1SDA072310R1 ABB E2.2N 1250 Ekip G Hi-Touch LSIG 3p WMP Air Circuit Breaker 1250 A

Why Choose the ABB E2.2N 1250 Ekip G Hi-Touch LSIG 3p WMP Air Circuit Breaker?

The ABB E2.2N 1250 Ekip G Hi-Touch LSIG 3p WMP, order code 1SDA072310R1, is a high-performance three-pole air circuit breaker from the ABB SACE Emax 2 range, designed for demanding low-voltage power distribution and generator protection applications. Rated at 1250 A, it combines the E2.2N frame with ABB's advanced Ekip G Hi-Touch LSIG electronic trip unit for comprehensive overload, short-time delayed short-circuit, instantaneous short-circuit and earth-fault protection.

The Ekip G Hi-Touch platform is specifically equipped for advanced generator protection while also providing sophisticated measurement and network analysis capabilities. Its LSIG protection functions provide four complementary protection stages, while integrated Ekip Measuring Pro and Network Analyzer functionality supports detailed monitoring and analysis of electrical system performance.

With a rated uninterrupted current of 1250 A, rated operational voltage of 690 V AC and rated ultimate short-circuit breaking capacity of 66 kA throughout 400–690 V AC, the 1SDA072310R1 provides robust fault interruption capability for critical electrical installations. Its withdrawable moving-part construction enables installation with a compatible E2.2 fixed part and supports efficient inspection, servicing and replacement within electrical switchboards.

Key Advantages

• Advanced ABB SACE Emax 2 air circuit breaker for generator and low-voltage distribution protection.
• 1250 A rated uninterrupted current for demanding industrial and infrastructure installations.
• Three-pole configuration for three-phase AC electrical systems.
• Ekip G Hi-Touch LSIG electronic trip unit with generator-specific protection functions.
• LSIG functions provide long-time overload, short-time delayed, instantaneous short-circuit and earth-fault protection.
• 66 kA Icu throughout 400–690 V AC for consistent high fault interruption capability.
• 66 kA Icw for 1 s and 50 kA for 3 s support selective system coordination.
• Integrated Ekip Measuring Pro measurement functionality.
• Integrated Network Analyzer functionality for advanced electrical network monitoring.
• Withdrawable moving-part construction supports efficient switchgear servicing and maintenance.

Key Features

• ABB SACE Emax 2 E2.2N series.
• 1250 A rated current.
• Three-pole (3P) configuration.
• Ekip G Hi-Touch LSIG electronic release.
• 690 V AC rated operational voltage.
• 1000 V AC rated insulation voltage.
• 12 kV rated impulse withstand voltage.
• 66 kA rated ultimate short-circuit breaking capacity at 400–690 V AC.
• 66 kA rated service short-circuit breaking capacity.
• Ics equal to 100% of Icu.
• 66 kA rated short-time withstand current for 1 s.
• 50 kA rated short-time withstand current for 3 s.
• 0.4–1 × In adjustable long-time overload protection.
• 0.6–10 × In adjustable short-time protection.
• 1.5–15 × In adjustable instantaneous protection.
• 0.1–1 × In adjustable earth-fault protection.
• Four change-over auxiliary contacts for signalling and control.
• Suitable for IT networks up to 690 V.
• Withdrawable moving-part design for compatible ABB Emax 2 switchgear.

Advanced Generator Protection and Network Analysis

The ABB Ekip G Hi-Touch platform is engineered for demanding generator and power distribution applications where sophisticated protection and detailed electrical system monitoring are required. In addition to the fundamental LSIG functions, the trip unit provides generator-specific protection capabilities together with Ekip Measuring Pro and Network Analyzer functionality, helping operators monitor electrical conditions and identify power-quality issues within the network.

Combined with the E2.2N frame, the Ekip G Hi-Touch LSIG release provides comprehensive long-time, short-time delayed, instantaneous and earth-fault protection. Its 66 kA short-circuit breaking capability across the principal 400–690 V AC operating range and substantial short-time withstand ratings make the 1SDA072310R1 particularly suitable for generator incomers, critical distribution boards and installations where protection selectivity and continuity of service are key design requirements.

Typical Applications

• Generator protection and generator incomer circuits.
• Power-generation switchboards.
• Main low-voltage electrical distribution switchboards.
• Industrial power distribution systems.
• Critical and standby power systems.
• Data centre electrical distribution.
• Manufacturing and process plant switchgear.
• Infrastructure and utility installations.
• IT distribution networks up to 690 V.
• Three-phase AC networks requiring advanced LSIG protection, generator protection and power-quality monitoring.