The APPLETON RB400-250 reducing bushing is designed to reduce conduit entries to a smaller size in threaded rigid and IMC conduit systems. Constructed of steel with a zinc electroplate finish. This reducing bushing is explosion-proof and dust-ignition-proof. It has smooth rounded integral bushing protects conductor insulation.
Reduces conduit entries to a smaller size
Material: Steel with Zinc Electroplate Finish
Connection: NPT
Product Highlights
The APPLETON RB400-250 reducing bushing is ideal for reducing conduit entries in threaded rigid and IMC conduit systems. Its robust construction and protective features ensure reliable performance in demanding environments.
Product Information
Standard Information
Brand: APPLETON
Manufacturer Part Number: RB400-250
Country of Origin: Mexico
Technical Specifications
Catalog Number
RB400-250
Manufacturer
Appleton Electric
Brand
Appleton
Country of Origin
Mexico
Made in USA
No
Application
For Reducing Conduit Entries To A Smaller Size In Threaded Rigid And IMC Conduit Systems
Connection
NPT
Finish
Zinc Electroplate
Material
Steel
Special Features
Smooth rounded integral bushing protects conductor insulation
Standard
Class I: Groups A, B, C, D, Class II: Groups E, F, G, Class III, UL 886 (1203), UL E10444, CSA C22.2 No. 25, C22.2 No. 30, CSA 065181
RoHS Indicator
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Item Type
Reducing Bushing
Length
5.5000 Inch
Width
5.0000 Inch
Height
2.3500 Inch
Size
4 X 2-1/2
Type
Threaded
Large End Trade Size
4 Inch
Small End Trade Size
2-1/2 Inch
Enclosure Class
Class I Group A B C D, Class II Group E F G, Class III
Approval
UL 886, CSA C22.2
Used On
Rigid Conduit/IMC
Series
RB Series
Primary brand
Emerson
Secondary brand
Appleton
Main function
Conduit (Bushing)
Product series / family name
Bushings
Sub-range name
Reducing bushings
Functions
Reducing bushing
Design
explosion-proof and dust-ignition-proof
Connection type
4" NPT threaded to 2-1/2" NPT threaded
Technical compatibility with
threaded rigid metal conduit and IMC
Manufacturer product status
Commercialized
Equivalent to
RB400250
Compliant with standard(s)
NEC / CEC compliant
NEC / CEC
Class I - Division 1 and 2 Groups B; C; D; Class I - Zone 1 and 2; Groups IIA; IIB + H2; Class II - Division 1 and 2; Groups E; F; G; Class III