Finger guards DC Dimensions (unit: mm) o150 150 mm sq. type AC mm type Model no. Surface treatment Mass (g) 109-1051 Nickel-chrome plating (silver) 63 Model no. Surface treatment Mass (g) 109-1052 Nickel-chrome plating (silver) 53 Model no. Surface treatment Mass (g) 109-1104 Nickel-chrome plating (silver) 31 109-1104H Cation electropainting (black) Inlet side, Outlet side Outlet side Inlet side 4.30.2 o156 o1.6 (o6 2.2 ) o9 7.6 o1.6 43 .8 o1.6 o1 6.8 .8 43 o1 o1.6 o1.6 197.70.5 o2 4-4.5 4-12 o1.6 +2 o136.2 -1 Mounting example Axial fan Centrifugal fan Hexagonal nuts Fan Finger guard Hexagonal nuts Plain washers Inlet nozzle Spring washers Finger guard Screws Plain washers Fan Chassis Spring washers Screws 0 5.5 -1 +0.4 4.3 -0.2 o111.5 0 5.5 -1 o128.7 +0.4 -0.2 o190.9 +0 -1 o201 o190.9 .5 4.3 0 3.2 -1 Mouser Electronics Authorized Distributor Click to View Pricing, Inventory, Delivery & Lifecycle Information: Sanyo Denki: 109-1051 109-1104 109-1104H