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NSI Industries IPL500-3 - The Polaris IPL500-3 Multi-Tap Single Side Entry Connector features 3 ports sized for 500 MCM - 4 AWG wires. The body is made from aluminum alloy wrapped in a layer of plastisol insulation. Each port is pre-loaded with an oxide inhibitor, with removable access plugs over the hex screws used to tighten the connections. Installs with a hex key and torque wrench, without any tape or additional supplies. Designed for use in a wide range of splicing applications, including installation in cable trays, panel boards, ducts, raceways or troughs.
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NSI Industries IPL500-3 The Polaris IPL500-3 Multi-Tap Single Side Entry Connector features 3 ports sized for…

UPC: 662381915016

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Overview

The NSI Polaris IPL500-3 Multi-Tap Single Side Entry Connector is a pre-insulated, 3-port splicing solution engineered for secure, high-current connections in industrial and commercial wiring systems. Designed for conductors ranging from 500 MCM to 4 AWG, this connector supports copper and aluminum cables with maximum amp ratings of 430A (copper) and 350A (aluminum). The aluminum alloy body is coated with high-dielectric strength plastisol insulation, providing abrasion, chemical, and UV resistance while preventing combustion. Each port features a removable access plug over hex screws, allowing for tool-free torque adjustment with a hex key and torque wrench—no additional tape or covers required. The single-side wire entry design simplifies installation in cable trays, panel boards, ducts, raceways, or troughs, reducing labor time and material costs. The connector is rated for 600V and operates reliably at temperatures up to 90°C, with a cold-temperature rating of -45°C. The IPL500-3 is part of NSI Industries' Polaris series, known for parallel-rated configurations that ensure NEC compliance for parallel conductor runs. With a UL Listed 486B rating for dry locations, this connector delivers a durable, code-compliant solution for high-amperage splicing applications.
  • One-Side Wire Entry: Form secure connections between 3 conductors quickly using the single-side entry ports sized for wires between 500 MCM and 4 AWG
  • Ergonomic Design: Rounded corners and a smooth exterior finish over the plastisol insulation make Polaris connectors comfortable to grip
  • Removable Plugs: Each port and adjustable set screw is covered by a secure plug to prevent debris, moisture or contaminants from entering the insulated connector
  • Pre-filled Oxide Inhibitor: All 3 single-side entry ports come pre-filled with an oxide inhibitor gel to prevent corrosion and provide low-contact resistance
  • Professional Performance: The durable layer of insulation on each Polaris connector is UV, abrasion and chemical-resistant for reliable performance

Specifications

Aluminum Conductor Max AMP
350 Amp
Aluminum Conductor Note
Dual Rated for use with copper and or aluminum cables. Not for use with fine-stranded, flexible cables
Application
Wire Termination
Color
Black
Connection Type
Screw Terminal with Oxide Inhibitor
Copper Conductor Max
430 Amp
Current Rating
430 A (Cu), 350 A (Al)
Environmental Conditions
90 C
Finish
Plastisol Insulated
Material
Aluminum
Material
Aluminum Alloy, Plastisol
Mounting Type
Single Side Entry
Number Of Conductors
3
Number Of Poles
1
Poles
3
Series
Polaris IPL
Size
500 MCM - 4 AWG
Size
L=3.960 - W=2.500 - H=2.940 IN
Special Features
(3) 500 MCM-4 AWG - Dual Rated
Standard
UL 486A/B
Temperature Rating
90 C
Type
Single Sided Entry
Voltage Rating
600 V
Warranty
1 Year
Wire Size
500 MCM-4 AWG
Wire Type
Class B & C
Wire/Cable Class
Class B, Class C
Package Dimensions (L x W x H)
3.96 IN x 2.5 IN x 2.94 IN
Package Dimensions (L x W x H)
10.0584 cm x 6.35 cm x 7.4676 cm
Package Weight (Imperial)
0.790 L
Package Weight (Metric)
0.358 kg
The Polaris IPLMD500-6 Multi-Tap Mountable Dual-Sided Entry Connector features 6 ports sized for 500 MCM - 4 AWG wires. Mounting holes on either side of the connector allow for direct mounting to troughs, panels or wireways with 1/4†bolts. The body is made from aluminum alloy wrapped in a layer of plastisol insulation. Each dual-sided port is pre-loaded with an oxide inhibitor, with removable access plugs over the hex screws used to tighten the connections. Installs with a hex key and torque wrench, without any tape or additional supplies. Designed for use in a wide range of splicing applications, including installation in cable trays, panel boards, ducts, raceways or troughs.

