Dold Voltage Monitoring Relay, 3 Phase, DPDT, DIN Rail

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1 527,46 kr

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1 909,32 kr

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RS-artikelnummer:
181-2794
Tillv. art.nr:
RK9871.72 3/N AC400/230V 50/60Hz
Tillverkare / varumärke:
Dold
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Brand

Dold

Monitoring Application

Voltage

Electrical Phase

3

Contact Configuration

DPDT

Voltage Sensitivity

Undervoltage

Mounting Type

DIN Rail

Frequency Sensing Range

45 → 65Hz

Series

RK9871

Length

66mm

Dimensions

66 x 17.5 x 90mm

Minimum Frequency Sensed

45Hz

Operating Temperature Range

+55°C

Minimum Operating Temperature

-25°C

Height

90mm

Width

17.5mm

Maximum Frequency Sensed

65Hz

Maximum Operating Temperature

+55°C

Terminal Type

Screw

COO (Country of Origin):
DE
Detection of undervoltage in 3-phase systems
Without separately auxiliary voltage (internal supply from all 3 phases)
LED indication for operation voltage and contact position
De-energised on trip
RK 9871.71: 1 changeover contact RK 9871.72: 2 changeover contacts
With fixed time delay of 0.5s for fault indication
With fixed time delay of 1min for reset
With fixed response value at AC 195.5V
As option with test-button for function control
Width 17,5 mm
Advantages / Customer benefit
Higher safety in buildings
Application
Monitoring of undervoltage in 3 phase voltage systems and switch over to emergency supply

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