ABB - Installation Products RB 421 - 3/4 Inch to 1/2 Inch, Reducer and Enlarger, Malleable Iron-Zinc Plated, For Use with Rigid/IMC Conduit
ABB - Installation Products

RB 421

UPC: 785991432909

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Minimum Qty: 100

Multiplier: 100

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Overview

The ABB RB 421 is a malleable iron conduit reducer and enlarger designed for transitioning between 3/4 inch and 1/2 inch Rigid and Intermediate Metal Conduit (IMC). This fitting features a durable malleable iron construction with a zinc-plated finish, providing excellent corrosion resistance for long-term performance in industrial and commercial electrical installations. The RB 421 is engineered to adapt conduit openings, ensuring a secure and reliable connection when reducing the threaded opening in conduit bodies or any female threaded fitting. Its design includes a hex shoulder for convenient wrench tightening, facilitating installation. The smooth, built-in bushing completely covers the rough ends of conduit, offering protection and a clean finish. Suitable for use in hazardous locations where general-purpose equipment is permitted by the NEC (Class I, Div. 2; Class II, Div. 1 & 2; Class III, Div. 1 & 2), the RB 421 meets UL File No. E-23018 and CSA File No. 2884 standards. This fitting is an essential component for electricians and contractors requiring precise size transitions in conduit systems, maintaining electrical integrity and compliance with industry safety standards. The ABB RB 421 is a dependable choice for robust electrical infrastructure projects.
  • 3/4 Inch to 1/2 Inch size transition for Rigid/IMC conduit
  • Durable malleable iron construction with zinc-plated finish
  • Hex shoulder for convenient wrench tightening
  • Smooth, built-in bushing covers rough conduit ends
  • UL File No. E-23018, CSA File No. 2884; suitable for hazardous locations

Specifications

Application
For Use with Rigid/IMC Conduits
Material
Malleable Iron
Material
Malleable Iron-Zinc Plated
Material Quality
Malleable Iron
Series
RB
Size
3/4 Inch to 1/2 Inch
Standard
UL E23018
Trade Size
3/4 to 1/2 in
Type
Reducers & Enlargers
Package Dimensions (L x W x H)
0.01 IN x 0.01 IN x 0.01 IN
Package Dimensions (L x W x H)
0.0254 cm x 0.0254 cm x 0.0254 cm
Package Weight (Imperial)
0.080 L
Package Weight (Metric)
0.036 kg
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