Cumberland® Back Up 8 Stage Safety Relay Box

Security device which ensures the presence of ventilation, of heating and/or of a sufficient air intake in case of failure of the main ventilation system. The backup box uses the same outputs as the ones used by the regular ventilation system. It has 2 different and independent security modes. The first security mode is used in case of an extreme room temperature, the second security mode is used in case of power failure of the main controller or relay panel.