Dold Frequency Monitoring Relay, SPDT, DIN Rail
Dold Frequency Monitoring Relay, SPDT, DIN Rail, Time Delay: 0 → 20 s, 0 → 30s, Frequency Sensing Range: ±5Hz, Series: MK9143N, Dimensions: 97 x 22.38 +/-5Hz UH=AC230V tv=0-20s tan=0-30s.5 x 90mm, Frequency Sensitivity: Overfrequency, Underfrequency, Length: 97mm, Maximum Frequency Sensed: +5Hz, Maximum Operating Temperature: +60°C, Minimum Frequency Sensed: -5Hz, Minimum Operating Temperature: -20°C, MPN: MK9143N.