1SDA071328R1 ABB E1.2N 250 Ekip Hi-Touch LSI 4-Pole Air Circuit Breaker

Why Choose the ABB 1SDA071328R1 E1.2N 250 Ekip Hi-Touch LSI Air Circuit Breaker?

The ABB 1SDA071328R1 is a compact, high-performance SACE Emax 2 E1.2N air circuit breaker designed for protection, switching and advanced monitoring in low-voltage power distribution systems. Rated at 250 A, this four-pole fixed breaker combines the compact E1.2 frame with ABB's advanced Ekip Hi-Touch LSI electronic trip unit.

The Ekip Hi-Touch LSI release provides long-time overload (L), short-time selective short-circuit (S) and instantaneous short-circuit (I) protection. The Hi-Touch platform combines sophisticated protection, measurement and monitoring capabilities with an intuitive touchscreen interface, making the breaker suitable for installations requiring precise protection settings and enhanced electrical system supervision.

The 1SDA071328R1 is supplied in a fixed four-pole configuration with front connections. The E1.2N 250 frame provides an ultimate short-circuit breaking capacity of 66 kA at 440 V AC and a rated short-time withstand current of 50 kA for 1 s, providing dependable protection for industrial, commercial and infrastructure power distribution systems.

Key Advantages

• Compact 250 A SACE Emax 2 air circuit breaker for low-voltage power distribution.
• E1.2N frame combines compact dimensions with robust short-circuit performance.
• Advanced Ekip Hi-Touch LSI electronic protection release.
• Long-time, short-time and instantaneous protection functions support selective system protection.
• 66 kA ultimate short-circuit breaking capacity at 440 V AC.
• 50 kA short-time withstand current for 1 s.
• Four-pole construction provides switching and protection across all four poles.
• Fixed configuration with front connections for integration into low-voltage switchboards.

Key Features

• ABB SACE Emax 2 E1.2N series.
• 250 A rated uninterrupted current.
• 4-pole fixed configuration.
• Front-connected construction.
• Ekip Hi-Touch LSI electronic trip unit.
• Long-time overload protection (L).
• Short-time selective short-circuit protection (S).
• Instantaneous short-circuit protection (I).
• 66 kA Icu at 440 V AC.
• 50 kA Icw for 1 s.
• Advanced measurement and monitoring capabilities through the Ekip Hi-Touch platform.
• Touchscreen interface for protection configuration and electrical system supervision.
• Designed for compact low-voltage switchgear and distribution assemblies.

Advanced Selective Protection for Low-Voltage Distribution

Air circuit breakers such as the ABB SACE Emax 2 E1.2N provide switching, isolation and fault protection for low-voltage electrical distribution networks. The compact E1.2 frame is designed to deliver substantial short-circuit performance while helping switchboard designers minimise installation space and integrate advanced protection into modern distribution assemblies.

The Ekip Hi-Touch LSI electronic release monitors the electrical circuit and provides configurable long-time overload, short-time selective short-circuit and instantaneous short-circuit protection. Its advanced monitoring and measurement capabilities make the 1SDA071328R1 particularly suitable for power distribution systems where protection selectivity, visibility and dependable operation are important.

Typical Applications

• Low-voltage switchboard incomer protection.
• Industrial power distribution systems.
• Commercial building electrical distribution.
• Feeder and distribution circuit protection.
• Manufacturing and process facilities.
• Data centres and critical infrastructure.
• Transformer secondary distribution systems.
• Compact switchgear and power distribution assemblies.