1SDA072093R1 ABB E1.2B 800 Ekip Dip LSIG 3p WMP Air Circuit Breaker

Why Choose the ABB E1.2B 800 Ekip Dip LSIG 3p WMP Air Circuit Breaker?

The ABB E1.2B 800 Ekip Dip LSIG 3p WMP, order code 1SDA072093R1, is a compact air circuit breaker (ACB) moving part from the ABB SACE Emax 2 series, designed for switching and protection in low-voltage power distribution systems. With a rated current of 800 A, three-pole construction and ABB's Ekip Dip LSIG electronic trip technology, it provides comprehensive circuit protection for industrial, commercial and infrastructure electrical installations.

The Ekip Dip LSIG electronic trip unit provides long-time overload, short-time delayed short-circuit, instantaneous short-circuit and earth-fault protection. Protection thresholds are configured using DIP switches, providing a straightforward interface while supporting the principal protection functions required for selective and dependable low-voltage power distribution.

The 1SDA072093R1 is a withdrawable moving part (WMP) designed for use with the corresponding Emax 2 E1.2 fixed part. The E1.2B performance level provides a rated ultimate short-circuit breaking capacity of 42 kA across 380–690 V AC, combining compact construction with comprehensive LSIG protection and convenient maintainability.

Key Advantages

• Compact 800 A Emax 2 air circuit breaker moving part for low-voltage distribution systems.
• Three-pole construction for three-phase AC electrical networks.
• Ekip Dip LSIG electronic trip unit provides comprehensive overcurrent and earth-fault protection.
• Integrated long-time, short-time, instantaneous and earth-fault protection.
• 42 kA ultimate short-circuit breaking capacity across 380–690 V AC.
• Adjustable long-time protection from 320–800 A.
• Withdrawable moving-part design facilitates isolation, inspection and maintenance when used with the corresponding fixed part.

Key Features

• ABB SACE Emax 2 E1.2B series.
• 800 A rated current.
• Three-pole construction.
• Ekip Dip LSIG electronic trip unit.
• Long-time overload protection.
• Short-time delayed short-circuit protection.
• Instantaneous short-circuit protection.
• Integrated earth-fault protection.
• DIP-switch-based protection adjustment.
• 320–800 A long-time protection adjustment range.
• 1200–12000 A instantaneous protection adjustment range.
• 42 kA Icu at 380–690 V AC.
• Rated operational voltage of 690 V AC.
• Withdrawable moving part for integration with the corresponding Emax 2 fixed part.

Comprehensive LSIG Protection for Low-Voltage Distribution

Air circuit breakers such as the ABB SACE Emax 2 E1.2B provide switching, isolation and protection for low-voltage electrical distribution circuits. The compact E1.2 architecture combines dependable short-circuit performance with a withdrawable design, allowing the breaker moving part to be disconnected from its corresponding fixed part for inspection, maintenance or replacement.

The Ekip Dip LSIG electronic trip unit combines adjustable long-time overload, short-time delayed short-circuit and instantaneous short-circuit protection with integrated earth-fault protection. This comprehensive protection package supports selective distribution system design while protecting electrical circuits against overloads, severe short circuits and earth-fault conditions.

Typical Applications

• Low-voltage power distribution switchboards.
• Industrial electrical distribution systems.
• Commercial building power distribution.
• Manufacturing and process installations.
• Incoming and feeder circuit protection.
• Distribution systems requiring comprehensive LSIG and earth-fault protection.
• Three-phase circuits requiring adjustable electronic protection.
• Withdrawable switchgear requiring convenient isolation and maintenance.