MH 9837 Varimeter Frequency Relay
หมวดหมู่สินค้า: MH 9837 VARIMETER Frequency Relay
15 ธันวาคม 2565
ผู้ชม 440 ผู้ชม
VARIMETER Frequency Relay
Brand : DOLD
Model : MH 9837, MK 9837N
Size : 45 x 90 x 97 mm, 22,5 x 90 x 97 mm.
- According to IEC/EN 60255-1
- Detection of over- or underfrequency of alternating voltage
- Fast reaction time by measuring duration of cycle of input frequency
- Universal measuring input for AC-voltages of 15 ... 280 V as well as 30 ... 550 V
- As option with measuring input for inverters
- 4 ranges adjustable response value 1,5 ... 200 Hz or 5 ... 600 Hz
- Adjustable hysteresis
- Adjustable start up time delay 0 ... 50 s at function underfrequency
- Adjustable monitoring time for missing input signal at function overfrequency
- Response delay programmable via terminals 0 ... 100 s
- Alarm storing or auto-reset programmable via terminals
- Galvanic separation between measuring input, auxiliary voltage and output contacts
- MH 9837 available with wide input range for auxiliary supply (AC/DC 24 ... 60 V or AC/DC 110 ... 230 V)
- 2 changeover contacts, closed circuit operation
- Open circuit operation on request
- LED indication for auxiliary voltage, measuring voltage and alarm status
- MH 9837.12/008: With galvanic separated analogue output (current/ voltage) and 11 step LED chain for the actual frequency
- Article number: 0058719
- Thermoplastic with V0 behaviour according to UL subject 94
