277 V Circuit Breaker 80
| 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 |
277 V |
20 A |
Quick Connect |
-40 °C (-40 °F) |
1.5 kA |
Toggle Handle |
2 in (50.8 mm) |
2.265 in (57.53 mm) |
Corrosion/Moisture Resistant |
Series Trip |
1.73 in (43.94 mm) |
CSA; UL; VDE |
3 |
85 °C (185 °F) |
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|
Carling Technologies |
Magnetic Circuit Breaker |
Panel Mount |
277 V |
25 A |
Screw |
-40 °C (-40 °F) |
5 kA |
Rocker |
2.5 in (63.5 mm) |
2.265 in (57.53 mm) |
Corrosion/Moisture Resistant |
Series Trip |
2.16 in (54.86 mm) |
CSA; UL |
3 |
85 °C (185 °F) |
|||||||||||
|
TE Connectivity |
Magnetic Circuit Breaker |
Panel Mount |
277 V |
10 A |
Quick Connect |
-40 °C (-40 °F) |
5 kA |
30 ms |
Toggle |
2 in (50.8 mm) |
1.5 in (38.1 mm) |
Series Trip |
1.64 in (41.66 mm) |
2 |
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) |
|||||||||||
|
|
TE Connectivity |
Magnetic Circuit Breaker |
Panel Mount |
277 V |
20 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) |
2 |
85 °C (185 °F) |
|||||||||||
|
|
TE Connectivity |
Magnetic Circuit Breaker |
Panel Mount |
277 V |
25 A |
Stud |
-40 °C (-40 °F) |
5 kA |
2.2 s |
Toggle |
2.5 in (63.5 mm) |
1.5 in (38.1 mm) |
2.5 x 1.5 x 2.001 in (63.5 x 38.1 x 50.82 mm) |
Series Trip |
2.001 in (50.82 mm) |
2 |
85 °C (185 °F) |
||||||||||
|
|
TE Connectivity |
Magnetic Circuit Breaker |
Panel Mount |
277 V |
3 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) |
2 |
85 °C (185 °F) |
|||||||||||
|
|
TE Connectivity |
Magnetic Circuit Breaker |
Panel Mount |
277 V |
15 A |
Stud |
-40 °C (-40 °F) |
5 kA |
2.2 s |
Toggle |
2.5 in (63.5 mm) |
2.25 in (57.15 mm) |
Series Trip |
1.845 in (46.86 mm) |
3 |
85 °C (185 °F) |
|||||||||||
|
|
TE Connectivity |
Magnetic Circuit Breaker |
Panel Mount |
277 V |
40 A |
Stud |
-40 °C (-40 °F) |
5 kA |
2.2 s |
Toggle |
2.5 in (63.5 mm) |
2.25 in (57.15 mm) |
Series Trip |
1.845 in (46.86 mm) |
3 |
85 °C (185 °F) |
|||||||||||
|
|
TE Connectivity |
Magnetic Circuit Breaker |
Panel Mount |
277 V |
20 A |
Stud |
-40 °C (-40 °F) |
5 kA |
2.2 s |
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) |
|||||||||||
|
|
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) |
|||||||||||
|
|
Phoenix Contact |
Thermal Magnetic Circuit Breaker |
DIN Rail Mount |
277 V |
60 V |
20 A |
Snap On |
-35 °C (-31 °F) |
10 kA |
Bulk |
4.567 in (116 mm) |
0.693 in (17.6 mm) |
2.665 in (67.7 mm) |
CUL; IEC-60947-2; UL |
1 |
70 °C (158 °F) |
|||||||||||
|
|
Eaton Corporation |
Thermal Magnetic Circuit Breaker |
DIN Rail Mount |
277 V |
48 V |
4 A |
Snap On |
-25 °C (-13 °F) |
15 kA |
Rated breaking capacity at 400 VAC |
IP20; IP40 |
Trip |
CE; CSA; EN; IEC; UL |
1 |
75 °C (167 °F) |
||||||||||||
|
|
Eaton Corporation |
Thermal Magnetic Circuit Breaker |
DIN Rail Mount |
277 V |
48 V |
5 A |
Snap On |
-25 °C (-13 °F) |
15 kA |
Rated breaking capacity at 400 VAC |
IP20; IP40 |
Trip |
CE; CSA; EN; IEC; UL |
1 |
75 °C (167 °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) |
||||||||||||
|
|
Eaton Corporation |
Thermal Magnetic Circuit Breaker |
DIN Rail Mount |
277 V |
48 V |
10 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) |
||||||||||||
|
|
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) |
||||||||||
|
|
Phoenix Contact |
Thermal Magnetic Circuit Breaker |
DIN Rail Mount |
277 V |
63 A |
Snap On |
-35 °C (-31 °F) |
7.5 kA |
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 |
3 |
70 °C (158 °F) |
|||||||||||
|
|
Siemens |
Thermal Magnetic Circuit Breaker |
DIN Rail Mount |
277 V |
3 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) |
||||||||||
|
|
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) |
||||||||||
|
|
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) |
||||||||||
|
|
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) |
|||||||||
|
|
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) |
|||||||||
|
|
Phoenix Contact |
Thermal Magnetic Circuit Breaker |
DIN Rail Mount |
277 V |
125 V |
10 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) |
|||||||||
|
|
Phoenix Contact |
Thermal Magnetic Circuit Breaker |
DIN Rail Mount |
277 V |
60 V |
30 A |
Snap On |
-35 °C (-31 °F) |
5 kA |
Bulk |
3.205 in (81.4 mm) |
0.693 in (17.6 mm) |
IP20 |
Trip |
2.587 in (65.7 mm) |
CUL; IEC-60947-2; UL |
1 |
70 °C (158 °F) |
|||||||||
|
|
Phoenix Contact |
Thermal Magnetic Circuit Breaker |
DIN Rail Mount |
277 V |
60 V |
25 A |
Snap On |
-35 °C (-31 °F) |
5 kA |
Toggle |
Bulk |
3.205 in (81.4 mm) |
0.693 in (17.6 mm) |
IP20 |
Trip Free |
2.587 in (65.7 mm) |
CUL; UL |
1 |
70 °C (158 °F) |
||||||||
|
Carling Technologies |
Magnetic Circuit Breaker |
Panel Mount |
277 V |
25 A |
Screw |
-40 °C (-40 °F) |
5 kA |
Toggle |
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 |
25 A |
Screw |
-40 °C (-40 °F) |
5 kA |
Toggle |
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) |
||||||||||
|
|
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) |
|||||||
|
|
Phoenix Contact |
Thermal Magnetic Circuit Breaker |
DIN Rail Mount |
277 V |
60 V |
3 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 |
2.587 in (65.7 mm) |
CUL; IEC 60947-2; TUV; UL |
1 |
70 °C (158 °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) |
||||||||||
|
|
Phoenix Contact |
Thermal Magnetic Circuit Breaker |
DIN Rail Mount |
277 V |
125 V |
4 A |
Screw |
-35 °C (-31 °F) |
5 kA |
Handle |
Bulk |
3.205 in (81.4 mm) |
1.39 in (35.3 mm) |
IP20 |
Trip |
2.587 in (65.7 mm) |
CUL; TUV; UL |
2 |
70 °C (158 °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.