These accessories are mechanical interlock for TeSys Deca Advanced contactors 3 poles 115A to 150A with TeSys Deca contactors 3 poles LC1D40A to LC1D65A. They are designed to be used for reversing and changeover assembling without electrical interlocking. They operate within a temperature range of -40°C to 70°C and can be used at altitudes of up to 3000m without derating. Green Premium compliant (RoHS/REACh).