Meltric 39-44143-172 - RECEPTACLE
Meltric

39-44143-172

UPC: 784474030526


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Overview

The Meltric DR400 Receptacle (SKU: 39-44143-172) provides a secure and reliable electrical connection for heavy-duty industrial applications. This Size 7 unit, finished in durable Metal Gray, is constructed from robust metal for enhanced longevity and resistance to environmental factors. Engineered to meet stringent protection standards, it boasts a NEMA Type 4X rating and an IP69 ingress protection rating, ensuring dependable operation in washdown, dusty, or corrosive environments. The receptacle is configured with 3 Poles plus Ground (3P+G) and is rated for 400 Amperes at 600 Volts AC and 60 Hz. It also includes two auxiliary contacts (+2) for expanded control or signaling capabilities. The DR400 series is designed for safe and efficient power distribution in demanding industrial settings where reliability is paramount. Its construction offers superior protection against moisture, dust, and impact, making it suitable for a broad spectrum of industrial uses.
  • 400 Ampere current rating for high-power applications
  • 600 Volt AC voltage rating
  • NEMA Type 4X and IP69 ingress protection for extreme environments
  • Durable Metal Gray metal construction
  • 3 Poles + Ground (3P+G) configuration with 2 auxiliary contacts

Specifications

Color
Metal Gray
Current Rating
400 A
Frequency
60 Hz
Ip Rating
IP69
Material
Metal
Nema Rating
Type 4X
Poles
3P+G
Series
DR400
Size
Size 7
Voltage Rating
600 VAC
DS100C INLET

37-68172-C-K07

DS100C INLET
GROUND BAR

51AA089

GROUND BAR

Frequently Asked Questions

What is the maximum amperage for this device?

The device has a maximum amperage rating of 400 A.

Is this product suitable for current interruption?

No, the device is not designed for current interrupting applications.

What is the maximum voltage rating for this product?

The maximum voltage rating for the product is 600 VAC.

What are the environmental ratings of the product?

The product has environmental ratings of Type 4X/IP66/IP67/IP69/IP69K.

What is the short circuit rating?

The short circuit rating of the device is 18 kA.

What is the operating temperature range?

The operating temperature range is from -40°F to 140°F.

What wire sizes can be accommodated?

The wiring capacity ranges from 2 AWG to 350 MCM, with options for 500 MCM using adapters.

What certifications does this product have?

The product is certified under UL 1682, CSA C22.2 NO. 182.1, and NOM.

Frequently Asked Questions about Meltric

What certifications and standards do Meltric products comply with?

Meltric products are rigorously certified and comply with multiple critical industrial standards, including UL 2682, UL 508, UL 98, UL 1682, and CSA 22.2 No. 182.1. Their devices are UL and CSA listed with comprehensive ratings covering electrical endurance, short circuit withstand capabilities, motor circuit disconnect switching, and environmental protection standards like Type 4X/IP69/IP69K. Specific certifications include switch-rated plug and receptacle listings that exceed standard industry requirements.

What are the key features of Meltric products?

Meltric products feature advanced safety and reliability technologies, including spring-assisted terminals, push-button circuit disconnection, enclosed arc chambers, and integrated lockout-tagout capabilities. Key innovations include silver-nickel butt-style contacts, a quick-break mechanism that disconnects circuits in 15 milliseconds, and a self-cleaning contact system. Most devices offer modular construction, optional auxiliary contacts, and automatic watertightness, with robust casings made of fiberglass-reinforced thermoplastic polyamide that resist impact and harsh environments.

What environmental ratings do Meltric products have?

Meltric products feature robust environmental ratings, including Type 4X/IP69/IP69K certification, which also meets IP66/IP67 requirements. Their devices are rated to operate in temperatures from -40°F to 140°F, with specific IK ratings for impact resistance ranging from 08 to 10 Joules depending on the product material and model. Metal-cased products typically have higher impact resistance (IK10 with 20 Joules) compared to polymer-based products (IK09 with 10 Joules).

What industries and applications are Meltric products used for?

Meltric products are used across multiple heavy industrial and hazardous environments, including chemical plants, pharmaceutical facilities, oil and gas operations, grain silos, wood processing plants, plastics manufacturing, and wastewater treatment facilities. Their specialized plugs and receptacles are engineered for high-amperage equipment, wet/washdown environments, and locations with explosive gas or dust risks, with specific product lines like DSN and DS Series designed for different industrial applications ranging from 75-100 horsepower equipment.

What technical support does Meltric offer?

Meltric offers comprehensive technical support through multiple channels. Their Customer Service group provides immediate phone support at 800-433-7642, with trained representatives located at their manufacturing facility. Additionally, Meltric's engineering team offers specialized application support, custom design solutions, and can help integrate Meltric and third-party components into power distribution products.

What are the main product lines offered by Meltric?

Meltric offers a comprehensive range of industrial electrical plugs and receptacles across several key product lines: Switch-Rated Plugs & Receptacles (DSN and DS series from 20-200A), Multipin Connectors (6-37 pin, 2-50A), Standard Duty Plugs & Receptacles (DR, PN, DSDC series), High Ampacity Plugs & Receptacles (PF/PFQ, DR400, CS1000, SP series from 300-600A), and specialized options like RETTBOX electromagnetic self-ejection devices and PNHT high-temperature connectors.

What accessories are available for Meltric products?

Meltric offers a comprehensive range of accessories for their industrial plugs and receptacles, including handles, angle adapters, junction boxes, poly conduit entry boxes, finger drawplates, and protective/padlockable inlet/plug caps. These modular accessories allow customers to customize their electrical connection solutions, with options like 30° and 70° angles, metal and poly configurations, and additional features such as auxiliary contacts and locking mechanisms.

How are Meltric products typically installed?

Meltric products are typically installed by inserting the plug into the receptacle with a simple 30-degree clockwise rotation, which latches the connection and energizes the circuit. The installation process is designed for safety, featuring automatic watertight sealing, dead-front safety shutters, and spring-loaded butt-style contacts that ensure optimal electrical performance. For motor change-outs, qualified workers follow a specific procedure including verifying de-energization, applying lockout/tagout, and carefully inserting the plug into the receptacle.

What is Meltric's warranty policy?

Meltric offers a comprehensive 5-year warranty on electrical contacts for all its plug and receptacle products. This warranty reflects the company's confidence in the durability and high-quality design of their electrical components, which are engineered to provide superior performance and reliability in industrial applications.