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 |
480 V |
150 V |
25 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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Carling Technologies |
Magnetic Circuit Breaker |
Panel Mount |
480 V |
150 V |
25 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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Carling Technologies |
Magnetic Circuit Breaker |
Panel Mount |
480 V |
150 V |
15 A |
Stud |
-40 °C (-40 °F) |
10 kA |
Handle |
1.85 in (47 mm) |
1.515 in (38.48 mm) |
Series Trip |
2.5 in (63.5 mm) |
UL |
2 |
85 °C (185 °F) |
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Carling Technologies |
Magnetic Circuit Breaker |
Panel Mount |
480 V |
150 V |
15 A |
Stud |
-40 °C (-40 °F) |
10 kA |
Handle |
1.85 in (47 mm) |
1.515 in (38.48 mm) |
Series Trip |
2.5 in (63.5 mm) |
UL |
2 |
85 °C (185 °F) |
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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 |
480 V |
150 V |
35 A |
Stud |
-40 °C (-40 °F) |
10 kA |
Handle |
1.85 in (47 mm) |
1.515 in (38.48 mm) |
Series Trip |
2.5 in (63.5 mm) |
UL |
2 |
85 °C (185 °F) |
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Carling Technologies |
Magnetic Circuit Breaker |
Panel Mount |
250 V |
15 A |
Stud |
-40 °C (-40 °F) |
3 kA |
Handle |
2.5 in (63.5 mm) |
2.265 in (57.53 mm) |
Corrosion/Moisture Resistant |
Series Trip |
1.85 in (47 mm) |
CSA, UL |
3 |
85 °C (185 °F) |
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|
Carling Technologies |
Magnetic Circuit Breaker |
Panel Mount |
277 V |
15 A |
Screw |
-40 °C (-40 °F) |
5 kA |
Toggle Handle |
3.612 in (91.75 mm) |
2.265 in (57.53 mm) |
Moisture Resistant |
Series Trip |
2.165 in (54.99 mm) |
CSA; UL |
3 |
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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|
E-t-a Elektrotechnische Apparate |
Equipment Leakage Circuit Breaker |
Panel Mount |
24 V |
3 A |
Quick Connect |
0 °C (32 °F) |
Manual On/Off |
2.362 in (60 mm) |
0.484 in (12.3 mm) |
Moisture Resistant; IP00; IP30 |
Trip |
2.756 in (70 mm) |
CSA; CUL; DNVGL; UL |
1 |
50 °C (122 °F) |
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|
Sensata Technologies |
Magnetic Circuit Breaker |
Panel Mount |
240 V |
15 A |
Screw |
5 kA |
Toggle Handle |
2.49 in (63.24 mm) |
1.515 in (38.48 mm) |
Corrosion/Moisture Resistant |
Trip Free |
1.859 in (47.22 mm) |
CCC; VDE |
2 |
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|
Sensata Technologies |
Magnetic Circuit Breaker |
Panel Mount |
240 V |
20 A |
Screw |
5 kA |
Toggle Handle |
2.49 in (63.24 mm) |
1.515 in (38.48 mm) |
Corrosion/Moisture Resistant |
Trip Free |
1.859 in (47.22 mm) |
CCC; VDE |
2 |
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|
Sensata Technologies |
Magnetic Circuit Breaker |
Panel Mount |
240 V |
10 A |
Screw |
