1SDA057229R1 ABB E1B-A 800 PR122/P-LSIG 800A 3P Withdrawable Air Circuit Breaker

1SDA057229R1 ABB E1B-A 800 PR122/P-LSIG 800A 3P Withdrawable Air Circuit Breaker

ABB 1SDA057229R1 E1B-A 800 PR122/P-LSIG is an 800 A three-pole withdrawable SACE Emax air circuit breaker moving part with LSIG electronic protection for low-voltage power distribution systems.

SKU: 1SDA057229R1MPN: 1SDA057229R1
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Why Choose the ABB E1B-A 800 PR122/P-LSIG 800A 3P Withdrawable Air Circuit Breaker?

The ABB E1B-A 800 PR122/P-LSIG, order code 1SDA057229R1, is a high-performance SACE Emax air circuit breaker moving part designed for reliable protection and switching in low-voltage power distribution systems. This UL three-pole E1B-A circuit breaker has a rated current of 800 A and incorporates ABB's advanced PR122/P-LSIG electronic overcurrent release.

Part of the ABB SACE Emax range, the E1B-A combines dependable short-circuit protection with electronic monitoring and protection functions for demanding industrial and commercial electrical installations. The PR122/P-LSIG trip unit provides long-time, short-time, instantaneous and earth-fault protection, helping protect conductors, switchgear and connected equipment against overloads and fault currents.

This model is supplied as a three-pole withdrawable circuit-breaker moving part and is designed for UL applications. It is fitted with four auxiliary contacts and open/closed position indication, supporting integration with switchboard control, signalling and monitoring systems.

Key Advantages

  • Reliable 800 A SACE Emax air circuit breaker for low-voltage power distribution.
  • Three-pole configuration for three-phase electrical systems.
  • Advanced PR122/P-LSIG electronic trip unit with comprehensive circuit protection.
  • LSIG functions provide long-time, short-time, instantaneous and earth-fault protection.
  • Withdrawable design supports convenient inspection, servicing and replacement.
  • Four auxiliary contacts and open/closed position indication facilitate switchboard monitoring.

Key Features

  • ABB SACE Emax E1B-A series.
  • 800 A rated current.
  • Three-pole construction.
  • PR122/P-LSIG electronic overcurrent release.
  • Long-time, short-time, instantaneous and earth-fault protection functions.
  • 600 V rated voltage.
  • 42 kA interrupting rating at 240, 480 and 600 V AC to UL 1066.
  • Withdrawable moving-part configuration.
  • Four auxiliary contacts.
  • Open/closed circuit-breaker position indication.
  • Designed to UL 1066 requirements.

Reliable Protection for Low-Voltage Power Distribution

Air circuit breakers such as the ABB SACE Emax E1B-A provide controlled switching and protection of low-voltage electrical distribution circuits. The electronic release monitors electrical conditions and initiates tripping when configured protection thresholds are exceeded, helping reduce the risk of damage caused by overloads, short circuits and earth faults.

The PR122/P-LSIG release provides comprehensive electronic protection suitable for coordinated power distribution systems. Combined with the withdrawable SACE Emax architecture, this makes the E1B-A well suited to switchboards where dependable protection, system availability and straightforward maintenance are important.

Typical Applications

  • Low-voltage power distribution switchboards.
  • Industrial electrical distribution systems.
  • Main incoming and feeder circuit protection.
  • Commercial building electrical infrastructure.
  • Manufacturing and process installations.
  • UL-compliant switchgear and distribution assemblies.

Technical Specifications

Series SACE Emax
ABB order code 1SDA057229R1
Product type Air circuit breaker moving part
Sub-type E1
Performance level B
Rated current (In) 800 A
Rated uninterrupted current (Iu) 800 A
Number of poles 3
Current type AC
Rated voltage 600 V
Trip unit PR122/P-LSIG
Release type Electronic
Protection functions Long-time, short-time, instantaneous and earth-fault (LSIG)
Interrupting rating at 240 V AC 42 kA
Interrupting rating at 480 V AC 42 kA
Interrupting rating at 600 V AC 42 kA
Version Withdrawable
Standard UL 1066
Auxiliary contacts 4
Position indication Open / closed
Mechanical durability 20,000 cycles
Dimensions (W × H × D) 324 × 461 × 396.5 mm
Net weight 44 kg
EAN 8015644594923

Frequently Asked Questions

What is the ABB 1SDA057229R1 used for?

It is an 800 A three-pole withdrawable SACE Emax air circuit breaker moving part designed for switching and protecting low-voltage power distribution systems.

What trip unit is fitted to the ABB E1B-A 800?

This model is fitted with the ABB PR122/P-LSIG electronic overcurrent release, providing long-time, short-time, instantaneous and earth-fault protection.

What is the rated current of 1SDA057229R1?

The circuit breaker has a rated current of 800 A.

How many poles does the ABB E1B-A 800 have?

The 1SDA057229R1 has a three-pole configuration designed for three-phase low-voltage electrical systems.

Is the ABB 1SDA057229R1 fixed or withdrawable?

This model is a withdrawable circuit-breaker moving part for compatible ABB SACE Emax switchgear, allowing convenient isolation and servicing.

Trusted by Power Distribution Professionals Worldwide

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