1SDA060995R1 ABB E2S-A 1200 PR122/P-LSI 1200 A 3-Pole Air Circuit Breaker

Why Choose the ABB 1SDA060995R1 E2S-A 1200 Air Circuit Breaker?

The ABB 1SDA060995R1 is a high-performance E2S-A 1200 air circuit breaker (ACB) designed for protection and switching in demanding low-voltage power distribution systems. As part of the proven ABB SACE Emax series, this three-pole breaker combines a 1200 A rated current with the PR122/P electronic trip unit for dependable protection of industrial and commercial electrical installations.

The breaker is equipped with an ABB PR122/P electronic trip unit with LSI protection functions, providing long-time overload, short-time short-circuit and instantaneous short-circuit protection. These independently configurable electronic protection functions help coordinate the breaker with upstream and downstream protective devices while providing rapid response to severe electrical faults.

With its E2S-A performance level, three-pole construction and 1200 A rated current, the 1SDA060995R1 is suited to substantial incoming, feeder and distribution duties. The Emax platform is designed for integration into low-voltage switchboards where dependable fault protection, selective coordination and reliable high-current switching are required.

Key Advantages

• High-performance 1200 A air circuit breaker for low-voltage power distribution.
• PR122/P electronic trip unit provides configurable electronic circuit protection.
• LSI protection functions cover long-time, short-time and instantaneous overcurrent conditions.
• Three-pole construction for three-phase low-voltage distribution systems.
• Short-time protection supports improved selectivity and coordination within distribution networks.
• Robust ABB SACE Emax E2S-A platform for demanding industrial switchgear.

Key Features

• ABB SACE Emax E2S-A 1200 air circuit breaker.
• 1200 A rated current.
• 3-pole configuration.
• PR122/P electronic overcurrent release.
• LSI protection for long-time, short-time and instantaneous overcurrent faults.
• Electronic protection settings for coordinated power distribution.
• E2S-A performance class for demanding low-voltage installations.
• Designed for industrial, commercial and infrastructure switchgear applications.

Advanced Protection for Low-Voltage Power Distribution

Air circuit breakers such as the ABB E2S-A 1200 provide switching and protection for high-current low-voltage distribution circuits. They are commonly applied to incoming and feeder circuits where dependable interruption of overload and short-circuit faults is essential for maintaining electrical system safety and continuity of service.

The PR122/P electronic trip unit continuously monitors circuit current and initiates breaker operation when configured protection thresholds are exceeded. Its LSI functionality adds short-time protection to the long-time and instantaneous functions, supporting selective coordination and helping isolate faults while minimising unnecessary interruption to unaffected parts of the electrical system.

Typical Applications

• Low-voltage main distribution switchboards.
• Industrial power distribution systems.
• Incoming and feeder circuit protection.
• Manufacturing and process plant electrical systems.
• Commercial and infrastructure power distribution.
• Selective and coordinated low-voltage protection systems.