Check the listing for details. Generator Interlock Kit Compatible with Square D Vertical Main 150 or 200 amp.... Condition: New. Listed at 46.64 USD. Generator Interlock Kit Compatible with Square D Vertical Main 150 or 200 amp Breaker, for Safe Usage of Portable Power During Outage ✓ Free 60 Day Returns ✓ Free Express Shipping Description: Features: Product CompatibilityThis Interlock Kit Compatible with Square D Product Details: Brand: GenCapVoltage: 200 VoltsCircuit Breaker Type: StandardManufacturer: GenCapPackage Dimensions ‏ : ‎ 9.45 x 5.28 x 0.71 inches; 14.39 ouncesItem model number ‏ : ‎ SD200VLDate First Available ‏ : ‎ December 2, 2021Manufacturer ‏ : ‎ GenCapBest Sellers Rank: #152,737 in Tools & Home Improvement (See Top 100 in Tools & Home Improvement) #98 in Circuit Breaker Panel Safety Switches#98 in Circuit Breaker Panel Safety SwitchesCustomer Reviews: 4.7 4.7 out of 5 stars 158 ratings