Dold Frequency Monitoring Relay With DPDT Contacts
Dold Frequency Monitoring Relay With DPDT Contacts, Voltage Sensing Range: 15 → 280 V ac, 30 → 550V ac, Time Delay: 0 → 100 s, 0 → 50s, Frequency Sensing Range: 5 → 600Hz, Dimensions: 22.5 x 97 x 90mm, Frequency Sensitivity: Overfrequency, Underfrequency, Length: 22.5mm, Maximum Operating Temperature: +60°C, Maximum Voltage Sensed: 280 V ac, 550V ac, Minimum Frequency Sensed: 5Hz, Minimum Operating Temperature: -20°C, Minimum Voltage Sensed: 15 V ac, 30V ac, Mounting Type: DIN Rail, MPN: MK9837N.12 5-600Hz UH=AC230V