Circuit Breaker
| 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 |
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Phoenix Contact |
THERMAL CIRCUIT BREAKER |
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Abb |
THERMAL MAGNETIC |
2CDS272001R0064 |
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Siemens |
EQUIPMENT LEAKAGE CIRCUIT BREAKER |
-25 Cel |
55 Cel |
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TE Connectivity |
THERMAL CIRCUIT BREAKER |
PANEL MOUNT |
250 V |
32 V |
5 A |
QUICK CONNECT |
1000 A |
2.2 Seconds |
PUSH TO RESET |
19.31 mm |
19.31 inch |
15.88mm x 13.72mm x 38.99mm |
SERIES TRIP |
38.99 mm |
CSA; UL; VDE |
1 |
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Schneider Electric Sa |
THERMAL MAGNETIC CIRCUIT BREAKER |
PANEL MOUNT/DIN-RAIL MOUNT |
690 V |
10 A |
SCREW AND SNAP ON |
-20 Cel |
6000 A |
ROTARY HANDLE |
BULK |
89 mm |
45 inch |
IK04; IP20 |
TRIP |
97 mm |
ATEX; BV; CCC; CSA; DNV-GL; EAC; EN; IEC; LROS; RINA; UL |
3 |
60 Cel |
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Abb |
THERMAL MAGNETIC |
DIN-RAIL MOUNT |
347 V |
100 A |
SNAP ON |
18000 A |
130 mm |
76.2 inch |
130mm x 76.2mm x 70mm |
TRIP |
70 mm |
CSA; UL |
3 |
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Sensata Technologies |
THERMAL CIRCUIT BREAKER |
PANEL MOUNT |
120 V |
30 V |
10 A |
SCREW |
3500 A |
1 Seconds |
RATED BREAKING CAPACITY AT 30 VDC: 6000 A |
PUSH/PULL |
27.79 mm |
19.05 inch |
CORROSSION/MOISTURE RESISTANT |
27.79mm x 19.05mm x 37.85mm |
TRIP FREE |
37.85 mm |
1 |
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TE Connectivity |
THERMAL CIRCUIT BREAKER |
PANEL MOUNT |
250 V |
50 V |
5 A |
QUICK CONNECT |
1000 A |
3 Seconds |
ROCKER |
48.01 mm |
24.89 inch |
SERIES TRIP |
43.79 mm |
2 |
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TE Connectivity |
THERMAL CIRCUIT BREAKER |
PANEL MOUNT |
250 V |
50 V |
5 A |
QUICK CONNECT |
1000 A |
6 Seconds |
RATED BREAKING CAPACITY AT 50 VDC: 2000 A |
PUSH TO RESET |
34.93mm x 16.76mm x 34.93m |
SERIES TRIP |
1 |
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Texas Instruments |
THERMAL CIRCUIT BREAKER |
PANEL MOUNT |
120 V |
28 V |
1 A |
SCREW |
3500 A |
2TC2 |
PUSH/PULL |
19.84 mm |
15.06 inch |
CORROSSION RESISTANT |
19.84mm x 15.06mm x 26.16mm |
26.16 mm |
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Schurter Ag |
THERMAL CIRCUIT BREAKER |
PANEL MOUNT |
240 V |
48 V |
10 A |
QUICK CONNECT |
-5 Cel |
TIN SILVER |
2000 A |
RESET TYPE |
BULK |
19 mm |
19 inch |
IP40 |
e2 |
MANUAL ON/OFF |
36.1 mm |
CCC; CSA; UL; GB; IEC; UL; VDE |
1 |
60 Cel |
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Schurter Ag |
THERMAL CIRCUIT BREAKER |
PANEL MOUNT |
240 V |
60 V |
20 A |
QUICK CONNECT |
-30 Cel |
2000 A |
ROCKER |
BULK |
36 mm |
29 inch |
IP40 |
TRIP FREE |
44.1 mm |
CCC; CSA; GB; IEC; UL; VDE |
2 |
60 Cel |
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Siemens |
THERMAL MAGNETIC |
DIN-RAIL MOUNT |
400 V |
4 A |
SNAP ON |
10000 A |
89.8 mm |
35.2 inch |
IP20 |
89.8mm x 35.2mm x 76mm |
TRIP |
76 mm |
CCC; CE; IMQ; RCM; UL; VDE |
2 |
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TE Connectivity |
MAGNETIC CIRCUIT BREAKER |
PANEL MOUNT |
277 V |
5 A |
QUICK CONNECT |
-40 Cel |
5000 A |
2.2 Seconds |
TOGGLE |
50.8 mm |
38.1 inch |
FUNGUS RESISTANT; MOISTURE RESISTANT |
50.8mm x 38.1mm x 41.66mm |
SERIES TRIP |
41.66 mm |
CSA; UL |
2 |
85 Cel |
STANDARD |
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Phoenix Contact |
THERMAL MAGNETIC |
2907566 |
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TE Connectivity |
MAGNETIC CIRCUIT BREAKER |
PANEL MOUNT |
277 V |
15 A |
QUICK CONNECT |
