ABB - Installation Products 755L2 - 600 Amp, 35kV, 600 Series Deadbreak 2-Way L-Kit. Does not include cable adapters or compression lugs, must be ordered separately.
ABB - Installation Products

755L2

UPC: 783786555901


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Overview

The ABB 755L2 600 Series Deadbreak 2-Way L-Kit is a high-capacity, medium-voltage connector designed for reliable power distribution in utility and industrial applications. Rated for 600 Amps and 35kV, this deadbreak connector kit provides a secure, maintenance-free junction for branching or extending medium-voltage circuits. The 2-way configuration enables efficient power distribution while maintaining system integrity in demanding environments. This L-Kit is part of ABB's 600 Series, a trusted line of deadbreak connectors known for their durability and performance in harsh conditions. The 755L2 is engineered for use in medium-voltage systems where reliable, high-amperage connections are critical. It is compatible with a wide range of cable sizes and types, making it a versatile solution for power utilities, substations, and industrial facilities. Note that the 755L2 does not include cable adapters or compression lugs, which must be ordered separately to complete the installation. The kit is designed for deadbreak applications, allowing connections to be made or broken under load without de-energizing the system, enhancing operational flexibility and safety. With a robust construction and ABB's reputation for quality, the 755L2 is a dependable choice for medium-voltage power distribution systems requiring high reliability and long-term performance.
  • Rated for 600 Amps and 35kV for medium-voltage applications
  • 2-way deadbreak configuration for branching or extending circuits
  • Part of ABB's 600 Series, designed for durability in harsh environments
  • Allows connections under load (deadbreak) for operational flexibility
  • Requires separate purchase of cable adapters and compression lugs

Specifications

Amperage Rating
600 A
Application
Used to connect two cable ends and using the two insulating plugs as test points allows for capacitive voltage testing
Color
Black
Environmental Conditions
Fully Submersible
Insulation
True
Material
Housing - EPDM-Rubber
Special Features
No Seal
Standard
ANSI/IEEE Standard 386
Temperature Rating, Maximum
149 F
Temperature Rating, Maximum
65 C
Temperature Rating, Minimum
-40 F
Temperature Rating, Minimum
-40 C
Type
Deadbreak 2-Way L Kit
Voltage Rating
35 kV
Width
25.38 in
Package Dimensions (L x W x H)
0.01 IN x 0.01 IN x 0.01 IN
Package Dimensions (L x W x H)
0.0254 cm x 0.0254 cm x 0.0254 cm
Package Weight (Imperial)
1.0000 L
Package Weight (Metric)
0.4540 kg
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Frequently Asked Questions

What is required for a 900A 2 Way L-Kit?

For a 900A kit, it is mandatory to have all components, including cable, connector, and bushing, made of copper.

What are the main applications of this kit?

The kit connects two cable ends and allows for capacitive voltage testing using the two insulating plugs as test points.

What is the maximum operating voltage?

The maximum phase-to-ground operating voltage for the 35kV class is 21.1kV.

What is the continuous current rating?

The continuous current rating for this product is 600 Amp.

What standards does this product meet?

This product meets ANSI/IEEE Standard 386, Latest Revision.

What is the impulse withstand rating?

The impulse withstand rating (BIL) is 150kV (1.2 x 50 microsecond wave).

What are the key features of the housing?

The kit features a fully shielded, fully submersible molded rubber housing with 100% peroxide-cured construction.

How is the kit connected or disconnected?

It can be easily connected or disconnected using standard hand tools and equipment when in a de-energized state.

What components are included in the kit?

The kit includes two elbow connectors, two basic insulating plugs, two cable adapters, two compression lugs, and one connecting plug.

Are there optional accessories available?

Yes, optional accessories allow for visible external separation, by-pass, isolation, dead-ending, grounding, and testing.

How to Install 755/775LR Deadbreak Elbow Connectors

Install 755/775LR Deadbreak Elbow Connectors to provide fully shielded, submersible deadfront cable connections for 600-ampere or 900-ampere, 35kV class systems.

Estimated time: 1h 30m

Tools needed:

Crimping tool, Wire brush, Hotstick, Voltage sensing device (for capacitive test points), Wire strippers, Screwdriver, Torque wrench

Supplies needed:

755/775LR Deadbreak Elbow Connector Kit, Lubricant (silicone type), No. 14 AWG Copper wire (or equivalent) for grounding, Grounding connector, Tape marker, HV insulated caps (if not connecting to another part), Grounding device (if applicable), Vinyl tape (if applicable for cable shield), Waterproofing material (for cable jacket)

  1. De-energize and Position Cable

    DANGER: Ensure all apparatus is de-energized before beginning installation. Position the cable in its final assembled location, allowing enough slack for elbow removal. For concentric neutral cable, unwind the neutral wires. Cut the cable 1-3/4 inches (45mm) from the centerline of the mating product.

