BR Series Thermal Magnetic Circuit Breakers(367 Products)
EATON

Number Of Poles Ac Voltage Rating Voltage Min. Wire Size Max. Wire Size Phase Amps Dc Voltage Rating Price
- - - - - - - - £671.56
- - - - - - - - £484.78
- - - - - - - - £123.75
- - 120/240V - - - - - £8.27
- - - - - - - - £197.75
1 - 120V AC - - - - - £213.93
1 120V AC 120V AC 14 AWG 4 AWG Single - Not Rated £31.25
1 120V AC 120V AC 14 AWG 4 AWG Single - Not Rated £33.02
1 - 120V AC - - - - - £206.65
1 - 120V AC - - - - - £50.33
1 - 120V AC - - - - - £34.6
1 - 120V AC - - - - - £50.33
1 120V AC 120V AC 14 AWG 4 AWG Single - Not Rated £31.25
1 - 120V AC - - - - - £246.95
1 - 120V AC - - - - - £50.33
1 - 120V AC - - - - - £33.02
1 - 120V AC - - - - - £100.06
1 - 120V AC - - - - - £242.99
1 - 120V AC - - - - - RFQ
1 - 120V AC - - - - - £176.91
1 - 120V AC - - - - - RFQ
1 - 120V AC - - - - - £33.02
1 - 120V AC - - - - - £230.2
1 - 120V AC - - - - - £50.33
1 - 120V AC - - - - - £271.39
1 - 120V AC - - - - - £64.69
1 - 120V AC - - - - - £49.15
1 - 120V AC - - - - - £33.02
1 - 120V AC - - - - - £33.02
1 - 120V AC - - - - - £184.49
1 - 120V AC - - - - - £54.3
1 - 120V AC - - - - - £50.33
1 - 120/240V - - - - - £94.38
1 120/240V AC 120/240V 14 AWG 4 AWG Single - Not Rated £11.43
1 - 120/240V - - - - - £171.32
1 - 120/240V - - - - - £100.82
1 - 120/240V - - - - - £146.35
1 - 120/240V - - - - - £146.35
1 - 120/240V - - - - - £14.32
1 - 120/240V - - - - - £16.77
1 - 120/240V - - - - - £13.95
1 120/240V AC 120/240V 14 AWG 4 AWG Single - Not Rated £11.43
1 - 120/240V - - - - - £91.69
1 - 120/240V - - - - - £171.32
1 - 120/240V - - - - - £14.32
1 - 120/240V - - - - - £81.84
1 - 120/240V - - - - - £13.81
1 - 120/240V - - - - - £16.45
1 - 120/240V - - - - - £812.69
1 120/240V AC 120/240V 14 AWG 4 AWG Single - Not Rated £11.43
1 - 120/240V - - - - - £643.89
1 - 120/240V - - - - - £16.45
1 - 120/240V - - - - - £16.45
1 - 120/240V - - - - - £42.53
1 - 120/240V - - - - - £171.32
1 120/240V AC 120/240V 14 AWG 4 AWG Single - Not Rated £42.53
1 - 120/240V - - - - - £81.84
1 - 120/240V - - - - - £81.84
1 - 120/240V - - - - - £47.46
1 - 120/240V - - - - - £16.45
1 - 120/240V - - - - - £16.77
1 - 120/240V - - - - - £334.55
1 - 120/240V - - - - - £79.11
1 - 120/240V - - - - - £16.45
1 - 120/240V - - - - - £81.84
1 - 120/240V - - - - - £39.54
1 - 120/240V - - - - - £336.23
1 - 120/240V - - - - - £290.06
1 - 120/240V - - - - - £39.54
1 - 120/240V - - - - - £41.21
1 - 120/240V - - - - - £207.48
1 - 120/240V - - - - - RFQ
1 - 120/240V - - - - - £39.54
1 - 120/240V - - - - - £199.4
1 - 120/240V - - - - - £53.2
1 - 120/240V - - - - - £252.9
1 - 120/240V - - - - - RFQ
1 - 120/240V - - - - - £207.48
1 - 120/240V - - - - - £565.79
1 - 120/240V - - - - - £178.91
1 - 120/240V - - - - - RFQ
1 - 120/240V - - - - - £671.17
1 - 120/240V - - - - - £671.17
1 - 120/240V - - - - - £671.17
1 - 120/240V - - - - - £671.17
1 - 120/240V - - - - - £671.17
1 - 120/240V - - - - - £671.17
1 - 120/240V - - - - - £1066.76
1 - 120V AC - - - - - RFQ
1 - 120/240V - - - - - £362.13
1 - 120/240V - - - - - £362.13
1 - 120V AC - - - - - RFQ
1 - 120V AC - - - - - £419.82
1 - 120V AC - - - - - £419.82
1 120V AC - 14 AWG 4 AWG Single - Not Rated £95.56
2 - 120V AC - - - - - £110.45
2 - 120V AC - - - - - £110.45
2 - 120V AC - - - - - £110.45
2 - 120V AC - - - - - £257.91
2 - 120/240V - - - - - £132.82
2 - 120V AC - - - - - £47.46
2 120V AC 120V AC 14 AWG 4 AWG Single - Not Rated £42.53
2 - 120/240V - - - - - £348.94
2 - 120V AC - - - - - £47.46
2 - 120/240V - - - - - £524.25
2 - 120/240V - - - - - £296.59
2 120/240V AC 120/240V 4 AWG 1/0 AWG Single - Not Rated £82.34
2 - 240V - - - - - £604.9
2 - 240V - - - - - £594.98
2 - 120/240V - - - - - £109.1
2 - 120/240V - - - - - £221.71
2 - 240V - - - - - RFQ
2 - 120/240V - - - - - £1007.11
2 - 120/240V - - - - - £1145.04
2 - 120/240V - - - - - £1145.04
2 - 120/240V - - - - - £1161.38
