1SDA061159R1 ABB E2H-A 1600 PR122/P-LSIG 1600 A 3-Pole Air Circuit Breaker

Why Choose the ABB E2H-A 1600 PR122/P-LSIG Air Circuit Breaker?

The ABB E2H-A 1600 PR122/P-LSIG, order code 1SDA061159R1, is a high-performance three-pole SACE Emax air circuit breaker designed for protection and control of high-current low-voltage electrical distribution systems. Part of the ABB SACE Emax E2 series, it combines a 1600 A rated current with the advanced PR122/P electronic overcurrent release.

The integrated PR122/P-LSIG electronic trip unit provides long-time, short-time, instantaneous and earth-fault protection functions. These adjustable electronic protection functions support selective coordination and dependable protection of incomers, feeders and other critical circuits in industrial power distribution networks.

With a rated current of 1600 A and a three-pole configuration, the E2H-A 1600 is engineered for demanding three-phase installations. Its robust E2H-A frame and advanced electronic protection make it suitable for switchboards where reliable fault interruption, accurate protection and continuity of electrical service are priorities.

Key Advantages

• High-performance ABB SACE Emax air circuit breaker for low-voltage power distribution.
• 1600 A rated current for high-current industrial applications.
• Advanced PR122/P-LSIG electronic overcurrent release.
• LSIG functionality provides long-time, short-time, instantaneous and earth-fault protection.
• Three-pole configuration for three-phase electrical distribution systems.
• Electronic protection supports accurate settings and selective circuit coordination.
• Robust E2H-A frame designed for demanding industrial switchboard applications.

Key Features

• ABB SACE Emax E2H-A series.
• 1600 A rated current.
• PR122/P-LSIG electronic trip unit.
• Three-pole construction.
• Long-time overload protection.
• Short-time short-circuit protection.
• Instantaneous short-circuit protection.
• Earth-fault protection.
• Advanced electronic protection for selective power distribution.
• Designed for high-current industrial low-voltage systems.

Advanced Protection for Low-Voltage Distribution

Air circuit breakers such as the ABB SACE Emax E2H-A protect high-current electrical distribution circuits against overloads, short circuits and earth faults. The electronic trip unit continuously monitors circuit conditions and initiates interruption when configured current thresholds and time-delay characteristics are reached.

The PR122/P-LSIG release provides comprehensive protection for installations requiring coordinated long-time, short-time, instantaneous and earth-fault functions. Combined with the robust E2H-A platform, it provides dependable protection for critical industrial and commercial power distribution systems.

Typical Applications

• Industrial low-voltage distribution switchboards.
• Main incoming and feeder circuit protection.
• Manufacturing and process facilities.
• Power distribution centres.
• Commercial and infrastructure electrical systems.
• High-current machinery and automation distribution panels.