Many control units are available to operate the linear actuators and telescopic pillars (BCU, VCU, SCU, MCU, Compact y SEM Series). The control units can have either AC input (100 or 240 V) or DC input. There are control units able to manage single actuators but also some allowing the connection of up to 6 actuators and several external Human Machine Interfaces - HMI. There is also a control unit able to operate DC actuators using a battery (power cable is needed to recharge). Designed to be single fault safe, not all are Medically approved control units.