Dold Frequency Monitoring Relay, DPDT, 15 → 280V ac, DIN Rail
12/050 5-600Hz UH=DC24V.5 x 90mm, Frequency Sensitivity: Overfrequency, Underfrequency, Length: 97mm, Maximum Frequency Sensed: 500Hz, Maximum Operating Temperature: +60°C, Maximum Voltage Sensed: 280 V ac, 550V ac, Minimum Frequency Sensed: 5Hz, MPN: MK9837N.Dold Frequency Monitoring Relay, DPDT, 15 → 280V ac, DIN Rail, Voltage Sensing Range: 15 → 280 V ac, 30 → 550V ac, Time Delay: 0 → 100 s, 0 → 50s, Frequency Sensing Range: 5 → 600Hz, Series: MK9837N, Dimensions: 97 x 22.