GE Grid Solutions Protective Relay Multilin™ 350

Multilin 350 Intuitive and innovative feeder protection system The Multilin™ 350 is a member of the Multilin 3 Series protective relay platform and has been designed for the protection, control and management of feeders or related applications as a primary or backup protection device. This cost-effective protective device is used to perform advanced feeder protection, control and monitoring in a drawout or non-drawout design for low, medium and high voltage applications. The 350 also offers enhanced features such as metering, monitoring and diagnostics, preventative maintenance, advanced communications and security. Key Benefits Cost-effective and flexible protection and control for utility and industrial applications Field-proven algorithms and reliable protection to avoid unwanted trips or under-protection Ease of use and standardization with one-step setup and universal CT inputs Environmental monitoring system to monitor operating conditions and plan preventative maintenance Advanced power system and switchgear diagnostics Flexible communications with multiple ports and protocols allowing seamless integration Arc flash mitigation via zone inter-tripping, flex curves and multiple elements and setting groups Powerful Security and hierarchical password control for centralized management Application flexibility with the use of programmable logic elements Drawout design simplifies, commissioning and maintenance, thereby increasing process uptime Increased network availability with zero failover time through IEC® 62439-3 PRP and HSR support Precise time synchronization through IEEE® 1588 (Precise Time Protocol (PTP)) support Robust design exceeding industry standards, with Automotive Grade components and advanced testing procedures such as accelerated life cycle testing Simplified migration of legacy MII Family relays to the 3 Series platform Intuitive configuration software and user-friendly logic configuration tool Applications Primary protection and control for medium and high voltage distribution utility and industrial overhead or cable feeder applications Protection of small and medium size distribution transformers Back-up protection of various HV applications Capacitor bank protection Advanced control applications including Cold Load Pickup, multi-shot recloser and multiple setting groups