Made with flame retardant and aluminum alloy, this power disconnect switches features a thick insulated shell resistant to temperature and aging, ideal for long term industrial and electrical cabinet use Equipped with silver alloy contacts and thickened copper components for low resistance, strong conductivity, oxidation resistance, and reduced risk, ensuring stable circuit switching Features a top lockable structure to secure the switches in off position, accidental operate or unauthorized reactivation during equipment maintenance for operational Clear 0 off / 1 on rotary handle with distinct feedbacks enables precisely power control Supports multiple currents (20A / 25A / 32A / 63A / 125A / 160A) with 660V insulation voltages at 50Hz, suitable for various power circuit disconnection and conversion needs in industrial applications, Manufacturer: NVOQILIN