  2. Clean and Prepare Cable

    Clean the outer jacket of the cable for a distance of 24 inches (610mm). Prepare the cable according to its type (e.g., Unishield, Lead Sheath, Jacketed, or Non-Jacketed) and the provided diagrams, removing the outer jacket and semi-con shield as required. Refer to specific instructions for grounding devices or shield adapters if used.

  3. Install Cable Adapter

    Bevel the end of the cable insulation at a 45-degree angle, approximately 1/4 inch (6mm) back. Thoroughly clean and lubricate the cable insulation, working towards the semi-con shield. Install the cable adapter, small end first, until it is flush with the edge of the tape marker.

  4. Prepare Conductor and Crimp Lug

    Remove protruding cable insulation, cutting it even with the cable adapter end without nicking the adapter or conductor. Verify the exposed conductor length is 4-3/8 to 4-3/4 inches (111-121mm). For copper, fully insert the conductor into the compression lug. For aluminum, wire brush the conductor and immediately insert it. Measure the 'Check Dimension' (must be less than 7 inches/178mm) before crimping. Crimp the lug per its instructions, then wipe off excess inhibitor. Verify the lug-to-adapter distance is 6-7/8 to 7-5/8 inches (175-194mm).

  5. Install Elbow onto Cable Adapter

    Lubricate the cable adapter and the inside of the elbow's cable entrance. Install the elbow onto the cable adapter until it cannot advance further. Ensure the cable adapter remains flush with the tape marker; reposition if necessary. Remove the tape marker.

  6. Connect Elbow to Mating Part

    WARNING: Do not connect or disconnect mating products while energized, and do not energize while disconnected. Remove protective caps from the elbow and mating part. If the mating part lacks a stud, hand tighten the threaded stud supplied with the elbow into it. Clean and lubricate both the elbow and the mating part. Push the elbow onto the mating part, aligning the compression lug hole with the stud.

  7. Complete Mating Connections (if applicable)

    If connecting to another mating part, clean and lubricate its surface. Insert the mating part into the elbow, engage threads, and hand tighten. CAUTION: For 600-amp L-Kits, torque each component to the specified value per plug connector instructions. If using an insulating plug, clean and lubricate its voltage detection cap's inner surface, then push it onto the elbow until it snaps into place.

  8. Ground the Cable Shield

    Insert one end of a No. 14 AWG Copper wire (or equivalent) through the grounding eye, twisting to form a small loop without damaging the eye. Connect this wire to ground using a suitable connector. The cable shield must be grounded; follow instructions for a grounding device or use an alternate method. Waterproof the cable jacket to prevent moisture ingress.

  9. Perform Voltage Test

    Remove the test point cap with a hotstick, peeling it off at an angle. WARNING: The voltage test point is a capacitance device, not directly connected to the conductor. Do not use conventional voltage measuring equipment. Use a suitable sensing device designed for capacitive test points to determine if the cable is energized. Treat the elbow as energized until the 'no voltage' indication is confirmed by other means to prevent serious injury. After testing, clean and lubricate the cap's inner surface with silicone lubricant and replace it.

Frequently Asked Questions about ABB - Installation Products

How are Thomas and Betts products typically installed?

Thomas and Betts products are installed using a variety of methods tailored to specific applications, including the use of flexible cords and cable fittings, non-metallic cable glands, and armored cable fittings. Proper selection of fittings is crucial to match the cable type and installation environment, ensuring durability and preventing physical damage. Tools such as the Blackburn® Comfort Crimp® and HEX-FLEX® systems enhance installation efficiency and reliability, reducing labor time and ensuring secure connections.

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Thomas and Betts offers a comprehensive range of accessories for their products, including various cord and cable fittings, non-metallic cable glands, service entrance cable fittings, and armored cable fittings. Their accessories are designed to enhance installation efficiency and ensure compatibility with different cable types and environmental conditions, providing reliable connections for a wide array of applications.

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What are the main product lines offered by Ocal?

Ocal offers a comprehensive range of corrosion-resistant conduit systems, including PVC-coated conduit and fittings, conduit bodies, hazardous location fittings, and strut accessories. Their products are designed to provide superior corrosion protection, featuring a hot-dipped galvanizing process and UL listed Type 4X PVC-coated conduit bodies, ensuring durability in the most demanding environments.