MP Meter Pak meter centers offer a wide range of multimetering applications. MP meter centers have UL Listed indoor rainproof NEMA Type 3R construction which meets EUSERC standards. The 9 inch meter center spacing allows for more sockets per device. This creates lighter and more compact branch enclosures. This kit is for 3 through 6 position, 125 A and 200 A MP meter devices. This MP accessory consists of three landing pads for lugs. Each pad is rated 600 A maximum. These landing pads are UL Listed.