WAGO 281-309 End and intermediate plate. WAGO End and Intermediate Plate, Series: 281, For Use With: 281 Series Rail Mounted Terminal Block, 2.5 mm THK, 0.1 MJ Fire Load, Orange, 2.36 in H x 0.098 in W x 2.36 in D. Additional Description: WAGO-281-309 END AND INTERMEDIATE PLATE; 2.5 MM THICK; ORANGE 02810309.