NSi Industries 5441A - Enclosure with 4 3PST Contactors
NSI Industries

5441A

UPC: 786261810205

Contact for Pricing

Overview

NSI Industries 5441A is a UL 508A Type 3R, 4, 12, and 13 listed industrial enclosure housing four 3-pole, single-throw (3PST) 40A contactors. The enclosure is constructed from continuously welded 16/14 gauge steel with a lift-off cover secured by stainless steel clamps and screws, featuring a seamless poured-in-place gasket for superior environmental protection. It meets NEMA Type 3R, 4, 12, and IEC 60529 IP66 standards, ensuring reliable operation in wet, outdoor, or corrosive environments. The enclosure includes welded mounting brackets, a removable 14 gauge inner panel (for models >4"x4"), internal threaded weld studs, a door bonding stud, and an enclosure grounding stud. Finished in phosphatized ANSI 61 gray powder-coated cover/enclosure with a white powder-coated inner panel, the 5441A is designed for heavy-duty industrial applications requiring robust protection and durability. Ideal for use in manufacturing, automation, and process control systems.
  • UL 508A Type 3R, 4, 12, and 13 listed for industrial environments
  • NEMA 3R, 4, 12 and IEC 60529 IP66 rated for wet, outdoor, or corrosive conditions
  • Four 3-pole, single-throw (3PST) 40A contactors included
  • Continuously welded 16/14 gauge steel construction with seamless gasket
  • Removable 14 gauge inner panel (for models >4"x4"), internal weld studs, and grounding/bonding studs

Specifications

Action
3PST
Application
NSI
Base
Screw
Color
ANSI 61 Gray / White
Contact Configuration
3PST
Contact Rating
120 VAC
Current Rating
40 A
Enclosure
NEMA 1 Metal Indoor
Frequency Rating
60 Hz
Initiation
Contact
IP Rating
IP66
Material
Steel
Mounting
Screw Mount
Mounting Type
Welded Mounting Brackets
Nema Rating
Type 3R, 4, 12, 13
Number Of Poles
3
Phase
Single Phase
Poles
3PST
Series
5441A
Size
L=4.687 - H=7.937 - W=2.937 IN
Special Features
Can Switch Up To 40 Amps Per Pole From 120VAC - 277 V lighting Loads, One To Three Circuits Simultaneously
Standard
cULus
Type
40 Amp Contactor
Package Dimensions (L x W x H)
4.625 IN x 12.75 IN x 20.75 IN
Package Dimensions (L x W x H)
11.7475 cm x 32.385 cm x 52.705 cm
Package Weight (Imperial)
16.700 L
Package Weight (Metric)
7.575 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.