1SDA100920R1 ABB XT7H 1250 Ekip Hi-Touch LSI 1250 A 3-Pole Circuit Breaker

Why Choose the ABB XT7H 1250 Ekip Hi-Touch LSI 1SDA100920R1 Circuit Breaker?

The ABB XT7H 1250 Ekip Hi-Touch LSI 1SDA100920R1 is a high-performance moulded-case circuit breaker (MCCB) designed for reliable protection and switching in demanding low-voltage electrical distribution systems. As part of the advanced ABB SACE Tmax XT series, this XT7 circuit breaker combines a 1250 A rated current with high short-circuit interruption capability and sophisticated electronic protection for industrial, commercial and infrastructure installations.

Equipped with an Ekip Hi-Touch LSI electronic trip unit, the breaker provides long-time, short-time and instantaneous protection functions. The advanced solid-state release enables accurate protection and coordination of electrical networks, helping safeguard cables, busbars, switchboards and connected equipment against overload and short-circuit conditions while supporting dependable continuity of service.

With a rated current of 1250 A, a three-pole configuration and the XT7H 70 kA interruption class, the 1SDA100920R1 is supplied as a fixed circuit breaker with front terminals and a lever operating mechanism. Its combination of high breaking performance, advanced Hi-Touch protection and robust ABB Tmax XT construction makes it well suited to major distribution feeders and high-power switchboard applications.

Key Advantages

• High-performance ABB SACE Tmax XT moulded-case circuit breaker.
• 1250 A rated current for high-current low-voltage distribution systems.
• Ekip Hi-Touch LSI electronic trip unit for advanced circuit protection.
• Long-time, short-time and instantaneous protection functions.
• XT7H 70 kA interruption class for installations with demanding fault levels.
• Three-pole fixed configuration for three-phase electrical networks.
• Front terminals provide straightforward integration into switchboards and distribution assemblies.
• Advanced electronic protection supports selective coordination and continuity of service.

Key Features

• ABB SACE Tmax XT series.
• XT7 frame size.
• XT7H high-breaking-capacity performance class.
• 1250 A rated current.
• 3-pole configuration.
• Ekip Hi-Touch LSI solid-state electronic release.
• Long-time, short-time and instantaneous protection.
• 70 kA interruption class.
• Fixed circuit-breaker execution.
• Front terminal connection arrangement.
• Lever operating mechanism.
• Designed for AC low-voltage electrical distribution systems.

Advanced Protection for High-Current Power Distribution

Moulded-case circuit breakers such as the ABB Tmax XT7 protect electrical distribution systems by automatically interrupting current when abnormal operating conditions occur. The electronic trip system monitors the circuit and initiates disconnection when configured overload or short-circuit thresholds are exceeded, helping prevent damage to conductors, busbars, switchgear and connected equipment.

The Ekip Hi-Touch LSI release combines advanced long-time, selective short-time and instantaneous protection functions for demanding power-distribution applications. Together with the XT7H high-breaking-capacity platform, this makes the 1SDA100920R1 particularly suitable for coordinated industrial networks where high prospective fault currents, accurate protection settings, selectivity and continuity of service are important.

Typical Applications

• Main and feeder protection in low-voltage switchboards.
• Industrial power distribution systems.
• Commercial and infrastructure electrical installations.
• Transformer and distribution feeder protection.
• Generator and plant electrical distribution systems.
• Motor control centres and industrial switchgear assemblies.
• High-current production machinery and process plants.