1SDA072056R1 ABB E1.2B 630 Ekip Touch LSIG 3p WMP Air Circuit Breaker

Why Choose the ABB E1.2B 630 Ekip Touch LSIG 3p WMP Air Circuit Breaker?

The ABB E1.2B 630 Ekip Touch LSIG 3p WMP, order code 1SDA072056R1, is a compact air circuit breaker (ACB) moving part from the ABB SACE Emax 2 series, designed for protection and switching in low-voltage power distribution systems. With a rated uninterrupted current of 630 A, three-pole construction and ABB's advanced Ekip Touch electronic trip technology, it provides comprehensive protection for industrial, commercial and infrastructure electrical installations.

The Ekip Touch LSIG electronic trip unit provides long-time overload, short-time delayed short-circuit, instantaneous short-circuit and earth-fault protection. Its touchscreen interface supports intuitive configuration and access to protection information, while the LSIG functionality enables comprehensive overcurrent and earth-fault protection together with flexible coordination of protective devices.

The 1SDA072056R1 is the withdrawable moving part (WMP) of the Emax 2 E1.2 circuit breaker system and is designed for use with the corresponding fixed part. The E1.2B platform provides a rated ultimate short-circuit breaking capacity of 42 kA at 440 V AC and a rated short-time withstand current of 42 kA for 1 s, combining compact construction, comprehensive LSIG protection and convenient maintainability.

Key Advantages

• Compact 630 A Emax 2 air circuit breaker moving part for low-voltage distribution systems.
• Three-pole construction for three-phase AC electrical networks.
• Advanced Ekip Touch LSIG electronic trip unit with touchscreen configuration.
• Integrated long-time, short-time, instantaneous and earth-fault protection.
• 42 kA ultimate short-circuit breaking capacity at 440 V AC.
• 42 kA short-time withstand current for 1 s supports selective protection strategies.
• 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.
• 630 A rated uninterrupted current.
• Three-pole construction.
• Ekip Touch LSIG electronic trip unit.
• Long-time overload protection.
• Short-time delayed short-circuit protection.
• Instantaneous short-circuit protection.
• Integrated earth-fault protection.
• Touchscreen interface for protection configuration and monitoring.
• 252–630 A long-time protection adjustment range.
• 945–9450 A instantaneous protection adjustment range.
• 42 kA Icu at 440 V AC.
• 42 kA Icw for 1 s.
• 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 Touch LSIG electronic trip unit combines adjustable long-time, short-time and instantaneous overcurrent protection with integrated earth-fault protection. This comprehensive protection package supports selective distribution system design while providing protection against overloads, short circuits and earth faults through an intuitive touchscreen-based interface.

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.
• Withdrawable switchgear requiring convenient isolation and maintenance.