1SDA061225R1 ABB E4L-A 3600 PR122/P-LSIG 3600 A 3-Pole Air Circuit Breaker

Why Choose the ABB E4L-A 3600 PR122/P-LSIG 1SDA061225R1 Air Circuit Breaker?

The ABB 1SDA061225R1 is a high-current E4L-A 3600 A three-pole air circuit breaker from the ABB SACE Emax / New Emax range, engineered for protection and switching in demanding low-voltage power distribution systems. Equipped with the advanced PR122/P-LSIG electronic overcurrent release, it provides long-time, short-time, instantaneous and earth-fault protection for high-capacity industrial and commercial electrical installations.

As part of the ABB New Emax product family, the E4L-A combines robust high-current circuit-breaking technology with sophisticated electronic protection. The PR122/P trip unit provides comprehensive LSIG protection functions, helping safeguard electrical networks against overloads, short circuits and earth faults while supporting effective protection coordination throughout the distribution system.

With a rated current of 3600 A and a three-pole configuration, the E4L-A is designed for high-capacity three-phase distribution. Its E4 frame and L performance class make it suitable for main incoming supplies, large distribution feeders and other applications where dependable high-current circuit protection and advanced fault management are required.

Key Advantages

• High-current ABB SACE Emax air circuit breaker for demanding low-voltage power distribution.
• 3600 A rated current for large industrial, commercial and infrastructure installations.
• PR122/P-LSIG electronic trip unit for advanced overcurrent and earth-fault protection.
• Long-time, short-time, instantaneous and earth-fault protection in one electronic release.
• Three-pole configuration for high-capacity three-phase electrical distribution systems.
• E4L-A platform provides robust circuit protection for demanding high-current switchboard applications.

Key Features

• ABB SACE Emax / New Emax E4L-A series.
• 3600 A rated current.
• Three-pole construction.
• PR122/P electronic overcurrent release.
• LSIG protection functions: long-time, short-time, instantaneous and earth fault.
• E4 frame with L performance class.
• Advanced electronic protection for overload, short-circuit and earth-fault conditions.
• Designed for high-current low-voltage switchboards and power distribution assemblies.

Advanced High-Current Protection for Power Distribution

Air circuit breakers such as the ABB E4L-A provide protection, switching and isolation within high-current low-voltage electrical networks. They are particularly suited to main distribution switchboards and large power distribution assemblies where substantial electrical loads require dependable protection against overload, short-circuit and earth-fault conditions.

The PR122/P-LSIG electronic release provides long-time protection against sustained overloads, short-time protection to support selective coordination, instantaneous protection against severe short circuits and earth-fault protection. Combined with the E4L-A breaker platform, these functions provide comprehensive protection for large industrial plants, infrastructure installations, commercial facilities and other high-capacity low-voltage distribution systems.

Typical Applications

• High-current low-voltage main distribution switchboards.
• Industrial power distribution systems.
• Large commercial and infrastructure electrical installations.
• Manufacturing and process plant switchgear.
• Main incomers and high-capacity distribution feeders.
• Power distribution and control assemblies.
• Three-phase installations requiring 3600 A LSIG circuit protection.