
Contact for Pricing
Overview
- 600A current rating at 600VAC, 60Hz frequency
- IP66/67 rated for dust and water ingress protection
- Polycarbonate (poly) black construction for durability
- Screw-type locking pawl for secure connections
- Optimized for Size S industrial applications
Specifications
Color | Black |
Connection Type | Screw-type locking pawl |
Current Rating | 600 A |
Frequency | 60 Hz |
Ip Rating | IP66/IP67 |
Material | Polycarbonate |
Series | 44-49002 |
Size | Size S |
Voltage Rating | 600 VAC |

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 are the maximum amperage and voltage ratings?
The general ratings are 600 A and 600 VAC Max for CSA and NOM, and 800 A and 1000 VAC/1500 VDC Max for IEC.
What is the operating temperature range for this product?
The product operates within a temperature range of Min -15°F to Max 140°F.
What is the environmental protection rating?
The device has an environmental protection rating of IP66/IP67 when mated, ensuring protection against dust and water ingress.
What is the purpose of the mechanical interlock?
The mechanical interlock prevents connection and disconnection under load by controlling the power circuit via an integral pilot circuit switch.
What is the current interruption capability of the device?
The device is not designed for current interrupting.
What is the wiring capacity for this product?
The wiring capacity ranges from a minimum of 2/0 AWG to a maximum of 777 MCM.
What is the standard cable range for plugs and connectors?
Plugs and connectors come standard with a .750-.875 inch cable range. Other sizes are available by referring to the provided table.
What are the specifications for the pilot wiring?
The pilot wiring is prewired with 1A, 240 VAC, and 14 AWG.
What is the horsepower rating for the product?
The product has a 3Ø 500 hp rating, which is CSA hp rated when auxiliary pilots are wired to control the motor control circuit.
How do I safely disconnect the plug from the receptacle?
To disconnect, open the pilot circuit by turning the ring until "0" aligns with the arrow, which turns off the power. Then, press the latch release button and pull the inlet.
How to Install the SP Series High-Amperage Plugs and Receptacles
This guide provides step-by-step instructions for safely installing and configuring the SP series high-amperage plugs and receptacles, ensuring proper electrical connections and compliance with safety standards.
Estimated time: 1h
Tools needed:
Screwdriver, Wire strippers, Multimeter, Torque wrench
Supplies needed:
Mounting screws, Terminal connectors, Gaskets, Sealer tape
- Disconnect power
Before starting the installation, ensure that all power sources to the circuit are disconnected to eliminate the risk of electrical shock.
- Mount the receptacle
Secure the receptacle to the mounting surface using appropriate screws and ensure that watertight seals are used to maintain IP66/IP67 protection.
- Connect the main conductors
Use a flexible cable rated between 2/0 and 777 MCM. Tighten the threaded lugs until the tapered section is in solid contact with the terminal, applying a torque of 30 ft-lbs (40 N.m).
- Wire the pilot contacts
Connect the auxiliary/pilot contact leads in series within the power control circuit as per the wiring diagram provided.
- Attach the handle
Insert the cable through the cable gland and handle before tightening the phase conductor. Assemble the handle with the provided screws and gasket.
- Verify connections
Use a multimeter to check the continuity of the ground circuit and ensure all connections are secure and compliant with local electrical codes.
- Calibrate the system
Follow the manufacturer's guidelines to calibrate the system, ensuring that all settings are configured correctly for safe operation.
- Test the installation
Reconnect power and perform a functional test of the system to ensure that the plugs and receptacles operate correctly without any load.
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.













