Compatibility and Design Designed specifically for Meter Main 150amp or 200amp breakers and is compatible with your generator and breaker model. Safety Benefits Enhanced safety to prevent unexpected power interruptions by safely routing generator power to any circuit within your home. Maintains access to essential electrical appliances during generator operation. Material and Finish Made of aluminum alloy for durability and longevity. Silver finish provides a sleek, modern look for your breaker box. Complete Package Includes 1 interlock plate, 2 shoulder screws, 2 hex nuts, 1 generator startup procedure label, 5 reminder labels, 2 zip ties, 1 instruction bulletin, and 1 drill bit. Everything you need for easy installation and use. Easy Installation Drill bit and clear instructions are included. Follow the stepbystep guide to connect your generator and breaker safely and efficiently. Use Scenarios Home power outage: Use the interlock to safely power essential circuits in your home during an outage, ensuring critical loads like lighting and refrigeration remain operational. Portable generator setup: Retrofit or install for weekend or temporary use to run tools and equipment in a garage or workshop without rewiring the panel. Storm or planned outages: Quickly switch to generator power for critical loads without modifying existing wiring, keeping your home functional during emergencies. Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.