TE-XR1-21-3 Terminal extension

Why Choose the ABB TE-XR1-21-3 Terminal Extension?

The ABB TE-XR1-21-3 Terminal Extension, manufacturer part number 1SEP408525R0001, is a dedicated copper terminal extension kit for ABB SlimLine XR1 switch-disconnector fuse equipment. It is designed to accommodate three current transformers, providing the extended terminal arrangement required for current measurement in low-voltage distribution and switchgear installations.

Designed for three current transformers with a 21 mm diameter, the TE-XR1-21-3 enables CTs to be incorporated into compatible SlimLine XR1 assemblies. The terminal extensions provide the physical connection arrangement required when integrating current transformers for metering, monitoring and energy-management applications.

As a purpose-designed accessory within the ABB SlimLine XR system, the TE-XR1-21-3 helps panel builders create an integrated three-phase current measurement arrangement using compatible XR1 equipment. The copper construction provides excellent electrical conductivity, while the dedicated design ensures compatibility with the intended ABB switch-disconnector fuse platform.

Key Advantages

• Purpose-designed terminal extension for ABB SlimLine XR1 equipment.
• Provides terminal extensions for three current transformers.
• Designed for CTs with a 21 mm diameter.
• Copper construction provides excellent electrical conductivity.
• Supports three-phase current measurement and monitoring installations.
• Dedicated ABB accessory for reliable integration with compatible SlimLine XR equipment.

Key Features

• ABB TE-XR1-21-3 terminal extension kit.
• Manufacturer order code 1SEP408525R0001.
• Designed for ABB SlimLine XR1 equipment.
• Configuration for 3 current transformers.
• 21 mm compatible CT diameter.
• Copper terminal extensions.
• Designed for current measurement installations.
• Suitable for low-voltage switch-disconnector fuse assemblies.
• Supplied as a dedicated accessory for the SlimLine XR platform.

Three-Phase Current Transformer Integration for SlimLine XR1

Current transformers allow electrical distribution systems to measure high circuit currents using scaled signals suitable for meters, monitoring devices and energy-management equipment. In a three-phase installation, three CTs can provide individual current measurement for each phase, supporting detailed monitoring of electrical loads.

The ABB TE-XR1-21-3 provides the terminal extension arrangement required to accommodate three 21 mm current transformers with compatible SlimLine XR1 equipment. Using the dedicated ABB accessory simplifies integration and supports an organised switchboard assembly for current measurement applications.

Typical Applications

• ABB SlimLine XR1 switch-disconnector fuse installations.
• Three-phase current transformer installations.
• Low-voltage switchboards and distribution assemblies.
• Electrical energy metering systems.
• Industrial current monitoring applications.
• Panel building and power distribution projects.