1SDA057465R1 ABB E3S-A 1600 PR121/P-LI 1600 A 3-Pole Air Circuit Breaker

Why Choose the ABB 1SDA057465R1 E3S-A 1600 Air Circuit Breaker?

The ABB 1SDA057465R1 is a high-performance SACE Emax E3S-A 1600 air circuit breaker moving part designed for reliable protection and switching in low-voltage industrial power distribution systems. As part of the proven ABB SACE Emax series, this three-pole withdrawable circuit breaker incorporates a PR121/P-LI electronic overcurrent release for dependable long-time and instantaneous protection.

Designed for demanding electrical distribution applications, the E3S-A 1600 combines a robust air circuit breaker platform with electronic protection and withdrawable construction. The PR121/P-LI release provides LI protection functions, while the breaker is supplied with four auxiliary contacts and circuit-breaker open/closed position indication to support monitoring and integration within switchboards and control systems.

With a rated current of 1600 A, three-pole configuration and PR121/P-LI R1600 overcurrent release, the 1SDA057465R1 is suited to high-current power distribution, switchgear and industrial electrical installations requiring dependable circuit protection. Its moving-part design is intended for use with the corresponding SACE Emax withdrawable circuit-breaker installation.

Key Advantages

• Heavy-duty ABB SACE Emax air circuit breaker for industrial power distribution.
• 1600 A rated current for high-current electrical systems.
• Three-pole configuration for three-phase installations.
• Electronic PR121/P-LI overcurrent release providing long-time and instantaneous protection.
• Withdrawable moving-part construction supports switchboard servicing and maintenance.
• Supplied with four auxiliary contacts for status signalling and control.
• Integrated circuit-breaker open/closed position indication.
• Robust SACE Emax platform engineered for demanding industrial applications.

Key Features

• ABB SACE Emax E3S-A 1600 series.
• 1600 A rated current.
• PR121/P-LI R1600 electronic overcurrent release.
• LI protection functions for long-time and instantaneous overcurrent protection.
• Three-pole circuit-breaker configuration.
• Withdrawable moving part for SACE Emax switchgear assemblies.
• Four auxiliary contacts fitted as standard on this configuration.
• Open/closed circuit-breaker position indication.
• Designed for AC low-voltage power distribution.
• ABB order code 1SDA057465R1.

Reliable Circuit Protection for Power Distribution

Air circuit breakers such as the ABB SACE Emax provide switching and overcurrent protection for high-current low-voltage electrical distribution systems. They help protect cables, busbars, switchgear and connected equipment against damaging overcurrent conditions while providing a practical means of isolating circuits for operation and maintenance.

The PR121/P-LI electronic release provides long-time and instantaneous protection functions suited to distribution applications where dependable overload and short-circuit protection is required. Combined with the withdrawable SACE Emax construction, the 1SDA057465R1 provides a practical solution for industrial switchboards where maintainability, operational reliability and circuit protection are key requirements.

Typical Applications

• Industrial low-voltage power distribution systems.
• Main and feeder protection in electrical switchboards.
• Manufacturing and process plant electrical distribution.
• Commercial and industrial switchgear assemblies.
• High-current three-phase distribution circuits.
• Power distribution centres and electrical infrastructure.
• Withdrawable SACE Emax circuit-breaker installations.