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FLAT ceiling sensor for RATIO

Push Button Module (PBM) for RATIO - for use with momentary switches

RATIO Power Supply

Extend RATIO control with these options:
RATIO-RELAYKIT-20A-120/277 - For Control of electrical outlets, ceiling fans, etc.


  • RATIO addressable low voltage relay module and 20A power pack for field installation
  • Requires RATIO control devices. Minimum required controls are 1 sensor, 1 Bluetooth-enabled push button module (PBM), and 1 power supply.
  • Normally-open momentary dry contact closure buttons with a single common required for PBM inputs. Maximum of 4 buttons plus common per PBM.
  • Designed for indoor and dry locations
  • Field installed using standard 4x4 junction boxes or other enclosures. Two junction boxes or separate enclosure compartments are required; one for the line voltage terminations, and one for the low voltage terminations
  • The kit includes 1 low voltage addressable DALI relay, 1 20A sensor power pack, 2 lock nuts, and 1 RJ-12 to terminal block adapter. Junction boxes and other required hardware not included.
  • Power pack relay output is a maintained dry contact closure, 20A @120 - 277 V 50 /60 Hz
  • Relay kit output wired for normally open (N.O.) operation
  • Individually addressable. Can be assigned to groups and scenes. When using the RCK for receptacle plug load control, use of a separate occupancy sensor targeting a different group from the lighting group is recommended.
  • Relay opened and closed by recalling scene levels 100% or 0, or toggle on/off commands
  • Set-up and programming is accomplished using our free RATIO Android or iOS app. Requires a Bluetooth-enabled phone or tablet by others. Contact B.E.G. Controls for list of compatible devices.
  • ROHS and REACH compliant
  • 5 years limited warranty
  • Indoor applications:
    Conference Rooms
    Private Offices
    Media Rooms
    Lecture Halls
    Hotel Ballrooms and Meeting Rooms


   Type Part no.   
   RATIO-RELAYKIT-20A-120/277 49712   
   Technical data
  • Operating voltage: 16 V DC from B.E.G. Controls RATIO power supply UL Class 2 Low Voltage
  • RATIO Bus Power consumption: 10 mA
  • Contract Type: Dry Contact
  • Switching Capacity: 30V AC/DC, NO/
  • Dimensions:
    1.62 x 1.18 x 0.44 in /
    41 x 30 x 11 mm
  • Operating Temperature: -4 °F to 122 °F / -20 °C to +50 °C
  • Suitable Environment: 32 °F to 122 °F / 0 °C to +50 °C Dry (Non-condensing)
  • Housing: UV- and shock resistant/flame retardant polycarbonate
  • Connections and wires: Wire leads, 22 AWG

  • Operating voltage: 120 - 277 V 50 /60
  • Power output: 24 V DC/180 mA (Class II)
  • Control input:
    24 V DC/4 mA 1 control input. Normally-open momentary contact switch or dry contact closure.
  • Operating temperature: -4 °F to 122 °F / -20 °C to +50 °C
  • Suitable Environment:
    32 °F to 122 °F / 0 °C to +50 °C Dry (Non-condensing)
  • Housing: UV- and shock resistant 5VA material
  • Follow-up time: 5 min - 120 min, Alarm pulse, Pulse
  • Compliances: ETL listed for the U.S. and Canada (UL STD 60730-1 and CSA STD E60730-1). UL 2043 plenum ra
  • Switching power:
    max. 20 A / 277 V AC 50/60 Hz
    1hp @ 277 V AC 50/60 Hz

   Downloads RATIO-RELAYKIT-20A-120/277
  Specification Details [...]

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