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The 

IMO BG3 is a 3-hole empty pushbutton enclosure designed for 22.5mm diameter control units. It is a grey, IP65-rated surface-mount control station often used in industrial settings for pushbuttons, selector switches, and pilot lights. 

Key Details for IMO BG3 (3-Hole Enclosure):

• Part Number: BG3 (often listed as 402165941)

• Capacity: 3 holes (for 22.5mm devices)

• Material: Polyester (PET) / ABS Plastic

• IP Rating: IP65

• Color: Grey body, typically with a grey or black cover

• Dimensions: Approximately 165mm wide (roughly 6.5")

• Application: Suitable for pushbutton control stations