5 kA |
Toggle Handle |
2.49 in (63.24 mm) |
1.515 in (38.48 mm) |
Corrosion/Moisture Resistant |
Trip Free |
1.859 in (47.22 mm) |
CCC; VDE |
2 |
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|
Sensata Technologies |
Magnetic Circuit Breaker |
Panel Mount |
125 V |
35 A |
Screw |
5 kA |
Toggle Handle |
2.49 in (63.24 mm) |
2.265 in (57.53 mm) |
Corrosion/Moisture Resistant |
Trip Free |
1.859 in (47.22 mm) |
3 |
|||||||||||||
Carling Technologies |
Magnetic Circuit Breaker |
Panel Mount |
50 V |
30 A |
Screw |
-40 °C (-40 °F) |
3 kA |
Standards: MIL-PRF-55629, MIL-STD-202 |
Toggle |
1.375 in (34.93 mm) |
0.656 in (16.66 mm) |
IP68 |
Series Trip |
1.634 in (41.5 mm) |
1 |
85 °C (185 °F) |
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Carling Technologies |
Magnetic Circuit Breaker |
Panel Mount |
50 V |
30 A |
Screw |
-40 °C (-40 °F) |
3 kA |
Standards: MIL-PRF-55629, MIL-STD-202 |
Toggle |
1.375 in (34.93 mm) |
0.656 in (16.66 mm) |
IP68 |
Series Trip |
1.634 in (41.5 mm) |
1 |
85 °C (185 °F) |
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Carling Technologies |
Magnetic Circuit Breaker |
Panel Mount |
50 V |
30 A |
Screw |
-40 °C (-40 °F) |
3 kA |
Standards: MIL-PRF-55629, MIL-STD-202 |
Toggle |
1.375 in (34.93 mm) |
0.656 in (16.66 mm) |
IP68 |
Series Trip |
1.634 in (41.5 mm) |
CSA; CUL; UL |
1 |
85 °C (185 °F) |
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|
Idec |
Magnetic Circuit Breaker |
Panel Mount |
250 V |
20 A |
Stud |
-40 °C (-40 °F) |
1 kA |
Lever |
2.48 in (63 mm) |
2.256 in (57.3 mm) |
Series Trip |
1.87 in (47.5 mm) |
CCC; CE; CUL; PSE; UL; VDE |
3 |
85 °C (185 °F) |
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Sensata Technologies |
Thermal Circuit Breaker |
Panel Mount |
28 V |
120 A |
Screw |
3 kA |
Automatic Reset |
3.187 in (80.95 mm) |
1.891 in (48.03 mm) |
Sealed |
Trip Free |
1.625 in (41.28 mm) |
CCC |
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Sensata Technologies |
Thermal Circuit Breaker |
Panel Mount |
120 V |
30 V |
40 A |
Screw |
Push Button |
2 in (50.8 mm) |
1.159 in (29.44 mm) |
Trip |
1.145 in (29.08 mm) |
UL |
|||||||||||||||
Sensata Technologies |
Thermal Circuit Breaker |
Panel Mount |
30 V |
10 A |
Screw |
600 A |
Automatic Reset |
Trip Free |
UL |
||||||||||||||||||
|
Nte Electronics |
Thermal Circuit Breaker |
Panel Mount |
250 V |
50 V |
1 A |
Quick Connect |
1 kA |
Rated breaking capacity at 50 VDC: 2000 A |
Push Button |
1.375 in (34.93 mm) |
0.66 in (16.76 mm) |
Trip |
1.375 in (34.93 mm) |
CSA; UL |
1 |
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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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|
TE Connectivity |
Thermal Circuit Breaker |
Panel Mount |
250 V |
50 V |
15 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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|
