Schneider Electric LA9GRFB2 These accessories are retrofit bases for TeSys Giga 265-500 contactor. Designed to integrate TeSys Giga 265-500 contactors into existing installation with TeSys F contactors. 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 retrofit base is designed for integrating new TeSys Giga Contactors into installations using TeSys F contactors. The retrofit bases help reduce replacement and reinstallation time when you upgrade your system with the new range of c Pollution degree 3 conforming to IEC 60947-1