Contact for Pricing
Overview
- Meltric PN20 Metal Inlet Connector, SKU: 09-N8043
- Rated for 480 VAC and 20 A
- 3-pole plus ground (3P+G) configuration
- Type 4X NEMA-rated metal construction for superior environmental protection
- Size 1, screw terminal connection type, manufactured in the US
Specifications
Current Rating | 20 A |
Material | Metal |
Nema Rating | Type 4X |
Poles | 3P+G |
Size | Size 1 |
Voltage Rating | 480 VAC |
Frequently Asked Questions
What is the maximum operating voltage?
The maximum operating voltage for the PN20 is 600 VAC.
What is the temperature range for this product?
The product operates in temperatures ranging from -40°F to 140°F.
What is the current interruption capability?
The PN20 has a current interruption capability of 20 A up to 480 VAC and 15 A at 600 VAC.
What are the environmental ratings?
The PN20 has environmental ratings of Type 4X/IP66/IP67.
What certifications does the PN20 have?
The PN20 is UL 1682 and CSA C22.2 No. 182.1 certified.
What wire sizes are compatible with this product?
The wiring capacity is based on THHN wire sizes, with a minimum of 14 AWG and a maximum of 8 AWG.
What materials are used in the contacts?
The PN20 features silver-nickel contact surfaces for superior conductivity and corrosion resistance.
How to Install the MELTRIC PN Series Plugs and Receptacles
This guide provides step-by-step instructions for safely installing and wiring MELTRIC PN Series plugs and receptacles, ensuring proper electrical connections and compliance with safety standards.
Estimated time: 45m
Tools needed:
Screwdriver, Wire strippers, Multimeter, Allen wrench
Supplies needed:
Mounting screws, Terminal connectors, Fitting seal tape
- Disconnect power
Ensure all sources of power to the circuit are disconnected to eliminate the risk of electrical shock.
- Mount the receptacle
Secure the receptacle to the wall box using appropriate mounting screws. Ensure it is level and firmly attached.
- Prepare the wiring
Insert the cable through the handle and strip the cable jacket to a length of at least 1/2 inch. Strip each conductor according to the lengths specified in Table 3.
- Connect the conductors
Twist the strands of each conductor together and insert them fully into their respective terminals. Tighten the terminal screws to the specified torque in Table 4.
- Seal the connections
Apply fitting seal tape to all NPT fittings to maintain watertightness. Ensure that the handle is securely attached and that the cable jacket extends into the handle.
- Verify connections
Use a multimeter to check for continuity and ensure that all connections are secure and properly grounded.
- Test the installation
Reconnect power to the circuit and test the plug and receptacle by connecting and disconnecting them to ensure proper operation.
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.
