Circuit Breaker
| 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
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) |
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|
|
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) |
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|
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) |
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|
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) |
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|
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) |
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|
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) |
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|
Carling Technologies |
Magnetic Circuit Breaker |
DIN Rail Mount |
240 V |
15 A |
Snap On |
-40 °C (-40 °F) |
3 kA |
Handle |
3.625 in (92.08 mm) |
0.688 in (17.48 mm) |
Corrosion/Moisture Resistant |
Series Trip |
2.62 in (66.55 mm) |
CSA, UL |
1 |
85 °C (185 °F) |
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|
Carling Technologies |
Magnetic Circuit Breaker |
DIN Rail Mount |
80 V |
63 A |
Snap On |
-40 °C (-40 °F) |
3 kA |
Handle |
4.188 in (106.38 mm) |
1.376 in (34.95 mm) |
Corrosion/Moisture Resistant |
Series Trip |
2.62 in (66.55 mm) |
CSA, UL |
2 |
85 °C (185 °F) |
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|
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) |
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|
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) |
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|
|
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) |
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|
|
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) |
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|
|
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) |
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|
|
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) |
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|
|
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) |
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|
|
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) |
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|
|
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) |
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|
|
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) |
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|
|
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) |
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|
|
Siemens |
Magnetic Circuit Breaker |
DIN Rail Mount |
690 V |
40 A |
Screw And Snap On |
-20 °C (-4 °F) |
2 kA |
Rotary Handle |
3.819 in (97 mm) |
1.772 in (45 mm) |
IP20 |
3.819 x 1.772 x 3.819 in (97 x 45 x 97 mm) |
Trip |
3.819 in (97 mm) |
3 |
40 °C (104 °F) |
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|
|
Siemens |
Magnetic Circuit Breaker |
DIN Rail Mount |
690 V |
28 A |
Screw And Snap On |
-20 °C (-4 °F) |
2 kA |
Rotary Handle |
3.819 in (97 mm) |
1.772 in (45 mm) |
IP20 |
3.819 x 1.772 x 3.819 in (97 x 45 x 97 mm) |
Trip |
3.819 in (97 mm) |
3 |
60 °C (140 °F) |
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|
|
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 |
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|
|
Siemens |
Magnetic Circuit Breaker |
DIN Rail Mount |
690 V |
8 A |
Screw And Snap On |
-20 °C (-4 °F) |
4 kA |
Rotary Handle |
3.819 in (97 mm) |
1.772 in (45 mm) |
IP20 |
3.819 x 1.772 x 3.819 in (97 x 45 x 97 mm) |
Trip |
3.819 in (97 mm) |
3 |
60 °C (140 °F) |
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|
|
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 |
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|
|
Siemens |
Magnetic Circuit Breaker |
DIN Rail Mount |
690 V |
10 A |
Screw And Snap On |
-20 °C (-4 °F) |
4 kA |
Rotary Handle |
3.819 in (97 mm) |
1.772 in (45 mm) |
IP20 |
3.819 x 1.772 x 3.819 in (97 x 45 x 97 mm) |
Trip |
3.819 in (97 mm) |
3 |
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 |
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|
|
Siemens |
Thermal Magnetic Circuit Breaker |
DIN Rail Mount |
690 V |
59 A |
Screw And Snap On |
-20 °C (-4 °F) |
2 kA |
Rotary Handle |
5.512 in (140 mm) |
2.165 in (55 mm) |
IP00; IP20 |
5.512 x 2.165 x 5.866 in (140 x 55 x 149 mm) |
Trip |
5.866 in (149 mm) |
3 |
60 °C (140 °F) |
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|
|
Siemens |
Thermal Magnetic Circuit Breaker |
DIN Rail Mount |
690 V |
6.3 A |
Screw And Snap On |
-20 °C (-4 °F) |
4 kA |
Rotary Handle |
