• Pressure switches for use with air compressors
• The switch ensures automatically starting and stopping of the compressor according to the preset pressure values
• Electrical contacts: normally closed, made of brass alloy with Ag-Ni surfacing
• Terminals with M4 screws and 8x8 mm pressure dice
• Oil-resistant NBR rubber membrane with textile insert
• ¼" F galvanised steel hydraulic connection
• Standard protection degree IP 44
• Max ambient temperature 55°C
• Tear resistant cable clamps
• Cover with on/off button
• Air-relief valve for 6 mm diameter pipe with delayed closing system for model PMA single phase, and with instant-closing action for model PTA three phase

APPLICATIONS: Pressure switches for air compressors