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NSI Industries PT250 - Stranded Bi-Metallic Pin Terminal 250 MCM Stranded Bi-Metallic Pin Terminals is designed to facilitate termination of aluminum conductors. Tin-plated stranded copper pin. Connector bores are coated with oxide inhibitor. Supplied with EPDM insulating cover. UL 486B listed. Rated 600 volts.
NSI Industries

PT250

UPC: 662381033086

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Overview

The NSI Industries PT250 is a 250 MCM stranded bi-metallic pin terminal engineered for reliable termination of aluminum conductors. This terminal features a tin-plated stranded copper pin, ensuring excellent conductivity and corrosion resistance. The connector bores are pre-coated with an oxide inhibitor to prevent oxidation and maintain low contact resistance over time, crucial for long-term performance in electrical systems. Supplied with a durable EPDM insulating cover, the PT250 offers enhanced safety and ease of installation. This terminal is UL 486B listed, meeting stringent industry safety standards, and is rated for a maximum of 600 volts, making it suitable for a wide range of industrial and commercial power applications. The bi-metallic construction is specifically designed to bridge the gap between aluminum and copper conductors, preventing galvanic corrosion and ensuring a secure, lasting connection. Key Specifications: * **SKU:** PT250 * **Manufacturer:** NSI Industries * **Wire Range:** 250 MCM Stranded * **Pin Material:** Tin-plated stranded copper * **Connector Bore Treatment:** Coated with oxide inhibitor * **Insulating Cover:** EPDM * **Listing:** UL 486B Listed * **Voltage Rating:** 600 Volts Maximum Dimensions (from catalog data for PT250): * **Pin Diameter (A):** 0.653 inches * **Overall Length (L):** 3.858 inches * **Pin Length (L1):** 1.551 inches * **Body Length (L2):** 2.300 inches * **Outer Diameter (OD):** 1.160 inches * **Inner Diameter (ID):** 0.440 inches The PT250 is an essential component for electrical contractors and maintenance professionals requiring robust and compliant termination solutions for aluminum conductors. Its design prioritizes electrical integrity and safety, supported by UL listing and high-quality materials. The inclusion of an oxide inhibitor and an EPDM cover simplifies installation and ensures a protected connection, minimizing the need for future maintenance.
  • Designed for termination of aluminum conductors
  • Tin-plated stranded copper pin for conductivity
  • Connector bores coated with oxide inhibitor
  • Supplied with EPDM insulating cover
  • UL 486B listed and rated 600 volts

Specifications

Application
Terminate, Splice, Tap Power Connectors
Color
Brown
Conductor Range
250 MCM (STR)
Connection
3/0 Pin
Environmental Conditions
90 C
Finish
Aluminum
Insulation
Plastisol Cover
Material
Aluminum - Tin Plated Copper Pin
Number of Conductors
1
Number Of Poles
1
Size
L=3.85 - OD=1.16 - ID=.653 - Pin Dia=.440
Special Features
250 MCM (STR) - 3/0 CU Pin Size
Standard
UL486A/B
Temperature Rating
90 C
Type
Bi-Metallic Pin
Voltage Rating
600 V
Warranty
1 Year
Package Dimensions (L x W x H)
3.858 IN x 1.16 IN x 1.16 IN
Package Dimensions (L x W x H)
9.7993 cm x 2.9464 cm x 2.9464 cm
Package Weight (Imperial)
4.000 L
Package Weight (Metric)
1.814 kg
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PTS250

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Stranded Bi-Metallic Pin Terminal 4/0 AWG Stranded Bi-Metallic Pin Terminals is designed to facilitate termination of aluminum conductors. Tin-plated stranded copper pin. Connector bores are coated with oxide inhibitor. Supplied with EPDM insulating cover. UL 486B listed. Rated 600 volts.

PT4/0

Stranded Bi-Metallic Pin Terminal 4/0 AWG Stranded Bi-Metallic Pin Terminals is designed to facilitate termination of aluminum conductors. Tin-plated stranded copper pin. Connector bores are coated with oxide inhibitor. Supplied with EPDM insulating cover. UL 486B listed. Rated 600 volts.
Solid Pin Terminal for Copper and Aluminum Conductors 6 AWG All-aluminum Pin Terminals is designed for termination of both aluminum and copper conductors. The solid pin is made of aluminum and is tin-plated and pre-filled with oxide inhibitor. A cover is provided for quick installation. Rated 600 Volts.

