Siemens Flow Switch, PN25, 230V AC Supply Voltage - BPZ:QVE1901 This flow switch from Siemens, with a supply voltage of 230V AC is designed for monitoring air, gas, liquid, and water in hydraulic systems. It offers manual setting of contact type, maintaining a high level of protection with IP65 housing and protection class II. The device is a reliable solution for flow monitoring in HVAC plants, refrigeration, heat pump, and heating systems. Features & Benefits • Supply voltage of 230V AC for efficient operation
• Air, gas, liquid, and water can be monitored for versatile use
• Manual setting of contact type NO/NC for customisable functionality
• Housing IP65 and protection class II for robust protection
• Maintenance-free design for peace of mind
• Ideal for flow monitoring in HVAC, refrigeration, and heating systems Applications • Flow monitoring in hydraulic systems
• Monitoring of liquid medium in HVAC plants
• Suitable for use in refrigeration, heat pump, and heating systems
• Can be used for evaporators, boilers, and heat exchangers Can it monitor multiple types of media? Yes, the flow switch can monitor air, gas, liquid, and water. Will it work in various HVAC systems? Yes, it is designed for flow monitoring in HVAC, refrigeration, and heating systems. Is the contact type customisable? Yes, the flow switch offers manual setting of contact type, allowing users to choose between NO and NC options. What is the ideal application for this flow switch? The device is ideal for flow monitoring in hydraulic systems, HVAC plants, and various heating systems. Can it be used in refrigeration systems? Yes, the flow switch is suitable for use in refrigeration systems, including evaporators and heat exchangers.