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Threaded iron reducing bushing chromate powder coated electroplated finish

Appleton Century Crofts

Appleton Century Crofts RB350-250 IMC Reducing Bushing conduit

SKU CH-3EKJ-KE85N

Reduces IMC conduit from 3-1/2 in to 2-1/2 in with hazardous-location threaded ends, chromate and powder-coated iron construction weighing 1.64 lb

  • Product typeCable Management & Conduit
  • Reduces conduit size from 3-1/2 in to 2-1/2 in for flexible installations
  • Female-to-male threaded ends ensure secure IMC and RMC connections
  • Chromate, powder and electroplated iron finish resists corrosion in harsh environments
  • Hazardous-location rated for safe use in classified areas
  • Weighs 1.64 lb for manageable handling during installation

Hazardous-location reducing bushing

The Appleton Century Crofts RB350-250 connects 2-1/2 inch and 3-1/2 inch IMC or threaded RMC conduit in hazardous areas. It provides a female-to-male NPT transition with a chromate, powder-coated and electroplated iron finish. The fitting suits new installations where conduit trade sizes must step down safely.

Female-to-male thread transition

The 1 7/16 inch overall length joins 2-1/2 inch FNPT to 3-1/2 inch MNPT ends without extra couplings. This single-piece bushing reduces assembly time and maintains hazardous-location integrity. The coated iron construction resists corrosion in demanding environments.

Trade-size compatibility decides fit

Verify that both conduit runs match the 2-1/2 inch and 3-1/2 inch trade sizes before ordering. The bushing will not join other diameters or non-threaded conduit types. Buyers needing different size combinations or unthreaded connections must select another fitting.

How it compares

Measured against everything we stock in Electrical Conduit & Fittings, at today’s prices. Recalculated every night.

Price $33.99
Typical for this category: the median of 1,290 items is $28.99.

Specifications

Product
Brand nameAPPLETON ELECTRIC
Product typeCable Management & Conduit

Questions about this item

Will the chromate powder electroplated finish on the iron bushing need re-coating?

The factory-applied chromate, powder and electroplated coatings protect the iron body; no scheduled re-coating is required under normal service.

What mechanical limit appears first when the reducing bushing is under continuous vibration?

The threaded FNPT and MNPT joints maintain integrity as long as the 1 7/16 in overall length stays properly torqued; loosening is the first sign of fatigue.

Does the iron reducing bushing generate heat or noise when energised conduit runs all day?

The bushing is a passive iron fitting with no moving parts or electrical resistance, so it produces no heat or audible noise during continuous operation.

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