Fixed T2 Type Surge Protector iST 20 2P A9L916621 Protect essential electrical equipment from transient overvoltages with a compact, two pole Type 2 surge protector built for fixed mounting in distribution systems. Key benefits Reliable transient suppression: Designed to limit voltage spikes that can damage sensitive electronics and shorten equipment life. Two pole coverage: Protects phase and neutral conductors for single phase installations, reducing the risk of surge propagation through the distribution circuit. Simple fixed installation: Engineered for permanent mounting in distribution boards and switchgear, keeping protection in place without frequent maintenance. Space efficient: Compact form factor fits common distribution panels and DIN rail arrangements where board space is limited. Robust connection and housing: Durable terminal design and insulating enclosure for consistent electrical and mechanical performance in typical building and industrial environments. What makes it stand out Type 2 classification suitable for building distribution level protection where coordinated surge suppression is required. Two pole design matches single phase systems and helps maintain continuity of protection across phase and neutral. Model identification A9L916621 for straightforward selection and inventory control. Key attributes Function: Fixed Type 2 surge protection for transient overvoltage suppression. Compatibility: Intended for single phase distribution systems requiring two pole protection. Mounting: Fixed installation suitable for distribution boards and switchgear enclosures. Size: Compact footprint designed to fit standard distribution panel spaces. Material and durability: Insulating housing and secure terminals for reliable electrical connection and mechanical stability. Performance: Provides fast response to transient events and discharge capability appropriate for distributionlevel protection. Practical use scenarios Residential main distribution board: Install at the incoming distribution board to reduce the risk of surge damage to household appliances, lighting, and home electronics. Small commercial or office fitout: Protect IT equipment, telecom systems, and control panels from voltage spikes caused by external disturbances or switching events. Light industrial or service equipment panels: Integrate into machine control cabinets and subdistribution panels to minimize downtime and equipment replacement after transient events. Technical model reference Fixed T2 Type Surge Protector model iST 20 2P, catalog A9L916621 Installation and selection notes Designed for fixed mounting in distribution panels; ensure compatibility with local wiring practices and system configuration. Use as part of a coordinated surge protection scheme for overall performance across service incoming, distribution, and sensitive load points.