Schneider Electric LA9G970 These accessories are mechanical interlock for Tesys Giga contactor identical frame. To be used for reversing and changeover assemblings. Without electrical interlocking. It can cover -25°C to 60°C operation ambient air temperature, No derating up to 3000m altitude. Green Premium compliant (RoHs/Reach). The Schneider Electric mechanical interlock is used between contactors. Maximum 3 auxiliary contacts can be installed between 2 contactors with mechanical interlock kit. IP20 degree of protection