1SDA056889R1 ABB E4V3200 PR121/P-LSI 3200A 4-Pole Fixed Air Circuit Breaker

Why Choose the ABB E4V3200 PR121/P-LSI 3200A Air Circuit Breaker?

The ABB 1SDA056889R1, extended product type E4V3200PR121/P-LSIIn=3200A4pFHR, is a high-performance SACE Emax air circuit breaker (ACB) designed for protection and switching in demanding low-voltage electrical distribution systems. Part of the ABB SACE Emax E4 series, this V-performance circuit breaker combines a 3200 A current rating with the PR121/P-LSI electronic overcurrent release.

The E4V3200 is engineered for high-current industrial and commercial power distribution applications where dependable protection against overloads and short circuits is essential. Its PR121/P-LSI R3200 electronic trip unit provides long-time, short-time and instantaneous protection functions, helping safeguard cables, switchgear and connected electrical equipment while supporting selective protection within distribution networks.

With a rated current of 3200 A and the high short-circuit performance of the E4V platform, this SACE Emax breaker is well suited to substantial power distribution installations. This version features a four-pole fixed configuration with rear horizontal terminals and is supplied with four auxiliary contacts and open/closed circuit-breaker position indication.

Key Advantages

• High-performance ABB SACE Emax air circuit breaker for demanding low-voltage distribution systems.
• 3200 A rated current for high-current industrial and commercial installations.
• PR121/P-LSI electronic overcurrent release with long-time, short-time and instantaneous protection.
• High V-performance short-circuit capability for installations with substantial prospective fault currents.
• Four-pole fixed configuration for three-phase systems requiring neutral switching.
• Rear horizontal terminals for integration into compatible switchboard arrangements.
• Four auxiliary contacts and open/closed circuit-breaker position indication.

Key Features

• ABB SACE Emax E4V series.
• 3200 A rated current.
• Four-pole configuration.
• Fixed version.
• Rear horizontal terminals.
• PR121/P-LSI R3200 electronic trip unit.
• Long-time overload protection.
• Short-time short-circuit protection for selective coordination.
• Instantaneous short-circuit protection.
• High-breaking-capacity V-performance Emax design.
• Four auxiliary contacts fitted.
• Open/closed circuit-breaker position indication.

Reliable Protection for High-Current Power Distribution

Air circuit breakers such as the ABB SACE Emax E4V3200 protect low-voltage distribution networks by interrupting potentially damaging currents when overload or short-circuit conditions occur. The E4V platform combines a high continuous current rating with substantial short-circuit performance, making it suitable for main switchboards, industrial distribution systems and installations where high prospective fault currents must be safely controlled.

The PR121/P-LSI electronic release provides three complementary protection functions. Long-time protection responds to sustained overloads, short-time protection supports selective coordination between protective devices, and instantaneous protection provides rapid interruption during severe short-circuit faults. The fixed four-pole construction and rear horizontal terminals enable straightforward integration into compatible high-capacity low-voltage switchgear.

Typical Applications

• Main low-voltage electrical distribution switchboards.
• Industrial power distribution systems.
• High-current switchgear assemblies.
• Transformer secondary protection and distribution.
• Manufacturing and process plants.
• Commercial and infrastructure electrical distribution.
• High-fault-level installations requiring substantial short-circuit performance.