NSi Industries 439-LT2 - Connector, Liquid Tight, Zinc Die Cast, Size 4 Inch
NSI Industries

439-LT2

UPC: 781747154392

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Overview

The NSi Industries 439-LT2 is a 4-inch zinc die-cast liquid tight connector engineered for demanding industrial environments where moisture, dust, and environmental hazards pose risks. This connector meets NEMA Type 4 and Type 6 enclosure watertight requirements, ensuring reliable performance in wet, oily, or corrosive conditions. The zinc die-cast construction delivers superior durability and corrosion resistance, while the liquid tight design provides a secure seal against liquids and particulates. Compatible with liquidtight flexible nonmetallic conduit (UL Type B) and tubing, the 439-LT2 accommodates a wide range of conduit sizes with its 4-inch trade size. Certified by UL (File #E-23018) and CSA (File #LR52391), this connector complies with ANSI/UL 514B-1988 and CSA 22.2 standards. It is suitable for hazardous locations including Class I Div. 2, Class II Div. 1 & 2, and Class III per NEC Articles 501-4, 502-4, and 503-3. The connector’s thermoplastic body (rated -40°C to 105°C) and nitrile O-ring ensure long-term performance in food processing, marine, and industrial settings. Ideal for machine tools, power plants, oil & gas refineries, and wastewater treatment facilities.
  • 4-inch trade size zinc die-cast connector for liquidtight flexible conduit/tubing
  • Meets NEMA Type 4 and Type 6 watertight requirements for harsh environments
  • UL (E-23018) and CSA (LR52391) certified for hazardous locations
  • Thermoplastic body (-40°C to 105°C) with nitrile O-ring for durability
  • Compatible with UL Type B liquidtight conduit and tubing

Specifications

Angle
Straight
Application
Straight connector for use with metallic and non-metallic "Type B" liquid tight conduit.
Connector Type
Straight
Finish
Ball burnish
Material
Zinc Die Cast
Size
4 IN
Standard
UL, CSA
Trade Size
4 in
Type
Connector
Package Dimensions (L x W x H)
6.375 IN x 6.375 IN x 5.5 IN
Package Dimensions (L x W x H)
16.1925 cm x 16.1925 cm x 13.97 cm
Package Weight (Imperial)
5.800 L
Package Weight (Metric)
2.631 kg

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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.