About Magnetic/Reed Switches

Littelfuse Magnetic/Reed Switches

A magnetic/reed switch is a switch that closes or opens when in the presence of a magnetic field and is often used in low-voltage circuit applications. They consist of a ferromagnetic material such as soft iron, a thin strip of metal such as copper and a contactor, usually a thin strip of material such as a steel blade. The ferromagnetic material and thin strip of metal can be arranged in a variety of ways, but when the switch is not in a magnetic field all of the contacts remain in place and there is no current flow. However, when a magnetic field is present, the ferromagnetic material and thin strip of metal react and push against each other, thus closing the switch, thus allowing current to flow. These switches are often used in applications such as doorbells, security systems, automotive ignition systems, and air flow sensors. They are also simple, reliable and cost effective.

Magnetic/Reed Switches

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Global Stock ⓘ (▲▼)Price(USD) 

(Ex. GST)(▲▼)		Enter Qty Switch TypeContact FormContact RatingOperate RangeOperating GapMagnet TypeColorTermination StylePackaging
  
             
MDSR-4-12-23


Glass Body Reed Switch SPST-NO 12 ~ 23AT Operate Range 10W 500mA (DC) Through Hole
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This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges.

Littelfuse Availability : 1126
Ship by Tue. 16 Jul to Thu. 18 Jul Calender.png

USD 0.7556
Multiples of: 1

Sub - MiniatureSpst 12 At To 23 At  ClearAxialBulk
MLRR-3 22-28


Magnetic/Reed Switches MLRR-3 22-28
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This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges.

Littelfuse Availability : 970
Ship by Tue. 16 Jul to Thu. 18 Jul Calender.png

USD 0.8958
Multiples of: 1

Miniature Normally Open Switch1 Form A (Spst - No)1 A22 At To 28 At  ClearAxialBulk
MLRR-3 27-33


Magnetic/Reed Switches MLRR-3 27-33
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This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges.

Littelfuse Availability : 970
Ship by Tue. 16 Jul to Thu. 18 Jul Calender.png

USD 0.8958
Multiples of: 1

Hermetically Sealed Switch1 Form A (Spst)20 W27 At To 33 At  ClearAxialBulk
MRPR-20-32-38


Switch Reed N.O. 1.5A 265VAC 250VDC 50VA 0.75ms 100mOhm
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This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges.

Littelfuse Availability : 970
Ship by Wed. 10 Jul to Tue. 16 Jul Calender.png

USD 2.2176
Multiples of: 1

MiniatureSpst50 W32 At To 38 At  ClearAxialBulk
MDRR-DT 20-25 U


Magnetic/Reed Switches MDRR-DT 1156 20-25 U
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This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges.

Littelfuse Availability : 970
Ship by Tue. 16 Jul to Thu. 18 Jul Calender.png

USD 3.059
Multiples of: 1

Hermetically Sealed Switch1 Form C (Spdt)5 W20 At To 25 At  ClearTwin Blade TerminalsBulk
MRPR-20-17-43


Magnetic / Reed Switches NO 17-43AT
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This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges.

Littelfuse Availability : 969
Ship by Tue. 16 Jul to Thu. 18 Jul Calender.png

USD 2.1375
Multiples of: 1

MiniatureSpst50 W17 At To 43 At  ClearAxialBulk
MDSR-4-17-23


Magnetic/Reed Switches MDSR-4 17-23
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This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges.

Littelfuse Availability : 968
Ship by Tue. 16 Jul to Thu. 18 Jul Calender.png

USD 0.8104
Multiples of: 1

Sub - MiniatureSpst10 W17 At To 23 At  ClearAxialBulk
MDCG-4-17-28


Magnetic / Reed Switches MDCG-4 5265 17-28 RDSW
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This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges.

Littelfuse Availability : 967
Ship by Tue. 16 Jul to Thu. 18 Jul Calender.png

USD 0.855
Multiples of: 1

Sub - MiniatureSpst - No10 W17 At To 28 At  ClearAxialBulk
MACD-14-10-20


Magnetic / Reed Switches 10-20AT 200Vdc @ 10W
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This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges.

Littelfuse Availability : 967
Ship by Tue. 16 Jul to Thu. 18 Jul Calender.png

USD 0.895
Multiples of: 1

Hermetically Sealed SwitchSpst 10 At To 20 At -ClearAxialBulk
MDSR-4 12-18


Magnetic/Reed Switches MDSR-4 12-18
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This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges.

Littelfuse Availability : 958
Ship by Tue. 16 Jul to Thu. 18 Jul Calender.png

USD 0.7831
Multiples of: 1

Magnetic Switch1 Form A (Spst)10 W12 At To 18 At  ClearAxialBulk
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