1sda062658r1 t7h 800 pr231/p ls/i=800a 3 pole abb mccb

Why Choose the ABB 1SDA062658R1 T7H 800 PR231/P LS/I MCCB?

The ABB 1SDA062658R1 is a high-performance SACE Tmax T moulded case circuit breaker (MCCB) designed to provide dependable protection, isolation and switching in demanding low voltage electrical distribution systems. Identified by the extended product type T7H 800 PR231/P LS/I In=800A 3p F F M, this fixed three-pole breaker is engineered for industrial switchgear, commercial distribution panels and infrastructure applications requiring reliable high-current circuit protection.

As part of the ABB SACE Tmax T7H range, this MCCB combines robust mechanical construction with a PR231/P LS/I electronic trip unit. The LS/I protection functions provide long-time, short-time and instantaneous protection, helping safeguard electrical systems against overload and short-circuit fault conditions while supporting reliable operation across low voltage networks.

With a rated uninterrupted current of 800 A, three-pole fixed construction, front terminal connections and a stored energy operating mechanism, the ABB 1SDA062658R1 is suitable for switchboard manufacturers, panel builders, electrical contractors and maintenance engineers working with high-capacity AC distribution systems.

Key Advantages

• High-performance ABB moulded case circuit breaker for low voltage power distribution.
• 800 A rated current for demanding industrial and commercial installations.
• Three-pole fixed design with front terminal connections.
• PR231/P LS/I electronic trip unit for overload and short-circuit protection.
• Stored energy operating mechanism for dependable switching performance.
• T7H high breaking capacity performance for robust fault interruption.

Key Features

• ABB SACE Tmax T7H series moulded case circuit breaker.
• 800 A rated uninterrupted current.
• Three-pole fixed MCCB.
• PR231/P LS/I solid-state electronic release.
• Long-time, short-time and instantaneous protection functions.
• Front terminal connections for panel integration.
• Stored energy operating mechanism.
• Rated operational voltage up to 690 V AC.

Reliable Protection for Low Voltage Power Distribution

Moulded case circuit breakers such as the ABB 1SDA062658R1 are used to protect electrical circuits from overloads and short-circuit fault conditions while providing dependable isolation and switching. In high-current distribution systems, reliable interruption capability and accurate trip performance are essential for protecting equipment and maintaining safe operation.

The PR231/P LS/I electronic release provides dependable protection for demanding low voltage networks. Its long-time, short-time and instantaneous protection functions, combined with the stored energy operating mechanism, make this breaker suitable for switchgear assemblies, distribution boards and industrial installations where safety, selectivity and operational continuity are important.

Typical Applications

• Main and feeder protection in low voltage switchboards.
• Industrial power distribution systems.
• Commercial electrical panels and plant rooms.
• OEM control panels and machinery power systems.
• Motor control centres and process installations.
• High-current circuit protection for infrastructure applications.