NSi Industries 800T-4 - 4 Port Stacked Lug 800 - 300 MCM 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

800T-4

UPC: 662381001870

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Technical Bulletin

Contact for Pricing

Overview

NSI Industries 800T-4 is a 4-port stacked lug connector designed for high-current applications requiring compact installation. Constructed from 6061T-6 aluminum alloy with tin plating to ensure low contact resistance and corrosion resistance. Each port accommodates conductors from 800 AWG to 300 MCM, making it ideal for heavy-duty wiring in industrial, commercial, and utility environments. The stacked design minimizes connector width while maximizing wire density, reducing panel space requirements. Rated for 600 volts (with a maximum of 2000 volts per UL486B) and operating at up to 90°C, the 800T-4 meets UL486A/B standards for safety and reliability. Mounting hole spacing follows NEMA standards at 1.75 inches, ensuring compatibility with standard electrical enclosures and panels. Suitable for both copper and aluminum conductors, this connector provides a durable, low-resistance connection for high-power distribution systems, motor controls, and renewable energy installations.
  • 4-port stacked lug design minimizes panel space usage
  • Accommodates conductors from 800 AWG to 300 MCM
  • 6061T-6 aluminum alloy with tin plating for low contact resistance
  • Rated 600V (2000V max per UL486B), 90°C temperature rating
  • UL486A/B Listed, compatible with copper and aluminum conductors

Specifications

Application
Wire Termination
Connection Type
Set Screw
Current Rating
800-300 MCM
Decorative Color
Aluminum
Material
6061T-6 Aluminum Alloy
Material Quality
Aluminum
Mounting Type
Stacked Lug
Mounting Type
NEMA Standard
Nema Rating
1.75"
Nema Rating
Standard 1.75"
Nema Rating
NEMA standard 1.75"
Poles
4
Series
800T
Size
800-300 MCM
Size
4 Port
Special Features
(4) 800-300 MCM - Dual Rated - 2 Pack
Standard
cULus
Type
Aluminum Stacked Lug
Voltage Rating
600 V
Warranty
1 Year
Package Dimensions (L x W x H)
4.91 IN x 2.63 IN x 3 IN
Package Dimensions (L x W x H)
12.4714 cm x 6.6802 cm x 7.62 cm
Package Weight (Imperial)
3.040 L
Package Weight (Metric)
1.379 kg

Similar Products

800T-4-BULK

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Connection Type: Screw Terminal

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800T-2

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Special Features: (3) 800-300 MCM - Dual Rated - 2 Pack

Current Rating: 800 A

Size: 300 MCM

800T-BULK

Connection Type: Set-Screw

800T

8001-N

Action: SPDT

Base: Screw

Size: L=5.000 - H=9.125 - W=4.500 IN

Frequently Asked Questions about NSi Industries

What technical support does NSi Industries offer?

NSi Industries offers dedicated technical support through their toll-free technical support line at 888.500.4598. They are committed to customer satisfaction and promise to make every reasonable effort to remedy any product or service issues. Additionally, customers can contact their customer service team at 800.321.5847 or email [email protected] for further technical assistance.

What are the key features of NSi Industries products?

NSi Industries products feature exceptional versatility, reliability, and safety across multiple industrial automation categories. Key features include insulation piercing connectors with no wire stripping required, watertight and corrosion-free designs, wide wire range compatibility (from #14 AWG to 750 MCM), and the ability to install on energized conductors. Their product lines like Easy-Tap™ Connectors and TORK® Digital Timers demonstrate advanced capabilities such as turbo spacers, double shear-head bolts, astronomic scheduling, and enhanced switching technologies.

What environmental ratings do NSi Industries products have?

NSi Industries enclosures feature robust environmental ratings, including IEC 60529 IP66 certification, NEMA Type 1, 2, 3, 4, 4X, 12, and 13 ratings, and UL/CSA standards. Their products are designed for both indoor and outdoor applications, with protection against dust, water, corrosion, and extreme temperatures ranging from -40°F to 266°F.

How are NSi Industries products typically installed?

NSi Industries products are typically installed using detailed mechanical and digital wiring diagrams that specify precise connection methods for various voltage configurations (120V, 208V, 240V, 277V, 480V). Installation involves carefully following product-specific wiring schematics, which include clear terminal block connections, ground wire specifications, and phase alignment requirements. Professional electricians and technicians should reference the specific product's wiring diagram to ensure correct installation and electrical compliance.

What industries and applications are NSi Industries products used for?

NSi Industries provides electrical and automation products for diverse industrial applications, including lighting control, electrical enclosures, wire management, connectors, and sensor technologies. Their product lines serve commercial, industrial, and infrastructure markets with solutions for electrical infrastructure, control systems, and safety-critical environments.

What are the main product lines offered by NSi Industries?

NSi Industries offers a comprehensive range of industrial products including TORK® Photocontrols, Polaris™ Lighting Controls, Easy-Twist™ Grounding Solutions, Miniterms, Cable Ties, Connectors, Enclosures, Occupancy Sensors, and Wire Management systems. Their product lines span electrical components, control devices, and industrial automation accessories designed for diverse applications in commercial and industrial settings.

What accessories are available for NSi Industries products?

NSi Industries offers a range of accessories for their product lines, including photocontrol accessories like replacement caps, mounting brackets, and receptacles. Specific accessories include shorting caps, open caps, 3-pin and 7-pin receptacles, and utility mounting brackets for conduit photocontrols. For specialized applications, NSi recommends contacting their customer service team to discuss custom accessory needs.