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.


...
Lees meer Lees minder

Filters

1 - 20 van 185 producten worden weergegeven
Resultaten per pagina
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. 899-1658
Fabrikantnummer2DU30L
FabrikantAltech
40,94 €
Each
Aantal stuks
30A 2 - - - L Heaters and Reactive Loads, High Inrush Motors, Power Supplies, Transformer, UL489 Applications Time Delay 10 kA MCCB - - - -
RS-stocknr. 899-1639
Fabrikantnummer2DU1R
FabrikantAltech
20,47 €
Each
Aantal stuks
1A 2 - 480Y/277V - R Appliance Circuit, Control Transformers, Power Supplies, Power Supplies and Reactive Loads, Sensitive Electronics, UL1077 Application Time Delay 10 kA MCCB - - - -
RS-stocknr. 899-1620
Fabrikantnummer2DU1L
FabrikantAltech
40,94 €
Each
Aantal stuks
1A 2 - - - L Heaters and Reactive Loads, High Inrush Motors, Power Supplies, Transformer, UL489 Applications Time Delay 10 kA MCCB - - - -
RS-stocknr. 899-1480
Fabrikantnummer2D30UM
FabrikantAltech
30,71 €
Each
Aantal stuks
30A 2 - - - V-EA AC Discharge Lamps (Ballast), AC General Use, AC Incandescent Lamps (Tungsten), AC Motor Starting, AC Resistance, Across the Line, Heaters and Reactive Loads, High Inrush Motors, Power Supplies, Transformers, UL508 Application Time Delay 10 kA MCCB - - - -
RS-stocknr. 899-1799
Fabrikantnummer2E40UM
FabrikantAltech
35,31 €
Each
Aantal stuks
40A 2 - - - V-EA AC Discharge Lamps (Ballast), AC General Use, AC Incandescent Lamps (Tungsten), AC Motor Starting, AC Resistance, Across the Line, High Efficiency Motors, UL508 Application, Which have Exceedingly High Inrush Current Time Delay 10 kA MCCB - - - -
RS-stocknr. 899-4981
Fabrikantnummer3D32UM
FabrikantAltech
46,06 €
Each
Aantal stuks
32A 3 - 480Y/277V - V-EA AC Discharge Lamps (Ballast), AC General Use, AC Incandescent Lamps (Tungsten), AC Motor Starting, AC Resistance, Across the Line, Heaters and Reactive Loads, High Inrush Motors, Power Supplies, Transformers, UL508 Application Time Delay 10 kA MCCB - - - -
RS-stocknr. 899-1487
Fabrikantnummer2D30UL
FabrikantAltech
44,36 €
Each
Aantal stuks
30A 2 - 480Y/277V - UL Heaters and Reactive Loads, High Inrush Motors, Power Supplies, Transformers Time Delay 10 kA MCCB - - - -
RS-stocknr. 899-1566
Fabrikantnummer2D6UM
FabrikantAltech
30,71 €
Each
Aantal stuks
6A 2 - - - V-EA AC Discharge Lamps (Ballast), AC General Use, AC Incandescent Lamps (Tungsten), AC Motor Starting, AC Resistance, Across the Line, Heaters and Reactive Loads, High Inrush Motors, Power Supplies, Transformers, UL508 Application Time Delay 10 kA MCCB - - - -
RS-stocknr. 899-1557
Fabrikantnummer2D6UL
FabrikantAltech
44,36 €
Each
Aantal stuks
6A 2 - 480Y/277V - UL Heaters and Reactive Loads, High Inrush Motors, Power Supplies, Transformers Time Delay 10 kA MCCB - - - -
RS-stocknr. 899-4565
Fabrikantnummer3C16UL
FabrikantAltech
66,53 €
Each
Aantal stuks
16A 3 - 480Y/277V - UL Lighting and Control Circuit Applications, Low Inrush Motors, Receptacles, Resistive Load, UL489 Application, Wiring Protection Time Delay 10 kA MCCB - - - -
RS-stocknr. 899-1715
Fabrikantnummer2DU6L
FabrikantAltech
40,94 €
Each
Aantal stuks
6A 2 - - - L Heaters and Reactive Loads, High Inrush Motors, Power Supplies, Transformer, UL489 Applications Time Delay 10 kA MCCB - - - -
RS-stocknr. 899-1579
Fabrikantnummer2DU02L
FabrikantAltech
40,94 €
Each
Aantal stuks
200mA 2 - - - L Heaters and Reactive Loads, High Inrush Motors, Power Supplies, Transformer, UL489 Applications Time Delay 10 kA MCCB - - - -
RS-stocknr. 899-2954
Fabrikantnummer2BU30R
FabrikantAltech
23,13 €
Each
Aantal stuks
30A 2 - 480Y/277V - R Appliance Circuit, Appliances, Business Equipment, Control Circuits and Some Electronic Applications, Lighting, Power Supplies, Sensitive Electronics, UL1077 Application, Wiring Protection Time Delay 10 kA MCCB - - - -
RS-stocknr. 899-1724
Fabrikantnummer2DU6R
FabrikantAltech
20,47 €
Each
Aantal stuks
6A 2 - 480Y/277V - R Appliance Circuit, Control Transformers, Power Supplies, Power Supplies and Reactive Loads, Sensitive Electronics, UL1077 Application Time Delay 10 kA MCCB - - - -
RS-stocknr. 899-4720
Fabrikantnummer3CU10L
FabrikantAltech
61,42 €
Each
Aantal stuks
10A 3 - - - L Lighting and Control Circuit Applications, Low Inrush Motors, Receptacles, Resistive Load, UL489 Application, Wiring Protection Time Delay 10 kA MCCB - - - -
RS-stocknr. 899-1516
Fabrikantnummer2D40UM
FabrikantAltech
35,31 €
Each
Aantal stuks
40A 2 - - - V-EA AC Discharge Lamps (Ballast), AC General Use, AC Incandescent Lamps (Tungsten), AC Motor Starting, AC Resistance, Across the Line, Heaters and Reactive Loads, High Inrush Motors, Power Supplies, Transformers, UL508 Application Time Delay 10 kA MCCB - - - -
RS-stocknr. 899-1816
Fabrikantnummer2EU05
FabrikantAltech
43,37 €
Each
Aantal stuks
500mA 2 - - - V-EA AC Discharge Lamps (Ballast), AC General Use, AC Incandescent Lamps (Tungsten), AC Motor Starting, AC Resistance, Across the Line, High Efficiency Motors, UL508 Application, Which have Exceedingly High Inrush Current Time Delay 10 kA MCCB - - - -
RS-stocknr. 899-1897
Fabrikantnummer2G3.5UM
FabrikantAltech
30,71 €
Each
Aantal stuks
3.5A 2 - - - V-EA - Time Delay 10 kA MCCB - - - -
RS-stocknr. 899-1819
Fabrikantnummer2E8UM
FabrikantAltech
30,71 €
Each
Aantal stuks
8A 2 - - - V-EA AC Discharge Lamps (Ballast), AC General Use, AC Incandescent Lamps (Tungsten), AC Motor Starting, AC Resistance, Across the Line, High Efficiency Motors, UL508 Application, Which have Exceedingly High Inrush Current Time Delay 10 kA MCCB - - - -
RS-stocknr. 899-4798
Fabrikantnummer3CU32L
FabrikantAltech
61,42 €
Each
Aantal stuks
32A 3 - - - L Lighting and Control Circuit Applications, Low Inrush Motors, Receptacles, Resistive Load, UL489 Application, Wiring Protection Time Delay 10 kA MCCB - - - -