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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
Siemens |
Thermal Magnetic Circuit Breaker |
DIN Rail Mount |
690 V |
63 A |
Screw And Snap On |
-20 °C (-4 °F) |
3 kA |
Rotary Handle |
6.496 in (165 mm) |
2.756 in (70 mm) |
IP00; IP20 |
6.496 x 2.756 x 6.929 in (165 x 70 x 176 mm) |
Trip |
6.929 in (176 mm) |
3 |
60 °C (140 °F) |
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|
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 Circuit Breaker |
Panel Mount |
690 V |
500 V |
63 A |
Box |
-25 °C (-13 °F) |
100 kA |
Toggle |
6.87 in (174.5 mm) |
4.114 in (104.5 mm) |
IP20 |
6.87 x 4.114 x 4.193 in (174.5 x 104.5 x 106.5 mm) |
Trip |
4.193 in (106.5 mm) |
3 |
70 °C (158 °F) |
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|
|
TE Connectivity |
Thermal Circuit Breaker |
Panel Mount |
250 V |
50 V |
10 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 |
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|
|
Legrand |
Thermal Magnetic Circuit Breaker |
DIN Rail Mount |
400 V |
25 A |
Snap On |
-25 °C (-13 °F) |
50 kA |
Toggle Handle |
Bulk |
4.106 in (104.3 mm) |
2.102 in (53.4 mm) |
Manual On/Off |
3.11 in (79 mm) |
IEC |
2 |
70 °C (158 °F) |
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|
E-t-a Elektrotechnische Apparate |
Thermal Circuit Breaker |
Panel Mount |
115 V |
28 V |
45 A |
Screw |
-55 °C (-67 °F) |
6 kA |
Push-Pull |
1.26 in (32 mm) |
0.748 in (19 mm) |
Corrosion/Moisture Resistant; IP00; IP40 |
Tease-Free And Trip-Free |
1.929 in (49 mm) |
CSA; UL |
1 |
75 °C (167 °F) |
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|
E-t-a Elektrotechnische Apparate |
Thermal Circuit Breaker |
Panel Mount |
115 V |
28 V |
80 A |
Screw |
-55 °C (-67 °F) |
6 kA |
Push-Pull |
1.26 in (32 mm) |
0.748 in (19 mm) |
Corrosion/Moisture Resistant; IP00; IP40 |
Tease-Free And Trip-Free |
1.929 in (49 mm) |
CSA; UL |
1 |
75 °C (167 °F) |
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|
E-t-a Elektrotechnische Apparate |
Thermal Circuit Breaker |
Panel Mount |
28 V |
60 A |
Screw |
-55 °C (-67 °F) |
6 kA |
Push-Pull |
1.26 in (32 mm) |
0.748 in (19 mm) |
Corrosion/Moisture Resistant; IP00; IP40 |
Trip Free |
1.929 in (49 mm) |
CSA; UL |
1 |
75 °C (167 °F) |
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|
Legrand |
Thermal Circuit Breaker |
DIN Rail Mount |
400 V |
40 A |
Snap On |
-25 °C (-13 °F) |
50 kA |
Handle |
Bulk |
6.496 in (165 mm) |
5.512 in (140 mm) |
Trip |
3.937 in (100 mm) |
IEC |
4 |
70 °C (158 °F) |
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|
Legrand |
Thermal Magnetic Circuit Breaker |
Panel Mount |
400 V |
250 A |
Screw |
-25 °C (-13 °F) |
50 kA |
Toggle Handle |
Bulk |
10.236 in (260 mm) |
7.205 in (183 mm) |
Trip |
5.669 in (144 mm) |
IEC |
4 |
70 °C (158 °F) |
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|
|
Schurter Ag |
Thermal Circuit Breaker |
Panel Mount |
277 V |
28 V |
20 A |
Quick Connect |
-5 °C (23 °F) |
1 kA |
Reset Type |
Bulk |
1.22 in (31 mm) |
0.453 in (11.5 mm) |
IP40 |
Trip Free |
1.772 in (45 mm) |
CCC; CSA; GB; IEC; UL; VDE |
1 |
60 °C (140 °F) |
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|
|
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) |
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|
|
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) |
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|
E-t-a Elektrotechnische Apparate |
Thermal Circuit Breaker |
Panel Mount |
72 V |
50 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) |
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|
E-t-a Elektrotechnische Apparate |
Thermal Circuit Breaker |
Panel Mount |
115 V |
28 V |
20 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 |
