| 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 |
240 V |
50 V |
50 A |
Screw |
1 kA |
6 s |
Push-Pull |
1.384 in (35.15 mm) |
0.69 in (17.53 mm) |
Corrosion/Environment/Moisture Resistant |
Series Trip |
1.6 in (40.64 mm) |
CSA; UL |
1 |
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|
TE Connectivity |
Magnetic Circuit Breaker |
Panel Mount |
65 V |
50 A |
Screw |
2.2 s |
Toggle |
Series Trip |
1 |
||||||||||||||||||
|
E-t-a Elektrotechnische Apparate |
Thermal Circuit Breaker |
Panel Mount |
115 V |
28 V |
50 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 |
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) |
|||||||||||
|
|
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 |
|||||||
|
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 |
|||||||||||||
|
|
Legrand |
Thermal Magnetic Circuit Breaker |
DIN Rail Mount |
400 V |
50 A |
Snap On |
-25 °C (-13 °F) |
50 kA |
Toggle Handle |
Bulk |
4.106 in (104.3 mm) |
3.154 in (80.1 mm) |
Manual On/Off |
3.11 in (79 mm) |
IEC |
3 |
70 °C (158 °F) |
||||||||||
|
Carling Technologies |
Magnetic Circuit Breaker |
Panel Mount |
250 V |
50 A |
Stud |
-40 °C (-40 °F) |
5 kA |
Rocker |
2.5 in (63.5 mm) |
1.515 in (38.48 mm) |
Corrosion/Moisture Resistant |
Series Trip |
2.16 in (54.86 mm) |
CSA; UL; VDE |
2 |
85 °C (185 °F) |
|||||||||||
|
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) |
|||||||||||
|
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) |
|||||||||||
|
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) |
||||||||||||
|
|
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) |
||||||||||
|
|
Schneider Electric Sa |
Thermal Magnetic Circuit Breaker |
DIN Rail And Panel Mount |
690 V |
50 A |
Screw And Snap On |
-20 °C (-4 °F) |
6 kA |
Reference standard: UL |
Rotary Handle |
Bulk |
5.197 in (132 mm) |
2.165 in (55 mm) |
IK09; IP20 |
Trip |
5.354 in (136 mm) |
ABS; ATEX; BV; CSA; CCC; DNV-GL; EAC; EN; IEC; LR0S; UKCA |
3 |
60 °C (140 °F) |
||||||||
|
E-t-a Elektrotechnische Apparate |
Thermal Circuit Breaker |
Panel Mount |
115 V |
28 V |
50 A |
Screw |
-55 °C (-67 °F) |
5 kA |
Push Button |
1.22 in (31 mm) |
0.709 in (18 mm) |
Corrosion/Moisture Resistant; IP00; IP40 |
Trip Free |
1.89 in (48 mm) |
BW; CSA; UL |
1 |
75 °C (167 °F) |
||||||||||
|
|
Phoenix Contact |
Thermal Magnetic Circuit Breaker |
DIN Rail Mount |
240 V |
50 A |
Screw |
-35 °C (-31 °F) |
10 kA |
Handle |
Bulk |
4.567 in (116 mm) |
2.083 in (52.9 mm) |
Trip |
2.587 in (65.7 mm) |
CUL; TUV; UL |
3 |
70 °C (158 °F) |
||||||||||
|
E-t-a Elektrotechnische Apparate |
Thermal Circuit Breaker |
Panel Mount |
115 V |
28 V |
50 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) |
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.