Reed Switches from Comus International

Coto Reed Switch -- RI-21

Coto Reed Switch -- RI-21 -- View Larger Image
Coto Reed Switch -- RI-21-Image

Micro dry-reed switch hermetically sealed in a gas-filled envelope.
Single-pole, single-throw (SPST) type, having normally open contacts,
and containing two magnetically actuated reeds.
The switch is of the double-ended type and may be actuated by an
electromagnet, a permanent magnet or a combination of both.
The device is intended for use in sensors, relays, pulse counters or
similar devices.


  • General purpose reed switch
  • High breakdown voltage
  • Contact layers: gold, plated ruthenium
  • Superior glass-to-metal seal and blade alignment
  • Excellent life expectancy and reliability

Product Category
Reed Switches
Switch Type
Dry Reed Switch
Electrical Specifications
Current Rating
2.75 amps
AC Voltage Rating
250 volts
DC Voltage Rating
200 volts
Operating Temp
-67 to 257 F (-55 to 125 C)

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Maximum Initial Contact Resistance
Glass Encapsulant Length
Total Length

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