2 - 120/240V - - - - - £217.42
2 - 120/240V - - - - - £100.06
2 - 120/240V - - - - - £164.8
2 - 120/240V - - - - - £192.28
2 - 120/240V - - - - - £158.19
2 - 120/240V - - - - - £593.18
2 120/240V AC 120/240V 14 AWG 4 AWG Single - Not Rated £30.38
2 - 120/240V - - - - - £227.53
2 - 120/240V - - - - - £181.27
2 - 120/240V - - - - - £197.75
2 - 240V - - - - - £190.75
2 - 120/240V - - - - - £194.88
2 - 120/240V - - - - - £226.67
2 - 120/240V - - - - - £184.38
2 120/240V AC 120/240V 14 AWG 3 AWG Single - Not Rated £29.67
2 - 240V - - - - - RFQ
2 - 120/240V - - - - - £845.28
2 - 120/240V - - - - - £32.25
2 120/240V AC 120/240V 14 AWG 4 AWG Single 30A Not Rated £29.67
2 - 120/240V - - - - - £31.54
2 120/240V AC 120/240V 14 AWG 4 AWG Single - Not Rated £32.66
2 - 120/240V - - - - - £197.75
2 - 240V - - - - - £37.11
2 - 240V - - - - - RFQ
2 - 120/240V - - - - - £32.66
2 - 120/240V - - - - - £800.36
2 - 240V - - - - - £183.03
2 - 120/240V - - - - - £197.75
2 - 120/240V - - - - - £45.41
2 120/240V AC 120/240V 14 AWG 4 AWG Single - Not Rated £30.38
2 - 240V - - - - - RFQ
2 - 120/240V - - - - - £184.38
2 - 120/240V - - - - - £221.38
2 - 120/240V - - - - - £251.73
2 - 120/240V - - - - - £32.66
2 - 120/240V - - - - - £39.29
2 - 120/240V - - - - - £920.89
2 - 120/240V - - - - - £260.37
2 - 240V - - - - - £214.01
2 120/240V AC 120/240V 14 AWG 4 AWG Single - Not Rated £30.38
2 - 120/240V - - - - - £39.66
2 - 240V - - - - - RFQ
2 - - - - - - - £204.74
2 - 240V - - - - - £71.05
2 - 120/240V - - - - - £269.07
2 - 120/240V - - - - - £197.75
2 120/240V AC 120/240V 8 AWG 1/0 AWG Single - Not Rated £30.38
2 - 120/240V - - - - - £197.75
2 - 120/240V - - - - - £76.5
2 - 120/240V - - - - - £215.63
2 - 120/240V - - - - - £109.1
2 - 120/240V - - - - - £79.09
2 - 120/240V - - - - - £76.77
2 - 120/240V - - - - - £85.7
2 - 240V - - - - - £431.18
2 - 240V - - - - - £604.9
2 - 120/240V - - - - - £499.83
2 - 120/240V - - - - - £109.1
2 - 120/240V - - - - - £85.7
2 - 120/240V - - - - - £303.2
2 - 240V - - - - - £604.9
2 - 120/240V - - - - - £516.03
2 - 120/240V - - - - - £301.17
2 - 120/240V - - - - - £946.66
2 - 120/240V - - - - - £252.31
2 - 120/240V - - - - - £102.17
2 - 120/240V - - - - - £946.66
2 - 120/240V - - - - - £102.17
2 - 120/240V - - - - - £243.9
2 - 120/240V - - - - - £102.17
2 - 120/240V - - - - - £118.65
2 - 120/240V - - - - - RFQ
2 - 120/240V - - - - - £426.39
2 - 120/240V - - - - - £227.35
2 - 120/240V - - - - - £93.66
2 - 120/240V - - - - - £118.65
2 - 120/240V - - - - - £102.17
2 - 120/240V - - - - - £158.19
2 - 120/240V - - - - - £227.35
2 - 120/240V - - - - - £102.17
2 - 120/240V - - - - - £395.42
2 - 120/240V - - - - - £250.43
2 - 120/240V - - - - - £197.75
2 - 120/240V - - - - - £1284.44
2 - 120/240V - - - - - RFQ
2 - 120/240V - - - - - £375.6
2 - 120/240V - - - - - £1110.54
2 - 120/240V - - - - - £193.38
2 - 120/240V - - - - - £674.59
2 - 120/240V - - - - - £1110.54
2 - 120/240V - - - - - £276.85
2 - 120/240V - - - - - £233.96
2 - 120/240V - - - - - £276.85
2 - 120/240V - - - - - £1110.54
2 - 120/240V - - - - - £711.26
2 - 120/240V - - - - - RFQ
2 - 120/240V - - - - - £714.93
2 - 120/240V - - - - - £739.5
2 - 120/240V - - - - - RFQ
2 - 120/240V - - - - - £714.93
2 - 120V AC - - - - - £453.05
2 - 120/240V - - - - - £250.43
2 - 120/240V - - - - - £969.91
2 - 120/240V - - - - - £450.68
2 - 120/240V - - - - - £458.05
2 - 120/240V - - - - - £1788.17
2 - 120/240V - - - - - £458.05
2 - 120/240V - - - - - £1097.53
2 - 120/240V - - - - - RFQ
2 - 240V - - - - - £46.14
2 - 120/240V - - - - - £296.59
3 - 120/240V - - - - - RFQ
3 - 120/240V - - - - - £47.46
3 - 120/240V - - - - - £265.31
3 - 120/240V - - - - - £322.12
3 - 120/240V - - - - - £191.14
3 - 120/240V - - - - - £303.2
3 - 240V - - - - - £705.7
3 - 240V - - - - - £514.08
3 - - - - - - - £118.65
3 - 240V - - - - - £118.65
3 - - - - - - - £303.2
3 - - - - - - - £303.2
3 - - - - - - - £118.65
