RCKB-U

Is used for fire/combustion gas dampers and combustion gas dampers with 24V actuators without thermal sensor. The box is prepared for connection of fire thermostat or separate thermal sensor that deplete the supply voltage 24V to the connected actuators.

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RCKB-U

is used for fire/combustion gas dampers and combustion gas dampers with 24V actuators without thermal sensor. The box is prepared for connection of fire thermostat or separate thermal sensor that deplete the supply voltage 24V to the connected actuators.