1SDA065755R1 ABB T8D 2500 4-Pole Fixed Switch-Disconnector

1SDA065755R1 ABB T8D 2500 4-Pole Fixed Switch-Disconnector

ABB 1SDA065755R1 is a Tmax T8D 2500 four-pole fixed switch-disconnector with front terminals for high-current switching and isolation in compatible low-voltage power distribution systems.

SKU: 1SDA065755R1MPN: 1SDA065755R1
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Manufacturer Lead Time

£16,446.56

Why Choose the ABB T8D 2500 4-Pole Switch-Disconnector 1SDA065755R1?

The ABB 1SDA065755R1 is a Tmax T8D 2500 switch-disconnector designed for high-current low-voltage power distribution applications. With a 2500 A frame rating and four-pole configuration, it provides dependable switching and isolation for compatible industrial and commercial electrical installations.

Unlike a Tmax T8 circuit breaker fitted with an electronic protection release, the T8D is a switch-disconnector intended primarily for circuit switching and isolation. This makes it suitable for applications where overcurrent protection is provided elsewhere in the electrical system and a robust high-current isolating device is required.

The 1SDA065755R1 uses a fixed mounting arrangement with front terminals and a 4-pole configuration. Its T8 frame and 2500 A rating make it particularly suitable for main switchboards, distribution assemblies and industrial installations requiring a manufacturer-engineered ABB isolation solution for substantial load currents.

Key Advantages

  • Genuine ABB SACE Tmax T8D switch-disconnector.
  • 2500 A frame rating for high-current distribution applications.
  • Four-pole configuration for compatible multi-pole electrical systems.
  • Provides switching and isolation without an integral overcurrent protection trip unit.
  • Fixed mounting arrangement for permanent switchboard installations.
  • Front terminals provide an accessible main circuit connection arrangement.
  • Suitable for industrial switchboards, distribution boards and power control assemblies.

Key Features

  • ABB Tmax T8D 2500 switch-disconnector.
  • 4-pole construction.
  • Fixed installation.
  • Front terminal configuration.
  • Designed for high-current circuit switching and isolation.
  • Switch-disconnector design without an electronic protection trip unit.
  • Suitable for integration into compatible ABB low-voltage distribution systems.
  • Part of the ABB SACE Tmax T4–T8 product family.
  • ABB order code 1SDA065755R1.

High-Current Switching and Electrical Isolation

A switch-disconnector provides a means of manually switching a circuit and establishing an isolating function for electrical equipment. In high-current distribution systems, this allows sections of an installation to be disconnected when required for operational control, inspection or maintenance, subject to the isolation procedures specified for the installation.

The ABB T8D 2500 is distinct from protected Tmax T8 circuit breaker variants because it is designed as a switch-disconnector rather than an automatic overcurrent protection device. The 1SDA065755R1 therefore provides a practical solution where a four-pole, fixed, front-connected isolation device is required and suitable short-circuit and overload protection is provided by other equipment in the system.

Typical Applications

  • Main low-voltage electrical switchboards.
  • High-current industrial power distribution systems.
  • Four-pole circuit isolation applications.
  • Manufacturing and process plant electrical distribution.
  • Commercial and infrastructure distribution assemblies.
  • Installations where overcurrent protection is provided by separate protective equipment.

Technical Specifications

Series SACE Tmax T8D
Order code 1SDA065755R1
Product ID 1SDA065755R1
Product group 310511-T-Max T4 - T8
Product type Switch-disconnector
Frame size T8
Frame rating 2500 A
Number of poles 4
Mounting type Fixed
Terminal position Front
Primary function Switching and circuit isolation
Trip unit None

Frequently Asked Questions

What is the ABB 1SDA065755R1?

The ABB 1SDA065755R1 is a Tmax T8D 2500 four-pole switch-disconnector designed for high-current switching and isolation in compatible low-voltage electrical distribution systems.

What is the current rating of the ABB T8D 2500 1SDA065755R1?

The T8D 2500 has a 2500 A frame rating and is designed for high-current power distribution applications.

How many poles does the ABB 1SDA065755R1 have?

The 1SDA065755R1 has a 4-pole configuration, making it suitable for compatible four-pole electrical distribution systems.

Does the ABB T8D 2500 include an electronic trip unit?

No. The T8D is a switch-disconnector rather than an automatically tripping circuit breaker, so suitable overload and short-circuit protection must be provided elsewhere where required by the electrical system design.

How is the ABB 1SDA065755R1 installed?

The 1SDA065755R1 is supplied in a fixed configuration with front terminals for integration into compatible low-voltage switchboards and power distribution assemblies.

Trusted ABB Power Distribution Equipment

ABB SACE Tmax switching and protection equipment is designed for integration into demanding low-voltage power distribution systems, providing engineered solutions for circuit switching, isolation and protection across industrial and commercial installations.