B I Enterprise offers Connection Box for Light Curtains. B I Enterprise also offers limit switches, bus compatible distribution system, level sensor, distance sensor, safety interfaces, pulse insulators. The Connection Box for Light Curtains allows a quick and simple connection of both the emitter and the receiver, while providing all the necessary commands for the light curtain / light grid operation close to the protected gate. The Connection Box for Light Curtains has contacts safety relays. This Connection Box is available in two models.