1SDA071616R1 ABB E2.2B 1600 Ekip Touch LSIG 4p FHR Air Circuit Breaker

Why Choose the ABB E2.2B 1600 Ekip Touch LSIG 4p FHR Air Circuit Breaker?

The ABB E2.2B 1600 Ekip Touch LSIG 4p FHR, order code 1SDA071616R1, is a high-performance four-pole air circuit breaker (ACB) from the ABB SACE Emax 2 range, designed for protection and control of low-voltage electrical distribution systems. Combining a 1600 A rated uninterrupted current with the advanced Ekip Touch LSIG electronic trip unit, it provides comprehensive overload, selective short-circuit, instantaneous short-circuit and earth-fault protection for industrial, commercial and infrastructure power distribution applications.

This E2.2B circuit breaker is supplied in a fixed four-pole configuration with rear horizontal flat terminals. Its Ekip Touch LSIG electronic release combines configurable protection functions with an intuitive touch interface, helping operators commission, monitor and manage protection settings while providing comprehensive LSIG protection for the connected distribution circuit.

With a 1600 A rated uninterrupted current and a rated ultimate short-circuit breaking capacity of 42 kA at 400/415 V AC, the 1SDA071616R1 is engineered for substantial low-voltage distribution duties. Its rated operational voltage extends to 690 V AC, with a 42 kA ultimate breaking capacity at 690 V AC and a rated short-time withstand current of 42 kA for 1 second.

Key Advantages

• High-performance ABB SACE Emax 2 air circuit breaker for low-voltage power distribution.
• 1600 A rated uninterrupted current for substantial industrial and commercial electrical loads.
• Four-pole configuration with a neutral pole rated at 100% of uninterrupted current.
• Advanced Ekip Touch LSIG electronic trip unit with overload, selective short-circuit, instantaneous and earth-fault protection.
• 42 kA ultimate breaking capacity at 400/415 V AC for dependable fault interruption.
• 42 kA short-time withstand current for 1 second supports coordinated distribution protection.
• Rated operational voltage up to 690 V AC and suitability for IT networks up to 690 V.
• Fixed installation with rear horizontal flat terminals for switchboard integration.

Key Features

• ABB SACE Emax 2 E2.2B series.
• 1600 A rated uninterrupted current.
• Four-pole air circuit breaker.
• Ekip Touch LSIG electronic protection release.
• Long-time overload protection (L).
• Selective short-circuit protection (S).
• Instantaneous short-circuit protection (I).
• Integrated earth-fault protection (G).
• 42 kA rated ultimate short-circuit breaking capacity at 400/415 V AC.
• 42 kA rated ultimate short-circuit breaking capacity at 690 V AC.
• 42 kA rated short-time withstand current for 1 and 3 seconds.
• 1000 V AC rated insulation voltage.
• 12 kV rated impulse withstand voltage.
• Fixed mounting configuration with rear horizontal flat terminals.
• Suitable for IT networks up to 690 V.

Advanced Circuit Protection for Power Distribution

Air circuit breakers such as the ABB SACE Emax 2 E2.2B provide switching, isolation and protection for high-current low-voltage distribution circuits. They are commonly installed as incoming, outgoing or bus-coupler breakers in electrical switchboards, where dependable interruption of overload, short-circuit and earth-fault currents is essential for protecting equipment and maintaining continuity of supply.

The Ekip Touch LSIG electronic trip unit provides configurable long-time, short-time, instantaneous and earth-fault protection functions through an advanced electronic interface. This comprehensive protection package enables the breaker to respond to sustained overloads, different levels of short-circuit current and earth faults, supporting effective protection coordination throughout modern low-voltage electrical networks.

Typical Applications

• Low-voltage main distribution switchboards.
• Industrial power distribution systems.
• Commercial and infrastructure electrical installations.
• Incoming and outgoing feeder protection.
• Bus-coupler and distribution circuit applications.
• Transformer and generator distribution systems.
• Data centres and critical power distribution systems.
• Manufacturing and process industry switchgear.