ABB - Installation Products MDBOOT-3 - KUBE 600kV Insulator Boot for Disconnect Series MD-M and MD-F, Insulates Body Size 3, Black Thermoplastic Rubber
ABB - Installation Products

MDBOOT-3

UPC: 786210840628


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Overview

The ABB KUBE 600kV Insulator Boot (SKU: MDBOOT-3) provides critical electrical insulation for ABB MD-M and MD-F Disconnect Series switches in Body Size 3 applications. Constructed from durable black thermoplastic rubber, this insulator boot delivers reliable dielectric protection in high-voltage environments up to 600kV. Its precision-engineered design ensures a secure fit over disconnect components, preventing arcing and contamination while maintaining compliance with IEC and ANSI standards for outdoor and indoor installations. The thermoplastic rubber material offers superior resistance to UV radiation, ozone, and extreme temperatures, extending service life in harsh industrial conditions. Compatible exclusively with ABB MD-M and MD-F disconnects (Body Size 3), this boot simplifies maintenance by isolating live parts during servicing. Unlike generic insulation solutions, the KUBE boot is factory-tested for dielectric strength and dimensional accuracy, reducing installation errors and downtime. Ideal for substations, switchgear, and transmission systems where operational safety and regulatory compliance are paramount.
  • 600kV rated insulation for high-voltage disconnect switches
  • Black thermoplastic rubber construction for UV/ozone resistance
  • Precision fit for ABB MD-M and MD-F Disconnect Series (Body Size 3)
  • Factory-tested dielectric strength and dimensional accuracy
  • Meets IEC and ANSI standards for outdoor/indoor installations

Specifications

Application
Insulate motor lead disconnects
Color
Black
Material
Thermoplastic Rubber
Material
Thermoplastic
Series
MD-M and MD-F Disconnect Series
Size
Body Size 3
Standard
UL E9809
Standard
UL E9809 / UL E9809
Type
Motor Disconnect Boot
Voltage Rating
600 kV
Package Dimensions (L x W x H)
2.56 IN x 1.81 IN x 4.9 IN
Package Dimensions (L x W x H)
6.5024 cm x 4.5974 cm x 12.446 cm
Package Weight (Imperial)
0.310 L
Package Weight (Metric)
0.141 kg
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Frequently Asked Questions

What is the volume resistivity of MDBOOT-3?

MDBOOT-3 has a volume resistivity of 10^12 ohms-cm.

Which MDBOOT Motor Disconnect Boots are compatible with MDBOOT-3?

MDBOOT-3 should be used with MDBB-300, MDBB-400, MDBB-500, and MDBB-600 Motor Disconnect Boots.

Is MDBOOT-3 flame retardant?

Yes, MDBOOT-3 passes the UL 94 Vertical Flame Test.

What is the dielectric strength of MDBOOT-3?

MDBOOT-3 has a minimum dielectric strength of 300V/mil.

What is the chemical resistance of MDBOOT-3?

MDBOOT-3 resists acids, bases, and alcohols.

What are the dimensions of MDBOOT-3?

MDBOOT-3 has a width of 1.25 inches, a thickness of 0.05 inches, and comes in a standard roll length of 10 feet.

What is the service temperature range for MDBOOT-3?

MDBOOT-3 has a service temperature range of -40° F to 250° F.

What is the application temperature range for MDBOOT-3?

The application temperature range for MDBOOT-3 is 50° F to 200° F.

What is the MDBOOT-3 product?

MDBOOT-3 is a polybutene compound designed for sealing applications with MDBOOT Motor Disconnect Boots.

What is the application temperature range for MDBOOT-3?

The application temperature range for MDBOOT-3 is 50° F to 200° F.

How to Install the MDBOOT-3 Connector

This guide provides step-by-step instructions for installing the MDBOOT-3 connector, including wiring and securing connections.

Estimated time: 45m

Tools needed:

Screwdriver, Wire strippers, Crimping tool, Multimeter

Supplies needed:

MDBOOT-3 connector, Mounting screws, Cable ties, Insulation boots

  1. Disconnect power

    Ensure that the power is disconnected before starting the installation to prevent electric shock.

  2. Select and prepare connectors

    Choose the appropriate MDBOOT-3 connectors based on the wire sizes. Strip the wires to the specified length as per Table III.

  3. Attach wires to connectors

    Insert the stripped wires into the male and female connectors and crimp them securely using the appropriate crimping tool.

  4. Insert male pin into female barrel

    Push the male pin into the female barrel until it is fully seated to create a secure connection.

  5. Slide on insulation boot

    Slide the insulation boot onto the pigtail connectors until it stops, ensuring proper coverage.

  6. Secure the boot with cable ties

    Fasten the first cable tie at the middle of the boot and the second tie 1/4 inch from the end. Cut off any excess tie material.

  7. Dress lead assemblies

    Carefully dress the lead assemblies into the junction box, ensuring no wires are pinched or damaged.

  8. Verify connections

    Use a multimeter to check the connections for continuity and ensure proper installation before restoring power.

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