Meltric 33-38142-974 - INLET
Meltric

33-38142-974

UPC: 784474124560


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Overview

The Meltric DS30 INLET (SKU: 33-38142-974) is a Size 3, blue poly inlet designed for industrial power connections. Rated for 30 Amps at 600 Volts AC and 60 Hertz, this inlet features a Type 3R enclosure for outdoor or wet environment protection against rain, sleet, and snow. It includes 2 poles plus ground (2P+G) and 4 auxiliary contacts for signaling or control functions, allowing for remote monitoring or interlocking applications. The poly construction ensures durability in demanding industrial environments, resisting impact, corrosion, and UV exposure. Manufactured in the USA, the DS30 series is built to UL 1998 and UL 50 standards, ensuring reliable and safe electrical connections. The inlet is field-installable with standard tools and includes a captive mounting bracket for secure attachment. Ideal for power distribution in manufacturing plants, construction sites, outdoor facilities, and temporary power setups where weather resistance, auxiliary contact functionality, and compliance with industrial safety standards are required. The DS30 INLET is compatible with Meltric’s DS30 series receptacles and connectors, providing a secure and weatherproof connection system for industrial applications.
  • 30 Amp, 600VAC, 60Hz rated inlet for industrial power connections
  • Type 3R enclosure protects against rain and sleet for outdoor use
  • 2 poles plus ground (2P+G) with 4 auxiliary contacts for control/signaling
  • Blue poly construction ensures durability in demanding environments
  • Manufactured in the USA by Meltric for reliable performance

Specifications

Color
Blue
Connection Type
Screw Terminal
Current Rating
30 A
Frequency
60 Hz
Material
Poly
NEMA Rating
Type 3R
Poles
2P+G
Series
DS30
Size
Size 3
Voltage Rating
600 VAC
Power supply for DIN-rail

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Power supply for DIN-rail
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Frequently Asked Questions

How many auxiliary contacts are available?

Receptacles and inlets can be configured with 2, 3, or 4 auxiliary/pilot contacts.

How can maximum water ingress protection be achieved?

To achieve maximum water ingress protection of Type 3R/IP55, spring-loaded caps should be ordered with inlets equipped with the -A155 suffix.

Why is a self-returning lid recommended?

A self-returning lid is recommended for cord applications to keep the lid tucked in and avoid damage.

What certifications does this product hold?

The product holds UL 2682, UL 1682, CSA C22.2 NO. 182.1, and NOM certifications.

What is the wiring capacity for main and auxiliary contacts?

The wiring capacity for main contacts is Min 14 AWG to Max 4 AWG, and for auxiliary contacts it is 14 AWG.

What is the operating temperature range?

The operating temperature range is a minimum of -40°F and a maximum of 140°F.

What are the standard environmental ratings?

The standard environmental rating is Type 3R, with Type 4X available as an optional rating.

What is the short circuit rating of the device?

The short circuit rating is 100 kA Close & Withstand, tested with RK1 current limiting fuses.

What are the horsepower ratings?

Horsepower ratings are 1.5 hp and 3 hp for 1Ø, and 5 hp, 5 hp, 15 hp, and 15 hp for 3Ø.

What is the switch rating for this product?

The product has a switch rating for Branch Circuit and Motor Circuit Disconnect Switching, applicable for AC only.

How to Install the DSN/DS Series Controller

This guide provides step-by-step instructions for the installation and initial setup of the DSN/DS Series Controller, ensuring safe and effective operation.

Estimated time: 45m

Tools needed:

Screwdriver, Wire strippers, Multimeter

Supplies needed:

Mounting screws, Terminal connectors

  1. Disconnect power

    Before starting the installation, ensure that all sources of power to the circuit are disconnected to eliminate the risk of electrical shock.

  2. Mount the controller

    Secure the controller to the DIN rail using the integrated clips. Ensure the controller is level and firmly attached, with the latching pawl at the top to counteract the weight of the plug and cable.

  3. Connect wiring

    Strip the cable sheath and individual wires according to the specified lengths. Insert the conductors into their respective terminals and tighten the terminal screws to the torque indicated in the installation manual.

  4. Verify connections

    Use a multimeter to verify that all connections are secure and that there are no short circuits. Ensure that the cable jacket extends into the handle for proper strain relief.

  5. Test operation

    Reconnect power and test the operation of the controller by connecting the plug to the receptacle. Ensure that the connection is secure and that the device operates as intended.

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.