VME420 Datasheet - Bender

VME420, Multi-functional monitoring relays

Bender Incorporated * 700 Fox Chase, Coatesville PA 19320 * Tel.: (800) 356-4266 * Fax: (610) 383-7100 VME420 Multi-function.
The voltage relays of the VME420 series are designed to monitor the frequency, undervoltage, overvoltage and the voltage between two threshold 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 measur

Applications

* Single
* VME420 3.1 -phase voltage and frequency monitoring of machines and electrical installations Earth fault monitoring in medium-voltage systems via voltage transformers Monitoring of battery systems Switching on and switching off at a certain voltage le

VME420-Bender.pdf