NSI Industries SC-750 - StandardBarrel TinnedCopperSplice750MCM Standard Barrel Tinned CopperSplices is a type of copper compression connector that is produced from high conductivity copper tubing. They are tin-plated to provide corrosion resistance and are marked with die index and color coded for easy reference. Listed for 35KV maximum when properly installed.
NSI Industries

SC-750

UPC: 662381037169


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Overview

The NSI Industries SC-750 is a high-conductivity tinned copper compression splice designed for 750 MCM copper cables. This standard barrel splice, SKU SC-750, is manufactured from premium copper tubing and features a tin plating for superior corrosion resistance. Engineered for reliability, it is marked with a clear die index and color-coded (Black) for straightforward identification and installation. The SC-750 boasts a temperature rating of 90 °C and a maximum voltage rating of 600V, with suitability for up to 35KV when installed according to manufacturer voltage stress relief instructions. Its short barrel design ensures efficient crimping, and the flared openings facilitate easy cable insertion, particularly for flexible and extra-flexible cables such as locomotive, welding, and mining cable. A positive center stop prevents over-insertion of conductors. This connector is UL486A Listed and cULus Listed (155027). The barrel has an inner diameter (I.D.) of 1.031 inches and an outer diameter (O.D.) of 1.311 inches, with a length (L) of 3.201 inches. It is suitable for ASTM Class H and Class M copper conductors, as well as Diesel Locomotive (DLO) and Welding cable types. The standard carton quantity is 3. Ensure proper installation using the recommended NSI tools and dies for optimal performance and safety. Consult the NEC for specific ampacity ratings based on insulation type and conductor material.
  • High-conductivity tinned copper construction for superior conductivity and corrosion resistance.
  • Designed for 750 MCM copper cables with a standard barrel.
  • UL486A Listed and cULus Listed (155027) for reliable performance.
  • Rated for 90°C and 600V, suitable for up to 35KV with proper installation.
  • Color-coded (Black) and marked with die index for easy identification and installation.

Specifications

Application
Terminate, Splice, Tap Power Connectors
Color
Black
Conductor Range
750 MCM (STR)
Connection Type
Compression
Environmental Conditions
90 C
Finish
Tin Plated
Material
Copper
Material
Tinned Copper
Number Of Conductors
2
Number Of Poles
1
Size
L=3.20 - OD=1.31 - ID=1.03
Size
750 MCM
Special Features
750 MCM (STR) - CU Splice
Standard
UL486A/B
Temperature Rating
90 C
Type
Short Barrel - CU Splice
Voltage Rating
35 kV
Voltage Rating
600 V
Warranty
1 Year
Package Dimensions (L x W x H)
3.201 IN x 1.311 IN x 1.311 IN
Package Dimensions (L x W x H)
8.1305 cm x 3.3299 cm x 3.3299 cm
Package Weight (Imperial)
1.680 L
Package Weight (Metric)
0.762 kg
Long Barrel TinnedCopperSplice750 MCM Long Barrel Tinned CopperSplices is a type of copper compression connector that is produced from high conductivity copper tubing. They are tin-plated to provide corrosion resistance and are marked with die index and color coded for easy reference. Listed for 35KV maximum when properly installed.

C-750

Long Barrel TinnedCopperSplice750 MCM Long Barrel Tinned CopperSplices is a type of copper compression connector that is produced from high conductivity copper tubing. They are tin-plated to provide corrosion resistance and are marked with die index and color coded for easy reference. Listed for 35KV maximum when properly installed.
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Cast-Copper Two-Way Reducing Splice for 10 Str Wire to 1/0 Str, Die Code 45, Die Color Code Black
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StandardBarrel TinnedCopperSplice350 MCM Standard Barrel Tinned CopperSplices is a type of copper compression connector that is produced from high conductivity copper tubing. They are tin-plated to provide corrosion resistance and are marked with die index and color coded for easy reference. Listed for 35KV maximum when properly installed.

