Reed Relays and
Electronics India Limited
Manufacturer of Reed Switches, Reed Sensors and Reed-based products
Reed Relays and Electronics India Limited Incorporated in 1971

MS-214 Miniature Cylindrical Sensor

MS-214 tip to tip actuation distance Miniature Cylindrical Proximity Reed Sensor Drawing
MS-214 parallel actuation distance

Click the thumbnails on the left to view actuation distances


Does not require power for operation Omni-polar device; actuates with either pole of magnet Normally Open contact Sputtered Ruthenium contact 10W switching capability Three magnetic sensitivity bands RoHS Compliant and Lead-free Not Sensitive to ESD Various types of leads and connectors available


This miniature cylindrical sensors are suitable for carrying moderate loads without sacrificing on size and can withstand more shock and vibration than the ultra-miniature variety. Various activating distances are available depending on the magnet and the AT band used. This sensor can be supplied with non-standard connectors on request. All sensors are tested 100% for Operate AT, Release AT, Static Contact Resistance and Variable Contact Resistance before packing. Our products are completely Lead-free and conform to the RoHS directive.


This magnetic proximity sensor is suitable for use in the following applications and in many others: fluid and electricity meters, detergent level sensing in washing machines, two wheeler throttle, accidental airbag deployment prevention, anchor and rudder position sensing in boats, anemometers, tamper proofing, treadmills, exercise cycles, Surveyor’s Wheels, hotel card readers, sun visor


Contact Form A
Contact Rating (max) W/VA 10.0
Switching Current (max) A 0.5
Carry Current (max) A 1.5
DC Switching Voltage (max) VDC 180
Breakdown Voltage (min) VDC 200
Contact Resistance (max) 150
Operating Temperature °C -40 to +70
Shock Resistance (½Sin wave for 11ms) G 30
Vibration Resistance (10-2000Hz) G 20

Ordering Code

MS-214-(Operate AT Code)-(Cable Length in mm)-(Lead Type Code)

OAT Code OAT Band Lead Type Code Code
1 10-15 S Stripped to 5 mm
2 15-20 T Stripped and Tinned
3 20-25

Operate AT bands indicated above are for unmodified reed switch.
Example: MS-214-1-500-S
Denotes MS-214 proximity sensor in 10-15 Operate AT, with 500 mm cable length and stripped ends.

Possible magnet actuations

Cylindrical Magnetic Proximity Reed Sensor Actuation Examples
A few examples of magnet actuation are shown above. Cylindrical proximity sensors can be used in pneumatic cylinder end position sensing applications. Being an omnipolar device, this sensor can be actuated with either a north pole or a south pole or both. Choosing the right AT band, magnet strength, and operating axis, will restrict the number of operates and releases to one. Click here to view actuation distances of this sensor with the standard magnets.

MS-214 Miniature Magnetic Proximity Sensor
MS-214 Miniature Cylindrical Sensor from RRE: 4.0 mm diameter, 10W switching capability, omnipolar, complete data sheet and technical specifications.
Brand: RRE
Manufacturer: Reed Relays and Electronics
Model: MS-214
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