Plug-In-Systems ESM 4 Consumer unit £150.00 Out of Stock Details: Plug-In-Systems ESM 4 consumer unit Built in 13.8v / 12A transformer, RCD with 3x MCB's Plug-In-Systems ESM 4 Consumer unit SKU: 0944 £150.00 - Sorry, sold out Call us on 01422 384508 for more information on this product.