This is a MESB-20NO 20A Contactor 2 Pole 1 Module from Wylex.\r\nAs part of our domestic circuit protection this product is an all metal enclosure for both A Boards and B Boards.\r\nCustomers have a choice of incoming devices including a switch disconnector, RCDs, or direct connection.\r\nIt has split neutral bars which help make full use of interior space and keep all terminals available accessible.\r\nLike all products available online at Electricals 24/7, this product comes with a 1 year guarantee as minimum.\r\nNot what you were looking for today? Not a problem, browse our whole online store for more products at excellent prices.