TurbelleĀ® electronic 5001 has been fitted with an electronic motor. The pump can be operated on any direct-current source (battery, solar cells) from 10 V to 24 V. For a safe connection to the pump, we recommend the TurbelleĀ® Safety Connector 6105.50, which contains a 4 amps fuse. The safety connector permits normal operation with the TUNZEĀ® power supply unit, but in case of a power failure it will automatically switch over to a car battery or a direct-current source.