Meltric 28-13073 - CONNECTOR
Meltric

28-13073

UPC: 784474091428


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Overview

The Meltric DXA1 (SKU 28-13073) is a 3-pole plus ground metal electrical connector rated for 20A and 250VAC (60Hz). It features IP66/67 ingress protection for reliable operation in harsh environments. The black metal housing ensures durability, and the 1/2" NPT threaded entry allows secure cable gland attachment. Designed for industrial power distribution, this connector is suitable for machine wiring, control panels, and equipment requiring weather-resistant connections. Manufactured in the US by Meltric.
  • 3-pole plus ground (3P+G) configuration
  • Rated for 20A at 250VAC (60Hz)
  • IP66/67 ingress protection for harsh environments
  • Black metal housing for durability
  • 1/2" NPT threaded entry for secure cable gland attachment

Specifications

Color
Black
Current Rating
20 A
Frequency
60 Hz
Ip Rating
IP66/IP67
Material
Metal
Mounting Type
Threaded (NPT)
Poles
3P+G
Series
DXA1
Size
1/2" NPT
Voltage Rating
250 VAC
Power supply for DIN-rail

PS-60

Power supply for DIN-rail
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Frequently Asked Questions

Are hazardous location devices returnable?

No, devices rated for hazardous locations are explicitly stated as not returnable.

What are the horsepower ratings for DXA1 devices?

DXA1 devices have horsepower ratings including 0.75 hp and 2 hp for 1-phase, and 3 hp and 10 hp for 3-phase applications.

What are the maximum electrical ratings for DXA1 products?

DXA1 products, including 28-13073, have a maximum amperage of 20 A and a maximum voltage of 600 VAC at 60 Hz.

What is the operating temperature range for DXA1 devices?

The operating temperature range for DXA1 devices is a minimum of -67°F and a maximum of 140°F.

What is the environmental protection rating of DXA1 connectors?

DXA1 connectors have an environmental rating of IP66/IP67 watertightness, achieved as soon as the plug is latched to the receptacle.

What wire sizes are compatible with DXA1 products?

DXA1 products are compatible with THHN wire sizes ranging from a minimum of 16 AWG to a maximum of 10 AWG.

What are the hazardous location certifications for DXA1?

DXA1 products have CSA and ATEX hazardous listings, including Ex de IIC T*Gb and Ex tb IIIC T*Db, for various temperature classes and zones.

What material are the contacts made of in DXA1 products?

DXA1 products feature silver-nickel contact material, which provides superior conductivity, durability, and corrosion resistance.

How is watertightness achieved with DXA1 plugs and receptacles?

Watertightness (IP66/IP67) is achieved as soon as the plug is latched to the receptacle, without needing an additional ring to tighten.

Can DXA1 devices be locked to prevent disconnection?

Yes, DXA1 devices include a locking provision for inserting a locking pin or padlock to prevent inadvertent disconnection.

How to Install the DXA Controller

This guide provides step-by-step instructions for installing and wiring the DXA Controller in industrial applications, ensuring compliance with safety standards.

Estimated time: 45m

Tools needed:

Screwdriver, Wire strippers, Multimeter

Supplies needed:

Mounting screws, Terminal connectors, Color-coded gaskets

  1. Mount the controller

    Secure the DXA Controller to the DIN rail using the integrated clips. Ensure the controller is level and firmly attached.

  2. Prepare the wiring

    Remove the outer sheath of the cable to the appropriate length and strip the conductor insulation as indicated in the installation guide. Ensure the cable sheathing extends through the cord grip for proper sealing.

  3. Connect the conductors

    Insert the stripped conductors into the terminal blocks without fully removing the terminal screws. Tighten the screws to the specified torque to secure the connections.

  4. Establish grounding connections

    Connect all metal parts of the controller to the ground terminals provided. Ensure that the grounding wire is securely fastened and that the grounding circuit is intact.

  5. Install color-coded gaskets

    Insert the color-coded gaskets between the device and its rear accessory to maintain the IP rating. Position the protrusions on the gasket correctly according to the installation instructions.

  6. Verify connections

    Use a multimeter to check the continuity of the ground circuit and ensure all connections are secure and properly wired before powering on the device.

  7. Calibrate the device

    Follow the manufacturer's instructions to configure and calibrate the DXA Controller settings as required for your specific application.

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.