3 - - - - - - - £118.65
3 - - - - - - - £131.86
3 - - - - - - - £527.34
3 - - - - - - - £118.65
3 - 240V - - - - - £458.05
3 - 240V - - - - - £131.86
3 - 240V - - - - - £303.2
3 - 240V - - - - - RFQ
3 - 240V - - - - - £184.54
3 - 240V - - - - - £118.65
3 - 120/240V - - - - - £894.92
3 - 240V - - - - - £705.7
3 - 240V - - - - - £303.2
3 - 120/240V - - - - - £1017.17
3 - - - - - - - £118.65
3 - - - - - - - £303.2
3 - 240V - - - - - £197.75
3 - 240V - - - - - £197.75
3 - 240V - - - - - £523.94
3 - 120/240V - - - - - RFQ
3 - 240V - - - - - £395.42
3 - 240V - - - - - £1611.46
3 - 240V - - - - - £326.19
3 - 240V - - - - - £326.19
3 - 120/240V - - - - - £326.19
3 - 240V - - - - - £1596.31
3 - - - - - - - £395.42
3 - 240V - - - - - £1596.31
3 - 240V - - - - - £326.19
3 - - - - - - - £346
3 - - - - - - - £326.19
3 - - - - - - - £395.42
3 - - - - - - - £326.19
3 - 240V - - - - - £2451.27
3 - 240V - - - - - £2355.62
3 - 240V - - - - - £2355.62
3 - 240V - - - - - £2355.62
3 - 240V - - - - - £5050.02
3 - 120/240V - - - - - £4829.57
3 - 120/240V - - - - - £523.94
4 - 120/240V - - - - - £91.6
4 - 120/240V - - - - - £91.6
4 - 120/240V - - - - - £91.6
4 - 120/240V - - - - - £91.6
4 - 120/240V - - - - - £91.6
4 - 120/240V at 20A, 120V at 20A - - - - - £95.56
4 - 120/240V at 20A, 120V at 15A - - - - - £95.56
4 - 120/240V - - - - - £105.43
4 - 120/240V - - - - - £90.98
4 - 120/240V - - - - - £90.98
4 - 120/240V - - - - - £90.98
4 - 120/240V - - - - - £103.84
4 - 120/240V - - - - - £103.84
4 - 120/240V - - - - - £103.84
4 - 120/240V at 30A, 120V at 15A - - - - - £95.56
4 - 120/240V at 30A, 120V at 20A - - - - - £95.56
4 - 120/240V - - - - - £105.43
4 - 120/240V - - - - - £105.43
4 - 120/240V - - - - - £91.6
4 - 120/240V - - - - - £91.6
4 - 120/240V - - - - - £91.6
4 - 120/240V at 40A, 120V at 15A - - - - - £95.56
4 - 120/240V at 40A, 120V at 20A - - - - - £95.56
4 - 120/240V - - - - - £105.43
4 - 120/240V - - - - - £91.6
4 - 120/240V - - - - - £91.6
4 - 120/240V at 50A, 120V at 15A - - - - - £95.56
4 - 120/240V at 50A, 120V at 20A - - - - - £95.56
4 - 120/240V - - - - - £96.63
4 - 120/240V - - - - - £127.71
4 - 120/240V - - - - - £118.65
4 - 120/240V - - - - - £118.65
4 - 120V AC - - - - - £184.49
4 - 120/240V - - - - - £363.62
4 - 120/240V - - - - - £103.84
4 - 120/240V - - - - - £90.98
4 - 120/240V - - - - - £105.43
4 - 120/240V - - - - - £127.71
4 - 120/240V - - - - - £91.6
4 - 120/240V - - - - - £127.71
4 - 120/240V - - - - - £127.71
4 - 120/240V - - - - - £127.71
4 - 120/240V - - - - - £127.71
4 - 120/240V - - - - - £460.93
4 - 120/240V - - - - - £127.01
4 - 120/240V - - - - - £127.01
4 - 120/240V - - - - - £127.01
4 - 120/240V - - - - - £469.74
4 - 120/240V - - - - - £127.01
4 - 120/240V - - - - - £127.71
4 - 120/240V - - - - - £127.71
4 - 120/240V - - - - - £127.01
4 - 120/240V - - - - - £127.01
4 - 120/240V - - - - - £132.82
4 - 120/240V - - - - - £127.01
4 - 120/240V - - - - - £127.01
4 - 120/240V - - - - - £132.82
4 - 120/240V - - - - - £127.01
4 - 120/240V - - - - - £127.01
4 - 120/240V - - - - - £513.58
4 - 120/240V - - - - - £127.01
4 - 120/240V - - - - - £118.34
4 - 120/240V - - - - - £127.01
4 - 120/240V - - - - - £127.01
4 - 120/240V - - - - - £451.73
4 - 120/240V - - - - - £127.01
4 - 120/240V - - - - - £127.01
4 - 120/240V - - - - - £127.01
4 - 120/240V - - - - - £127.01
4 - 120/240V - - - - - £127.01
4 - 120/240V - - - - - £127.01
4 - 120/240V - - - - - £493.62
4 - 120/240V - - - - - £108.77
4 - 120/240V - - - - - £108.77
4 - 120/240V - - - - - £108.77
4 - 120/240V - - - - - £118.65
4 - 120/240V - - - - - RFQ
4 - 120/240V - - - - - £118.65
4 - 120/240V - - - - - £463.36
4 - 120/240V - - - - - £211.08
4 - 120/240V - - - - - RFQ
4 - 120/240V - - - - - £125.25
4 - 120/240V - - - - - £114.81
4 - 120/240V - - - - - £865.16
4 - 120/240V - - - - - £809.54
4 - 120/240V - - - - - £122.48
4 - 120/240V - - - - - £125.25

