1SDA060969R1 ABB E1N-A 1200 PR122/P-LSIG 1200 A 3-Pole Withdrawable Air Circuit Breaker

Why Choose the ABB E1N-A 1200 PR122/P-LSIG 1SDA060969R1 Air Circuit Breaker?

The ABB 1SDA060969R1 is an E1N-A 1200 A three-pole withdrawable air circuit breaker moving part from the ABB SACE Emax range, designed for reliable protection and switching in low-voltage electrical distribution systems. Equipped with the advanced PR122/P-LSIG electronic overcurrent release, it provides comprehensive long-time, short-time, instantaneous and earth-fault protection for demanding industrial and commercial power distribution applications.

As part of the ABB New Emax product family, the E1N-A combines robust circuit-breaking performance with sophisticated electronic protection and a withdrawable construction that supports efficient inspection, maintenance and replacement. The PR122/P trip unit provides configurable protection functions for effective system coordination, while the moving-part design is intended for integration with a compatible Emax fixed part.

This model has a rated current of 1200 A and a three-pole withdrawable configuration. ABB identifies the device as E1N-A 1200 PR122/P LSIG R1200 Im18000 3P W MP UL, combining an R1200 rating plug with an instantaneous setting reference of 18000 A for demanding low-voltage distribution applications.

Key Advantages

• Robust ABB SACE Emax air circuit breaker moving part for low-voltage power distribution.
• 1200 A rated current for demanding industrial and commercial installations.
• PR122/P-LSIG electronic trip unit providing comprehensive circuit protection.
• Long-time, short-time, instantaneous and earth-fault protection functions.
• Three-pole withdrawable construction supports convenient switchboard maintenance and servicing.
• R1200 rating plug and electronic protection support effective coordination within electrical distribution systems.

Key Features

• ABB SACE Emax E1N-A series.
• 1200 A rated current.
• Three-pole construction.
• PR122/P electronic overcurrent release.
• LSIG protection functions: long-time, short-time, instantaneous and earth fault.
• R1200 rating plug.
• Im 18000 A instantaneous setting reference.
• Withdrawable (W) moving portion for use with a compatible Emax fixed part.
• Fitted with four auxiliary contacts and open/closed position indication.
• Designed for low-voltage switchboards and power distribution assemblies.

Reliable Circuit Protection for Power Distribution

Air circuit breakers such as the ABB E1N-A are designed to protect low-voltage electrical distribution systems against overloads, short circuits and earth faults. The Emax platform combines high-current switching capability with electronic protection, making it suitable for main distribution boards, industrial switchgear and other installations where dependable circuit protection is essential.

The PR122/P-LSIG release provides long-time protection against sustained overloads, short-time protection for system selectivity, instantaneous protection against severe short circuits and earth-fault protection. Combined with the withdrawable Emax construction, these functions provide a flexible and serviceable solution for sophisticated low-voltage power distribution systems.

Typical Applications

• Low-voltage main distribution switchboards.
• Industrial power distribution systems.
• Commercial building electrical distribution.
• Manufacturing and process plant switchgear.
• Power distribution and control panels.
• Withdrawable switchboard installations requiring 1200 A circuit protection.