1sda062655r1 t7h 800 pr332/p lsig in=800a 4 pole abb mccb

Why Choose the ABB 1SDA062655R1 T7H 800 PR332/P LSIG MCCB?

The ABB 1SDA062655R1 is a high-performance SACE Tmax T moulded case circuit breaker (MCCB) designed to provide reliable protection, isolation and switching in demanding low voltage electrical distribution systems. Identified by the extended product type T7H 800 PR332/P LSIG In=800A 4p F F, this fixed four-pole breaker is engineered for industrial switchgear, commercial distribution panels and infrastructure applications requiring dependable high-current circuit protection.

As part of the ABB SACE Tmax T7H range, this MCCB combines robust mechanical construction with an advanced PR332/P LSIG electronic trip unit. The LSIG protection functions provide adjustable long-time, short-time, instantaneous and earth-fault protection, helping safeguard electrical systems against overload, short-circuit and ground-fault conditions while supporting selective coordination across low voltage networks.

With a rated uninterrupted current of 800 A, four-pole fixed construction, front terminal connections and a lever operating mechanism, the ABB 1SDA062655R1 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.
• Four-pole fixed design with front terminal connections.
• PR332/P LSIG electronic trip unit with earth-fault protection.
• T7H high breaking capacity performance for robust fault interruption.
• Suitable for switchboards, distribution panels and high-current power systems.

Key Features

• ABB SACE Tmax T7H series moulded case circuit breaker.
• 800 A rated uninterrupted current.
• Four-pole fixed MCCB.
• PR332/P LSIG solid-state electronic release.
• Long-time, short-time, instantaneous and earth-fault protection functions.
• Front terminal connections for panel integration.
• Rated operational voltage up to 690 V AC.
• Mechanical durability of up to 10,000 operating cycles.

Reliable Protection for Low Voltage Power Distribution

Moulded case circuit breakers such as the ABB 1SDA062655R1 are used to protect electrical circuits from overloads, short-circuit faults and earth-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 PR332/P LSIG electronic release provides comprehensive adjustable protection for demanding low voltage networks. Its long-time, short-time, instantaneous and earth-fault protection functions make this breaker suitable for switchgear assemblies, distribution boards and industrial installations where selectivity, safety 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.