1SDA073133R1 ABB E4.2S 3200 Ekip Dip LSIG 4P Air Circuit Breaker

Why Choose the ABB 1SDA073133R1 E4.2S 3200 Ekip Dip LSIG Air Circuit Breaker?

The ABB 1SDA073133R1 is a high-performance SACE Emax 2 E4.2S air circuit breaker moving part designed for protection and switching in demanding low-voltage power distribution systems. This four-pole withdrawable unit has a rated uninterrupted current of 3200 A and incorporates an Ekip Dip LSIG electronic trip unit providing long-time overload, short-time short-circuit, instantaneous short-circuit and ground-fault protection.

As part of the ABB SACE Emax 2 range, the E4.2S combines high-current switching capability with configurable electronic protection and service-friendly withdrawable construction. The Ekip Dip LSIG release uses straightforward DIP-switch adjustment for its principal protection settings, while short-time and ground-fault functions support selective and comprehensive protection across industrial and infrastructure distribution networks.

With a rated operational voltage of 690 V AC, an ultimate short-circuit breaking capacity of 85 kA at 380–440 V AC and 66 kA at 500–690 V AC, the E4.2S 3200 provides robust fault interruption for high-current installations. Its four-pole configuration, integrated ground-fault protection and withdrawable moving-part design make it well suited to main distribution, transformer, generator and critical power applications.

Key Advantages

• High-capacity 3200 A SACE Emax 2 air circuit breaker for demanding low-voltage power distribution.
• Ekip Dip LSIG electronic trip unit provides long-time, short-time, instantaneous and ground-fault protection.
• 85 kA ultimate short-circuit breaking capacity at 380–440 V AC.
• 66 kA breaking capacity at 500–690 V AC for demanding higher-voltage distribution systems.
• DIP-switch protection adjustment provides straightforward commissioning and configuration.
• Withdrawable moving-part construction supports convenient servicing and replacement in compatible Emax 2 switchgear.

Key Features

• ABB SACE Emax 2 E4.2S air circuit breaker moving part.
• 3200 A rated uninterrupted current.
• Four-pole (4P) configuration.
• 690 V AC rated operational voltage.
• 1000 V AC rated insulation voltage.
• 50/60 Hz operating frequency.
• Ekip Dip LSIG electronic protection release.
• Long-time overload protection adjustable from 0.4–1 × In.
• Short-time selective protection adjustable from 0.6–10 × In.
• Instantaneous protection adjustable from 1.5–15 × In.
• Ground-fault protection adjustable from 0.1–1 × In.
• 85 kA Icu at 380–440 V AC.
• 66 kA Icu at 500–690 V AC.
• Withdrawable construction for use with the corresponding SACE Emax 2 fixed part.

Comprehensive LSIG Protection for High-Current Power Distribution

Air circuit breakers such as the ABB SACE Emax 2 protect low-voltage distribution systems against damaging overloads, short circuits and ground faults while providing dependable high-current switching and isolation. The Ekip Dip LSIG release combines adjustable long-time, short-time, instantaneous and ground-fault protection, enabling comprehensive protection of major feeders, incomers and distribution circuits.

The E4.2S platform is engineered for high-current installations requiring dependable short-circuit interruption and selective protection. Its breaking capacity reaches 85 kA at 380–440 V AC and 66 kA at 500–690 V AC, while the withdrawable architecture allows the moving part to be separated from its corresponding fixed chassis for inspection, servicing or replacement.

Typical Applications

• Main incoming protection for high-capacity low-voltage switchboards.
• Industrial power-distribution systems.
• Commercial and infrastructure electrical distribution.
• Transformer and installation protection.
• Generator and critical power-distribution systems.
• High-current feeders requiring selective overload, short-circuit and ground-fault protection.