About the Products Now representing our standard range of surge trailer sockets, these units include LEDs to indicate power and protection status. As well as the standard 6 way trailer socket versions with 2Mtr leads, there is the 5Mtr version which allows for non-standard requirements. Key Features - Red LED acts as mains "on" indicator, Green LED "on" indicates surge protection is operational - Metal oxide semiconductors absorb unwanted energy - Maximum surge of up to 6500A first time, second time 4000A with a unit response time <25 nS - Incorporated thermal fusing (110C) which overcomes threat of short circuiting - Useful 5Mtr version strip now available for non-standard requirements