مرحل الضغط Siemens QPL25.500B 10 - 50 كيلو باسكال (500 مليبار)

Siemens QPL25.500B is a pressure switch for gas and air with an adjustable range of 10 to 50 kPa (equivalent to 100 to 500 mbar). It is used in industrial and commercial heating systems for high-pressure monitoring.