5.669 in (144 mm) |
1.772 in (45 mm) |
IP00; IP20 |
5.669 x 1.772 x 3.819 in (144 x 45 x 97 mm) |
Trip |
3.819 in (97 mm) |
3 |
60 °C (140 °F) |
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|
|
Siemens |
Thermal Magnetic Circuit Breaker |
DIN Rail Mount |
690 V |
32 A |
Screw And Snap On |
-20 °C (-4 °F) |
2 kA |
Rotary Handle |
3.819 in (97 mm) |
1.772 in (45 mm) |
IP20 |
3.819 x 1.772 x 3.819 in (97 x 45 x 97 mm) |
Trip |
3.819 in (97 mm) |
3 |
60 °C (140 °F) |
||||||||||
|
|
Siemens |
Thermal Magnetic Circuit Breaker |
DIN Rail Mount |
690 V |
36 A |
Screw And Snap On |
-20 °C (-4 °F) |
2 kA |
Rotary Handle |
5.512 in (140 mm) |
2.165 in (55 mm) |
IP00; IP20 |
5.512 x 2.165 x 5.866 in (140 x 55 x 149 mm) |
Trip |
5.866 in (149 mm) |
3 |
60 °C (140 °F) |
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|
|
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) |
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|
|
Siemens |
Thermal Magnetic Circuit Breaker |
DIN Rail Mount |
690 V |
45 A |
Screw And Snap On |
-20 °C (-4 °F) |
2 kA |
Rotary Handle |
5.512 in (140 mm) |
2.165 in (55 mm) |
IP00; IP20 |
5.512 x 2.165 x 5.866 in (140 x 55 x 149 mm) |
Trip |
5.866 in (149 mm) |
3 |
60 °C (140 °F) |
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|
|
Siemens |
Thermal Magnetic Circuit Breaker |
DIN Rail Mount |
690 V |
16 A |
Screw And Snap On |
-20 °C (-4 °F) |
2 kA |
Rotary Handle |
3.819 in (97 mm) |
1.772 in (45 mm) |
IP20 |
3.819 x 1.772 x 3.819 in (97 x 45 x 97 mm) |
Trip |
3.819 in (97 mm) |
3 |
60 °C (140 °F) |
||||||||||
|
|
Siemens |
Thermal Magnetic Circuit Breaker |
DIN Rail Mount |
690 V |
20 A |
Screw And Snap On |
-20 °C (-4 °F) |
2 kA |
Rotary Handle |
5.669 in (144 mm) |
1.772 in (45 mm) |
IP00; IP20 |
5.669 x 1.772 x 3.819 in (144 x 45 x 97 mm) |
Trip |
3.819 in (97 mm) |
3 |
60 °C (140 °F) |
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|
|
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) |
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|
|
Siemens |
Thermal Magnetic Circuit Breaker |
DIN Rail Mount |
690 V |
52 A |
Screw And Snap On |
-20 °C (-4 °F) |
2 kA |
Rotary Handle |
5.512 in (140 mm) |
2.165 in (55 mm) |
IP00; IP20 |
5.512 x 2.165 x 5.866 in (140 x 55 x 149 mm) |
Trip |
5.866 in (149 mm) |
3 |
60 °C (140 °F) |
||||||||||
|
|
Siemens |
Thermal Magnetic Circuit Breaker |
DIN Rail Mount |
690 V |
8 A |
Screw And Snap On |
-20 °C (-4 °F) |
4 kA |
Rotary Handle |
5.669 in (144 mm) |
1.772 in (45 mm) |
IP00; IP20 |
5.669 x 1.772 x 3.819 in (144 x 45 x 97 mm) |
Trip |
3.819 in (97 mm) |
3 |
60 °C (140 °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) |
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|
|
Siemens |
Thermal Magnetic Circuit Breaker |
DIN Rail Mount |
690 V |
16 A |
Screw And Snap On |
-20 °C (-4 °F) |
2 kA |
Rotary Handle |
3.819 in (97 mm) |
2.559 in (65 mm) |
IP20 |
3.819 x 2.559 x 3.819 in (97 x 65 x 97 mm) |
Relay Trip |
3.819 in (97 mm) |
3 |
60 °C (140 °F) |
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|
|
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) |
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|
|
Siemens |
Thermal Magnetic Circuit Breaker |
DIN Rail Mount |
690 V |
1 A |
Screw And Snap On |
-20 °C (-4 °F) |
100 kA |
Rotary Handle |
3.819 in (97 mm) |
1.772 in (45 mm) |
IP20 |
3.819 x 1.772 x 3.819 in (97 x 45 x 97 mm) |
Trip |
3.819 in (97 mm) |
3 |
60 °C (140 °F) |
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|
|
Siemens |
Thermal Magnetic Circuit Breaker |
DIN Rail Mount |
690 V |
250 mA |
Screw And Snap On |
-20 °C (-4 °F) |
100 kA |
Rotary Handle |
3.819 in (97 mm) |
1.772 in (45 mm) |
IP20 |
3.819 x 1.772 x 3.819 in (97 x 45 x 97 mm) |
Trip |
3.819 in (97 mm) |
3 |
60 °C (140 °F) |
||||||||||
|
|
Siemens |
Thermal Magnetic Circuit Breaker |
DIN Rail Mount |
690 V |
32 A |
Screw And Snap On |
-20 °C (-4 °F) |
2 kA |
Rotary Handle |
3.819 in (97 mm) |
1.772 in (45 mm) |
IP20 |
3.819 x 1.772 x 3.819 in (97 x 45 x 97 mm) |
Trip |
3.819 in (97 mm) |
3 |
60 °C (140 °F) |
||||||||||
|
|
Siemens |
Thermal Magnetic Circuit Breaker |
DIN Rail Mount |
690 V |
5 A |
Screw And Snap On |
-20 °C (-4 °F) |
4 kA |
Rotary Handle |
3.819 in (97 mm) |
1.772 in (45 mm) |
IP20 |
3.819 x 1.772 x 3.819 in (97 x 45 x 97 mm) |
Trip |
3.819 in (97 mm) |
3 |
60 °C (140 °F) |
||||||||||
|
|
Siemens |
Thermal Magnetic Circuit Breaker |
DIN Rail Mount |
690 V |
20 A |
Screw And Snap On |
-20 °C (-4 °F) |
2 kA |
Rotary Handle |
5.669 in (144 mm) |
1.772 in (45 mm) |
IP00; IP20 |
5.669 x 1.772 x 3.819 in (144 x 45 x 97 mm) |
Trip |
3.819 in (97 mm) |
3 |
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.