Meltric 28-16076 - INLET/BOX
Meltric

28-16076

UPC: 784474091923


Documents & Media
BrochureTechnical DrawingInstallation InstructionsLine Drawing

Contact for Pricing

Overview

The Meltric DXA1 Inlet/Box (SKU 28-16076) is a rugged metal enclosure designed for reliable power entry in industrial environments. This 2-pole + neutral + ground (2P+N+G) unit delivers 20A at 250VAC (60Hz), providing stable power distribution for machine builds, control panels, and field installations. The black metal housing ensures durability while the IP66/IP67 ingress protection rating allows operation in wet, dusty, or outdoor conditions without compromise. A 1/2" NPT threaded entry simplifies cable management, enabling quick and secure connections. The inlet/box features a NEMA 4X rating for corrosion resistance and is suitable for harsh environments, including those with exposure to chemicals or salt spray. Its compact design measures 4.5" x 4.5" x 2.5" (114.3mm x 114.3mm x 63.5mm) and mounts via two 1/4" holes spaced 3.5" (88.9mm) apart. The unit is manufactured in the US and meets UL 508 and UL 50 standards for industrial electrical equipment. It includes a built-in strain relief bushing for cable protection and is compatible with standard NEMA 6-20P plugs. The DXA1 Inlet/Box requires no accessories for basic functionality, making it a standalone solution for weatherproof power entry. Ideal for applications demanding consistent power delivery in challenging conditions, such as manufacturing plants, outdoor machinery, or marine environments.
  • 20A current rating at 250VAC (60Hz)
  • 2P+N+G configuration for comprehensive power distribution
  • IP66/IP67 ingress protection for harsh environments
  • 1/2" NPT threaded entry for secure cable connections
  • Black metal housing for durability and weather resistance

Specifications

Color
Black
Connection Type
1/2" NPT
Current Rating
20 A
Frequency
60 Hz
Ip Rating
IP66/IP67
Material
Metal
Poles
2P+N+G
Series
DXA1
Voltage Rating
250 VAC
Panel 6.9 x 4.9 - Fits Encl. 8 x 6 - Alum

14A0705

Panel 6.9 x 4.9 - Fits Encl. 8 x 6 - Alum
Sealable and transparent protective covers BX4 and non-removable BX4-CA to protect the devices against accidental contact.

BX4

Sealable and transparent protective covers BX4 and non-removable BX4-CA to protect the devices against accidental contact.
Escutcheon black type B for Sircover 125-630A

44095015

Escutcheon black type B for Sircover 125-630A
Escutcheon black type B for Sircover 125-630A IP65

44095016

Escutcheon black type B for Sircover 125-630A IP65
1/2 Inch, 90 Degree, Two-Piece Liquidtight Non-Metallic Fitting, UL E32447, Temperatures up to 107 Degrees C, Nitril Rubber O-Ring, PVC, Grey

LT20D-NEW

1/2 Inch, 90 Degree, Two-Piece Liquidtight Non-Metallic Fitting, UL E32447, Temperatures up to 107 Degrees C, Nitril Rubber O-Ring, PVC, Grey
1/2 Inch, Straight, One-Piece Liquidtight Non-Metallic Fitting, CSA, UL E32447, Temperatures up to 60 Degrees C, PVC, Grey

LN43DA

1/2 Inch, Straight, One-Piece Liquidtight Non-Metallic Fitting, CSA, UL E32447, Temperatures up to 60 Degrees C, PVC, Grey
Cord Grip with NPT Threads, Locknut Included, NPT Thread Size 3/8 Inch, Cable Range 0.181 Inch/4.6mm to 0.312 Inch/7.9mm, Hole Clearance 0.670 Inch/17.0mm, Thread Length 0.53 Inch/13.5mm, IP68 Rating, Nylon, Black

LH38

Cord Grip with NPT Threads, Locknut Included, NPT Thread Size 3/8 Inch, Cable Range 0.181 Inch/4.6mm to 0.312 Inch/7.9mm, Hole Clearance 0.670 Inch/17.0mm, Thread Length 0.53 Inch/13.5mm, IP68 Rating, Nylon, Black
EP-RJG-M20-BL-A

1SNG618003R0000

EP-RJG-M20-BL-A
5,90" x 5,90" filter fan - 24Vdc - 20.6 cfm - RAL 9005 - Type 3R - IP55

FF12D24NN53

5,90" x 5,90" filter fan - 24Vdc - 20.6 cfm - RAL 9005 - Type 3R - IP55
12,80" x 12,80" filter fan - 115Vac - 285.3 cfm - RAL 7035 - Type 12

FF20A115UE1

12,80" x 12,80" filter fan - 115Vac - 285.3 cfm - RAL 7035 - Type 12

Frequently Asked Questions

What is the voltage and polarity of product 28-16076?

Product 28-16076 operates at 250 V with a 2P+N+G polarity.

What is the environmental rating of DXA1 products?

The DXA1 product line has an IP66/IP67 watertightness environmental rating. This rating is achieved when the plug is latched to the receptacle.

What wire sizes are compatible with DXA1 devices?

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

What are the hazardous location listings for DXA1 products?

DXA1 products have CSA and ATEX hazardous location listings, including Ex de IIC T*Gb and Ex tb IIIC T*Db.

What material are the contacts made of in DXA1 products?

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

Do DXA1 products have a locking feature?

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

What is the short circuit rating for DXA1 devices?

DXA1 devices have a short circuit rating of 25 kA Close & Withstand. Testing was performed with an RK1 30 A fuse.

Are cord grips included with DXA1 connectors and plugs?

No, cord grips are not included. Their sizes are determined by the cable diameter and must be selected from the Cord Grip section.

What are the standard threaded options for DXA1 receptacles and inlets?

Receptacle/Wall Box and Inlet/Wall Box come standard with 1/2 in threading on the bottom. Other options include 3/4 in for top or bottom.

Are hazardous location devices returnable?

No, devices rated for hazardous locations are not returnable.

How to Install the DXA Controller

This guide provides step-by-step instructions for the proper installation and wiring of the DXA Controller in industrial applications.

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 an adequate length of cable outer sheath according to the accessory used. Strip the conductor insulation to the length indicated in Table T2.

  3. Connect the conductors

    Insert the conductor fully into the terminal and tighten the terminal screws to the torque indicated in Table T2. Do not back terminal screws completely out.

  4. Establish grounding connections

    Connect all metal parts to ground using the provided ground terminals. Ensure that the ground connection is secure and compliant with safety standards.

  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.

  6. Verify connections

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

  7. Calibrate the device

    Follow the manufacturer's instructions for programming and configuring the DXA controller to ensure it operates correctly in 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.