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VME420 - Multi-functional monitoring relays

Description

The voltage relays of the VME420 series are designed to monitor the frequency, undervoltage, overvoltage and the voltage between two threshold values (window discriminator function) in AC and DC systems.

The voltages are measured as r.m.s.

values.

Features

  • Monitoring AC/DC systems for undervoltage, overvoltage and frequency in the voltage range of 0…300 V Different monit oring func tions selec table < U, > U or < U/> U , < f, > f or < f / > f Start-up delay, response delay, delay on release Adjustable switching hysteresis r. m. s. value measurement (AC + DC) Digital measured value display via multi-functional LC display Preset function (automatic assignment of basic parameters) LEDs: Power On, Alarm 1, Alarm 2 Measured value memory for ope.

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Datasheet Details

Part number VME420
Manufacturer Bender
File Size 230.94 KB
Description Multi-functional monitoring relays
Datasheet download datasheet VME420 Datasheet

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Full PDF Text Transcription

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Bender Incorporated • 700 Fox Chase, Coatesville PA 19320 • Tel.: (800) 356-4266 • Fax: (610) 383-7100 VME420 Multi-functional monitoring relays for overvoltage, undervoltage and frequency monitoring in AC/DC systems with external supply voltage Product description The voltage relays of the VME420 series are designed to monitor the frequency, undervoltage, overvoltage and the voltage between two threshold values (window discriminator function) in AC and DC systems. The voltages are measured as r.m.s. values. The currently measured value is continuously shown on the LC display. The measured value leading to the activation of the alarm relays will be stored.
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