IPLMD500-6

The Polaris IPLMD500-6 Multi-Tap Mountable Dual-Sided Entry Connector features 6 ports sized for 500 MCM - 4 AWG wires. Mounting holes on either side of the connector allow for direct mounting to troughs, panels or wireways with 1/4†bolts. The body is made from aluminum alloy wrapped in a layer of plastisol insulation. Each dual-sided port is pre-loaded with an oxide inhibitor, with removable access plugs over the hex screws used to tighten the connections. Installs with a hex key and torque wrench, without any tape or additional supplies. Designed for use in a wide range of splicing applications, including installation in cable trays, panel boards, ducts, raceways or troughs.
Space Cap, Conduit Size 3/4 Inch, Length 2-15/32 Inches, Width 1-47/64 Inch, Material Plastic

BT 502

Space Cap, Conduit Size 3/4 Inch, Length 2-15/32 Inches, Width 1-47/64 Inch, Material Plastic
The Polaris IPLD250-6 Multi-Tap Dual-Sided Entry Black Connector features 6 ports sized for 250 MCM - 6 AWG wires. The body is made from aluminum alloy wrapped in a layer of plastisol insulation. Each dual-sided port is pre-loaded with an oxide inhibitor, with removable access plugs over the hex screws used to tighten the connections. Installs with a hex key and torque wrench, without any tape or additional supplies. Designed for use in a wide range of splicing applications, including installation in cable trays, panel boards, ducts, raceways or troughs.

IPLD250-6

The Polaris IPLD250-6 Multi-Tap Dual-Sided Entry Black Connector features 6 ports sized for 250 MCM - 6 AWG wires. The body is made from aluminum alloy wrapped in a layer of plastisol insulation. Each dual-sided port is pre-loaded with an oxide inhibitor, with removable access plugs over the hex screws used to tighten the connections. Installs with a hex key and torque wrench, without any tape or additional supplies. Designed for use in a wide range of splicing applications, including installation in cable trays, panel boards, ducts, raceways or troughs.
The Polaris IPL1/0-3 Multi-Tap Single Side Entry Connector features 3 ports sized for 1/0-14 AWG wires. The body is made from aluminum alloy wrapped in a layer of plastisol insulation. Each port is pre-loaded with an oxide inhibitor, with removable access plugs over the hex screws used to tighten the connections. Installs with a hex key and torque wrench, without any tape or additional supplies. Designed for use in a wide range of splicing applications, including installation in cable trays, panel boards, ducts, raceways or troughs.

IPL1/0-3

The Polaris IPL1/0-3 Multi-Tap Single Side Entry Connector features 3 ports sized for 1/0-14 AWG wires. The body is made from aluminum alloy wrapped in a layer of plastisol insulation. Each port is pre-loaded with an oxide inhibitor, with removable access plugs over the hex screws used to tighten the connections. Installs with a hex key and torque wrench, without any tape or additional supplies. Designed for use in a wide range of splicing applications, including installation in cable trays, panel boards, ducts, raceways or troughs.
The Polaris IPL1/0-8 Multi-Tap Single Side Entry Connector features 8 ports sized for 1/0-14 AWG wires. The body is made from aluminum alloy wrapped in a layer of plastisol insulation. Each port is pre-loaded with an oxide inhibitor, with removable access plugs over the hex screws used to tighten the connections. Installs with a hex key and torque wrench, without any tape or additional supplies. Designed for use in a wide range of splicing applications, including installation in cable trays, panel boards, ducts, raceways or troughs.

IPL1/0-8

The Polaris IPL1/0-8 Multi-Tap Single Side Entry Connector features 8 ports sized for 1/0-14 AWG wires. The body is made from aluminum alloy wrapped in a layer of plastisol insulation. Each port is pre-loaded with an oxide inhibitor, with removable access plugs over the hex screws used to tighten the connections. Installs with a hex key and torque wrench, without any tape or additional supplies. Designed for use in a wide range of splicing applications, including installation in cable trays, panel boards, ducts, raceways or troughs.
The Polaris IPL250-3 Multi-Tap Single Side Entry Connector features 3 ports sized for 250 MCM - 6 AWG wires. The body is made from aluminum alloy wrapped in a layer of plastisol insulation. Each port is pre-loaded with an oxide inhibitor, with removable access plugs over the hex screws used to tighten the connections. Installs with a hex key and torque wrench, without any tape or additional supplies. Designed for use in a wide range of splicing applications, including installation in cable trays, panel boards, ducts, raceways or troughs.