TE Connectivity |
Magnetic Circuit Breaker |
Panel Mount |
277 V |
3 A |
Quick Connect |
-40 °C (-40 °F) |
5 kA |
2.2 s |
Toggle |
2 in (50.8 mm) |
1.5 in (38.1 mm) |
Fungus Resistant; Moisture Resistant |
2 x 1.5 x 1.64 in (50.8 x 38.1 x 41.66 mm) |
Series Trip |
1.64 in (41.66 mm) |
CSA; UL |
2 |
85 °C (185 °F) |
Standard |
|||||||
|
TE Connectivity |
Magnetic Circuit Breaker |
Panel Mount |
277 V |
2 A |
Stud |
-40 °C (-40 °F) |
5 kA |
2.2 s |
Toggle |
2.5 in (63.5 mm) |
1.5 in (38.1 mm) |
Series Trip |
1.845 in (46.86 mm) |
1 |
85 °C (185 °F) |
|||||||||||
|
TE Connectivity |
Magnetic Circuit Breaker |
Panel Mount |
277 V |
15 A |
Stud |
-40 °C (-40 °F) |
5 kA |
150 ms |
Toggle |
2.5 in (63.5 mm) |
0.75 in (19.05 mm) |
Series Trip |
1.845 in (46.86 mm) |
1 |
85 °C (185 °F) |
|||||||||||
|
Carling Technologies |
Thermal Circuit Breaker |
Panel Mount |
250 V |
32 V |
20 A |
Quick Connect |
-10 °C (14 °F) |
1 kA |
Rated breaking capacity at 32 VDC: 2500 A |
Push To Reset |
1.154 in (29.3 mm) |
0.551 in (14 mm) |
Manual On/Off |
1.78 in (45.2 mm) |
1 |
60 °C (140 °F) |
||||||||||
|
Carling Technologies |
Magnetic Circuit Breaker |
Panel Mount |
240 V |
7.5 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; VDE |
3 |
85 °C (185 °F) |
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|
Eaton Corporation |
Equipment Leakage Circuit Breaker |
Panel Mount |
600 V |
125 V |
100 A |
Toggle Handle |
3.6 in (91.44 mm) |
2 in (50.8 mm) |
Manual On/Off |
5.8 in (147.32 mm) |
UL |
2 |
||||||||||||||
|
Phoenix Contact |
Thermal Circuit Breaker |
Panel Mount |
250 V |
65 V |
10 A |
Quick Connect |
-20 °C (-4 °F) |
80 A |
Push To Reset |
Bulk |
0.961 in (24.4 mm) |
0.323 in (8.2 mm) |
IP40 |
Trip |
1.752 in (44.5 mm) |
CCC; CSA; CUL; EAC; UL; VDE |
1 |
60 °C (140 °F) |
||||||||
|
TE Connectivity |
Magnetic Circuit Breaker |
Panel Mount |
277 V |
7 A |
Quick Connect |
-40 °C (-40 °F) |
5 kA |
2.2 s |
Toggle |
2 in (50.8 mm) |
1.5 in (38.1 mm) |
Fungus Resistant; Moisture Resistant |
2 x 1.5 x 1.64 in (50.8 x 38.1 x 41.66 mm) |
Series Trip |
1.64 in (41.66 mm) |
CSA; UL |
2 |
85 °C (185 °F) |
Standard |
|||||||
|
Eaton Corporation |
Thermal Magnetic Circuit Breaker |
Panel Mount |
690 V |
750 V |
160 A |
Screw |
-25 °C (-13 °F) |
5 kA |
Rocker Lever |
7.244 in (184 mm) |
4.134 in (105 mm) |
Corrosion Resistant; IP20; IP40 |
Trip |
5.866 in (149 mm) |
IEC |
3 |
70 °C (158 °F) |
|||||||||
|
TE Connectivity |
Thermal Circuit Breaker |
Panel Mount |
250 V |
50 V |
2 A |
Quick Connect |
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 |
||||||||||||
|
Phoenix Contact |
Thermal Circuit Breaker |
Panel Mount |
250 V |
65 V |
6 A |
Quick Connect |
-20 °C (-4 °F) |
48 A |
Push To Reset |
Bulk |
0.961 in (24.4 mm) |
0.323 in (8.2 mm) |
IP40 |
Trip |
1.752 in (44.5 mm) |
CCC; CSA; CUL; EAC; UL; VDE |
1 |
60 °C (140 °F) |
