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Technology Radar


BEA’s MS21 is the industry’s first low-profile touchless actuator plate utilizing capacitive technology for the activation of automatic doors.

The hands-free MS21 includes a stainless steel faceplate and an illuminated LED mounting ring for unparalleled durability, visibility and convenience.

The MS21 blends form with function into an aesthetically pleasing design that is ideal for healthcare facilities, labs, pharmaceutical, clean rooms, washdown areas and a variety of other applications. The MS21 helps reduce the spread of germs and bacteria.

Innovative features include a short-range adjustable detection zone, visual and audible alerts, IP65 rated enclosure, backlit LED and a variety of faceplate design options.



Ideal for close quarter environments

Short range detection zone reduces unwanted activations

FEATURES - Highly Visible

Highly visible

LED illuminated mounting ring increases visibility

Durable, weather resistant design

Stainless steel faceplate is ideal for harsh environments

Aesthetically pleasing

Low profile, beveled design reduces accidental damage

Table of specifications

Technology Type

Capacitive Sensing


Detection Mode



Supply Voltage

12 – 24 VAC / VDC


Current Consumption

37 mA (typical)


Temperature Range

-20 – 120 °F


Degree of Protection



Sensing Zone**

0 – 4”



1 Form A solid-state relay;
0.4 A, 60 VAC / VDC (Max.)


Cable Length

6” (5-conductor)



Stainless steel (faceplate)
Clear Polycarbonate
(Mounting Ring, Backplate and Enclosure)


** See User’s Guide

  • ms21r

    6 inch round, text & logo

  • ms21r-text-only

    6 inch round, text only

  • ms21r-handicap-only

    6 inch round, logo only

  • 10MS21HS1

    4.75 inch square, text & logo

  • ms21s-text-only

    4.75 inch square, text only

  • ms21s-handicap-only

    4.75 inch square, logo only

  • boxes-collage
    Push Plate Mounting Boxes

    Mounting Accessories for BEA Push Plates

  • 900mhz-retrofit
    900 MHz Retrofit Transmitter

    BEA’s 900 MHZ RETROFIT TRANSMITTER is used to easily upgrade existing hardwired push plates to a touchless solution.

Frequently Asked Questions

Why is the MS21 causing the door to cycle?  

There is possibly a grounding issue. Ground all unused conductors in the same cable as the power conductors. Be sure to use shielded cable and verify that both ends of the cable are grounded.


Can the MS21 activate devices other than doors? 

Yes. Always review power calculations to verify amperage and voltage limitations.


Are BEA touchless switches compatible with all brands and types of doors?  



How is the MS08 wired? 

The MS08 has a 4-wire configuration:

red and black = power

white = common

green = normally open

spare terminal = normally closed (if needed)


How do you adjust the relay hold time? 

The relay hold time potentiometer (POT).


Is there an audible alert? 

MS21 = yes (DIP)

MS08/09 = N/A

MS11 = yes (jumper)


Is there a toggle or latching feature? 

MS21H = N/A

MS08/09 = yes (output switch)

MS11 = yes (output mode jumper)


Do I need a special type of wire for any of the Magic Switch products? 

Only the MS21 requires shielded wire. All other Magic Switch products (MS08, MS09, MS11) require a standard grade, 4-conductor cable.


Is it possible to make a Magic Switch wireless? 

Using the 900 MHz Retrofit Transmitter, a Magic Switch can transmit wirelessly but still requires power to be hard-wired.


What are the minimum and maximum ranges for the MAGIC SWITCHES? 

MS08: 4″ to 24″

MS09: 4″ to 24″

MS11: 2″ to 24″

MS21: 0″ to 4″


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