ABB - Installation Products L050GRL - 1/2 inch copper free aluminum die cast grounding locknut with tin plated aluminum lay-in-lug and electro zinc plated steel screw.
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ABB - Installation Products

L050GRL

UPC: 786210695419


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Overview

The ABB L050GRL BOND STAR grounding locknut is a 1/2-inch copper-free aluminum die-cast component designed for secure grounding in industrial and commercial electrical systems. This locknut features a tin-plated aluminum lay-in lug for direct conductor insertion, eliminating the need for additional connectors and simplifying installation. The electro-zinc plated steel screw ensures corrosion resistance and long-term reliability in harsh environments. Engineered for compatibility with standard 1/2-inch conduit hubs, the L050GRL accommodates up to #10 AWG grounding conductors, making it suitable for a wide range of grounding applications. The copper-free aluminum construction provides excellent corrosion resistance while maintaining electrical integrity, critical for sensitive control systems and data communications where voltage stability is paramount. The lay-in lug design allows for quick and tool-free conductor insertion, reducing labor time and ensuring a consistent, low-resistance ground path. This feature is particularly valuable in automation, instrumentation, and data transmission systems where reliable grounding is essential to prevent floating voltage differences and electrical noise. UL File No. E-3060 and CSA File No. 4484 certified, the L050GRL meets rigorous industry standards for grounding and bonding applications. Its compact dimensions (1.5-inch diameter, 13/32-inch height) make it ideal for space-constrained installations while providing robust performance in both indoor and outdoor environments. The BOND STAR series, including the L050GRL, is trusted by engineers and electricians for its reliability in critical electrical infrastructure.
  • 1/2-inch trade size for standard conduit hubs
  • Copper-free aluminum die-cast construction for corrosion resistance
  • Tin-plated aluminum lay-in lug for direct #10 AWG conductor insertion
  • Electro-zinc plated steel screw for durability and environmental resistance
  • UL File No. E-3060 and CSA File No. 4484 certified

Specifications

Application
Extreme Grounding for Data and Control Applications
Color
Silver
Connection Type
Lay-in Lug
Material
Copper-free aluminum die cast, Tin-plated aluminum, Electro-zinc plated steel
Material of Construction
Copper free aluminum die cast
Series
BOND STAR
Size
1/2 Inch
Standard
UL E3060, CSA 4484
Type
Locknuts
Package Dimensions (L x W x H)
5 IN x 4.5 IN x 3 IN
Package Dimensions (L x W x H)
12.7 cm x 11.43 cm x 7.62 cm
Package Weight (Imperial)
0.0700 L
Package Weight (Metric)
0.0320 kg
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Frequently Asked Questions

What are the dimensions of the L050GRL locknut?

The L050GRL locknut has a diameter of 1 1/2 in and a height of 13/32 in.

Is the L-series locknut UL Listed or CSA Certified?

L-series locknuts are UL File No. E-3060 and CSA File No. 4484.

What does the GRL suffix mean for this locknut?

The GRL suffix indicates that the locknut is supplied with a Lay In Lug.

What is the maximum conductor size for L050GRL?

The maximum conductor size for the L050GRL locknut is #10.

What is the ground screw specification for L050GRL?

The L050GRL locknut uses a #10-32 x 1/4 in ground screw.

What materials are available for L-series locknuts?

L-series locknuts are made from zinc or copper-free aluminum. Options include aluminum, chrome-plated, or 316 stainless steel for specific trade sizes.

What is the trade size of the L050GRL locknut?

The L050GRL locknut has a trade size of 1/2 in.

Is the L-series locknut UL Listed or CSA Certified?

L-series locknuts are UL File No. E-3060 and CSA File No. 4484.

What is the trade size of the L050GRL locknut?

The L050GRL locknut has a trade size of 1/2 in.

What materials are available for L-series locknuts?

L-series locknuts are made from zinc or copper-free aluminum. Options include aluminum, chrome-plated, or 316 stainless steel for specific trade sizes.

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