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NSI Industries 600T-2 - 2 Port Stacked Lug 600 MCM - 2 AWG Stacked Lugs are large size set screw connectors with wire holes stacked on top of each other to minimize the width of the connector. Made of 6061T-6 aluminum alloy. Tin plated for low contact resistance. Suitable for use with both copper and aluminum conductors. Rated 600 volts (2000V max. per UL486B). UL486A/B Listed. Temperature rating 90 degrees C. Mounting hole spacing is NEMA standard of 1.75".
NSI Industries

600T-2

UPC: 662381001825

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Technical Bulletin

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Overview

NSI Industries 600T-2 is a 2-port stacked lug set screw connector engineered for high-current applications requiring 600 MCM to 2 AWG conductor compatibility. Constructed from 6061T-6 aluminum alloy with tin plating, these connectors ensure low contact resistance and reliable performance with both copper and aluminum conductors. Rated for 600V (2000V max per UL486B) and operating at 90°C, the 600T-2 meets UL486A/B standards for industrial and commercial electrical systems. The stacked design minimizes connector width while maintaining high current capacity, making it ideal for space-constrained installations. Mounting hole spacing follows NEMA standard 1.75 inches for compatibility with existing infrastructure. These connectors are suitable for power distribution panels, motor control centers, and renewable energy systems where robust, high-current terminations are required. The set screw design allows for tool-free installation and secure conductor retention, reducing labor time and ensuring consistent electrical contact. With a 2-port configuration, the 600T-2 supports parallel conductor runs or dual-circuit connections in a single compact unit. The aluminum alloy construction provides excellent corrosion resistance and thermal conductivity, while the tin plating enhances long-term reliability in harsh environments. NSI Industries' 600T-2 delivers a cost-effective solution for high-current terminations without compromising on safety or performance.
  • 2-port stacked lug design minimizes connector width for space-constrained installations
  • Compatible with 600 MCM to 2 AWG copper and aluminum conductors
  • 6061T-6 aluminum alloy with tin plating for low contact resistance and corrosion resistance
  • Rated 600V (2000V max per UL486B), 90°C temperature rating, UL486A/B Listed
  • NEMA standard 1.75" mounting hole spacing for easy integration

Specifications

Warranty
1 Year
Package Dimensions (L x W x H)
4.91 IN x 1.5 IN x 3 IN
Package Dimensions (L x W x H)
12.4714 cm x 3.81 cm x 7.62 cm
Package Weight (Imperial)
1.800 L
Package Weight (Metric)
0.816 kg
1 Port Aluminum Lug 4-14 AWG Aluminum Single Lugs are versatile and reuseable set screw connectors made of 6061T-6 aluminum alloy. Electro-tin plated for low contact resistance. Suitable for use with both copper and aluminum conductors. Temperature Rating 90 degrees C. Rated 600 volts (2000V max. per UL486B). UL 486A/B Listed. .

4T

1 Port Aluminum Lug 4-14 AWG Aluminum Single Lugs are versatile and reuseable set screw connectors made of 6061T-6 aluminum alloy. Electro-tin plated for low contact resistance. Suitable for use with both copper and aluminum conductors. Temperature Rating 90 degrees C. Rated 600 volts (2000V max. per UL486B). UL 486A/B Listed. .
Insulated Bus Connector - 5 Terminals In-Line, Number of Ports 4, 4 2-Bolt Large Terminals, Wire Range #4 Stranded to 500 kcmil. Street Light Option - Cover and Plug. 12 solid - 4 stranded. Contains Oxide Inhibiting Compound. For use with Blackburn Lug types LAC or LCU.

UPC44SL1

Insulated Bus Connector - 5 Terminals In-Line, Number of Ports 4, 4 2-Bolt Large Terminals, Wire Range #4 Stranded to 500 kcmil. Street Light Option - Cover and Plug. 12 solid - 4 stranded. Contains Oxide Inhibiting Compound. For use with Blackburn Lug types LAC or LCU.
2 Port Stacked Lug 300 MCM - 6 AWG Stacked Lugs are large size set screw connectors with wire holes stacked on top of each other to minimize the width of the connector. Made of 6061T-6 aluminum alloy. Tin plated for low contact resistance. Suitable for use with both copper and aluminum conductors. Rated 600 volts (2000V max. per UL486B). UL486A/B Listed. Temperature rating 90 degrees C. Mounting hole spacing is NEMA standard of 1.75".