||||||||
|
Eaton Corporation |
Thermal Circuit Breaker |
Panel Mount |
600 V |
125 V |
100 A |
Toggle Handle |
3.6 in (91.44 mm) |
3 in (76.2 mm) |
Manual On/Off |
5.8 in (147.32 mm) |
UL |
3 |
||||||||||||||
Eaton Corporation |
Thermal Magnetic Circuit Breaker |
Panel Mount |
240 V |
20 A |
Screw |
10 kA |
Toggle Handle |
Bulk |
Trip |
CSA; UL |
2 |
||||||||||||||||
Eaton Corporation |
Thermal Circuit Breaker |
Panel Mount |
30 V |
90 A |
Screw |
-32 °C (-25.6 °F) |
Lever |
2.89 in (73.41 mm) |
1.9 in (48.26 mm) |
Trip |
1.44 in (36.58 mm) |
SAE; UL |
1 |
82 °C (179.6 °F) |
|||||||||||||
|
Eaton Corporation |
Thermal Circuit Breaker |
Panel Mount |
24 V |
30 A |
Tab/Blade |
-40 °C (-40 °F) |
450 A |
Push To Reset |
1.15 in (29.21 mm) |
0.36 in (9.14 mm) |
Manual Reset/Off |
0.92 in (23.37 mm) |
SAE |
1 |
85 °C (185 °F) |
|||||||||||
Eaton Corporation |
Magnetic Circuit Breaker |
Panel Mount |
250 V |
80 V |
5 A |
Screw |
-40 °C (-40 °F) |
5 kA |
Handle |
2.5 in (63.5 mm) |
0.75 in (19.05 mm) |
Series Trip |
2.146 in (54.51 mm) |
CSA; UL; TUV |
1 |
85 °C (185 °F) |
Medium |
||||||||||
Eaton Corporation |
Magnetic Circuit Breaker |
Panel Mount |
5 A |
Quick Connect |
KD |
Push Button |
0.63 in (16 mm) |
Moisture Resistant |
0.63 x 1.409 in (16 x 35.8 mm) |
1.409 in (35.8 mm) |
CSA; UL |
1 |
|||||||||||||||
|
Eaton Corporation |
Thermal Circuit Breaker |
Panel Mount |
690 V |
630 A |
Screw |
-25 °C (-13 °F) |
5 kA |
Rocker Lever |
10.827 in (275 mm) |
5.512 in (140 mm) |
Corrosion Resistant; IP20; IP40 |
Trip |
6.535 in (166 mm) |
IEC |
3 |
70 °C (158 °F) |
||||||||||
Eaton Corporation |
Thermal Circuit Breaker |
Panel Mount |
12 V |
30 A |
Stud |
-23 °C (-9.4 °F) |
Automatic Reset |
1.272 in (32.3 mm) |
0.831 in (21.1 mm) |
Water Resistant |
0.618 in (15.7 mm) |
SAE |
1 |
65 °C (149 °F) |
|||||||||||||
Eaton Corporation |
Thermal Circuit Breaker |
Panel Mount |
115 V |
24 V |
10 A |
Stud |
-23 °C (-9.4 °F) |
Manual Reset |
1.272 in (32.3 mm) |
0.831 in (21.1 mm) |
Water Resistant |
0.618 in (15.7 mm) |
SAE |
1 |
65 °C (149 °F) |
||||||||||||
|
Eaton Corporation |
Thermal Circuit Breaker |
Panel Mount |
48 V |
60 A |
Screw And Quick Connect |
-40 °C (-40 °F) |
1.5 kA |
Manual Reset |
2.271 in (57.68 mm) |
Weather Proof; IP66; |
2.289 in (58.15 mm) |
UL |
1 |
85 °C (185 °F) |
||||||||||||
Eaton Corporation |
Thermal Circuit Breaker |
Panel Mount |
24 V |
25 A |
Tab/Blade |
-40 °C (-40 °F) |
450 A |
Push To Reset |
1.15 in (29.21 mm) |
0.36 in (9.14 mm) |
Manual Reset/Off |
0.92 in (23.37 mm) |
SAE |
1 |
85 °C (185 °F) |
||||||||||||
Eaton Corporation |
Thermal Circuit Breaker |
Panel Mount |
32 V |
15 A |
Stud |
-40 °C (-40 °F) |
2.5 kA |
Push Button |
2.194 in (55.73 mm) |
1.457 in (37 mm) |
Fluid Resistant, IP66 |
Manual On/Off |
0.728 in (18.5 mm) |
UL |
2 |
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.