The Actus MSTR range represents a new generation of high speed electro-mechanical tripping relays for power utility protection and control applications.
Overview
12 Contact Tripping Relay
Fast operation of less than 8 ms.
Self reset, hand reset or hand/electrical reset
Two types of mechanical flags
High or Low Burden set
Alternative contact arrangements from 12M+0B to 6M+6B can be specified
An optional 6 digit operation counter is available
Coil voltages 32, 48, 110, 125, 220, 240, 250 VDC or 110, 240 VAC
Operating range 70% to 120% Un DC or 80% to 110% Un AC