reed switch

US$1.3 US$0.38

reed switch is an electrical switch operated by an applied magnetic field. It consists of a pair of contacts on ferromagnetic metal reeds in a hermetically sealed glass envelope.

SKU: 2000 Category:

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The reed switch is an electrical switch operated by an applied magnetic field. It consists of a pair of contacts on ferromagnetic metal reeds in a hermetically sealed glass envelope. The contacts may be normally open, closing when a magnetic field is present, or normally closed and opening when a magnetic field is applied. The switch may be actuated by a coil, making a reed relay,or by bringing a magnet near to the switch. Once the magnet is pulled away from the switch, the reed switch will go back to its original position.

An example of a reed switch’s application is to detect the opening of a door, when used as a proximity switch for a burglar alarm.

CONTACT TYPE 1C
CONTACT RATING 100VA
PULL IN VALUE(PI) 80-240AT
DROP OUT VALUE(DO) ≥30AT
CONTACT RESISTANCE ≤50MΩ
BREAKOVER VOLTAGE ≥1000VDC
INSULATION RESISTANCE ≥100MΩ
ELECTROSTATIC CAPACITANCE 0.5PF
MAXIMUM SWITCHING VOLTAGE 500VDC
MAXIMUM SWITCHING CURRENT 4A
MAXIMUM CARRY CURRENT 8A
OPERATE TIME ≤5MS
BOUNCE TIME ≤5MS
 RELEASE TIME ≤2MS
MAXIMUM OPERATING FREQUENCY 100HZ
OPERATING TEMPERATURE -10-70℃


 

1.Reed contacts are hermetically sealed within a glass tube and do not receive the external atmospheric environment.

2.Quick response,and light weight.

3.Superior corrosion resistance and wear resistance of the contacts assures stable switching operation and long life.

4.Composed fast with the coil and magnet,reed switch can be used for reed relay or sensor.

5.Widely used in household appliances,control equipment,communication equipment,automotive electronic devides,warning devices,and measurement equipment,etc.

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