... controlled relief valve is a combination of a low-noise type pilot operated relief valve and a solenoid operated directional valve ... . It is used for no-load pump operation by using electric signals or, together with a ... :A100,A120A200,A240DC:D12,D24D48AC→DC:R100,R200None:Terminal Box Type N: With Plug-in Connector (DIN)(ViewedfrompressuregaugeConnection) L: Left( ...