1SDA072867R1 ABB E1.2N 1600 Ekip G Touch LSIG 4p WMP Air Circuit Breaker

Why Choose the ABB 1SDA072867R1 E1.2N 1600 Ekip G Touch LSIG 4p WMP Air Circuit Breaker?

The ABB 1SDA072867R1 is a high-performance Emax 2 E1.2N four-pole air circuit breaker moving part designed for protection, switching and management of demanding low-voltage electrical distribution systems. Rated at 1600 A, this withdrawable breaker combines the compact E1.2 frame with ABB's advanced Ekip G Touch LSIG electronic protection release.

The Ekip G Touch LSIG release provides long-time (L), short-time (S), instantaneous (I) and earth-fault (G) protection, together with the touchscreen-based functionality of the Ekip Touch platform. The E1.2N performance level provides a rated ultimate short-circuit breaking capacity of 66 kA at 400–440 V AC, making the breaker suitable for electrical systems requiring substantial fault-interruption capability.

Configured as a four-pole withdrawable moving part (WMP), the 1SDA072867R1 is designed for Emax 2 withdrawable switchgear installations where serviceability and operational flexibility are important. It has a rated operational voltage of 690 V AC, a rated insulation voltage of 1000 V AC and a rated impulse withstand voltage of 12 kV.

Key Advantages

• High-performance ABB Emax 2 E1.2N air circuit breaker for low-voltage distribution.
• 1600 A rated uninterrupted current for demanding power-distribution systems.
• Four-pole configuration with 100% neutral pole current capability.
• Ekip G Touch LSIG electronic release with advanced protection and touchscreen operation.
• Long-time, short-time, instantaneous and earth-fault protection.
• 66 kA ultimate short-circuit breaking capacity at 400–440 V AC.
• Withdrawable moving-part design supports efficient maintenance and switchboard servicing.

Key Features

• ABB SACE Emax 2 E1.2N frame.
• 1600 A rated uninterrupted current (Iu).
• Four-pole air circuit breaker configuration.
• Ekip G Touch LSIG electronic protection release.
• Long-time, short-time, instantaneous and earth-fault protection functions.
• 66 kA Icu at 400–440 V AC.
• 50 kA Icu at 500–690 V AC.
• 50 kA short-time withstand current for 1 s.
• Rated operational voltage up to 690 V AC.
• Withdrawable moving-part construction for Emax 2 switchgear systems.

Advanced Protection for Low-Voltage Power Distribution

Air circuit breakers such as the ABB Emax 2 E1.2N provide high-current switching and protection for low-voltage distribution networks. The Ekip G Touch LSIG electronic release combines long-time overload, short-time delayed short-circuit, instantaneous short-circuit and earth-fault protection, helping safeguard cables, switchgear and connected equipment while supporting selective protection strategies.

The Ekip Touch platform provides an intuitive touchscreen interface for protection configuration and electrical information, while the withdrawable Emax 2 architecture supports convenient inspection and servicing. Together with the E1.2N frame's high short-circuit performance, these features make the 1SDA072867R1 suitable for critical industrial, commercial and infrastructure power-distribution systems.

Typical Applications

• Low-voltage main distribution switchboards.
• Industrial power distribution systems.
• Commercial and infrastructure electrical distribution.
• Transformer and generator protection systems.
• Manufacturing and process plant switchgear.
• High-current distribution networks requiring earth-fault protection.