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| Item number:
2794E-1812793 Manufacturer no.:
MK9143N.38 +/-5Hz UH=DC24V tv=0-20s tan=0-30s EAN/GTIN:
n/a |
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| Monitoring of local generator sets and voltage supplies For precise frequency measuring with fast response time High disturbance immunity Separately adjustable trip points and separate outputs for over- and under frequency (1 or 2 c/o each) MK 9143N / MH 9143: Trip points adjustable precisely and reproducible on 10 step rotational switch in the range of ± 0,1 Hz to ± 5 Hz related to 50 or 60 Hz Nominal frequency 50 or 60 Hz selectable Fixed hysteresis optimised for trip point As option one common output for under and over frequency “;Window”;-mode (MK 9143N/400 / MH 9143/400) Variable alarm value in the range of 45 to 65 Hz Hysteresis adjustable for under- and over frequency separatelyadjustable 0 …20% Common output for under and over frequency “;Window”;-mode can be selected Start up delay 0…30 s selectable Manual or auto reset selectable Output relay energized or de-energized on trip selectable for over frequency Output relay de-energized on trip for under frequency Universal frequency measuring input for AC 40 … 550V Several options for auxiliary supply LED indicators for auxiliary supply, input frequency, over and under frequency alarm More information: | | Monitoring Application: | Frequency | Contact Configuration: | SPDT | Mounting Type: | DIN Rail | Time Delay: | 0 → 20 s, 0 → 30s | Frequency Sensing Range: | ±5Hz | Series: | MK9143N | Dimensions: | 97 x 22.5 x 90mm | Frequency Sensitivity: | Overfrequency, Underfrequency | Height: | 90mm | Length: | 97mm | Maximum Frequency Sensed: | +5Hz | Maximum Operating Temperature: | +60°C | Minimum Frequency Sensed: | -5Hz | Minimum Operating Temperature: | -20°C | Operating Temperature Range: | +60°C |
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