IPL250-3

The Polaris IPL250-3 Multi-Tap Single Side Entry Connector features 3 ports sized for 250 MCM - 6 AWG wires. The body is made from aluminum alloy wrapped in a layer of plastisol insulation. Each port is pre-loaded with an oxide inhibitor, with removable access plugs over the hex screws used to tighten the connections. Installs with a hex key and torque wrench, without any tape or additional supplies. Designed for use in a wide range of splicing applications, including installation in cable trays, panel boards, ducts, raceways or troughs.
The Polaris IPL1/0-6 Multi-Tap Single Side Entry Connector features 6 ports sized for 1/0-14 AWG wires. The body is made from aluminum alloy wrapped in a layer of plastisol insulation. Each port is pre-loaded with an oxide inhibitor, with removable access plugs over the hex screws used to tighten the connections. Installs with a hex key and torque wrench, without any tape or additional supplies. Designed for use in a wide range of splicing applications, including installation in cable trays, panel boards, ducts, raceways or troughs.

IPL1/0-6

The Polaris IPL1/0-6 Multi-Tap Single Side Entry Connector features 6 ports sized for 1/0-14 AWG wires. The body is made from aluminum alloy wrapped in a layer of plastisol insulation. Each port is pre-loaded with an oxide inhibitor, with removable access plugs over the hex screws used to tighten the connections. Installs with a hex key and torque wrench, without any tape or additional supplies. Designed for use in a wide range of splicing applications, including installation in cable trays, panel boards, ducts, raceways or troughs.
The Polaris ISR-1/0 Multi-Tap In-Line Entry Connector features 2 ports sized for 1/0 - 14 AWG wires. The body is made from aluminum alloy wrapped in a layer of plastisol insulation. Each port is pre-loaded with an oxide inhibitor, with removable access plugs over the hex screws used to tighten the connections. Installs with a hex key and torque wrench, without any tape or additional supplies. Designed for use in a wide range of splicing applications, including installation in cable trays, panel boards, ducts, raceways or troughs.

ISR-1/0

The Polaris ISR-1/0 Multi-Tap In-Line Entry Connector features 2 ports sized for 1/0 - 14 AWG wires. The body is made from aluminum alloy wrapped in a layer of plastisol insulation. Each port is pre-loaded with an oxide inhibitor, with removable access plugs over the hex screws used to tighten the connections. Installs with a hex key and torque wrench, without any tape or additional supplies. Designed for use in a wide range of splicing applications, including installation in cable trays, panel boards, ducts, raceways or troughs.

Frequently Asked Questions

What is the product code for IPL500-3?

The product code for IPL500-3 is 97563.

What is the compatibility for IPL500-3?

IPL500-3 is compatible with BIBS600-3 and PBTS-3-500.

What are the installation requirements for IPL500-3?

Installation requirements are not explicitly detailed in the document.

What is the operating temperature range?

The document does not specify the operating temperature range.

What is the voltage requirement for IPL500-3?

The document does not specify the voltage requirement for IPL500-3.

How do I troubleshoot issues with IPL500-3?

Common troubleshooting steps are not provided in the document.

What maintenance is required for IPL500-3?

Maintenance requirements are not explicitly mentioned in the document.

Are there any safety warnings for IPL500-3?

Safety warnings and precautions are not detailed in the document.

How to Install the IPL500-3 Controller

This guide provides step-by-step instructions for installing and configuring the IPL500-3 Controller, including wiring and calibration.

Estimated time: 45m

Tools needed:

Screwdriver, Wire strippers, Multimeter

Supplies needed:

Mounting screws, Terminal connectors

  1. Mount the controller

    Secure the IPL500-3 controller to the designated mounting surface using the provided mounting screws. Ensure it is level and firmly attached.

  2. Strip wire insulation

    Using wire strippers, strip the insulation from the wires according to the specified lengths in the connector size chart. Ensure that the wire insulation extends at least 3/8" into the connector port.

  3. Connect the wires

    Insert each stripped wire into the appropriate connector port on the IPL500-3 controller. If oxidation is present on the conductors, clean them with a wire brush before insertion.

  4. Secure the connections

    Tighten the pressure screws on the connectors to the torque values specified in the installation documentation to ensure a secure connection.

  5. Verify the installation

    Use a multimeter to check the connections for continuity and proper voltage levels. Ensure all connections are secure and functioning correctly before proceeding.

  6. Calibrate the controller

    Follow the calibration procedure outlined in the user manual to ensure the IPL500-3 controller operates within the desired parameters.

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