Dual Lighting & Power Meter Kit for 250A DB MID Accessory for Alpha BSII Distribution Boards Includes 2 x digital meter, 2 x 3 current transformers, fuses, wiring looms in a pre-assembled solution. Add-on assembly suitable for mounting directly beneath 2 x 250A 'Type B' Distribution Boards. Pulsed output & Modbus RTU Provides separate lighting and power load readings. Total power load calculated by adding both section measurements together.