1SDA101212R1 ABB XT7H 1250 Ekip G Touch LSIG 1250A 4 Pole Generator MCCB

Why Choose the ABB XT7H 1250 Ekip G Touch LSIG 1SDA101212R1 Circuit Breaker?

The ABB 1SDA101212R1 is a high-performance four-pole moulded case circuit breaker (MCCB) designed for advanced generator protection and switching in demanding low-voltage AC electrical systems. Identified by ABB as the XT7H 1250 Ekip G Touch LSIG In1250 4p FF, it combines the robust SACE Tmax XT7 platform with ABB’s advanced Ekip G Touch LSIG electronic trip unit for generator, industrial and infrastructure power installations.

This fixed circuit breaker features the Ekip G Touch LSIG electronic trip unit, providing long-time, short-time, instantaneous and ground-fault protection functions tailored to generator applications. The touch-based electronic release provides advanced protection and monitoring capabilities, supporting accurate system coordination and dependable protection of generating equipment and associated low-voltage distribution circuits.

With a rated current of 1250 A and the high interruption performance of the XT7H 70 kA class, the 1SDA101212R1 is engineered for high-current generator and distribution applications with demanding fault-current requirements. Its fixed four-pole construction and front terminals support straightforward integration into generator switchboards and low-voltage distribution assemblies.

Key Advantages

• Advanced four-pole moulded case circuit breaker for generator and power distribution applications.
• 1250 A rated current for high-current electrical systems.
• Generator-oriented Ekip G Touch LSIG electronic trip unit.
• Long-time, short-time, instantaneous and ground-fault protection functions.
• XT7H 70 kA interruption class for demanding fault-current conditions.
• Touch-based electronic trip technology for advanced protection and system supervision.
• Electronic protection supports effective selectivity and coordination throughout the electrical system.
• Four-pole configuration supports three-phase systems incorporating a neutral conductor.
• Fixed construction with front terminals for switchboard integration.

Key Features

• ABB SACE Tmax XT7H moulded case circuit breaker.
• Designed for generator protection applications.
• 1250 A rated current.
• Four-pole configuration.
• Ekip G Touch LSIG electronic trip unit.
• Long-time overload protection.
• Short-time short-circuit protection.
• Instantaneous short-circuit protection.
• Ground-fault protection.
• H interruption rating.
• 70 kA XT7H performance class.
• Fixed installation with front terminal connections.
• Designed for AC low-voltage generator and power distribution systems.

Advanced Generator Protection for Low-Voltage Power Systems

Generator circuits require protection characteristics suited to the operating behaviour and fault-current capability of generating equipment. The ABB XT7H 1250 with Ekip G Touch LSIG combines generator-oriented electronic protection with the high interruption performance of the SACE Tmax XT7H platform, helping protect generators and associated low-voltage distribution circuits against overload, short-circuit and ground-fault conditions.

The Ekip G Touch LSIG release provides long-time, short-time, instantaneous and ground-fault protection through an advanced electronic interface. Combined with a 1250 A rated current, H-level interruption performance and four-pole construction, the 1SDA101212R1 is particularly suitable for generator incomers, standby power systems and other applications where comprehensive high-current circuit protection is required.

Typical Applications

• Low-voltage generator protection systems.
• Generator main circuit breakers.
• Standby and emergency power systems.
• Generator switchboards and control panels.
• Industrial low-voltage power distribution systems.
• Commercial and infrastructure backup power installations.
• High-current generator feeder protection.