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DOLD RN 9877/800 – Overvoltage relay

Brand
DOLD
Part number
RN 9877/800
Order number
0068251

Overvoltage relay

  • Preventive maintenance
  • For better productivity
  • High repeat accuracy
Category: SKU: DOLD-0068251 Tags: Brand:
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Brand

DOLD

Housing width

52.5 mm

Output contacts

1 C/O contact

Enclosure design

Distribution board

Phases

1

Order number

0068251

The overvoltage relay RN 9877/800 of the VARIMETER PRO series monitor overvoltage in a AC network. The measurement is very simple and without extensive wiring as there is no auxiliary power supply necessary. The early detection of up-coming break downs and preventive maintenance avoid expensive damages. As user you profit from the reliability and availability of your plant.

Features

  • According to IEC/EN 60255-1
  • For monitoring of AC single-phase with 50 / 60 Hz
  • Detection of overvoltage
  • No separate auxiliary necessary
  • Output: 1 changeover contact
  • Energized on trip
  • Fixed response value AC 290V
  • Fixed release delay 180 s
  • Fast fault detection
  • Width: 52.5 mm

Technical specifications

1- / 3-phase 1
Auxiliary voltage Without
Enclosure design Distribution board
Measuring range max. 450 V
Output contacts 1 C/O contact
Standard measuring range AC 150 – 450 V
Width 52,5 mm
Type RN 9877/800

Available variants

Contact equipping 1 changeover contact
Measuring voltage AC 150 – 450 V
Response value 290 V
Time delay 180 s

Tell us the variant you need in your quote request.

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