1SDA055603R1 ABB E1B 800 PR122/P-LI 800 A 3-Pole Air Circuit Breaker

1SDA055603R1 ABB E1B 800 PR122/P-LI 800 A 3-Pole Air Circuit Breaker

ABB 1SDA055603R1 is a SACE Emax E1B 800 A three-pole fixed air circuit breaker with a PR122/P-LI electronic overcurrent release, 800 A rating plug and rear horizontal terminals for low-voltage power distribution protection.

SKU: 1SDA055603R1MPN: 1SDA055603R1
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List Price £9,277.05 ex VAT
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Why Choose the ABB 1SDA055603R1 E1B 800 Air Circuit Breaker?

The ABB 1SDA055603R1 is a high-performance SACE Emax E1B air circuit breaker designed for switching and protection in low-voltage industrial power distribution systems. This configuration combines an 800 A rated current, three-pole fixed construction and ABB's advanced PR122/P-LI electronic overcurrent release.

As part of the ABB SACE Emax / New Emax range, the E1B 800 provides dependable protection for switchboards and electrical distribution equipment. The PR122/P-LI release provides long-time overload and instantaneous short-circuit protection, helping protect conductors and connected equipment against damaging overcurrent conditions.

This model is a three-pole fixed circuit breaker with rear horizontal terminals and an 800 A rating plug. It is also equipped with four auxiliary contacts for open/closed position indication, supporting integration into industrial switchgear monitoring and control systems.

Key Advantages

  • High-performance ABB SACE Emax air circuit breaker for low-voltage power distribution.
  • 800 A rated current suitable for high-current industrial installations.
  • PR122/P-LI electronic overcurrent release for overload and instantaneous short-circuit protection.
  • Three-pole fixed construction for permanent installation within switchgear assemblies.
  • Rear horizontal terminals simplify integration with switchboard busbar arrangements.
  • Four auxiliary contacts provide open/closed circuit-breaker position indication.

Key Features

  • ABB SACE Emax E1B series.
  • 800 A rated current.
  • Three-pole configuration.
  • Fixed circuit-breaker version.
  • PR122/P-LI electronic overcurrent release.
  • Long-time overload and instantaneous short-circuit protection functions.
  • 800 A rating plug.
  • Rear horizontal terminals.
  • Four auxiliary contacts with open/closed position indication.
  • Designed for low-voltage industrial distribution and switchgear applications.

Reliable Protection for Low-Voltage Power Distribution

Air circuit breakers such as the ABB SACE Emax E1B provide switching and protection for high-current low-voltage distribution systems. The electronic trip unit continuously supervises current conditions so that the breaker can interrupt the circuit when an overload or severe short-circuit condition exceeds the configured protection thresholds.

The PR122/P-LI electronic release combines long-time and instantaneous protection with the flexibility of ABB's Emax electronic protection platform. Together with the fixed three-pole construction, rear horizontal terminals and auxiliary position contacts, the 1SDA055603R1 is well suited to integration into industrial switchboards and power distribution assemblies.

Typical Applications

  • Low-voltage industrial power distribution systems.
  • Main and distribution switchboards.
  • Industrial switchgear assemblies.
  • Transformer-fed distribution systems.
  • Manufacturing and process plant electrical systems.
  • Commercial and infrastructure power distribution installations.

Technical Specifications

Series SACE Emax E1B
ABB order code 1SDA055603R1
Product type Air circuit breaker
Frame / sub-type E1B
Rated current 800 A
Rating plug 800 A
Number of poles 3
Release PR122/P-LI
Release type Electronic overcurrent release
Protection functions Long-time overload and instantaneous short-circuit protection
Version Fixed
Terminal connection Rear horizontal
Auxiliary contacts 4
Position indication Open / closed
EAN 8015644569433

Frequently Asked Questions

What is the ABB 1SDA055603R1 used for?

The ABB 1SDA055603R1 is an 800 A air circuit breaker designed for switching and overcurrent protection in low-voltage industrial power distribution and switchgear systems.

What is the rated current of the ABB E1B 800 1SDA055603R1?

This SACE Emax E1B circuit breaker has a rated current of 800 A and is equipped with an 800 A rating plug.

Which electronic release is fitted to the ABB 1SDA055603R1?

The circuit breaker is fitted with an ABB PR122/P-LI electronic overcurrent release.

What protection functions does the PR122/P-LI provide?

The LI configuration provides long-time overload protection and instantaneous short-circuit protection.

Is the ABB 1SDA055603R1 fixed or withdrawable?

The 1SDA055603R1 is a fixed three-pole circuit breaker equipped with rear horizontal terminals.

Does this E1B circuit breaker include auxiliary contacts?

Yes. This configuration is fitted with four auxiliary contacts providing open/closed circuit-breaker position indication.

Trusted by Industrial Power Distribution Professionals

ABB SACE Emax air circuit breakers are engineered for dependable switching and protection in demanding low-voltage electrical installations, combining robust circuit-breaker construction with advanced electronic overcurrent protection for industrial power distribution systems.