1SDA060949R1 ABB E1N-A 1200 PR121/P-LI 1200 A 3-Pole Withdrawable Air Circuit Breaker

Why Choose the ABB E1N-A 1200 PR121/P-LI 1SDA060949R1 Air Circuit Breaker?

The ABB E1N-A 1200 PR121/P-LI, order code 1SDA060949R1, is a robust SACE Emax air circuit breaker (ACB) moving part designed for protection and switching in low-voltage electrical distribution systems. As part of the ABB New Emax E1 series, it combines a 1200 A rated current with electronic overcurrent protection and a withdrawable construction suited to industrial, commercial and infrastructure power-distribution applications.

This three-pole breaker is equipped with an ABB PR121/P-LI electronic overcurrent release, providing long-time overload and instantaneous short-circuit protection. These LI protection functions help safeguard electrical installations against sustained overcurrents and severe short-circuit conditions while providing dependable electronic protection for important distribution circuits.

With a rated current of 1200 A and a three-pole withdrawable configuration, the E1N-A 1200 is designed as the moving part of a compatible SACE Emax draw-out circuit breaker installation. Its withdrawable construction facilitates isolation, inspection and maintenance within low-voltage switchgear, making it suitable for incoming supplies, feeders and distribution circuits where serviceability and reliable circuit protection are required.

Key Advantages

• Robust ABB SACE Emax air circuit breaker moving part for low-voltage power distribution.
• 1200 A rated current suitable for substantial industrial and commercial electrical loads.
• Advanced PR121/P-LI electronic overcurrent release for dependable circuit protection.
• LI functionality provides long-time overload and instantaneous short-circuit protection.
• Three-pole withdrawable construction supports convenient isolation, inspection and maintenance.
• Designed for integration into compatible ABB SACE Emax draw-out switchgear installations.

Key Features

• ABB SACE Emax E1N-A series.
• 1200 A rated current.
• Three-pole configuration.
• Withdrawable moving-part version.
• PR121/P-LI electronic overcurrent release.
• Long-time overload protection (L).
• Instantaneous short-circuit protection (I).
• Electronic trip technology for reliable overcurrent protection.
• Withdrawable construction for serviceable low-voltage switchgear installations.

Reliable Circuit Protection for Power Distribution

Air circuit breakers such as the ABB SACE Emax E1N-A provide switching and protection for high-current low-voltage distribution circuits. By combining a robust circuit-breaking mechanism with an electronic protection release, the breaker can detect abnormal electrical conditions and disconnect the affected circuit to help protect conductors, switchgear and connected equipment.

The PR121/P-LI trip unit provides long-time protection against sustained overload conditions together with instantaneous protection against severe short-circuit currents. Combined with the 1200 A current rating and withdrawable E1N-A construction, these functions provide a practical solution for distribution systems requiring dependable electronic overcurrent protection together with convenient circuit-breaker isolation and maintenance.

Typical Applications

• Industrial low-voltage switchboards and distribution systems.
• Main incoming circuit protection.
• High-current electrical feeder protection.
• Power distribution in manufacturing facilities.
• Commercial and infrastructure electrical installations.
• Industrial plant power distribution.
• Draw-out switchgear requiring electronic LI protection.