1SDA070965R1 ABB E2.2S 1250 Ekip Touch LSI 3p F HR Air Circuit Breaker

Why Choose the ABB E2.2S 1250 Ekip Touch LSI 3p F HR Air Circuit Breaker?

The ABB 1SDA070965R1, designated E2.2S 1250 Ekip Touch LSI 3p F HR, is a high-performance three-pole air circuit breaker (ACB) designed for advanced switching, protection and monitoring in low-voltage power distribution systems. As part of the ABB SACE Emax 2 series, it combines a 1250 A rated uninterrupted current with the Ekip Touch LSI electronic trip unit for comprehensive overload and short-circuit protection.

The E2.2S is engineered for demanding industrial, commercial and infrastructure installations where high breaking performance, selectivity and advanced electronic protection are required. Its Ekip Touch LSI release provides long-time overload (L), short-time selective short-circuit (S) and instantaneous short-circuit (I) protection, allowing effective coordination between protective devices throughout the electrical distribution system.

With a rated uninterrupted current of 1250 A, a rated ultimate short-circuit breaking capacity of 85 kA and a rated short-time withstand current of 66 kA, the 1SDA070965R1 provides robust protection for demanding electrical networks. This configuration is a fixed, three-pole circuit breaker with horizontal rear terminals, making it suitable for permanent integration into low-voltage switchboards and switchgear assemblies.

Key Advantages

• High-performance ABB SACE Emax 2 air circuit breaker for demanding low-voltage power distribution.
• 1250 A rated uninterrupted current for high-current industrial and commercial installations.
• 85 kA short-circuit breaking capacity provides robust protection against substantial prospective fault currents.
• 66 kA short-time withstand current supports selective coordination within complex distribution networks.
• Ekip Touch LSI electronic trip unit provides overload, selective short-circuit and instantaneous short-circuit protection.
• Short-time protection enables improved selectivity between upstream and downstream protective devices.
• Ekip Touch interface provides convenient access to protection settings, measurements and operating information.
• Expandable Ekip architecture supports compatible communication, signalling and power-management functions.
• Fixed three-pole construction with horizontal rear terminals for switchboard installation.

Key Features

• ABB SACE Emax 2 E2.2S series.
• 1250 A rated uninterrupted current (Iu).
• Three-pole configuration.
• 85 kA rated ultimate short-circuit breaking capacity.
• 66 kA rated short-time withstand current.
• Ekip Touch LSI electronic protection release.
• Long-time overload (L) protection.
• Short-time selective short-circuit (S) protection.
• Instantaneous short-circuit (I) protection.
• 500–1250 A long-time protection setting range.
• 1875–18750 A short-circuit protection setting range.
• Ekip Touch interface for protection configuration, measurement and monitoring.
• Fixed circuit-breaker construction.
• Horizontal rear terminal configuration.
• Expandable functionality through compatible ABB Ekip accessories and modules.

Advanced Selective Protection for Low-Voltage Power Distribution

Air circuit breakers such as the ABB SACE Emax 2 E2.2S provide switching, isolation and protection for high-current low-voltage electrical distribution systems. The E2.2S performance level combines high short-circuit interruption capability with strong short-time withstand performance, helping protect cables, busbars, transformers, switchgear and connected equipment while supporting selective coordination across the electrical network.

The Ekip Touch LSI electronic trip unit combines long-time overload, short-time selective short-circuit and instantaneous short-circuit protection. The inclusion of short-time protection makes the LSI configuration particularly suitable for systems where discrimination between upstream and downstream protective devices is important, while the modular Ekip platform supports compatible accessories and additional communication, signalling and power-management functionality.

Typical Applications

• Main low-voltage electrical distribution boards.
• Industrial switchboards and switchgear assemblies.
• Manufacturing and process plants.
• Commercial building power distribution.
• Infrastructure electrical systems.
• Data centres and critical power installations.
• Transformer secondary distribution.
• High-current incoming supply protection.
• Feeder protection requiring selective coordination.