1SDA072176R1 ABB E1.2B 1250 Ekip Touch LSIG 3p WMP Air Circuit Breaker

Why Choose the ABB E1.2B 1250 Ekip Touch LSIG 3p WMP Air Circuit Breaker?

The ABB E1.2B 1250 Ekip Touch LSIG 3p WMP, order code 1SDA072176R1, is a compact air circuit breaker (ACB) moving part from the ABB SACE Emax 2 series, designed for switching and comprehensive protection in low-voltage power distribution systems. With a rated uninterrupted current of 1250 A, three-pole construction and ABB's Ekip Touch electronic trip technology, it provides dependable 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 provides convenient access to protection settings and operating information, while the combination of L, S, I and G functions supports selective coordination and comprehensive fault protection within modern electrical distribution networks.

The 1SDA072176R1 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, combining compact construction, comprehensive LSIG protection and convenient isolation for inspection and maintenance.

Key Advantages

• Compact 1250 A Emax 2 air circuit breaker moving part for low-voltage power distribution.
• Three-pole construction for three-phase AC electrical networks.
• Ekip Touch LSIG electronic trip unit provides comprehensive overload, short-circuit and earth-fault protection.
• Integrated long-time, short-time, instantaneous and earth-fault protection.
• 42 kA ultimate short-circuit breaking capacity for dependable fault interruption.
• Long-time overload protection adjustable from 500–1250 A.
• Instantaneous protection adjustable from 1875–18750 A.
• Touchscreen interface provides convenient configuration and access to protection information.
• 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.
• 1250 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 electrical information.
• 500–1250 A long-time protection adjustment range.
• 1875–18750 A instantaneous protection adjustment range.
• 42 kA ultimate short-circuit breaking capacity.
• Withdrawable moving part for integration with the corresponding Emax 2 fixed part.
• Compact E1.2 frame for space-efficient low-voltage switchgear.

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 substantial fault-clearing capability with a withdrawable construction, allowing the breaker moving part to be disconnected from its corresponding fixed part for inspection, servicing or replacement.

The Ekip Touch LSIG electronic trip unit combines adjustable long-time overload, short-time delayed short-circuit, instantaneous short-circuit and earth-fault protection. This comprehensive protection arrangement supports selective distribution system design while providing protection against overloads, severe short circuits and earth-fault conditions, with settings accessible through the touchscreen 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.
• Three-phase circuits requiring 1250 A rated protection.
• Distribution systems requiring comprehensive LSIG and earth-fault protection.
• Applications requiring touchscreen-configurable electronic protection.
• Networks requiring selective short-circuit protection.
• Withdrawable switchgear requiring convenient isolation and maintenance.