| 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
E-t-a Elektrotechnische Apparate |
Thermal Circuit Breaker |
Panel Mount |
250 V |
50 V |
6 A |
Quick Connect |
-30 °C (-22 °F) |
6 A |
Rocker |
2.205 in (56 mm) |
0.827 in (21 mm) |
Corrosion Resistant |
2.205 x 0.827 x 1.299 in (56 x 21 x 33 mm) |
Manual On/Off |
1.299 in (33 mm) |
CCC; CSA; UL; VDE |
2 |
60 °C (140 °F) |
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|
Altech |
Thermal Magnetic Circuit Breaker |
DIN Rail Mount |
277 V |
6 A |
Snap On |
-25 °C (-13 °F) |
10 kA |
Toggle |
Bulk |
4.146 in (105.3 mm) |
0.689 in (17.5 mm) |
Trip |
2.693 in (68.4 mm) |
CE, CUL, UL |
1 |
55 °C (131 °F) |
|||||||||||
|
Altech |
Thermal Magnetic Circuit Breaker |
DIN Rail Mount |
240 V |
6 A |
Snap On |
-25 °C (-13 °F) |
10 kA |
Toggle Handle |
Bulk |
4.146 in (105.3 mm) |
1.378 in (35 mm) |
Trip |
2.693 in (68.4 mm) |
CE, CUL, UL |
2 |
55 °C (131 °F) |
|||||||||||
|
|
E-t-a Elektrotechnische Apparate |
Thermal Circuit Breaker |
Panel Mount |
250 V |
72 V |
6 A |
Quick Connect |
-20 °C (-4 °F) |
2 kA |
Push Button |
1.921 in (48.8 mm) |
0.323 in (8.2 mm) |
IP00; IP40 |
0.961 x 0.323 x 1.921 in (24.4 x 8.2 x 48.8 mm) |
Trip Free |
0.961 in (24.4 mm) |
CQC; CSA; EN; IEC; UL; VDE |
1 |
60 °C (140 °F) |
||||||||
|
|
Omron |
Magnetic Circuit Breaker |
DIN Rail And Panel Mount |
690 V |
6 A |
Screw |
-20 °C (-4 °F) |
100 kA |
Manual On/Off |
3.366 in (85.5 mm) |
1.772 in (45 mm) |
IP20 |
3.366 x 1.772 x 3.858 in (85.5 x 45 x 98 mm) |
Under Voltage Release |
3.858 in (98 mm) |
CSA; UL |
3 |
60 °C (140 °F) |
|||||||||
|
|
Siemens |
Thermal Circuit Breaker |
DIN Rail Mount |
400 V |
6 A |
Snap On |
-25 °C (-13 °F) |
14 kA |
5SJ4106-7HG41 |
ENVIRONMENTAL CHARACTERISTICS: IP20; IP40; SEALED |
4.283 in (108.8 mm) |
0.693 in (17.6 mm) |
Environment/Moisture Resistant |
4.283 x 0.693 x 2.748 in (108.8 x 17.6 x 69.8 mm) |
Trip |
2.748 in (69.8 mm) |
CCC; CE; EAC; UL; VDE |
1 |
55 °C (131 °F) |
||||||||
|
|
Siemens |
Thermal Circuit Breaker |
DIN Rail Mount |
400 V |
6 A |
Snap On |
-25 °C (-13 °F) |
5 kA |
5SY4106-7 |
Environmental Characteristics: IP20; Sealed |
3.535 in (89.8 mm) |
0.693 in (17.6 mm) |
Environment/Moisture Resistant |
3.535 x 0.693 x 2.764 in (89.8 x 17.6 x 70.2 mm) |
Trip |
2.764 in (70.2 mm) |
CE; EAC; IMQ; KTL; UL; VDE |
1 |
55 °C (131 °F) |
||||||||
|
|
Eaton Corporation |
Thermal Magnetic Circuit Breaker |
DIN Rail Mount |
277 V |
48 V |
6 A |
Snap On |
-25 °C (-13 °F) |
15 kA |
Rated breaking capacity at 400 VAC |
IP20; IP40 |
Trip |
CE; CSA; EN; IEC; UL |
2 |
75 °C (167 °F) |
||||||||||||
|
|
Siemens |
Thermal Magnetic Circuit Breaker |
DIN Rail Mount |
400 V |
60 V |
6 A |
Snap On |
-25 °C (-13 °F) |
Interrupting current max: 14000 A as per UL/CSA |
Handle |
3.535 in (89.8 mm) |
0.693 in (17.6 mm) |
IP20; IP40; Sealed |
3.535 x 0.693 x 3.031 in (89.8 x 17.6 x 77 mm) |
Trip |
3.031 in (77 mm) |
CCC; CE; UL; VDE |
1 |
55 °C (131 °F) |
||||||||
|
|
Siemens |
Thermal Magnetic Circuit Breaker |
DIN Rail Mount |
400 V |
6 A |
Snap On |
10 kA |
3.535 in (89.8 mm) |
1.386 in (35.2 mm) |
IP20 |
3.535 x 1.386 x 2.992 in (89.8 x 35.2 x 76 mm) |
Trip |
2.992 in (76 mm) |
CCC; CE; IMQ; RCM; UL; VDE |
2 |
||||||||||||
|
|
Phoenix Contact |
Thermal Magnetic Circuit Breaker |
DIN Rail Mount |
277 V |
60 V |
6 A |
Snap On |
-35 °C (-31 °F) |
5 kA |
RATED BREAKING CAPACITY AT 60 VDC: 7500 A |
Toggle |
Bulk |
3.205 in (81.4 mm) |
0.693 in (17.6 mm) |
IP20 |
Trip |
2.37 in (60.2 mm) |
CUL; IEC 60947-2; TUV; UL |
1 |
70 °C (158 °F) |
|||||||
|
|
E-t-a Elektrotechnische Apparate |
Thermal Circuit Breaker |
Panel Mount |
240 V |
50 V |
6 A |
Quick Connect |
-30 °C (-22 °F) |
5 kA |
Rated breaking capacity at 50 VDC: 1000 A |
Rocker |
Corrosion/Moisture Resistant; IP00; IP40 |
Manual On/Off |
CCC; CE; CSA; CQC; KTL; UL; VDE |
2 |
60 °C (140 °F) |
|||||||||||
|
|
Phoenix Contact |
Thermal Magnetic Circuit Breaker |
DIN Rail Mount |
277 V |
125 V |
6 A |
Snap On |
-35 °C (-31 °F) |
Handle |
Bulk |
3.378 in (85.8 mm) |
0.354 in (9 mm) |
Trip |
2.587 in (65.7 mm) |
CUL; UL |
1 |
70 °C (158 °F) |
||||||||||
|
E-t-a Elektrotechnische Apparate |
Thermal Circuit Breaker |
Inline/Holder |
32 V |
6 A |
Tab/Blade |
-40 °C (-40 °F) |
150 A |
Push To Reset |
0.787 in (20 mm) |
0.236 in (6 mm) |
Corrosion Resistant; IP00; IP30; IP54 |
Trip Free |
0.945 in (24 mm) |
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.