1SDA057741R1 ABB E3V-A 1600 PR122/P-LSIG 1600 A 3P Air Circuit Breaker Moving Part

Why Choose the ABB 1SDA057741R1 E3V-A 1600 Air Circuit Breaker?

The ABB 1SDA057741R1 is a high-performance SACE Emax E3V-A 1600 air circuit breaker moving part designed for protection and switching in demanding low-voltage power-distribution systems. This UL three-pole withdrawable configuration has a rated current of 1600 A and incorporates the PR122/P-LSIG R1600 electronic overcurrent release for comprehensive circuit protection.

As part of the ABB SACE Emax family, the E3V-A combines high interruption performance with electronic protection against overload, short-circuit and ground-fault conditions. The PR122/P-LSIG release provides long-time, short-time, instantaneous and ground-fault protection functions, supporting selective protection and dependable operation across critical industrial and commercial power-distribution networks.

This specific version is the three-pole withdrawable moving part of the E3V-A 1600 air circuit breaker. The R1600 release has an instantaneous reference current of 24,000 A, while four auxiliary contacts and open/closed circuit-breaker position indication provide useful signalling for switchboard control and monitoring.

Key Advantages

• High-performance ABB SACE Emax E3V-A air circuit breaker moving part.
• 1600 A rated current for demanding high-current distribution systems.
• Three-pole withdrawable configuration for three-phase electrical networks.
• Advanced PR122/P-LSIG R1600 electronic overcurrent release.
• LSIG protection provides long-time, short-time, instantaneous and ground-fault functions.
• 24,000 A instantaneous reference current.
• Withdrawable construction supports convenient inspection, servicing and switchgear maintenance.
• Four auxiliary contacts support signalling and control integration.

Key Features

• ABB SACE Emax E3V-A 1600 air circuit breaker moving part.
• 1600 A rated current.
• Three poles.
• Withdrawable moving-part execution.
• PR122/P-LSIG R1600 electronic trip unit.
• Long-time (L) overload protection.
• Short-time (S) short-circuit protection.
• Instantaneous (I) short-circuit protection.
• Ground-fault (G) protection.
• 24,000 A instantaneous reference current.
• Four auxiliary contacts.
• Open/closed circuit-breaker position indication.
• UL configuration for low-voltage power-distribution applications.

Reliable Circuit Protection for High-Performance Power Distribution

Air circuit breakers protect low-voltage power systems by interrupting current when overloads, short circuits or other abnormal electrical conditions occur. Accurate electronic protection helps safeguard cables, busbars, transformers and connected equipment while supporting selective coordination and continuity throughout the electrical distribution network.

The ABB PR122/P-LSIG release provides comprehensive LSIG protection for demanding electrical systems. Combined with the withdrawable SACE Emax E3V-A construction, the 1SDA057741R1 is particularly suited to switchgear where advanced protection, high interruption performance, serviceability and dependable operation are required.

Typical Applications

• Industrial low-voltage switchboards.
• Main incoming and distribution circuit protection.
• Withdrawable power-distribution switchgear.
• High-current feeder protection.
• Manufacturing and process-industry electrical systems.
• Three-phase industrial distribution networks.
• Commercial and infrastructure power installations.
• Generator and transformer distribution systems.