HRF-10

• The relay serves to monitor frequency of AC voltage, e.g. in photovoltaic power stations, generators.
• The monitored frequency 50/60/400 Hz is selected by a switch.
• Two adjustable levels of frequency (Fmin, Fmax) in the range of 80 - 120 % Fn.
• Adjustable diff erence level.

Technical parameters

• Circuit monitoring: 1-phase
• Adjustable range: 40-60 Hz, 48-72 Hz, 320-480 Hz
• Output: 2x CO, 8 A
• Housing: 3-MODULE
• Power supply: AC 161-500 V (50/60/400 Hz)
• Dimensions: 90 x 52 x 65 mm (3.5˝ x 2˝ x 2.6˝)