ABB - Installation Products XT21 - Copper Type XT - Clamp for Tee-Tap, Cross, Parallel and End-to-End for Wire Range Main: 250 - 500 kcmil Tap: 6 Solid - 2 Stranded, Bolt Size 3/8
ABB - Installation Products

XT21

UPC: 783786400324

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Multiplier: 6

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Overview

The ABB XT21 Copper Type XT clamp is a versatile electrical connector designed for secure tee-tap, cross, parallel, and end-to-end wire connections in industrial and commercial installations. Engineered for main wire ranges from 250 to 500 kcmil and tap wire ranges from 6 AWG solid to 2 AWG stranded, this clamp ensures reliable electrical continuity with a 3/8" bolt size for robust fastening. The copper construction provides excellent conductivity and corrosion resistance, making it suitable for high-current applications where performance and durability are critical. The XT21 is part of ABB's Installation Products line, a trusted manufacturer known for high-quality electrical components. Its design accommodates multiple wiring configurations, reducing the need for additional connectors in complex installations. Ideal for power distribution panels, switchgear, and renewable energy systems, the XT21 clamp simplifies wiring while maintaining compliance with electrical safety standards.
  • Main wire range: 250 - 500 kcmil
  • Tap wire range: 6 AWG solid to 2 AWG stranded
  • Bolt size: 3/8" for secure fastening
  • Copper construction for high conductivity and corrosion resistance
  • Supports tee-tap, cross, parallel, and end-to-end connections

Specifications

Application
Multi-purpose Connector
Bolt Size
3/8 in
Connection
Mechanical
Enclosure
None
Environmental Conditions
All Seasons / Conditions
Finish
Uncoated
Insulation
None
Material
Casting of Copper Alloy, Bolts of Silicon Bronze
Number of Conductors
2
Number Of Mounting Holes
None
Special Features
Design allows for free wrench rotation which speeds installation
Type
Mechanical Connector
Voltage Rating
35 kV
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)
0.7600 L
Package Weight (Metric)
0.3450 kg
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Frequently Asked Questions

What bolt size is used with the XT21 clamp?

The XT21 clamp uses a 3/8" bolt for secure fastening.

Is the XT21 clamp made of copper?

Yes, the XT21 clamp is made of copper for high conductivity and corrosion resistance.

What is the manufacturer of the XT21 clamp?

The XT21 clamp is manufactured by ABB - Installation Products.

What wire sizes does the XT21 clamp support?

The XT21 clamp supports main wires from 250 to 500 kcmil and tap wires from 6 AWG solid to 2 AWG stranded.

What types of connections can the XT21 clamp make?

The XT21 clamp supports tee-tap, cross, parallel, and end-to-end wire connections.

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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Thomas and Betts products are known for their innovative designs, high performance, and compliance with industry standards such as the National Electrical Code and Underwriters' Laboratories. They offer a comprehensive range of rugged and reliable electrical fittings, including liquidtight and dust-tight connections, which enhance installation efficiency and reduce overall project costs. Their products are engineered for durability in harsh environments, ensuring long-term reliability and lower installed costs.

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