1SDA071423R1 ABB E1.2C 1000 Ekip Dip LSIG 4p F F Air Circuit Breaker 1000 A

Why Choose the ABB E1.2C 1000 Ekip Dip LSIG 4p F F Air Circuit Breaker?

The ABB E1.2C 1000 Ekip Dip LSIG 4p F F, order code 1SDA071423R1, is a compact four-pole air circuit breaker (ACB) designed for comprehensive protection of low-voltage power distribution systems. Part of the ABB SACE Emax 2 series, this fixed circuit breaker combines a 1000 A rated current, robust short-circuit performance and an Ekip Dip LSIG electronic protection release.

The integrated Ekip Dip LSIG electronic trip unit provides long-time overload, short-time short-circuit, instantaneous short-circuit and earth-fault protection. Adjustable protection settings allow the breaker to be coordinated with other protective devices, supporting selective fault isolation while providing dedicated protection against earth-fault conditions.

With a rated operational voltage of 690 V AC, rated insulation voltage of 1000 V AC and an ultimate short-circuit breaking capacity of 50 kA at 400/415 V AC, the E1.2C 1000 provides dependable protection in a compact Emax 2 frame. This version features a four-pole fixed configuration with front terminals for integration into three-phase four-wire switchboards and power distribution assemblies.

Key Advantages

• Compact ABB SACE Emax 2 air circuit breaker for low-voltage power distribution.
• 1000 A rated current for industrial, commercial and infrastructure installations.
• 50 kA Icu at 400/415 V AC for dependable short-circuit interruption.
• 42 kA Icw for 1 s supports selective protection and short-time current withstand.
• Ekip Dip LSIG electronic protection release provides comprehensive overcurrent and earth-fault protection.
• Adjustable long-time, short-time, instantaneous and earth-fault protection settings.
• Four-pole fixed construction supports three-phase four-wire distribution systems.
• Front terminals provide straightforward integration into low-voltage switchboards.

Key Features

• ABB SACE Emax 2 E1.2C series.
• 1000 A rated current.
• 690 V AC rated operational voltage.
• 1000 V AC rated insulation voltage.
• 12 kV rated impulse withstand voltage.
• 50 kA ultimate short-circuit breaking capacity at 400/415 V AC.
• 42 kA ultimate short-circuit breaking capacity at 690 V AC.
• Ekip Dip LSIG electronic protection release.
• Long-time overload (L), short-time short-circuit (S), instantaneous short-circuit (I) and earth-fault (G) protection.
• DIP-switch adjustment for straightforward protection configuration.
• Four-pole fixed construction with front main circuit terminals.
• Designed in accordance with IEC 60947-2.

Comprehensive Protection for Low-Voltage Distribution Systems

Air circuit breakers such as the ABB Emax 2 E1.2C provide switching and protection for low-voltage electrical distribution systems. By detecting overload, short-circuit and earth-fault conditions and interrupting fault current, the breaker helps protect switchboards, cables, busbars and connected electrical equipment while supporting dependable operation of the wider electrical installation.

The Ekip Dip LSIG release combines adjustable long-time overload, short-time short-circuit, instantaneous short-circuit and earth-fault protection. Short-time protection supports selective coordination between protective devices, while the integrated earth-fault function provides additional protection against faults involving earth, making this configuration well suited to distribution systems requiring comprehensive electronic protection.

Typical Applications

• Low-voltage main and sub-distribution switchboards.
• Industrial power distribution systems.
• Commercial building electrical distribution.
• Three-phase four-wire distribution networks.
• Transformer secondary-side protection.
• Manufacturing and process industry installations.
• Infrastructure and utility distribution systems.
• Power distribution panels requiring selective protection and earth-fault detection.