1SDA061009R1 ABB E2S-A 1200 PR123/P-LSIG 1200 A 3-Pole Withdrawable Air Circuit Breaker

Why Choose the ABB E2S-A 1200 PR123/P-LSIG 1SDA061009R1 Air Circuit Breaker?

The ABB 1SDA061009R1 is a high-performance E2S-A 1200 A three-pole withdrawable air circuit breaker moving part from the ABB SACE Emax range, designed for reliable protection and switching in demanding low-voltage electrical distribution systems. Equipped with the advanced PR123/P-LSIG electronic trip unit, it provides comprehensive long-time, short-time, instantaneous and earth-fault protection for industrial and commercial power installations.

As part of the ABB New Emax product family, the E2S-A combines robust circuit-breaking performance with sophisticated electronic protection and a withdrawable construction that supports efficient switchboard servicing. The PR123/P trip unit provides advanced protection functions for effective system coordination, while the moving-part design allows the breaker to be used with a compatible Emax withdrawable fixed part.

With a rated current of 1200 A and a three-pole configuration, the 1SDA061009R1 is suited to high-current three-phase distribution systems. Its configuration includes an R1200 rating plug and an Im 18000 A instantaneous setting reference, providing a dependable protection solution for industrial switchboards and power distribution assemblies.

Key Advantages

• High-performance ABB SACE Emax air circuit breaker for low-voltage power distribution.
• 1200 A rated current for demanding industrial and commercial installations.
• PR123/P-LSIG electronic trip unit for advanced circuit protection.
• Long-time, short-time, instantaneous and earth-fault protection functions.
• Three-pole withdrawable construction supports convenient switchboard servicing and maintenance.
• Advanced electronic protection supports system selectivity and dependable fault management.

Key Features

• ABB SACE Emax E2S-A series.
• 1200 A rated current.
• Three-pole construction.
• PR123/P electronic trip unit.
• LSIG protection functions: long-time, short-time, instantaneous and earth fault.
• R1200 rating plug.
• Im 18000 A instantaneous setting reference.
• Withdrawable (W) moving portion (MP).
• E2 frame with S performance class.
• Designed for integration into low-voltage switchboards and power distribution assemblies.

Advanced Protection for Low-Voltage Power Distribution

Air circuit breakers such as the ABB E2S-A protect low-voltage electrical networks against overloads, short circuits and earth faults while providing switching and isolation within the distribution system. They are commonly used in main switchboards and high-current distribution assemblies where reliable protection, system coordination and continuity of service are important.

The PR123/P-LSIG electronic trip unit provides long-time protection against sustained overloads, short-time protection to support selective coordination, instantaneous protection against severe short circuits and earth-fault protection. Combined with the withdrawable Emax construction, these functions provide a flexible and serviceable solution for sophisticated low-voltage power distribution systems.

Typical Applications

• Low-voltage main distribution switchboards.
• Industrial power distribution systems.
• Commercial building electrical distribution.
• Manufacturing and process plant switchgear.
• Power distribution and control assemblies.
• Withdrawable switchboard installations requiring 1200 A three-pole circuit protection.