Contains 1 set of plastic insulators (top / bottom) and fixing screws to be used where the overload relay power terminals external dimension exceed the busbar external dimension.DocumentsWEG RW_E Series Overload Relays Brochure Related Products Quick view IBRW317 $2.24 MSRP: $4.00 Phase Barrier Quick view 6354C08G01 $7,004.94 MSRP: $7,973.10 Inter Phase Barrier Quick view LDRSF11 $24.29 MSRP: $37.40 Dc Switch Phase Barrier A Quick view LDRSF22 $60.56 MSRP: $93.26 Dc Switch Phase Barrier E Quick view LDRSF23 $82.23 MSRP: $126.64 Dc Switch Phase Barrier F