The operating hour counter BW 40.28 by Hugo Müller is a robust and precise measuring device for the exact recording of operating hours of electrical systems. It is specifically designed for panel mounting and is ideal for industrial and technical applications where reliable runtime documentation is required. With front dimensions of 55 x 55 mm and a mounting opening in square form (45 x 45 mm) or circular form (Ø 50.5 mm), it offers flexible installation in standard control panels. The integrated running indicator enables quick and easy reading of the total operating time. The counter features a clamping bracket for secure and stable installation, as well as a universal connection that facilitates use with various connection types. The operating voltage is 230 V at a frequency of 60 Hz, making it suitable for use in standard networks with this specification.

Technical Data

• Operating voltage: 230 V
• Frequency: 60 Hz
• Mounting type: Panel mounting
• Front dimensions: 55 x 55 mm
• Mounting opening: Square 45 x 45 mm / Circle Ø 50.5 mm
• Mounting: With clamping bracket
• Connection: Universal connection
• Display: With running indicator