Ajax MotionProtect Black Front View SW420B
Ajax MotionProtect Black Front View SW420B
Ajax MotionProtect Black 3-Way View SW420B
Ajax MotionProtect Lifestyle Image 1 SW420B
Lifestule Image 2 SW420B
Ajax Lifestyle Image 3 BD420B

Ajax MotionProtect Black

R 1,184.00 Incl. VAT
R 0.00 Incl. VAT

Available to order online or collect at 6 Cosmic Street Linbro Park, Sandton, 2090 (Map)


Spec Data Sheet Button

The Ajax MotionProtect Black is a wireless indoor motion detector that detects human presence by using a passive IR sensor. It can operate for up to 5 years from a built-in battery and monitors the area within a 12-meter radius. MotionProtect ignores animals, while recognizing a human from the first step.

Please note: Ajax MotionProtect operates within the Ajax system, connected to the hub via the protected Jeweller protocol.

Compatible with all Ajax hubs, Ajax ReX, Ajax ocBridge Plus and Ajax uartBridge.

Product Code: 5314.09.BL1



  • Wireless motion detector
  • Built-in battery (lasts up to 5 years)
  • Monitors an area within a 12m radius
  • Communication range of 1700m (in an open space/line of sight)
  • Pet Immune (ignores pets with weight of up to 20 kg and height up to 50 cm)
  • Accurately detects motion in heat conditions, even at a temperature of +40°С
  • Detector can be used as a part of third-party security central units via the uartBridge or ocBridge Plus integration modules.
  • Detector is set up via the Ajax app for iOS, Android, macOS and Windows
  • System notifications delivered via push notifications, SMS and calls (if activated)
  • Quick and Easy installation
  • Authentication to prevent forgery
  • Jamming detection and communication channels encryption
  • Tampering alarm



The Ajax MotionProtect comes ready to operate straight out the box.

The battery is pre-installed, so there is no need to disassemble the detector. The Ajax MotionProtect can be mounted on the SmartBracket in just a few minutes and fastened to the wall in front of the doors and other places likely of intruder entry.

Connect the Ajax MotionProtect to the hub via the mobile application.



Compatibility Operates with all Ajax hubs, Ajax ReX, Ajax ocBridge Plus and Ajax uartBridge
Classification Electro-optical combined radio channel security detector
Type of detector Wireless
Installation method Indoors
Sensing element PIR sensor
Alarm signal delivery time 0.15 s
Detection angles Horizontal: 88.5° and Vertical: 80°
Time for motion detection From 0.3 to 2 m/s
Sensitivity Adjustable, 3 levels
Recommended installation height 2.4 m
Pet immunity Weight: Up to 20 kg and Height: Up to 50 cm
Power supply CR123A battery, 3V
Battery life Up to 5 years
Communication range with central unit Up to 1,700 m in an open space
Two-way communication between devices Yes
Operating frequencies 868.0—868.6 MHz
Self-adjusting RF output power Up to 20 mW
Block encryption based on AES algorithm Yes
Device polling period 12−300 s
Temperature sensor Available
Operating temperature range From -10°С to +40°С
Permissible humidity Up to 75%
Remote setting and testing Yes
Certification Grade 2, CE
Product Dimensions 110 mm х 65 mm × 50 mm
Product Weight 86g
Packaging Dimensions 115 mm x 77 mm x 65 mm
Mass of unit packed 200g
Warranty 24 months limited Manufacturer’s warranty. The warranty does not cover batteries.



1 x Ajax MotionProtect Black   

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