1SDA059400R1 ABB E3S1000 PR122/P-LI 1000 A 4-Pole Withdrawable Air Circuit Breaker

Why Choose the ABB 1SDA059400R1 E3S1000 Air Circuit Breaker?

The ABB 1SDA059400R1 is a high-performance SACE Emax E3S air circuit breaker (ACB) designed for reliable protection, switching and isolation in demanding low-voltage electrical distribution systems. Identified by ABB as E3S1000PR122/P-LIIn=1000A4pWM, this four-pole withdrawable circuit breaker moving part combines a 1000 A rated current with the advanced PR122/P-LI electronic overcurrent release.

As part of the ABB New Emax product family, the E3S1000 is engineered for industrial, commercial and infrastructure power distribution applications. The PR122/P-LI electronic trip unit provides long-time overload and instantaneous short-circuit protection, helping protect distribution circuits and connected equipment against damaging overcurrent conditions.

The 1SDA059400R1 is supplied as a four-pole withdrawable moving part for use within a compatible ABB SACE Emax switchgear assembly. Rated for operation up to 690 V AC, it provides a rated ultimate short-circuit breaking capacity of 75 kA across its specified AC operating-voltage range and is fitted with four auxiliary contacts plus circuit-breaker open/closed position indication.

Key Advantages

• Heavy-duty ABB SACE Emax E3S air circuit breaker for low-voltage power distribution.
• 1000 A rated current for high-current electrical installations.
• Four-pole configuration for systems requiring switching of the neutral conductor.
• Withdrawable moving-part design for convenient isolation, servicing and maintenance.
• Advanced PR122/P-LI electronic overcurrent release.
• 75 kA rated ultimate short-circuit breaking capacity across the specified 220–690 V AC range.
• Provides long-time overload and instantaneous short-circuit protection.
• Four auxiliary contacts and open/closed position indication support switchboard control and monitoring.

Key Features

• ABB SACE New Emax E3S series.
• 1000 A rated current.
• Four-pole construction.
• Withdrawable version.
• Supplied as the moving part (MP).
• PR122/P electronic trip unit.
• LI protection functions: long-time overload and instantaneous short-circuit protection.
• 690 V AC rated operational voltage.
• 1000 V rated insulation voltage.
• 12 kV rated impulse withstand voltage.
• 75 kA rated ultimate and service short-circuit breaking capacity.
• 75 kA short-time withstand current for 1 s.

Reliable Circuit Protection for Power Distribution

Air circuit breakers such as the ABB SACE Emax E3S protect high-current low-voltage distribution systems against overload and short-circuit conditions. Their robust switching mechanisms and electronic protection technology make them suitable for important incoming and feeder circuits within industrial, commercial and infrastructure electrical installations.

The PR122/P-LI electronic trip unit provides long-time overload and instantaneous short-circuit protection. Combined with the four-pole withdrawable construction, the 1SDA059400R1 provides a serviceable solution for switchboards requiring dependable electrical protection, high fault interruption capability, neutral switching and convenient breaker isolation for maintenance.

Typical Applications

• Main low-voltage electrical distribution switchboards.
• Industrial power distribution systems.
• Commercial building electrical infrastructure.
• Manufacturing and process plants.
• Transformer secondary distribution systems.
• Generator distribution systems.
• Main incomer and high-current feeder protection.
• Four-pole withdrawable switchgear requiring neutral switching.