Characteristics
UDB :
Inline negative pressure monitor that gives Sound and light signals warnings when the negative pressure drops and automatically switches off the connected devices. Can be used upright or lying on rollers.
Hose size: Ø50mm, Ø75mm
Possible connections: 230V(16A), 400V(16A), 400V(32A), depending on the model
Switching point: -5 to -25mbar