Dold Frequency Monitoring Relay, DPDT, 15 → 280V ac, DIN Rail

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2 961,26 kr

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3 701,58 kr

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RS-artikelnummer:
181-2791
Tillv. art.nr:
MK9837N.12/050 5-600Hz UH=DC24V
Tillverkare / varumärke:
Dold
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Brand

Dold

Monitoring Application

Frequency

Contact Configuration

DPDT

Voltage Sensing Range

15 → 280 V ac, 30 → 550V ac

Mounting Type

DIN Rail

Time Delay

0 → 100 s, 0 → 50s

Frequency Sensing Range

5 → 600Hz

Series

MK9837N

Frequency Sensitivity

Overfrequency, Underfrequency

Maximum Frequency Sensed

500Hz

Length

97mm

Minimum Voltage Sensed

15 V ac, 30V ac

Maximum Operating Temperature

+60°C

Width

22.5mm

Height

90mm

Minimum Operating Temperature

-20°C

Dimensions

97 x 22.5 x 90mm

Minimum Frequency Sensed

5Hz

Terminal Type

Screw

Maximum Voltage Sensed

280 V ac, 550V ac

Operating Temperature Range

+60°C

COO (Country of Origin):
DE
Detection of over- or under frequency of alternating voltage (adjustable function)
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
Adjustable hysteresis
Adjustable monitoring time for missing input signal at function over frequency
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
Device available with 2 response values and separately controlled output relays for under- and over frequency see MK 9837N/500

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