SMR-B /230V

SMR-B /230V

Super multifunction relay - 4 wire, can be switched on and fluorescent

Your price
23.50 €
Your price with tax
28.44 €
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SMR-B | Super-multifunction relay


  • Multifunction relay designed for installation into a wiring box or under wall-switch in an existing electrical installation.
  • Advantageous and fast solution for exchanging standard wall-switch for a switch controlled by time or for an impulse relay controlled by a button.
  • 4-wire connection
  • 10 functions
  • Output contact 1x 16 A / 4000 VA, 250 V AC1 
  • Enables switching of fl uorescent lights and also energy saving lights
  • Suitable for switching loads greater than SMR-K, SMR-T, SMR-H, for example pulse relay, stair automatic switch, switching of ladder radiators in bathrooms
  • Independent galvanically separated input AC/DC 5 - 250 V, for example for control from a security system


Technical parameters


  • Number of functions: 10
  • Connection: 4-wire, with neutral
  • Voltage range: AC 230 V / 50 - 60 Hz
  • Power input (no operation/make): max. 1 / 1 VA
  • Supply voltage tolerance: -15 %; +10 %
  • Number of contacts: 1x NO-SPST (AgSnO2)
  • Operating temperature: 0.. +50 °C (+32.. +122 °F)
  • Operating position: any
  • Mounting: free at connecting wires
  • Dimensions: 49 x 49 x 21 mm (1.9˝x 1.9˝x 0.8˝)
  • Weight: 53 g (1.9 oz.)



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ELKO EP, s.r.o., Holešov

We develop, manufacture and deliver complete solutions for your electrical wiring. Czech company with more than 23-year tradition is a brand iNELS Smart Home Solution. One of the most comprehensive solutions on the market brings together wireless solutions and intelligent bus wiring. With this system you control heating, air conditioning, lighting and everything is perfectly secure. We are here for you from design to implementation and configure the system, thanks to our team of trained experts and partners.

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