ELSNER 70142 KNX PS640-IP KNX Power Supply with Router

The ELSNER 70142 product, called KNX PS640-IP, is a power supply unit designed to meet the central needs of a KNX bus line. This device combines the functions of a power supply unit, an IP router and an IP interface.

Key Features

The KNX PS640-IP power supply unit provides a KNX bus voltage reduced to 29 V with a maximum output current of 640 mA, ensuring protection against short circuits. In addition, it provides an unreduced DC voltage at 24 V DC with a maximum output current of 150 mA, allowing the line to be reset directly on the device.

Monitoring and Diagnostic Functions

• Recording of operating hours, overload, external and internal overvoltage, short circuit and excessive temperature.
• Display of operating data, including bus voltage, bus current, and device temperature.
• The data visualization can be shown in German, English, Spanish or Dutch.

Communication and Reset Functions

• Bus connection for the transmission of error messages and operating data.
• Reset and diagnostics of the bus line, available only in the KNX PS640+IP model.
• Two KNX interfaces: one for the “PLUS” functions of the power pack and one for the IP router.

Technical Details

• Body material: plastic.
• Color: white
• Mounting: snap fastening on DIN rails.
• Degree of protection: IP20.
• Dimensions: approximately 123 x 89 x 61 mm (width x height x depth), 7 units wide.
• Total weight: about 370g.
• Ambient temperature: operating 0... +45 °C, storage -25... +70 °C.
• Relative air humidity: 5..95% RH, avoid condensation.
• Supply voltage: 230 V AC, 50 Hz.
• Power consumption: full load about 28W, standby about 2.3W

Work Environment

The KNX PS640-IP power supply unit is designed to operate in an environment with a temperature between 0 and +45 °C and a non-condensing relative humidity between 5% and 95%.