Controller 4

The Controller 4 is an intelligent wireless input/output module, providing four relay outputs, six digital inputs and two temperature or light sensor inputs.  



  • High performance wireless narrow band operation with up to 2km line-of-sight range
  • Multi-hop wireless protocol
  • 4 × relay outputs NO/NC with relay status LEDs
  • Relay override buttons
  • 6 × digital inputs configurable for status, alarm or pulse meter
  • Digital input status LEDs
  • 2 × thermistor or light sensor inputs
  • Signal test/discovery button


Temperature & humidity

Operating temperature range -10 to +50°C

Operating humidity 75% RH (Non condensing)

Storage temperature -20 to +85°C

Storage humidity <90% RH (non-condensing)

Cooling Convection



Supply voltage 12VDC regulated (+/- 0.5V)

Current consumption 300mA (3.6W) max

Ripple/noise 100mV p-p max  



Relay contact rating 5A max @ 240VAC (resistive/inductive load), 5A max @ 30VDC (resistive/inductive load)

Relay mechanical life expectancy 10,000,000 operations min

Relay electrical life expectancy 100,000 operations min (max load)



Thermistor inputs 10KΩ Thermistor 10K3A1 (Resistive)

Digital inputs ‘Volt-free’ (Internal 12VDC supply) or Opto isolated, 50VDC max, threshold level ~5.5V  


RF data

RF frequency 433.05 – 434.79MHz

RF output 8dBm max

RF sensitivity -115dBm

RF bandwidth 25kHz (Narrow band)

RF channels 69

Antenna connector Female 50Ω SMA (SubMiniature version A)



Terminal covers UL94-VO, IP20 finger protection

Enclosure UL94-VO flame retardant PC, IP20 rated

Mounting 35mm DIN rail (EN 50022, BS 5584, DIN 46277-3) or direct surface mount. Optional adaptor for G rail mounting  


Weight & dimensions

Weight 223g (without antenna)

Width 88mm

Height 90mm

Depth 58mm




EN 301489-1: 2008

EN 55022: 2006

EN 61000-4-3: 2006

EN 61000-4-2: 2001

EN 61000-4-4: 2004

EN 61000-4-5: 2006

EN 61000-4-6: 2005

EN 61000-4-11: 2004

EN 61000-3-3: 1995


EN 60950: Information technology equipment

EN 60730: Automatic electrical controls

EN 50366: Domestic equipment


EU R&TTE directive for 25kHz

EN 300 220: EMC standard for short range devices

EN 301 489: EMC standard for radio equipment and services 




Become a partner today

Becoming a partner and using our wireless I/O couldn’t be easier. To get started, just request a call back from our partner manager.

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