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Overview
- Meltric DXA1 Series Inlet/Angle Adapter
- Durable Black Metal Construction
- Size 2, 2P+G Configuration
- Rated 20 Amps, 600 Volts AC, 60 Hz
- IP66/IP67 Environmental Protection

BX4
Sealable and transparent protective covers BX4 and non-removable BX4-CA to protect the devices against accidental contact.
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
LN43DA
1/2 Inch, Straight, One-Piece Liquidtight Non-Metallic Fitting, CSA, UL E32447, Temperatures up to 60 Degrees C, PVC, Grey
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, BlackFrequently Asked Questions
What hazardous location ratings does the DXA1 have?
The DXA1 has CSA and ATEX hazardous listings, including Ex de IIC T*Gb, Ex tb IIIC T*Db, Class I Zone I AEx de IIC T*Gb, Zone 21 AEx tD T*Db, Class I Division 2, and Class II Division 2.
What material is the DXA1 casing made from?
The DXA1 features robust metal casings, specifically made of aluminum, designed to withstand harsh environments.
What type of contacts does the DXA1 use?
The DXA1 uses spring-loaded, butt-style contacts made of silver-nickel, providing superior conductivity, durability, and corrosion resistance.
What is the watertightness rating of the DXA1?
The DXA1 has an IP66/IP67 watertightness rating, achieved as soon as the plug is latched to the receptacle without needing an additional ring.
Does the DXA1 have a locking feature?
Yes, the DXA1 includes a standard locking provision for inserting a locking pin or padlock to prevent inadvertent disconnection.
What are the maximum amperage and voltage ratings?
The DXA1 has a maximum amperage of 20 A and a maximum voltage of 600 VAC at 60 Hz.
What are the horsepower ratings for the DXA1?
The DXA1 has horsepower ratings of 0.75 hp and 2 hp for 1-phase, and 3 hp and 10 hp for 3-phase applications.
What is the short circuit rating of the DXA1?
The DXA1 has a short circuit rating of 25 kA Close & Withstand. Testing was performed with an RK1 30 A fuse.
What is the operating temperature range?
The operating temperature range for the DXA1 is from a minimum of -67°F to a maximum of 140°F.
What wire sizes are compatible with the DXA1?
The DXA1 is compatible with THHN wire sizes ranging from a minimum of 16 AWG to a maximum of 10 AWG.
How to Install the DXA Controller
This guide provides step-by-step instructions for the installation and initial setup of the DXA Controller in industrial applications, ensuring safety and compliance with hazardous location standards.
Estimated time: 45m
Tools needed:
Screwdriver, Wire strippers, Multimeter
Supplies needed:
Mounting screws, Terminal connectors, Color-coded gaskets
- Mount the controller
Secure the DXA controller to the DIN rail using the integrated clips. Ensure the controller is level and firmly attached.
- Prepare the wiring
Remove an adequate length of cable outer sheath and strip the conductor insulation to the length indicated in the installation manual. Ensure the cable sheathing extends through the cord grip into the handle or box.
- Connect the ground terminals
Connect all metal parts to ground using the provided ground terminals. Ensure that the first ground terminal is factory-wired to the ground contact and that the second and third terminals are used for the ground conductor and accessory grounding, respectively.
- Insert the conductors
Fully insert the conductors into the contact terminals without backing out the terminal screws completely. Tighten the terminal screws to the torque specified in the installation manual.
- Install color-coded gaskets
Insert the color-coded gaskets between the device and its rear accessory to maintain the IP rating. Ensure the protrusions on the gasket are positioned correctly.
- Verify connections
Use a multimeter to verify that all connections are secure and that there are no short circuits. Check the continuity of the ground circuit.
- Calibrate the controller
Follow the programming instructions in the manual to configure the controller settings according to your application requirements.
- Conduct a final inspection
Inspect all connections, ensure that the safety shutter is functioning properly, and verify that the weight of the cable is supported by the strain relief mechanism.
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.













