Thermal Magnetic Circuit Breakers

Thermal magnetic circuit breakers are devices that provide protection against overcurrent in circuits. Circuit breakers use an automatically operated electrical switch to disrupt the flow of current when an overload or short circuit is detected. Thermal magnetic circuit breakers do this using an electromagnet and bimetallic strips. 


Circuit breakers provide more sophisticated protection against overcurrent than a simple fuse. Fuses simply burn out and have to be replaced, whereas circuit breakers just need to be reset.


How do thermal magnetic circuit breakers work?

In thermal magnetic circuit breakers, there are two ways the flow of current might be detected and disrupted. In the event of a short circuit, the electromagnet rapidly trips the switch. If the overload is smaller, over a longer period of time, the bimetallic strips will instead eventually react to trip the switch. 


What are thermal magnetic circuit breakers used for?

Thermal magnetic circuit breakers are most often used in distribution boards. They make up part of the subsidiary circuits in the broader electrical supply system, protecting against overcurrent.


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Omschrijving Prijs Current Rating Number of Poles Range Voltage Rating Width Series Application Break Time Breaking Capacity at Maximum Voltage Rating Circuit Breaker Type Mounting Hole Diameter Mounting Hole Length Mounting Hole Size Mounting Hole Width
RS-stocknr. 167-5677
FabrikantnummerW28-XQ1A-10
FabrikantTE Connectivity
2,47 €
Each
Aantal stuks
10A 1 - 32 V dc, 250 V ac - W28 - - 1000 A - - - - -
RS-stocknr. 170-9405
FabrikantnummerW28-XQ1A-10
FabrikantTE Connectivity
1,814 €
Each (In a Bag of 100)
Aantal stuks
10A 1 - 32 V dc, 250 V ac - W28 - - 1000 A - - - - -
RS-stocknr. 782-0915
FabrikantnummerW58-XB1A4A-5
FabrikantTE Connectivity
4,59 €
Each
Aantal stuks
5A 1 - 50 V dc, 250 V ac 0.66in W58 - - - - - - - -
RS-stocknr. 782-6593
FabrikantnummerW28-XQ1A-12
FabrikantTE Connectivity
3,69 €
Each
Aantal stuks
12A 1 - 32 V dc, 250 V ac 0.76in W28 - - - - - - - -
RS-stocknr. 782-0889
FabrikantnummerW23-X1A1G-3
FabrikantTE Connectivity
38,16 €
Each
Aantal stuks
3A 1 - 50 V dc, 250 V ac 0.69in W23 - - - - - - - -
RS-stocknr. 782-6569
FabrikantnummerW33-T4B1Q-10
FabrikantTE Connectivity
27,93 €
Each
Aantal stuks
10A 2 - 120V 21.59mm W33 - - - - - - - -
RS-stocknr. 782-7922
FabrikantnummerW57-XB1A7A10-15
FabrikantTE Connectivity
2,58 €
Each
Aantal stuks
15A 1 - 250V ac 0.575in W57 - - - - - - - -
RS-stocknr. 782-7966
FabrikantnummerW58-XC4C12A-15
FabrikantTE Connectivity
4,57 €
Each
Aantal stuks
15A 1 - 50 V dc, 250 V ac 0.66in W58 - - - - - - - -
RS-stocknr. 782-8035
FabrikantnummerW54-XB1A4A10-5
FabrikantTE Connectivity
2,67 €
Each
Aantal stuks
5A 1 - 250V ac 0.575in W54 - - - - - - - -
RS-stocknr. 782-7988
FabrikantnummerW54-XB1A4A10-20
FabrikantTE Connectivity
2,08 €
Each
Aantal stuks
20A 1 - 250V ac 0.575in W54 - - - - - - - -
RS-stocknr. 782-7931
FabrikantnummerW57-XB7A4A10-15
FabrikantTE Connectivity
2,25 €
Each
Aantal stuks
15A 1 - 250V ac 0.575in W57 - - - - - - - -
RS-stocknr. 782-8082
FabrikantnummerW31-X2M1G-35
FabrikantTE Connectivity
27,74 €
Each
Aantal stuks
35A 1 - 50 V dc, 240 V ac 0.69in W31 - - - - - - - -
RS-stocknr. 782-7975
FabrikantnummerW54-XB1A4A10-15
FabrikantTE Connectivity
2,64 €
Each
Aantal stuks
15A 1 - 250V ac 0.575in W54 - - - - - - - -
RS-stocknr. 782-6581
FabrikantnummerW92-X112-40
FabrikantTE Connectivity
54,35 €
Each
Aantal stuks
40A 2 - 277V ac 1.5in W92 - - - - - - - -
RS-stocknr. 782-6584
FabrikantnummerW33-S4B1Q-10
FabrikantTE Connectivity
23,57 €
Each
Aantal stuks
10A 2 - 50V dc 21.59mm W33 - - - - - - - -
RS-stocknr. 782-6587
FabrikantnummerW33-S1N1Q-15
FabrikantTE Connectivity
15,95 €
Each
Aantal stuks
15A 2 - 250V ac 21.59mm W33 - - - - - - - -
RS-stocknr. 782-0892
FabrikantnummerW58-XB1A4A-10
FabrikantTE Connectivity
4,34 €
Each
Aantal stuks
10A 1 - 50 V dc, 250 V ac 0.66in W58 - - - - - - - -
RS-stocknr. 782-0930
FabrikantnummerW31-X2M1G-10
FabrikantTE Connectivity
28,91 €
Each
Aantal stuks
10A 1 - 50 V dc, 240 V ac 0.69in W31 - - - - - - - -
RS-stocknr. 782-7868
FabrikantnummerW69-X2Q12-15
FabrikantTE Connectivity
71,40 €
Each
Aantal stuks
15A 3 - 277V ac 2.25in W69 - - - - - - - -
RS-stocknr. 782-0882
FabrikantnummerW23-X1A1G-50
FabrikantTE Connectivity
20,70 €
Each
Aantal stuks
50A 1 - 50 V dc, 250 V ac 0.69in W23 - - - - - - - -