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ABB - Installation Products H150GRSST - 1-1/2 Inch 316 Stainless Steel Grounding Hub, Thermoplastic Insulating Throat, Sealing Ring Nitrile (BUNA-N) for Use with Rigid/IMC Conduit

ABB Installation Products H150GRSST 1-1/2 Inch 316 Stainless Steel Grounding Hub, Thermoplastic Insulating Throat, Sealing…

UPC: 786210002828

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Contact for Pricing

Call +1 (262) 252-1600 (toll-free 877-268-3700) or email [email protected] for pricing and availability.

Overview

The ABB H150GRSST 1-1/2" 316 Stainless Steel Grounding Hub is a corrosion-resistant grounding solution designed for rigid and IMC conduit systems. Constructed from 316 stainless steel, this grounding hub provides superior resistance to corrosion, chemicals, and harsh environments, making it ideal for industrial, commercial, and outdoor applications. The 316 stainless steel alloy contains molybdenum, enhancing its resistance to pitting and crevice corrosion in chloride-rich or acidic environments, ensuring long-term durability in demanding conditions. The thermoplastic insulating throat ensures electrical isolation while maintaining mechanical integrity, preventing unintended current paths and enhancing safety in electrical systems. The included Nitrile (BUNA-N) sealing ring delivers a reliable watertight seal to prevent moisture ingress, protecting internal components from corrosion and electrical faults. The H150GRSST is UL Listed per NEC 501.10(B) for use in Class I, Division 2 hazardous locations, and CSA Certified for hazardous locations Class II Groups E, F, G, and Class III, making it suitable for environments with combustible dust or fibers. Its robust construction reduces maintenance costs and downtime in critical systems, providing a reliable grounding solution in chemical plants, water treatment facilities, food processing, pharmaceutical manufacturing, oil and gas refineries, pulp and paper mills, and other high-corrosion or high-moisture environments where reliability and corrosion resistance are paramount. The 1-1/2" trade size accommodates standard rigid and IMC conduit sizes, ensuring compatibility with existing infrastructure.
  • 316 stainless steel hub and locknut for superior corrosion resistance
  • Thermoplastic insulating throat rated 105°C with 94V-0 flammability rating
  • Nitrile (BUNA-N) sealing ring for watertight, moisture-resistant connections
  • Rated for NEMA 3R, 4, 12, and 4X enclosures for harsh environments
  • UL Listed per NEC 501.10(B) and CSA Certified for hazardous locations Class II Groups E, F, G, Class III

Specifications

Application
For Use with Rigid/IMC Conduit
Length
1.88 in
Length
47.752 mm
Material
316 Stainless Steel, Thermoplastic, Nitrile (BUNA-N)
Material Quality
Stainless Steel 316
Outside Diameter
2.75 in
Outside Diameter
69.85 mm
Series
H150
Size
1-1/2 Inch
Special Features
Hexagonal/Splined Body and Locknut Enable Fast and Easy Installation
Standard
UL E23018, CSA
Trade Size
1-1/2 in
Type
Grounding Hub
Package Dimensions (L x W x H)
2.5 IN x 2.5 IN x 2 IN
Package Dimensions (L x W x H)
6.35 cm x 6.35 cm x 5.08 cm
Package Weight (Imperial)
0.9200 L
Package Weight (Metric)
0.4170 kg
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Frequently Asked Questions

What material is the sealing ring made of?

The sealing ring is made of Nitrile (BUNA-N).

What is the material of the grounding hub?

The grounding hub is made of 316 stainless steel.

Is the insulating throat thermoplastic?

Yes, the insulating throat is made of thermoplastic.

What is the size of the grounding hub?

The grounding hub is sized for 1-1/2" conduit.

What conduit types are compatible with this grounding hub?

The H150GRSST is designed for use with 1-1/2" rigid and IMC conduit.

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What environmental ratings do Thomas and Betts products have?

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