VME420 Datasheet | Bender

Bender Incorporated - 700 Fox Chase, Coatesville PA 19320 - Tel.: (800) 356-4266 - Fax: (610) 383-7100 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. Due to adjustable response...