PTS6

Solid Pin Terminal for Copper and Aluminum Conductors 6 AWG All-aluminum Pin Terminals is designed for termination of both aluminum and copper conductors. The solid pin is made of aluminum and is tin-plated and pre-filled with oxide inhibitor. A cover is provided for quick installation. Rated 600 Volts.
1 Hole Long Barrel Copper Compression Lug 1 AWG - 3/8" Bolt Long Barrel Copper Compression Lugs are produced from high conductivity copper tubing. They are tin-plated to provide corrosion low contact resistance. Marked with die index and color coded for easy reference. Listed for 35KV maximum when properly installed and to cable manufacturer instructions. Temperature rating 90 degrees C. .

L138

1 Hole Long Barrel Copper Compression Lug 1 AWG - 3/8" Bolt Long Barrel Copper Compression Lugs are produced from high conductivity copper tubing. They are tin-plated to provide corrosion low contact resistance. Marked with die index and color coded for easy reference. Listed for 35KV maximum when properly installed and to cable manufacturer instructions. Temperature rating 90 degrees C. .
Stranded Bi-Metallic Pin Terminal 1/0 AWG Stranded Bi-Metallic Pin Terminals is designed to facilitate termination of aluminum conductors. Tin-plated stranded copper pin. Connector bores are coated with oxide inhibitor. Supplied with EPDM insulating cover. UL 486B listed. Rated 600 volts.

PT1/0

Stranded Bi-Metallic Pin Terminal 1/0 AWG Stranded Bi-Metallic Pin Terminals is designed to facilitate termination of aluminum conductors. Tin-plated stranded copper pin. Connector bores are coated with oxide inhibitor. Supplied with EPDM insulating cover. UL 486B listed. Rated 600 volts.
1 Hole Long Barrel Copper Compression Lug 4/0 AWG - 3/8" Bolt Long Barrel Copper Compression Lugs are produced from high conductivity copper tubing. They are tin-plated to provide corrosion low contact resistance. Marked with die index and color coded for easy reference. Listed for 35KV maximum when properly installed and to cable manufacturer instructions. Temperature rating 90 degrees C. .

L4038

1 Hole Long Barrel Copper Compression Lug 4/0 AWG - 3/8" Bolt Long Barrel Copper Compression Lugs are produced from high conductivity copper tubing. They are tin-plated to provide corrosion low contact resistance. Marked with die index and color coded for easy reference. Listed for 35KV maximum when properly installed and to cable manufacturer instructions. Temperature rating 90 degrees C. .

How to Install the PT250 Pin Terminal

This guide provides step-by-step instructions for installing and configuring the PT250 pin terminal, ensuring proper wiring and setup.

Estimated time: 45m

Tools needed:

Screwdriver, Wire strippers, Multimeter

Supplies needed:

Mounting screws, Terminal connectors

  1. Prepare the conductor

    Carefully strip the insulation from the conductor to a length specified in the installation table, ensuring not to nick the strands.

  2. Clean the conductor

    Wire brush the stripped portion of the conductor to remove any oxide films, ensuring it is clean before insertion into the connector.

  3. Connect the terminal

    Insert the cleaned conductor completely into the barrel of the lug or splice connector and crimp according to the specified crimping instructions.

  4. Mount the terminal

    Securely mount the PT250 pin terminal to the designated location using the provided mounting screws, ensuring it is level and stable.

  5. Verify connections

    Use a multimeter to verify that all connections are secure and functioning correctly before powering on the system.

Frequently Asked Questions about NSI Industries

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Tork products are designed to meet various environmental ratings, including NEMA Type 4X and Type 6, which provide protection against corrosion, windblown dust, rain, and occasional temporary submersion. These ratings ensure that Tork products can withstand harsh industrial environments while maintaining operational integrity.

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Tork offers a comprehensive range of technical support services, including 24/7 customer support, on-site service management, and a technical hotline network. With three advanced technical support centers and over 8,000 hours of technical training conducted annually, Tork ensures certified expertise across 25+ languages to assist customers effectively. Their commitment to service is reflected in a 98% Service Level Agreement compliance rate, providing reliable support for all operational needs.

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