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Undervoltage Relay RK 9871

RK9871.png

Features

• According to IEC/EN 60255-1
• For installations according to DIN VDE 0100-718 and DIN VDE 0108-100
(replacement of DIN VDE 0108 )
• Detection of undervoltage in 3-phase systems
• Without separately auxiliary voltage
(internal supply from all 3 phases)
• LED indication for für 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

• According to IEC/EN 60255-1
• For installations according to DIN VDE 0100-718 and DIN VDE 0108-100
(replacement of DIN VDE 0108 )
• Detection of undervoltage in 3-phase systems
• Without separately auxiliary voltage
(internal supply...

more...

Advantages / Customer benefit

• Higher safety in buildings

Function Undervoltage Relay
1- / 3-phase 1; 3
Measuring range max. AC 400 V
Output contacts 1 w; 2 w
Operate delay +
Enclosure design Installationsverteiler
Width 17,5 mm
Type RK 9871

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Datasheet / Operating Instructions, File: pdf, File size 149 KB

EPLAN Electric P8 Makro, RK 9871, File: zip, File size 212 KB

 

 

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