Tease-Free And Trip-Free |
1.22 in (31 mm) |
1 |
125 °C (257 °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 |
Equipment Leakage Circuit Breaker |
-25 °C (-13 °F) |
55 °C (131 °F) |
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|
|
Siemens |
Thermal Circuit Breaker |
DIN Rail Mount |
400 V |
60 V |
10 A |
Snap On |
-25 °C (-13 °F) |
6 kA |
3.543 in (90 mm) |
0.709 in (18 mm) |
IP20; Sealed |
3.543 x 0.709 x 2.992 in (90 x 18 x 76 mm) |
Trip |
2.992 in (76 mm) |
CE; CEBEC; TSE; VDE |
1 |
45 °C (113 °F) |
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|
|
Siemens |
Equipment Leakage Circuit Breaker |
DIN Rail Mount |
230 V |
25 A |
Screw And Snap On |
10 kA |
Handle |
3.543 in (90 mm) |
1.417 in (36 mm) |
IP20 |
3.543 x 1.417 x 3.031 in (90 x 36 x 77 mm) |
Trip |
3.031 in (77 mm) |
2 |
70 °C (158 °F) |
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|
|
Siemens |
Equipment Leakage Circuit Breaker |
DIN Rail Mount |
230 V |
10 A |
Screw And Snap On |
10 kA |
Handle |
3.543 in (90 mm) |
1.417 in (36 mm) |
IP20 |
3.543 x 1.417 x 3.031 in (90 x 36 x 77 mm) |
Trip |
3.031 in (77 mm) |
2 |
70 °C (158 °F) |
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|
|
Siemens |
Equipment Leakage Circuit Breaker |
DIN Rail Mount |
230 V |
13 A |
Snap On |
-25 °C (-13 °F) |
10 kA |
Bulk |
3.543 in (90 mm) |
1.417 in (36 mm) |
IP20 |
Trip |
3.031 in (77 mm) |
CCC; CE; IMQ; RCM; VDE |
2 |
55 °C (131 °F) |
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|
|
Siemens |
Equipment Leakage Circuit Breaker |
DIN Rail Mount |
230 V |
32 A |
Screw And Snap On |
10 kA |
Handle |
3.543 in (90 mm) |
1.417 in (36 mm) |
IP20 |
3.543 x 1.417 x 3.031 in (90 x 36 x 77 mm) |
Trip |
3.031 in (77 mm) |
2 |
70 °C (158 °F) |
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|
|
Siemens |
Equipment Leakage Circuit Breaker |
DIN Rail Mount |
230 V |
13 A |
Screw And Snap On |
6 kA |
Handle |
3.543 in (90 mm) |
1.417 in (36 mm) |
IP20 |
3.543 x 1.417 x 3.031 in (90 x 36 x 77 mm) |
Trip |
3.031 in (77 mm) |
2 |
70 °C (158 °F) |
|||||||||||
|
|
Siemens |
Equipment Leakage Circuit Breaker |
DIN Rail Mount |
230 V |
25 A |
Screw And Snap On |
6 kA |
Handle |
3.543 in (90 mm) |
1.417 in (36 mm) |
IP20 |
3.543 x 1.417 x 3.031 in (90 x 36 x 77 mm) |
Trip |
3.031 in (77 mm) |
2 |
70 °C (158 °F) |
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|
|
Siemens |
Equipment Leakage Circuit Breaker |
DIN Rail Mount |
400 V |
40 A |
Screw And Snap On |
10 kA |
Handle |
3.543 in (90 mm) |
2.835 in (72 mm) |
IP20 |
3.543 x 2.835 x 2.756 in (90 x 72 x 70 mm) |
Trip |
2.756 in (70 mm) |
4 |
70 °C (158 °F) |
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|
|
Siemens |
Equipment Leakage Circuit Breaker |
DIN Rail Mount |
230 V |
25 A |
Snap On |
-25 °C (-13 °F) |
10 kA |
3.535 in (89.8 mm) |
1.409 in (35.8 mm) |
IP20 |
3.535 x 1.409 x 2.764 in (89.8 x 35.8 x 70.2 mm) |
Trip |
2.764 in (70.2 mm) |
CCC; CE; IMQ |
2 |
45 °C (113 °F) |
Instantaneous |
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|
|
Siemens |
Thermal Magnetic Circuit Breaker |
DIN Rail Mount |
277 V |
10 A |
Snap On |
-25 °C (-13 °F) |
5 kA |
Handle |
3.543 in (90 mm) |
0.709 in (18 mm) |
3.543 x 0.709 x 2.992 in (90 x 18 x 76 mm) |
Trip |
2.992 in (76 mm) |
CE; CSA; EN; UL |
1 |
45 °C (113 °F) |
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|
|
Siemens |
Thermal Magnetic Circuit Breaker |
DIN Rail Mount |
400 V |
63 A |
Snap On |
10 kA |
3.535 in (89.8 mm) |
2.079 in (52.8 mm) |
IP20 |
3.535 x 2.079 x 2.992 in (89.8 x 52.8 x 76 mm) |
Trip |
2.992 in (76 mm) |
CCC; CE; IMQ; RCM; UL; VDE |
3 |
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|
Weidmueller & Kg |
Thermal Magnetic Circuit Breaker |
DIN Rail Mount |
250 V |
80 V |
200 mA |
Snap On |
-30 °C (-22 °F) |