SC-350

StandardBarrel TinnedCopperSplice350 MCM Standard Barrel Tinned CopperSplices is a type of copper compression connector that is produced from high conductivity copper tubing. They are tin-plated to provide corrosion resistance and are marked with die index and color coded for easy reference. Listed for 35KV maximum when properly installed.
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SL500N

2Hole Long Barrel Copper StackedCompression Lug500MCM-1/2" Bolt Long Barrel Copper Stacked Compression Lugs is a type of copper compression connector that is produced from high conductivity copper tubing.They are designed for usewith the L-NSeries. They are tin-plated to provide corrosion resistance and are marked with die index and color coded for easy reference.
StandardBarrel TinnedCopperSplice400MCM Standard Barrel Tinned CopperSplices is a type of copper compression connector that is produced from high conductivity copper tubing. They are tin-plated to provide corrosion resistance and are marked with die index and color coded for easy reference. Listed for 35KV maximum when properly installed.

SC-400

StandardBarrel TinnedCopperSplice400MCM Standard Barrel Tinned CopperSplices is a type of copper compression connector that is produced from high conductivity copper tubing. They are tin-plated to provide corrosion resistance and are marked with die index and color coded for easy reference. Listed for 35KV maximum when properly installed.
1 Hole Short Barrel Copper Compression Lug for Flexible Copper Cable2/0AWG - 3/8" Bolt Compression lugs for flexible copper cables are connects that have a gentle, continuous flared end to ensure ease of cable insertion of flexible and extra flexible cables such as locomotive, welding, mining cable and more. The flared end also reduces pressure on the cable strands after installation and protects them from chafing and breakage as a result of cable movement. Tin-plated for corrosion resistance. Rated 600 volts for copper cables only. Single mounting hole.

GL2038B

1 Hole Short Barrel Copper Compression Lug for Flexible Copper Cable2/0AWG - 3/8" Bolt Compression lugs for flexible copper cables are connects that have a gentle, continuous flared end to ensure ease of cable insertion of flexible and extra flexible cables such as locomotive, welding, mining cable and more. The flared end also reduces pressure on the cable strands after installation and protects them from chafing and breakage as a result of cable movement. Tin-plated for corrosion resistance. Rated 600 volts for copper cables only. Single mounting hole.
StandardBarrel TinnedCopperSplice300 MCM Standard Barrel Tinned CopperSplices is a type of copper compression connector that is produced from high conductivity copper tubing. They are tin-plated to provide corrosion resistance and are marked with die index and color coded for easy reference. Listed for 35KV maximum when properly installed.

SC-300

StandardBarrel TinnedCopperSplice300 MCM Standard Barrel Tinned CopperSplices is a type of copper compression connector that is produced from high conductivity copper tubing. They are tin-plated to provide corrosion resistance and are marked with die index and color coded for easy reference. Listed for 35KV maximum when properly installed.

How to Install the SC-750 Copper Compression Connectors

This guide provides step-by-step instructions for installing SC-750 copper compression connectors, ensuring secure and reliable electrical connections.

Estimated time: 30m

Tools needed:

Wire strippers, Crimping tool, Multimeter

Supplies needed:

Copper compression connectors, Wire brush, Insulation tape

  1. Strip the wire insulation

    Carefully strip the insulation from the conductor to a length that allows the stripped conductor to fill the barrel of the connector completely. Avoid nicking the strands.

  2. Clean the conductor

    Use a wire brush to clean the stripped portion of the conductor, removing any oxide films to ensure a good electrical connection.

  3. Insert the conductor into the connector

    Insert the cleaned and stripped conductor completely into the barrel of the connector. Ensure that it fills the barrel fully.

  4. Crimp the connector

    Using the appropriate crimping tool, crimp the connector at the designated crimp locations marked on the barrel. Ensure a secure connection.

  5. Verify the connection

    Use a multimeter to check the continuity of the connection. Ensure that there are no breaks in the circuit and that the resistance is within acceptable limits.

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