300T-2

2 Port Stacked Lug 300 MCM - 6 AWG Stacked Lugs are large size set screw connectors with wire holes stacked on top of each other to minimize the width of the connector. Made of 6061T-6 aluminum alloy. Tin plated for low contact resistance. Suitable for use with both copper and aluminum conductors. Rated 600 volts (2000V max. per UL486B). UL486A/B Listed. Temperature rating 90 degrees C. Mounting hole spacing is NEMA standard of 1.75".
2 Port Stacked Lug 350 MCM - 6 AWG Stacked Lugs are large size set screw connectors with wire holes stacked on top of each other to minimize the width of the connector. Made of 6061T-6 aluminum alloy. Tin plated for low contact resistance. Suitable for use with both copper and aluminum conductors. Rated 600 volts (2000V max. per UL486B). UL486A/B Listed. Temperature rating 90 degrees C. Mounting hole spacing is NEMA standard of 1.75".

350T-2

2 Port Stacked Lug 350 MCM - 6 AWG Stacked Lugs are large size set screw connectors with wire holes stacked on top of each other to minimize the width of the connector. Made of 6061T-6 aluminum alloy. Tin plated for low contact resistance. Suitable for use with both copper and aluminum conductors. Rated 600 volts (2000V max. per UL486B). UL486A/B Listed. Temperature rating 90 degrees C. Mounting hole spacing is NEMA standard of 1.75".
3 Port Stacked Lug 600 MCM - 2 AWG Stacked Lugs are large size set screw connectors with wire holes stacked on top of each other to minimize the width of the connector. Made of 6061T-6 aluminum alloy. Tin plated for low contact resistance. Suitable for use with both copper and aluminum conductors. Rated 600 volts (2000V max. per UL486B). UL486A/B Listed. Temperature rating 90 degrees C. Mounting hole spacing is NEMA standard of 1.75".

600T-3

3 Port Stacked Lug 600 MCM - 2 AWG Stacked Lugs are large size set screw connectors with wire holes stacked on top of each other to minimize the width of the connector. Made of 6061T-6 aluminum alloy. Tin plated for low contact resistance. Suitable for use with both copper and aluminum conductors. Rated 600 volts (2000V max. per UL486B). UL486A/B Listed. Temperature rating 90 degrees C. Mounting hole spacing is NEMA standard of 1.75".
4 Port Stacked Lug 600 MCM - 2 AWG Stacked Lugs are large size set screw connectors with wire holes stacked on top of each other to minimize the width of the connector. Made of 6061T-6 aluminum alloy. Tin plated for low contact resistance. Suitable for use with both copper and aluminum conductors. Rated 600 volts (2000V max. per UL486B). UL486A/B Listed. Temperature rating 90 degrees C. Mounting hole spacing is NEMA standard of 1.75".

600T-4

4 Port Stacked Lug 600 MCM - 2 AWG Stacked Lugs are large size set screw connectors with wire holes stacked on top of each other to minimize the width of the connector. Made of 6061T-6 aluminum alloy. Tin plated for low contact resistance. Suitable for use with both copper and aluminum conductors. Rated 600 volts (2000V max. per UL486B). UL486A/B Listed. Temperature rating 90 degrees C. Mounting hole spacing is NEMA standard of 1.75".
Extruded Copper Lug 4-14 AWG Solid one-piece copper connector made from extruded copper for superior mechanical strength and excellent performance. Steel Screw. Suitable for use with copper wire only. 600V (2000V max. per UL486B). UL 486A/B Listed Wire Connectors.

4TC

Extruded Copper Lug 4-14 AWG Solid one-piece copper connector made from extruded copper for superior mechanical strength and excellent performance. Steel Screw. Suitable for use with copper wire only. 600V (2000V max. per UL486B). UL 486A/B Listed Wire Connectors.
Cast Bronze Terminal Lug 250 MCM - 1/0 AWG Copper Terminal Lugs are made of high copper alloy. They are used for joining a wide range of cables or terminal blocks.

TL250-L2

Cast Bronze Terminal Lug 250 MCM - 1/0 AWG Copper Terminal Lugs are made of high copper alloy. They are used for joining a wide range of cables or terminal blocks.

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Tork products are typically installed by trained technicians who follow a comprehensive commissioning process. This includes verifying the work environment, conducting electrical installation checks, performing internal and external equipment inspections, powering on the system, and executing operational tests to ensure compatibility and reliability.

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Tork products are designed to meet various environmental ratings, including NEMA Type 4X and Type 6, which provide protection against corrosion, windblown dust, rain, and occasional temporary submersion. These ratings ensure that Tork products can withstand harsh industrial environments while maintaining operational integrity.

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