Working Mechanism

  • Eaton thermal magnetic circuit breakers consist of a bimetallic strip that responds to heat caused by excessive current flow and a solenoid-actuated plunger that responds to strong magnetic fields generated by high currents.
  • When the current flowing through the circuit exceeds the rated capacity of the breaker, the bimetallic strip heats up and causes the breaker to trip.
  • The magnetic element trips the breaker if it detects high magnetic fields.
  • By stopping the flow of current when the breaker trips, it safeguards the circuit from damage.

Features

  • Eaton BR Series thermal magnetic circuit breakers have a short-body design that allows the addition of more wire-way and gutter space in the loadcenter.
  • Their improved diagnostic trip codes are designed for complex occurrences and overload to provide easy troubleshooting during maintenance.
  • These circuit breakers have easy-to-read trip codes through improved LEDs and a clear test button for efficient troubleshooting.

Frequently Asked Questions

Q. Can a thermal magnetic circuit breaker be reset after it has tripped?

A. Yes, Eaton thermal magnetic circuit breakers can be reset after they have tripped. To reset the breaker, locate the breaker's handle and move it to the Off position. Then, move the handle back to the On position to reset the breaker.

Q. How to avoid unnecessary tripping of breakers?

A. Circuit breakers trip unnecessarily only when they are dirty. Keep the circuit breakers clean and free of dirt or debris to avoid unnecessary tripping.

Q. What is the difference between a circuit breaker and a fuse?

A. A circuit breaker has an internal switch that trips when there is excess current, whereas a fuse is a metal piece that melts when excess current overloads the circuit.