1SDA059226R1 ABB E1N 1000A 3-Pole Withdrawable Air Circuit Breaker Moving Part PR122/P-LI

Why Choose the ABB 1SDA059226R1 E1N 1000 PR122/P-LI Air Circuit Breaker?

The ABB 1SDA059226R1 is a SACE Emax E1N 1000 air circuit breaker moving part designed for protection and switching in demanding low-voltage power distribution systems. Rated at 1000 A, this three-pole withdrawable breaker is equipped with an ABB PR122/P-LI R1000 electronic overcurrent release for dependable overload and short-circuit protection.

As part of the ABB SACE Emax range, the E1N 1000 provides high-current switching and protection for industrial, commercial and infrastructure switchboards. The 1SDA059226R1 is supplied as the withdrawable moving part (W MP) for use with the corresponding compatible fixed part and includes four auxiliary contacts for circuit-breaker open/closed position indication.

The integrated PR122/P-LI release provides long-time and instantaneous protection functions. With a rated current of 1000 A, three-pole construction and withdrawable design, the 1SDA059226R1 provides a serviceable protection solution for substantial three-phase low-voltage distribution circuits.

Key Advantages

• 1000 A rated current for substantial low-voltage distribution loads.
• PR122/P-LI electronic overcurrent release provides long-time and instantaneous protection.
• Three-pole configuration for three-phase electrical distribution systems.
• Withdrawable moving-part construction supports inspection, servicing and breaker replacement.
• E1N performance level provides enhanced short-circuit capability within the SACE Emax E1 platform.
• Four auxiliary contacts provide circuit-breaker open/closed position indication.
• Designed for use with the corresponding compatible ABB SACE Emax fixed part.
• Suitable for demanding industrial, commercial and infrastructure power distribution systems.

Key Features

• ABB SACE Emax E1N 1000 air circuit breaker moving part.
• 1000 A rated current (In).
• Three-pole construction.
• Withdrawable version.
• Supplied as the moving part (MP).
• Electronic PR122/P-LI R1000 overcurrent release.
• LI protection functions: long-time and instantaneous.
• Four auxiliary contacts.
• Open/closed circuit-breaker position indication.
• Designed for maintainable high-current low-voltage switchgear installations.

Advanced Electronic Protection with Withdrawable Switchgear

Air circuit breakers protect and control high-current low-voltage distribution circuits by interrupting overload and short-circuit faults while providing switching and isolation capability. The withdrawable construction of the ABB 1SDA059226R1 allows the breaker moving part to be disconnected and removed from its compatible fixed assembly, supporting maintenance, inspection and replacement within serviceable switchboards.

The PR122/P-LI R1000 electronic overcurrent release provides long-time protection against sustained overload conditions and instantaneous protection against severe short-circuit faults. Combined with the 1000 A rating, three-pole E1N construction and auxiliary position contacts, the 1SDA059226R1 provides dependable protection and operational flexibility for demanding power distribution applications.

Typical Applications

• Main low-voltage distribution switchboards.
• Industrial power distribution systems.
• High-current feeder protection.
• Transformer and installation protection.
• Manufacturing and process plant switchgear.
• Commercial building electrical distribution.
• Infrastructure and utility distribution assemblies.
• Withdrawable low-voltage switchgear installations.