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

MO-1422 Miniature Off-Centre Contact Reed Switch

This MO-1422 Miniature Off-Centre Contact Form A type Reed Switch is designed for highly sensitive magnet applications when the magnet is being approached from the seal/lead side. Measurements are always taken with the contact overlap portion centered to the length of the test coil, with the width of all blades in a batch of switches, facing one way, for better in-group measurement accuracy. The cropped version of the MO-1422 is suitable for smaller plastic housings and can be soldered to cables, the SMD version is suitable for reflow on PCBs, and the vertical and horizontal mount versions are suitable for mounting on through hole PCBs.

  • Drawing of MO-1422 Reed Switch with Full Length Leads
  • Drawing of MO-1422 Miniature Off-Centre Contact Reed Switch with Cropped Leads
  • Drawing of MO-1422 with SMD mounting
  • Drawing of MO-1422 for Horizontal mounting
  • Drawing of MO-1422 with Formed Leads for Vertical mounting


Off-Centre Contact for Seal Side actuation. Ruthenium contact. Inert gas filled. 4 types of Lead Formations.



Omni-polar. Does not require power for operation. Sputtered Contact. RoHS Compliant. Not ESD Sensitive.

Cylindrical and Rectangular Magnets

Standard magnets-RRE We offer a range of magnets in different sizes and shapes, specially selected to...Continue reading ->

Actuation Distances for MO-1422 Reed Switches

MO-1422 reed switch actuation distance On/Off distances for the 14.0 mm MO-1422 reed switch having Cropped, SMD, Horizontal Mount...Continue reading ->


Contact FormA
Contact Rating (max)W/VA15.0
Switching Current (max)A0.5
Carry Current (max)A1.0
DC Switching Voltage (max)VDC150
AC Switching Voltage (max)VAC125
Breakdown Voltage (min)VDC200
Contact Resistance (max)150
Insulation Resistance (min)Ω1011
Capacitance (typ)pF0.2


Operate Time (max)ms1.50
Bounce Time (max)ms0.80
Release Time (max)ms0.15
Resonance Frequency (typ)Hz>2000
Operating Frequency (max)Hz500
Operating Temperature°C-40 to +200
Shock Resistance (½Sin wave for 11ms)G50
Vibration Resistance (10-2000Hz)G20
Test Coil Number717 102 002

Ordering Code

MO-1422-(Operate Band)-(Formation Code)

Operate BandAT15-50
Corresponding Release BandAT5-35
Formation CodeLead Type
Full Length Leads
HHorizontal Mount
VVertical Mount

Examples: MO-1422-15-20 denotes 15-20 Operate Band (AT) with Full Length leads. MO-1422-40-47-C denotes 40-47 Operate Band (AT) band with Cropped leads.

Other Special Configurations: Lower Static Contact Resistance, Dynamic Contact Resistance Limit, Higher Insulation Resistance, Special Release Limits, Gold plated leads.

Usage Notes

Here are some of the recommended usage notes to ensure maximum durability of this product. The complete usage notes are available here.

Ampere Turn Selection

Reed Sensor Manufacturer Cross Reference For any application, it is important to select the correct Ampere Turn (AT) or...Continue reading ->

Product Handling

Dropping Reed switch Reed Switches, Reed Sensor and Magnet Sensors are sensitive devices that easily develop micro...Continue reading ->

Manual Soldering

Soldered Reed switch Manual Soldering of reed switch leads may be required when using custom plastic housing...Continue reading ->

Ferro-magnetic parts

Ferromagnetic parts Using Ferro-magnetic mounting parts or screws within a 100 mm vicinity of a reed switch will...Continue reading ->

Potting and Encapsulation

Dispensing unit As some potting compounds cure over 24 hours, the glass seals should be protected....Continue reading ->

Reed Contact Protection Circuits

Inductive Load Protection Circuit When a reed switch is to be connected to an inductive load or a...Continue reading ->


Although we can never restrict the use of a reed switch to a particular field, the following is a list of some of the applications that the MO-1422 Miniature Off-Centre Contact Reed Switch is known to perform well.

Magnet Sensors for Two Wheeler Side Stand Sensing

Motorcycle Sidestand Magnet Sensors are used in two wheelers to sense whether the side stand has...Continue reading ->

Float Switches in Portable Air Conditioners

portable ac Portable ACs cool an area by removing the humidity in the room and storing...Continue reading ->

Reed switches and Reed Sensors in Barcode Scanners

Barcode Scanner A reed switch and magnet combination is used in the docks and barcode scanners...Continue reading ->

Magnet sensors in Hospital Electric Beds

Magnet sensors in end position detection Hospital electric beds come with a adjustment buttons that either raise the upper portion...Continue reading ->

Reed switches in Gear speed and direction sensing

Reed switches in gear speed and direction sensing Miniature ferrous part detection sensors can be positioned near gears to sense the speed...Continue reading ->

Reed switches in Electronics and Science Kits

Reed switches in science kits Reed Switches are used in many science and electronic kits for experimenting on various...Continue reading ->

Reed sensors in weather proof electronics

Water proof reed switch In weather smart phones tablets, hermetically sealed reed sensors within the IP67 enclosure can...Continue reading ->
MO-1422 15W Miniature Off-center Reed Switches
14.0mm x ø2.25mm, complete data sheet and technical specifications. This Reed Switch supersedes TRA 291 and can be considered a direct equivalent. Customers can safely use Mo-1422 in place of ORD 221 or HSR-077R.
Brand: RRE
Manufacturer: Reed Relays and Electronics
Model: MO-1422
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