200 A |
Rated breaking capacity at 65 VDC: 200 A |
Push To Reset |
3.15 in (80 mm) |
0.984 in (25 mm) |
Corrosion Resistant; Moisture Resistant |
3.15 x 0.984 x 2.087 in (80 x 25 x 53 mm) |
Trip |
2.087 in (53 mm) |
CSA; UL; VDE |
2 |
55 °C (131 °F) |
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|
|
Phoenix Contact |
Thermal Magnetic Circuit Breaker |
915031 |
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|
|
Schneider Electric Sa |
Thermal Magnetic Circuit Breaker |
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|
|
Schneider Electric Sa |
Thermal Magnetic Circuit Breaker |
DIN Rail Mount |
440 V |
500 V |
100 A |
Snap On |
-25 °C (-13 °F) |
6 kA |
Rated breaking capacity at 500 VDC: 10000 A |
Toggle Handle |
Bulk |
4.252 in (108 mm) |
3.189 in (81 mm) |
IP20 |
Trip |
2.874 in (73 mm) |
EN; IEC |
4 |
70 °C (158 °F) |
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|
|
Schneider Electric Sa |
Equipment Leakage Circuit Breaker |
DIN Rail Mount |
415 V |
25 A |
Snap On |
-5 °C (23 °F) |
1.5 kA |
Toggle |
3.583 in (91 mm) |
2.835 in (72 mm) |
IP20; IP40 |
3.583 x 2.835 x 2.894 in (91 x 72 x 73.5 mm) |
Trip |
2.894 in (73.5 mm) |
EN/IEC |
4 |
60 °C (140 °F) |
Instantaneous |
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|
|
Schneider Electric Sa |
Equipment Leakage Circuit Breaker |
DIN Rail Mount |
415 V |
63 A |
Snap On |
-5 °C (23 °F) |
1.5 kA |
Toggle |
3.583 in (91 mm) |
2.835 in (72 mm) |
IP20; IP40 |
3.583 x 2.835 x 2.894 in (91 x 72 x 73.5 mm) |
Trip |
2.894 in (73.5 mm) |
EN/IEC |
4 |
60 °C (140 °F) |
Instantaneous |
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|
|
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) |
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|
|
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) |
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|
|
Schneider Electric Sa |
Equipment Leakage Circuit Breaker |
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|
|
Carling Technologies |
Magnetic Circuit Breaker |
Panel Mount |
277 V |
20 A |
Quick Connect |
-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) |
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|
|
Carling Technologies |
Magnetic Circuit Breaker |
Panel Mount |
277 V |
20 A |
Quick Connect |
-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) |
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|
|
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 |
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) |
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|
|
Carling Technologies |
Magnetic Circuit Breaker |
Panel Mount |
277 V |
80 V |
15 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 |
277 V |
80 V |
15 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 |
277 V |
80 V |
15 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 |
277 V |
80 V |
15 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) |
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|
|
Carling Technologies |
Magnetic Circuit Breaker |
Panel Mount |
277 V |
30 A |
Screw |
-40 °C (-40 °F) |
5 kA |
Standards: MIL-PRF-55629, MIL-STD-202 |
Handle |
2 in (50.8 mm) |
1.515 in (38.48 mm) |
Corrosion/Moisture Resistant |
Series Trip |
1.64 in (41.66 mm) |
CSA; UL |
2 |
85 °C (185 °F) |
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|
|
Carling Technologies |
Magnetic Circuit Breaker |
Panel Mount |
250 V |
80 V |
1 A |
Screw |
-40 °C (-40 °F) |
1 kA |
Standards: MIL-PRF-55629, MIL-STD-202 |
Rocker |
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 |
80 V |
1 A |
Screw |
-40 °C (-40 °F) |
7.5 kA |
Standards: MIL-PRF-55629, MIL-STD-202 |
Rocker |
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 |
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.