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Indoor PIR Sensor for Ceiling Mount PC Material UKEW® (ukew-st41b) by

Indoor PIR Sensor for Ceiling Mount PC Material UKEW® (ukew-st41b) by



Call us on: 0161 832 6309

Views: 26343 Brand: UKEW
Product Code: ukew-st41b
Availability: 469
£10.80 Ex Tax: £9.00
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Delivery Information

UKEW Lighting offer Free Delivery on orders over £20.00 To Mainland UK, We use 2 -3 day service usually its Hermes or Royal Mail.

Delivery to these areas are not included in free postage these incur extra charges as they are not Mainland U.K. -

Northern Ireland, Scottish Highlands, Scottish Islands, Channel Islands, Isle of Wight, Isle of Man, Sicily Isles, etc


DPD Next Working Day Service 

Next Working Day deliver service is from DPD which offers delivery with 1 hour time slot and text alerts and option to have your parcel delivered with neighbour, different address or safe place.

Next Day Delivery is available Mon - Fri- orders placed before 2 p.m

Orders placed on friday for next day delivery will be received on monday (next working day).

Saturday delivery is available if needed as this will incur extra charge so please call us.


Dispatch Information

Orders are dispatched daily Mon - Fri

weekend orders are dispatched on Monday due to Royal mail and couriers been closed.



Indoor PIR Sensor for Ceiling Mount PC Material UKEW®



1 Detection Range: 360 degree 
2 Power Consumption: 0.45W (work) 0.1W (static) 
3 Detection Distance: max.6m 


ST41B Infrared Motion Sensor Ceiling Mount Indoor PC Material  


The product adopts good sensitivity detector, integrated circuit. It gathers automatism, convenient safe, saving-energy and practical functions. It utilizes the infrared energy from human as control-signal source, it can start the load at once when one enters detection field. It can identify day and night automatically. It is easy to install and used widely.



Power Sourcing:



Detection Range: 360°
Power Frequency:  50/60Hz    WorkingTemperature: -20~+40°C
Ambient Light:   Working Humidity:  
Time-Delay: min.10sec±3sec   Max.7min±2min                    Installing Height: 2.2m~4m
Rated Load:


800W (incandescent lamp)

200W (energy-saving lamp)  



1200W (incandescent lamp)


300W (energy-saving lamp) 


Power  Consumption:   0.45W (work)   0.1W (static)
Detection Distance  max.6m ( Detection MotionSpeed:  0.6~1.5m/s


Lifetime and warranty


Lifetime (hr)

 26000-45000 at least




  • Identify day and night automatically. Can adjust ambient light according to your desire: when turn to SUN (max), it will work in the daytime and at night. When turn to MOON (min), it will only work under less than 3LUX circumstance. As for Adjustment, please refer to testing way.
  • Time-delay is added continually: when it receives the second induction signal after the first inductor, it will compute time once more on the rest of the first time-delay basic (Set time) .
  • Time-delay adjustment: it can be set according to your desire. The minimum is 10±3 sec; the maximum is 7±2min.

INSTALLATION: (as following drawing.):

  • Turn off the power.
  • Moving the transparent vinyl cover what is in the bottom of the sensor.
  • Loosing the screws in the connection terminal, connecting the power and rated load to connection terminal of sensor according to connection sketch map.
  • Tighten the screws; put the transparent vinyl cover into the original station.
  • Folding the metal spring of the sensor to upwards, until they are in “I” position with sensor, then put the sensor into the hole or installation box what is in the ceiling, the size is similar with item. Releasing the spring, the sensor will be set in this installation position.

After finishing installing, the sensor could be connected the power and testing it.



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