-40 Cel |
5000 A |
2.2 Seconds |
TOGGLE |
50.8 mm |
19.05 inch |
FUNGUS RESISTANT; MOISTURE RESISTANT |
50.8mm x 19.05mm x 41.66mm |
SERIES TRIP |
41.66 mm |
CSA; UL |
1 |
85 Cel |
STANDARD |
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TE Connectivity |
MAGNETIC CIRCUIT BREAKER |
PANEL MOUNT |
15 A |
QUICK CONNECT |
2.2 Seconds |
TOGGLE |
SERIES TRIP |
1 |
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Phoenix Contact |
THERMAL CIRCUIT BREAKER |
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Carling Technologies |
MAGNETIC CIRCUIT BREAKER |
PANEL MOUNT |
277 V |
80 V |
15 A |
SCREW |
-40 Cel |
5000 A |
STANDARDS: MIL-PRF-55629, MIL-STD-202 |
HANDLE |
50.8 mm |
19.18 inch |
CORROSION/MOISTURE RESISTANT |
SERIES TRIP |
41.66 mm |
CSA; UL |
1 |
85 Cel |
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Abb |
THERMAL MAGNETIC |
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Abb |
THERMAL MAGNETIC |
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E-t-a Elektrotechnische Apparate |
THERMAL CIRCUIT BREAKER |
PANEL MOUNT |
12 V |
5 A |
QUICK CONNECT |
-40 Cel |
150 A |
MODIFIED RESET |
13.3 mm |
7 inch |
CORROSION RESISTANT; IP00; IP50 |
TRIP |
25 mm |
1 |
85 Cel |
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Siemens |
THERMAL CIRCUIT BREAKER |
DIN RAIL |
400 V |
60 V |
14 A |
SNAP ON |
-25 Cel |
5000 A |
TOGGLE |
BULK |
90 mm |
18 inch |
IP20 |
TRIP |
76 mm |
CSA; EN; UL |
1 |
55 Cel |
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Carling Technologies |
THERMAL CIRCUIT BREAKER |
PANEL MOUNT |
250 V |
32 V |
5 A |
QUICK CONNECT |
-10 Cel |
1000 A |
PUSH TO RESET |
29.3 mm |
14 inch |
SERIES TRIP |
45.2 mm |
CSA; CE; CUL; TUV; UL |
1 |
60 Cel |
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Siemens |
MAGNETIC CIRCUIT BREAKER |
DIN-RAIL MOUNT |
690 V |
40 A |
SCREW AND SNAP ON |
-20 Cel |
12000 A |
ROTARY HANDLE |
165 mm |
70 inch |
IP20 |
165mm x 70mm x 174mm |
TRIP |
174 mm |
3 |
60 Cel |
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Siemens |
THERMAL MAGNETIC |
DIN-RAIL MOUNT |
690 V |
16 A |
SNAP ON |
-20 Cel |
2000 A |
INTERRUPTING CURRENT-MAX AT 450 VDC : 10000 A |
HANDLE |
97 mm |
45 inch |
IP20 |
97mm x 45mm x 96.9mm |
TRIP |
96.9 mm |
ATEX; CCC; CE; CSA; EAC; IECEX; KC; UL; VDE |
3 |
60 Cel |
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Sensata Technologies |
THERMAL CIRCUIT BREAKER |
PANEL MOUNT-THREADED |
120 V |
7.5 A |
SCREW |
2000 A |
PUSH/PULL |
46.74 mm |
19.84 inch |
CORROSSION RESISTANT |
46.74mm x 19.84mm x 35.08mm |
TRIP FREE |
35.08 mm |
1 |
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Abb |
THERMAL MAGNETIC |
DIN RAIL |
277 V |
96 V |
10 A |
SCREW AND SNAP ON |
-25 Cel |
10000 A |
.2 Seconds |
BULK |
111 mm |
35 inch |
IP20; IP40 |
SHUNT TRIP |
69 mm |
CCC; CSA; EN; IEC; UL; VDE |
2 |
55 Cel |
INSTANTANEOUS |
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E-t-a Elektrotechnische Apparate |
THERMAL CIRCUIT BREAKER |
PANEL MOUNT |
250 V |
50 V |
5 A |
QUICK CONNECT |
-20 Cel |
40 A |
RATED BREAKING CAPACITY AT 50 VDC: 50 A |
PUSH BUTTON |
19 mm |
19 inch |
CORROSION RESISTANT; IP00; IP40; IP64 |
TEASE-FREE AND TRIP-FREE |
51 mm |
CSA; CUL; EN; UL; VDE |
1 |
60 Cel |
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Siemens |
THERMAL MAGNETIC |
DIN-RAIL MOUNT |
690 V |
22 A |
SNAP ON |
-20 Cel |
2000 A |
INTERRUPTING CURRENT-MAX AT 450 VDC : 10000 A |
HANDLE |
97 mm |
45 inch |
IP20 |
97mm x 45mm x 96.9mm |
TRIP |
96.9 mm |
ATEX; CCC; CE; CSA; EAC; IECEX; KC; UL; VDE |
3 |
60 Cel |
INSTANTANEOUS |
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Carling Technologies |
MAGNETIC CIRCUIT BREAKER |
PANEL MOUNT |
277 V |
