 °C (-31 °F) |
3 kA |
Handle |
3.8 in (96.52 mm) |
2.265 in (57.53 mm) |
Series Trip |
2.975 in (75.57 mm) |
CSA; UL |
2 |
66 °C (150.8 °F) |
||||||||||||
|
Schneider Electric Sa |
Thermal Circuit Breaker |
Panel Mount |
240 V |
48 V |
25 A |
10 kA |
Rated breaking capacity at 48 VDC: 5000 A |
4.05 in (102.87 mm) |
1.5 in (38.1 mm) |
4.05 x 1.5 x 2.95 in (102.87 x 38.1 x 74.93 mm) |
2.95 in (74.93 mm) |
CSA; IEC; UL |
2 |
|||||||||||||
|
E-t-a Elektrotechnische Apparate |
Thermal Circuit Breaker |
Through Hole Mount |
240 V |
28 V |
4 A |
Printed Circuit Board |
-20 °C (-4 °F) |
Silver |
2 kA |
Rated breaking capacity at 50 VDC: 200 A, Environmental Characteristics: IP40; IP00 |
Reset Button |
0.984 in (25 mm) |
0.504 in (12.8 mm) |
Corrosion Resistant; Moisture Resistant |
e4 |
0.984 x 0.504 x 0.591 in (25 x 12.8 x 15 mm) |
0.591 in (15 mm) |
CSA; UL; VDE |
1 |
70 °C (158 °F) |
||||||
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) |
|||||||||||
Sensata Technologies |
Magnetic Circuit Breaker |
Panel Mount |
240 V |
50 V |
2.5 A |
Solder Hook |
-40 °C (-40 °F) |
1 kA |
Toggle Handle |
1.562 in (39.67 mm) |
1.281 in (32.53 mm) |
Sealed |
Series Trip |
1.78 in (45.21 mm) |
UL |
2 |
100 °C (212 °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.