NSI Industries GL30048B - 1 Hole Short Barrel Copper Compression Lug for Flexible Copper Cable300 MCM- 1/2" Bolt Compression lugs for flexible copper cables are connects that have a gentle, continuous flared end to ensure ease of cable insertion of flexible and extra flexible cables such as locomotive, welding, mining cable and more. The flared end also reduces pressure on the cable strands after installation and protects them from chafing and breakage as a result of cable movement. Tin-plated for corrosion resistance. Rated 600 volts for copper cables only. Single mounting hole.
NSI Industries

GL30048B

UPC: 662381336514


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Overview

NSI Industries GL30048B is a high-conductivity copper compression lug designed for flexible and extra-flexible copper cables, including locomotive, welding, and mining applications. This single-hole lug features a gentle, continuous flared end for effortless cable insertion, reducing pressure on cable strands to prevent chafing and breakage from movement. The tin-plated finish ensures corrosion resistance and low contact resistance, making it ideal for harsh industrial environments. Key specifications include a 600V voltage rating, 90°C temperature rating, and UL486A listing for wire connectors. The GL30048B accommodates cable sizes from 300 MCM to 2/0 AWG, with a 1/2" bolt size and a barrel ID of 0.657 inches. The connector is marked with die index and color-coded (white) for easy identification. It is UL467 listed for grounding and bonding (sizes 8 AWG to 3/0 AWG) and is suitable for Class B or C building wire copper cables only. The peep hole allows for easy inspection of cable termination, ensuring complete insertion and proper installation. This lug is manufactured in the USA by NSI Industries, a trusted name in industrial electrical connectors. The GL30048B is optimized for use with NSI N12ID dieless compression tools, though it is also compatible with other listed tools. For applications exceeding 2000V, consult the cable manufacturer's voltage stress relief instructions. Ideal for heavy-duty industrial applications, the GL30048B provides a reliable, long-lasting connection for flexible copper cables, ensuring safety and performance in demanding environments.
  • Accommodates 300 MCM to 2/0 AWG flexible copper cables
  • Gentle flared end for easy cable insertion and reduced strand damage
  • Tin-plated for corrosion resistance and low contact resistance
  • UL486A and UL467 listed, 600V, 90°C temperature rating
  • Peep hole for easy inspection of cable termination

Specifications

Application
Terminate, Splice, Tap Power Connectors
Cable Size
300 MCM (STR)
Color
White
Connection Type
Compression Lug
Environmental Conditions
90 C
Finish
Tin Plated
Material
Copper
Mounting
1/2 Mounting Hole
Mounting Type
Single Hole
Number Of Holes
1
Size
L=2.48 - W=1.19 - OD=.810 - ID=.660
Size
300 MCM, 1/2" Bolt
Special Features
300 MCM (STR) - 1/2 Mounting Hole
Standard
UL486A/B
Stud Size
1/2 IN
Type
Short Barrel - One Hole - Belled End
Voltage Rating
600 V
Warranty
1 Year
Package Dimensions (L x W x H)
2.49 IN x 1.19 IN x 0.815 IN
Package Dimensions (L x W x H)
6.3246 cm x 3.0226 cm x 20.701 mm
Package Weight (Imperial)
2.040 L
Package Weight (Metric)
0.925 kg
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Combine high performance with compact dimensions: - 1000 V AC / DC IEC 600 V UL, - Opt for the best marking visibility thanks to the up-front, flat marker zone, which lets you mark up to eight digits or increase the font size.

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Combine high performance with compact dimensions: - 1000 V AC / DC IEC 600 V UL, - Opt for the best marking visibility thanks to the up-front, flat marker zone, which lets you mark up to eight digits or increase the font size.
Combine high performance with compact dimensions: - 1000 V AC / DC IEC 600 V UL, - Opt for the best marking visibility thanks to the up-front, flat marker zone, which lets you mark up to eight digits or increase the font size.

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Combine high performance with compact dimensions: - 1000 V AC / DC IEC 600 V UL, - Opt for the best marking visibility thanks to the up-front, flat marker zone, which lets you mark up to eight digits or increase the font size.

How to Install Copper Compression Connectors

This guide provides step-by-step instructions for installing copper compression connectors, ensuring secure and reliable electrical connections.

Estimated time: 30m

Tools needed:

Wire strippers, Crimping tool, Wire brush

Supplies needed:

Copper compression connectors, Cable

  1. Strip the conductor

    Carefully strip the insulation from the conductor without nicking the strands, ensuring the stripped length allows for complete insertion into the connector barrel.

  2. Clean the conductor

    Use a wire brush to clean the stripped portion of the conductor, removing any oxide films to ensure a good electrical connection.

  3. Insert the conductor

    Insert the cleaned and stripped conductor completely into the connector barrel, ensuring it fills the barrel fully.

  4. Crimp the connector

    Using the appropriate crimping tool, apply pressure to crimp the connector securely onto the conductor, following the manufacturer's suggested crimp locations.

  5. Verify the connection

    Inspect the crimped connection to ensure it is secure and that there are no visible gaps or loose strands.

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