1SDA071550R1 ABB Emax 2 E2.2H 800A Ekip G Hi-Touch LSIG 4P FHR Air Circuit Breaker

Why Choose the ABB 1SDA071550R1 Emax 2 Air Circuit Breaker?

The ABB 1SDA071550R1 is a high-performance SACE Emax 2 E2.2H air circuit breaker (ACB) designed for advanced protection, monitoring and control of demanding low-voltage generator and electrical distribution systems. Rated at 800 A, this fixed four-pole circuit breaker combines ABB’s E2.2H high-breaking-capacity frame with the sophisticated Ekip G Hi-Touch LSIG electronic trip unit.

The Ekip G Hi-Touch LSIG release provides long-time overload, selective short-time, instantaneous short-circuit and ground-fault protection together with specialised generator protection functions. Integrated Ekip Measuring Pro and Network Analyzer functionality extends the breaker beyond conventional circuit protection by providing advanced electrical measurement and real-time power-quality monitoring.

With a rated uninterrupted current of 800 A, rated operational voltage of 690 V AC and rated ultimate short-circuit breaking capacity of 100 kA at 380–440 V AC, the 1SDA071550R1 delivers exceptional fault-clearing performance. This version features a fixed four-pole configuration with rear flat horizontal terminals, making it particularly suitable for generator switchboards, critical-power installations and high-fault-level distribution systems.

Key Advantages

• High-performance 800 A air circuit breaker for generator and demanding low-voltage distribution applications.
• Exceptional 100 kA ultimate short-circuit breaking capacity at 380–440 V AC.
• Maintains 85 kA Icu at 500–690 V AC for high-voltage low-voltage networks.
• Advanced Ekip G Hi-Touch LSIG electronic trip unit with specialised generator protection functions.
• LSIG functionality provides long-time, short-time, instantaneous and ground-fault protection.
• Integrated Ekip Measuring Pro provides advanced electrical measurement capabilities.
• Integrated Network Analyzer supports real-time power-quality monitoring.
• Fixed four-pole configuration with rear flat horizontal terminals supports efficient switchboard busbar integration.

Key Features

• ABB SACE Emax 2 E2.2H air circuit breaker.
• 800 A rated uninterrupted current.
• 690 V AC rated operational voltage.
• 1000 V AC rated insulation voltage.
• 100 kA Icu at 380–440 V AC.
• 85 kA Icu at 500–690 V AC.
• Ekip G Hi-Touch LSIG electronic release.
• Long-time overload, selective short-time, instantaneous short-circuit and ground-fault protection.
• Adjustable overload protection from 320–800 A.
• Adjustable short-time protection from 480–8000 A.
• Adjustable instantaneous protection from 1200–12,000 A.
• Adjustable ground-fault protection from 0.1–1 × In.
• Specialised protection functions for generator applications.
• Integrated Ekip Measuring Pro measurement module.
• Integrated Network Analyzer for real-time power-quality supervision.
• Touch-sensitive interface for protection configuration and monitoring.
• Fixed four-pole construction.
• Rear flat horizontal terminals for main circuit connections.
• Designed in accordance with IEC 60947-2.

Advanced Generator and High-Fault-Level Distribution Protection

The ABB SACE Emax 2 E2.2H is engineered for electrical systems where substantial prospective fault currents demand exceptional interruption capability. The 1SDA071550R1 combines an 800 A continuous-current rating with 100 kA ultimate short-circuit breaking capacity at 380–440 V AC and 85 kA capability at 500–690 V AC, making it suitable for demanding generator and critical-power distribution networks.

The Ekip G Hi-Touch LSIG trip unit extends conventional LSIG protection with functions developed specifically for generator applications. Ekip Measuring Pro and Network Analyzer functionality provide advanced electrical measurement and real-time power-quality supervision, helping operators protect, analyse and manage sophisticated low-voltage power systems from a single circuit-breaker platform.

Typical Applications

• Generator protection and generator switchboards.
• Emergency and standby generating systems.
• High-fault-level main incoming circuits.
• Industrial electrical distribution systems.
• Transformer and generator protection.
• Manufacturing and process facilities.
• Data centres and critical-power installations.
• Infrastructure and intelligent low-voltage distribution systems.