Price of switchboard knife switch for distribution box

The price of a switchboard knife switch varies widely depending on type, amperage rating, and mounting, typically requiring a quote from suppliers. Overview of Knife Switch TypesSingle-Throw Non-Fusible: Used as a visible disconnect on switchboards and distribution panels. Can be mounted on insulating panels or supplied without bases.

Double-

Throw Non-

Fusible: Allows manual transfer between two power sources or loads, suitable for more complex distribution setups. Fusible Knife Switches: Include fuse holders for protection (class “H” or “RK5”) and are often mounted on panels with quick-break blades.

Factors Affecting Price

Amperage Rating: Switches rated 600A or smaller are generally less expensive, while 1200A and above require more robust construction and are shipped with throw-away bases. Mounting Options: Back-connection switches without bases are cheaper, whereas pre-mounted switches on insulating panels cost more. Material and Finish: Corrosion-resistant finishes and high-quality copper studs increase cost.

Supplier and Quantity: Prices vary between manufacturers, distributors, and online marketplaces like Amazon or McMaster-Carr.

Price Range Guidance

Industrial Suppliers: For Type D knife switches, prices are quoted upon request after providing specifications such as amperage, panel size, and mounting type. Online Retailers: Smaller educational or project knife switches may range from $20 to $200 depending on size and features. Bulk or Custom Orders: For heavy-duty distribution boxes, expect higher costs, often several hundred to over a thousand dollars per switch, depending on amperage and configuration.

Recommendation

To obtain an accurate price for your distribution box application: Specify the amperage rating and whether you need single-throw, double-throw, or fusible switches. Decide on mounting: panel-mounted or back-connection without base. Contact industrial suppliers like Filnor, McMaster-Carr, or Alibaba manufacturers for a formal quote.

This approach ensures you receive a price tailored to your exact requirements and avoids overpaying for unnecessary features.