1SDA100988R1 ABB XT7L 1250 Ekip Hi-Touch LSIG 1250 A 3P MCCB

Why Choose the ABB XT7L 1250 Ekip Hi-Touch LSIG 1SDA100988R1 Circuit Breaker?

The ABB XT7L 1250 Ekip Hi-Touch LSIG 1SDA100988R1 is a high-performance three-pole moulded case circuit breaker (MCCB) designed for advanced protection and switching in demanding low-voltage AC power distribution systems. Part of the ABB SACE Tmax XT7 range, this fixed circuit breaker combines a rated uninterrupted current of 1250 A with ABB's advanced Ekip Hi-Touch LSIG solid-state electronic protection unit.

The Ekip Hi-Touch LSIG release provides long-time, short-time, instantaneous and ground-fault protection functions, delivering comprehensive electronic protection for high-current feeders and distribution circuits. This LSIG configuration is particularly suitable for installations where ground-fault protection is required alongside overload and short-circuit protection.

The XT7L is ABB's 120 kA performance version of the XT7 frame, providing a rated ultimate and service short-circuit breaking capacity of 120 kA at 415 V AC. With a rated operational voltage of 690 V AC, fixed three-pole construction, front terminals and lever operating mechanism, the 1SDA100988R1 is engineered for demanding industrial and commercial switchboards.

Key Advantages

• High-performance 1250 A moulded case circuit breaker for demanding low-voltage distribution systems.
• Ekip Hi-Touch LSIG electronic trip unit provides long-time, short-time, instantaneous and ground-fault protection.
• 120 kA ultimate and service breaking capacity at 415 V AC for installations with high prospective fault currents.
• Rated operational voltage of 690 V AC for substantial industrial and commercial distribution applications.
• Integrated ground-fault protection provides additional protection for electrical distribution systems.
• 20 kA short-time withstand current supports demanding system coordination requirements.
• Fixed three-pole construction with front terminals supports straightforward switchboard integration.
• ABB Ekip Hi-Touch technology provides an advanced electronic protection platform for sophisticated power distribution systems.

Key Features

• ABB SACE Tmax XT7L series.
• 1250 A rated current.
• Three-pole fixed circuit breaker.
• Front terminal connections.
• Lever operating mechanism.
• Ekip Hi-Touch LSIG solid-state electronic release.
• Long-time overload protection.
• Short-time short-circuit protection.
• Instantaneous short-circuit protection.
• Ground-fault protection.
• 120 kA Icu and Ics at 415 V AC.
• 690 V AC rated operational voltage.
• 1000 V rated insulation voltage.
• 8 kV rated impulse withstand voltage.

Advanced Circuit Protection for Power Distribution

Moulded case circuit breakers such as the ABB XT7L provide essential protection for high-current electrical distribution systems. The Ekip Hi-Touch LSIG electronic release combines long-time overload, short-time short-circuit, instantaneous short-circuit and ground-fault protection, helping safeguard cables, switchgear and connected equipment while supporting coordinated protection throughout the electrical network.

With a 1250 A current rating, 120 kA breaking capacity at 415 V AC and comprehensive LSIG protection, the 1SDA100988R1 is suited to power distribution systems where substantial fault interruption capability and advanced electronic protection are required. Its fixed construction and front terminals make it particularly suitable for integration into industrial and commercial low-voltage switchboards.

Typical Applications

• Industrial low-voltage power distribution systems.
• Main incomer and feeder protection in switchboards.
• Transformer protection and distribution circuits.
• Generator and installation protection.
• Manufacturing and process industry installations.
• Commercial buildings and infrastructure power distribution.
• High-current circuits requiring electronic ground-fault protection.