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Overview
- 30-degree angled design for flexible cable routing in tight spaces
- Rated IP66/67 for superior dust and water ingress protection
- Supports 10A at 230V AC (50/60 Hz) with 36 poles plus ground
- Compatible with Size 3 configurations for industrial applications
- Durable metal construction made in the USA by Meltric

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
How are contacts installed and removed from the device?
To install, push the wired contact into the rear of the insulator until it stops. To remove, use the provided tool by pushing it from the front onto the contact until it stops.
What is the watertightness rating of the device?
The device has an IP66/IP67 environmental rating, achieved once the plug is latched to the receptacle without needing to tighten an additional ring.
What safety feature do recessed contacts provide?
Recessed contacts provide IP2X protection from live electrical parts, enhancing user safety.
How can inadvertent disconnection be prevented?
Inadvertent disconnection can be prevented by inserting a locking pin or padlock into the locking provision.
What hazardous locations are supported by these devices?
The DXN25c/DXN37c devices are suitable for Zone 1 & 2 (gas) and Zone 21 & 22 (dust) hazardous locations.
What are the ATEX/IECEx temperature ranges for DXN25c?
For DXN25c, the ATEX/IECEx temperature range is -40°C to +60°C (T5) or -40°C to +40°C (T6).
What are the ATEX/IECEx temperature ranges for DXN37c?
For DXN37c, the ATEX/IECEx temperature range is -40°C to +55°C (T5) or -40°C to +40°C (T6).
What is the voltage and polarity for part 36C7003?
Part 36C7003 operates at 220 V with a 36P+G polarity configuration.
What cable diameter ranges are compatible with 36C7003?
The 36C7003 is compatible with cable diameter ranges of 0.500-0.830 inches and 0.630-1.050 inches.
What are the voltage ratings for DXN25c and DXN37c?
The DXN25c is rated for 440 VAC or VDC, while the DXN37c is rated for 230 VAC or VDC.
How to Install the MELTRIC PXN12c/DXN25c/DXN37c Plugs and Receptacles
This guide provides step-by-step instructions for safely installing and wiring MELTRIC PXN12c/DXN25c/DXN37c plugs and receptacles in compliance with electrical codes.
Estimated time: 45m
Tools needed:
Screwdriver, Wire strippers, Multimeter, Crimping tool
Supplies needed:
Mounting screws, Heat shrink sleeves, Insulating sleeves, Terminal connectors
- Verify power is off
Before starting the installation, ensure that all sources of power to the circuit are disconnected to eliminate the risk of electrical shock.
- Mount the receptacle
Secure the receptacle to the designated mounting surface using appropriate screws. Ensure it is level and firmly attached.
- Prepare conductors
Strip the insulation from the conductors to a length of 8 mm (0.315 in). Ensure the conductors meet the capacity requirements as specified in the installation manual.
- Connect the conductors
Insert the stripped conductors into the terminal connectors. If crimping, use a crimping tool to secure the connection, ensuring compliance with the specified standards.
- Apply heat shrink or insulating sleeve
Slide a heat shrink sleeve over the terminal connection and apply heat evenly with a heat gun until it shrinks securely around the terminal.
- Insert contacts
Insert the contacts through the rear of the receptacle until fully engaged. Verify proper engagement by pulling lightly on each contact.
- Connect the plug
Align the plug guides with the receptacle, push the plug in, and turn counter-clockwise until it is securely latched.
- Lockout provisions
After connecting, ensure to lock the receptacle using a mechanical locking device to prevent accidental disconnection under load.
- Perform final checks
Use a multimeter to verify that all connections are secure and that there are no short circuits before restoring power to the circuit.
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.