10 A |
QUICK CONNECT |
-40 Cel |
5000 A |
STANDARDS: MIL-PRF-55629, MIL-STD-202 |
ROCKER |
54.76 mm |
18.92 inch |
CORROSION/MOISTURE RESISTANT |
SERIES TRIP |
41.66 mm |
CSA; UL |
1 |
85 Cel |
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Sensata Technologies |
MAGNETIC CIRCUIT BREAKER |
PANEL MOUNT |
50 V |
5 A |
SOLDER HOOK |
-40 Cel |
1000 A |
TOGGLE |
39.67 mm |
32.53 inch |
CORROSION RESISTANT; SEALED |
TRIP FREE |
45.21 mm |
2 |
100 Cel |
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Siemens |
THERMAL MAGNETIC |
DIN-RAIL MOUNT |
690 V |
8 A |
SCREW AND SNAP ON |
-20 Cel |
4000 A |
ROTARY HANDLE |
144 mm |
45 inch |
IP00; IP20 |
144mm x 45mm x 97mm |
TRIP |
97 mm |
3 |
60 Cel |
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Carling Technologies |
MAGNETIC CIRCUIT BREAKER |
PANEL MOUNT |
277 V |
80 V |
25 A |
SCREW |
-40 Cel |
5000 A |
TOGGLE |
50.8 mm |
19.18 inch |
CORROSION/MOISTURE RESISTANT |
SERIES TRIP |
41.66 mm |
CSA; UL |
1 |
85 Cel |
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Defense Logistics Agency |
THERMAL CIRCUIT BREAKER |
PANEL MOUNT-THREADED |
10 A |
SCREW |
-55 Cel |
PUSH-PULL |
46.74 mm |
19.84 inch |
46.74mm x 19.84mm x 35.08mm |
TRIP FREE |
35.08 mm |
MIL-C-5809 |
3 |
71 Cel |
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Texas Instruments |
THERMAL CIRCUIT BREAKER |
PANEL MOUNT |
120 V |
28 V |
25 A |
SCREW |
1800 A |
2TC2 |
PUSH/PULL |
19.84 mm |
15.06 inch |
CORROSSION RESISTANT |
19.84mm x 15.06mm x 26.16mm |
26.16 mm |
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E-t-a Elektrotechnische Apparate |
THERMAL CIRCUIT BREAKER |
PANEL MOUNT |
240 V |
50 V |
20 A |
QUICK CONNECT |
-30 Cel |
5000 A |
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 Cel |
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E-t-a Elektrotechnische Apparate |
THERMAL CIRCUIT BREAKER |
PANEL MOUNT |
240 V |
50 V |
5 A |
QUICK CONNECT |
-30 Cel |
5000 A |
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 Cel |
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Sensata Technologies |
THERMAL CIRCUIT BREAKER |
3TC7 |
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Abb |
THERMAL MAGNETIC |
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TE Connectivity |
MAGNETIC CIRCUIT BREAKER |
PANEL MOUNT |
277 V |
30 A |
STUD |
-40 Cel |
5000 A |
2.2 Seconds |
TOGGLE |
63.5 mm |
19.05 inch |
SERIES TRIP |
46.86 mm |
1 |
85 Cel |
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TE Connectivity |
MAGNETIC CIRCUIT BREAKER |
PANEL MOUNT |
277 V |
30 A |
STUD |
-40 Cel |
5000 A |
2.2 Seconds |
TOGGLE |
63.5 mm |
19.05 inch |
SERIES TRIP |
46.86 mm |
1 |
85 Cel |
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Phoenix Contact |
THERMAL MAGNETIC |
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E-t-a Elektrotechnische Apparate |
THERMAL CIRCUIT BREAKER |
PANEL MOUNT |
240 V |
50 V |
15 A |
QUICK CONNECT |
-30 Cel |
5000 A |
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 Cel |
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Eaton Corporation |
THERMAL MAGNETIC CIRCUIT BREAKER |
DIN RAIL MOUNT |
277 V |
5 A |
SNAP ON |
10000 A |
TOGGLE |
MANUAL ON/OFF |
1 |
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Abb |
THERMAL MAGNETIC |
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Phoenix Contact |
THERMAL CIRCUIT BREAKER |
PANEL MOUNT |
250 V |
65 V |
2 A |
QUICK CONNECT |
-20 Cel |
12 A |
PUSH TO RESET |
BULK |
24.4 mm |
8.2 inch |
IP40 |
TRIP |
44.5 mm |
CCC; CSA; CUL; EAC; UL; VDE |
1 |
60 Cel |
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Phoenix Contact |
THERMAL MAGNETIC |
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.