NSi Industries 645 - Connector, Clamp Type, Two-Piece, Steel, Size K.O. 1-1/2 Inch
NSI Industries

645

UPC: 781747006455

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Multiplier: 20

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Overview

The NSI Industries 645 is a two-piece, clamp-type connector designed for NM (Non-Metallic) appliance applications. Constructed from durable steel, this connector ensures reliable mechanical and electrical connections for 1-1/2 inch knockouts. Its snap-in style simplifies installation, reducing labor time while maintaining compliance with electrical safety standards. The two-piece design allows for easy assembly around wires or cables, making it ideal for appliance wiring, junction boxes, and control panels. Unlike traditional connectors, the 645 eliminates the need for separate locknuts or bushings, streamlining the installation process. Compatible with standard NM cable and appliance wiring, this connector is a cost-effective solution for contractors and OEMs seeking efficient, code-compliant installations. The steel construction provides strength and corrosion resistance, ensuring long-term performance in indoor environments. NSI Industries, a trusted U.S.-based manufacturer, guarantees consistent quality and reliability for industrial and commercial electrical systems.
  • Two-piece clamp design for NM appliance applications
  • Snap-in style for quick, tool-free installation
  • Constructed from durable steel for strength and corrosion resistance
  • Compatible with 1-1/2 inch knockouts
  • Eliminates need for separate locknuts or bushings

Specifications

Application
Used to connect non-metallic cable to box or enclosure, locknut not required.
Cable Entry
Two piece steel clamp with tabs to insert through knockout
Finish
Zinc Electroplated
Material
Steel
Size
1 1/2 in
Special Features
Cable Range - .312-1.125 in
Standard
UL
Trade Size
1.5 in
Type
Connectors
Package Weight (Imperial)
0.144 L
Package Weight (Metric)
0.065 kg

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Frequently Asked Questions

What is the trade size of the connector?

The trade size of the connector is 1-1/2 inches.

What is the catalog ID for this product?

The catalog ID for this product is 645.

What material is the product made of?

The product is made of steel with a zinc electro-plate finish.

Where is the product manufactured?

The product is manufactured in the USA.

What is the UPC number for the product?

The UPC number for the product is 781747006455.

Is a locknut required for installation?

No, a locknut is not required for installation.

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.