2 A Circuit Breaker 20
| 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 |
Through Hole Mount |
240 V |
28 V |
2 A |
Printed Circuit Board |
-20 °C (-4 °F) |
Silver |
2 kA |
Rated breaking capacity at 50 VDC: 200 A |
Reset Slide |
1.102 in (28 mm) |
0.354 in (9 mm) |
Corrosion Resistant |
e4 |
1.102 x 0.354 x 0.425 in (28 x 9 x 10.8 mm) |
0.425 in (10.8 mm) |
CSA; UL; VDE |
1 |
70 °C (158 °F) |
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|
|
Siemens |
Thermal Circuit Breaker |
Panel Mount |
400 V |
2 A |
Screw |
-25 °C (-13 °F) |
10 kA |
5SY |
Sealed Bat |
3.543 in (90 mm) |
0.709 in (18 mm) |
IP20 |
3.543 x 0.709 x 2.756 in (90 x 18 x 70 mm) |
Under Voltage Release |
2.756 in (70 mm) |
CCC; CUL; EN; GOST; IMQ; UL; VDE |
1 |
45 °C (113 °F) |
Standard |
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|
Altech |
Thermal Magnetic Circuit Breaker |
DIN Rail Mount |
277 V |
80 V |
2 A |
Screw And Snap On |
-25 °C (-13 °F) |
10 kA |
Handle |
Bulk |
3.516 in (89.3 mm) |
1.378 in (35 mm) |
IP20 |
Under Voltage Release |
2.693 in (68.4 mm) |
CSA; UL; VDE |
2 |
55 °C (131 °F) |
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|
Altech |
Thermal Magnetic Circuit Breaker |
DIN Rail Mount |
480 V |
2 A |
Snap On |
-25 °C (-13 °F) |
10 kA |
Toggle Handle |
Bulk |
3.516 in (89.3 mm) |
2.067 in (52.5 mm) |
Trip |
2.693 in (68.4 mm) |
CE, CUL, UL |
3 |
55 °C (131 °F) |
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|
|
E-t-a Elektrotechnische Apparate |
Thermal Circuit Breaker |
Panel Mount |
250 V |
50 V |
2 A |
Quick Connect |
-20 °C (-4 °F) |
1 kA |
ENVIRONMENTAL CHARACTERISTICS: IP40; IP00 |
Push Button |
0.748 in (19 mm) |
0.52 in (13.2 mm) |
Corrosion Resistant; Moisture Resistant |
0.748 x 0.52 x 1.87 in (19 x 13.2 x 47.5 mm) |
Tease-Free And Trip-Free |
1.87 in (47.5 mm) |
CBE; CSA; IEC; UL; VDE |
1 |
60 °C (140 °F) |
Medium |
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|
|
Carling Technologies |
Magnetic Circuit Breaker |
Panel Mount |
277 V |
2 A |
Screw |
-40 °C (-40 °F) |
5 kA |
Standards: MIL-PRF-55629, MIL-STD-202 |
Toggle |
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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|
|
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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|
|
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) |
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|
|
Siemens |
Thermal Magnetic Circuit Breaker |
DIN Rail Mount |
690 V |
2 A |
Snap On |
-20 °C (-4 °F) |
10 kA |
Interrupting current max at 450 VDC: 10000 A |
Handle |
3.819 in (97 mm) |
1.772 in (45 mm) |
IP20 |
3.819 x 1.772 x 3.815 in (97 x 45 x 96.9 mm) |
Trip |
3.815 in (96.9 mm) |
ATEX; CCC; CE; CSA; EAC; IECEX; KC; UL; VDE |
3 |
60 °C (140 °F) |
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|
|
Siemens |
Thermal Magnetic Circuit Breaker |
DIN Rail Mount |
690 V |
2 A |
Snap On |
-20 °C (-4 °F) |
10 kA |
Interrupting current max at 450 VDC: 10000 A |
Handle |
3.819 in (97 mm) |
1.772 in (45 mm) |
IP20 |
3.819 x 1.772 x 3.815 in (97 x 45 x 96.9 mm) |
Trip |
3.815 in (96.9 mm) |
ATEX; CCC; CE; CSA; EAC; IECEX; KC; UL; VDE |
3 |
60 °C (140 °F) |
Instantaneous |
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|
E-t-a Elektrotechnische Apparate |
Thermal Circuit Breaker |
Through Hole Mount |
250 V |
48 V |
2 A |
Solder |
-20 °C (-4 °F) |
2 kA |
Push To Reset |
1.087 in (27.6 mm) |
0.756 in (19.2 mm) |
Corrosion/Moisture Resistant; IP00; IP40 |
Trip Free |
0.433 in (11 mm) |
CSA; UL |
1 |
60 °C (140 °F) |
||||||||||
|
|
Siemens |
Thermal Magnetic Circuit Breaker |
DIN Rail Mount |
277 V |
2 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 |
2 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 |
||||||||||||
|
|
Siemens |
Thermal Magnetic Circuit Breaker |
DIN Rail Mount |
400 V |
2 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 |
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|
|
Phoenix Contact |
Thermal Magnetic Circuit Breaker |
DIN Rail Mount |
277 V |
125 V |
2 A |
Screw And Snap On |
-35 °C (-31 °F) |
5 kA |
Interrupting current max(DC): 7500 A |
Bulk |
3.205 in (81.4 mm) |
1.39 in (35.3 mm) |
IP20 |
2.587 in (65.7 mm) |
CUL; IEC 60947-2; UL |
2 |
70 °C (158 °F) |
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|
|
Phoenix Contact |
Thermal Magnetic Circuit Breaker |
DIN Rail Mount |
277 V |
60 V |
2 A |
Screw And Snap On |
-35 °C (-31 °F) |
5 kA |
Interrupting current max(DC): 7500 A |
Bulk |
3.205 in (81.4 mm) |
0.693 in (17.6 mm) |
IP20 |
2.587 in (65.7 mm) |
CUL; IEC 60947-2; UL |
1 |
70 °C (158 °F) |
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|
E-t-a Elektrotechnische Apparate |
Thermal Circuit Breaker |
Panel Mount |
200 V |
28 V |
2 A |
Screw |
-55 °C (-67 °F) |
1 kA |
Rated breaking capacity at 28 VDC: 6000 A |
Push-Pull |
1.89 in (48 mm) |
0.78 in (19.8 mm) |
Corrosion/Moisture Resistant; IP00; IP40 |
Trip Free |
1.496 in (38 mm) |
BW; QPL |
3 |
125 °C (257 °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 |
Corrosion/Moisture Resistant; IP00; IP40 |
Manual On/Off |
CCC; CE; CSA; CQC; KTL; UL; VDE |
2 |
60 °C (140 °F) |
|||||||||||
|
E-t-a Elektrotechnische Apparate |
Thermal Circuit Breaker |
Panel Mount |
240 V |
28 V |
2 A |
Quick Connect |
-20 °C (-4 °F) |
20 A |
Rocker |
2.008 in (51 mm) |
0.945 in (24 mm) |
Corrosion Resistant; IP00; IP66 |
Manual On/Off |
1.142 in (29 mm) |
UL; VDE |
1 |
60 °C (140 °F) |
||||||||||
|
|
E-t-a Elektrotechnische Apparate |
Thermal Circuit Breaker |
Panel Mount |
230 V |
2 A |
Quick Connect |
-30 °C (-22 °F) |
5 kA |
Rated breaking capacity at 50 VDC: 1000 A |
Rocker |
Corrosion Resistant; IP00; IP40 |
Manual On/Off |
CCC; CE; CSA; CQC; KTL; UKCA; UL; VDE |
2 |
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.