MNS iS Intelligent Switchgear Preventive Maintenance Notice

This document from ABB recommends replacing specific MNS iS components (MControl modules and MStart sensor module boards) that contain aging electrolytic capacitors, which typically have a 10-12 year lifespan and may degrade after 10-15 years of service. It outlines replacement options, new component part numbers, and identification procedures to extend equipment life, avoid downtime, and maintain safety and performance.