ABB - Installation Products 750LB - 35kV 600 Series Deadbreak Insulating Plug / Stand-Off Plug. Overall Length 5 inch, Widest Diameter 3 inch. Epoxy Housing.
ABB - Installation Products

750LB

UPC: 783786488612


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Overview

The ABB 750LB 35kV 600 Series Deadbreak Insulating Plug/Stand-Off Plug is a high-voltage accessory designed for safe and reliable electrical insulation in medium-voltage applications. With a rated voltage of 35kV and a compact design measuring 5 inches in overall length and 3 inches in widest diameter, this plug is ideal for installations where space is constrained but performance cannot be compromised. The epoxy housing provides superior dielectric strength and environmental resistance, ensuring long-term durability in harsh operating conditions. Compatible with standard 600 Series connectors, the 750LB is commonly used in utility, industrial, and commercial power distribution systems to terminate and insulate medium-voltage cables securely. Its deadbreak design allows for safe connection and disconnection under load, reducing downtime during maintenance. The plug’s robust construction and adherence to industry standards make it a dependable choice for engineers and technicians requiring a high-quality insulating solution.
  • Rated for 35kV applications with deadbreak functionality
  • Compact 5" length and 3" diameter epoxy housing
  • Compatible with 600 Series connectors
  • Safe connection/disconnection under load
  • High dielectric strength for harsh environments

Specifications

Application
Designed to provide a threaded mountable plug for use in cam-op cable joint kits. The 750LB is threaded onto the hardware aligning bracket and the retaining sleeves are threaded into bushing
Material
EPDM-Rubber
Size
3.00 inch (76.2 mm) Diameter, 5.00 inch (127.0 mm) Length
Special Features
Fully rated 35kV, 600 Amp Deadbreak Insulated Plug. 100 percent peroxide-cured construction includes insulation and conductive EPDM materials. Can be easily connected or disconnected using standard hand tools and equipment in a de-energized state. Optional accessories allow visible external separation, by-pass, isolation, dead-ending, grounding, and testing as well as adding taps, surge arrestors, and circuit protection
Standard
ANSI/IEEE Standard 386
Type
Insulating Plug
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)
1.6500 L
Package Weight (Metric)
0.7480 kg
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Frequently Asked Questions

What is the operating voltage of the 750LB plug?

The 750LB is rated for 35kV applications.

What is the overall length of the 750LB plug?

The overall length of the 750LB plug is 5 inches.

What is the widest diameter of the 750LB plug?

The widest diameter of the 750LB plug is 3 inches.

What material is the housing of the 750LB plug made from?

The housing of the 750LB plug is made from epoxy.

Is the 750LB plug compatible with other 600 Series connectors?

Yes, the 750LB plug is compatible with standard 600 Series connectors.

How to Install the LINK-C Deadbreak Cam Link Operable Connector System

A comprehensive guide for installing the 600 amp LINK-C Deadbreak Cam Link Operable Connector System, providing a fully shielded and submersible connection between cable and apparatus. Ensure all apparatus are de-energized before starting.

Estimated time: 2h

Tools needed:

Hot stick, Torque wrench, 1 inch hex socket, Welding equipment, Wire strippers, Suitable tool for 1 inch hex portion (e.g., 600ATM Operating Tool)

Supplies needed:

600 amp elbow, Stand-off plug, 3/8-16 x 2 inch long studs, Hex nuts, Lockwashers, Spacers (optional), ELASTIMOLD supplied lubricant, 600 amp bushing extender, Alignment bracket, Bushing extender clamp, Elbow clamp, Hardware for clamps, LINK connector, #14 AWG or #12 AWG solid copper wire, Appropriate grounding connector, Desired 200 amp mating product (e.g., insulated cap, loadbreak elbow, surge arrester)

  1. Prepare Cable and Install 600 Amp Elbow

    DANGER: All apparatus must be de-energized during installation. This product should be installed only by competent personnel trained in good safety practices involving high voltage electrical equipment. Install the 600 amp elbow onto the cable according to its specific installation instructions. Ensure it will align correctly with the stand-off plug.

  2. Install Mounted Stand-Off Plug (If Applicable)

    Weld three 3/8-16 x 2 inch studs to the faceplate per customer standards. Install three hex nuts onto the studs to support the stand-off plug, ensuring it aligns with the bushing. Position the stand-off plug over the studs, resting on the nuts or spacers. Secure with lockwashers and hex nuts, tightening to 12 foot-lbs torque. Verify the top surfaces of the bushing and stand-off plug are in-line.

  3. Install Bushing Extender onto Apparatus Bushing

    Clean and thoroughly lubricate the apparatus bushing and both interfaces of the 600 amp bushing extender with ELASTIMOLD lubricant. Install the bushing extender onto the apparatus bushing. Insert the 600ATM tool into the retainer contact, engage the internal hex broach, and thread the retainer contact into the apparatus bushing. Torque to 50-60 ft-lbs using a suitable tool on the 1 inch hex portion of the 600ATM.

  4. Install 600 Amp Elbow onto Epoxy Stand-Off Plug

    Clean and thoroughly lubricate the epoxy stand-off plug and both interfaces of the 600 amp elbow with ELASTIMOLD lubricant. Install the elbow onto the epoxy stand-off plug. Insert the 600AMT tool into the retainer contact through the compression lug hole, engage the internal hex broach, and thread into the epoxy stand-off plug. Torque to 50-60 ft-lbs using a suitable tool on the 1 inch hex portion of the 600AMT.

  5. Mount the Alignment Bracket

    Remove the bushing extender clamp and elbow clamp from the alignment bracket. Position the alignment bracket on the bushing extender 2.5 inches (63.5mm) from the grounding eye. Assemble the bushing extender clamp to the alignment bracket with supplied hardware, torqueing alternating sides until clamp tabs are flush and tight.

  6. Align and Secure the Elbow

    Position the elbow within the alignment bracket, ensuring the elbow cuff is lined up evenly with the bushing extender cuff. Assemble the elbow clamp to the alignment bracket with supplied hardware. Torque by alternating sides until the clamp tabs are flush with each other and tight. Ensure the elbow clamp notch faces the cable entrance of the elbow.

  7. Insert the LINK Connector

    Clean and thoroughly lubricate both 600 ampere interfaces of the LINK with ELASTIMOLD lubricant. Align the LINK to be perpendicular to the switch faceplate when inserted. Insert the LINK into the bushing extender and elbow, ensuring both lever arms are inside the alignment bracket legs. Engage the pivot pin into the slots of the alignment bracket legs. While pushing inward, use a hot stick to move the lever arms downward, engaging the roller pin and moving the LINK inward until the lever arms are perpendicular to the alignment bracket leg.

  8. Ground the System and Install Mating Products

    Ground the elbow by feeding a #14 AWG or #12 AWG solid copper wire through its grounding eye, twisting tight, and connecting to ground. Clean and lubricate the 200 amp interface on the LINK. Ground and then install the desired 200 amp mating product onto the 200 amp interface per its instructions. Ground the cable by twisting concentric neutral wires together or connecting a grounding device lead to ground. For three-phase installations, tie all grounds from all three phases to a common ground point.

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