
THERN
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Pertanyaan umum tentang THERN dari 3G Electric.
What are the differences between THERN pedestal-mount, socket-mount, and wall-mount bases?
THERN mounting bases for davit cranes are designed for different installation scenarios. Pedestal-mount bases (e.g., MPN 5ABP2, 5BP20) are bolted to a floor or deck surface, providing a raised platform for the mast. Socket-mount bases (e.g., MPN 5BF20, 5BF10) are embedded into a concrete foundation or structural steel, offering a flush or recessed mounting point. Wall-mount bases (e.g., MPN 5BW20, 5BW10) attach to vertical walls or columns. The choice depends on the available mounting surface and load path requirements. All bases are designed to accept specific mast diameters—4.5 inches or 5.56 inches—and are available in steel or aluminum.
Which THERN mounting base materials are available, and how do they affect performance?
THERN offers mounting bases in steel and aluminum. Steel bases (e.g., MPN 5BP20, 5BW20) provide higher tensile strength and are suitable for heavy-duty lifting applications where load capacity is critical. Aluminum bases (e.g., MPN 5ABP2, 5ABP1) are lighter and offer corrosion resistance, making them preferable in environments with moisture or chemical exposure, such as marine or wastewater facilities. Both materials are fabricated to meet THERN's specifications for weld quality and dimensional accuracy.
What mast diameters do THERN mounting bases accommodate?
THERN mounting bases are designed for two standard mast diameters: 4.5 inches and 5.56 inches. For example, bases with MPN 5BP10, 5BW10, 5BF10, and 5ABP1 fit 4.5-inch masts, while bases with MPN 5BP20, 5BW20, 5BF20, and 5ABP2 fit 5.56-inch masts. It is important to match the base to the mast diameter of your THERN davit crane to ensure proper fit and load transfer.
Are THERN mounting bases suitable for outdoor use?
THERN mounting bases are designed for industrial environments and can be used outdoors in sheltered conditions. Steel bases should be protected from prolonged exposure to moisture to prevent corrosion; painting or galvanizing may be required. Aluminum bases offer inherent corrosion resistance and are better suited for outdoor or humid environments. THERN does not specify an IP rating for these bases, so they are not intended for submerged or high-pressure washdown applications.
How do I select the correct THERN mounting base for my davit crane?
To select the correct THERN mounting base, first determine the mast diameter of your davit crane (4.5 inches or 5.56 inches). Then choose the mount type based on your installation surface: pedestal for floor mounting, socket for embedding, or wall for vertical attachment. Finally, select the material—steel for higher load capacity or aluminum for corrosion resistance. 3G Electric stocks multiple SKUs for each combination, such as 397PG4 (aluminum pedestal, 5.56-inch) and 397PH2 (steel socket, 4.5-inch).
Does 3G Electric supply THERN products?
Yes — 3G Electric (S) Pte. Ltd. supplies THERN products. We stock the THERN catalog and supply genuine factory-original products with full manufacturer warranty and technical support.








