1SDA072743R1 ABB E1.2N 800 Ekip Dip LSIG 4p WMP Air Circuit Breaker 800 A

Why Choose the ABB E1.2N 800 Ekip Dip LSIG 4p WMP Air Circuit Breaker?

The ABB E1.2N 800 Ekip Dip LSIG 4p WMP, order code 1SDA072743R1, is a high-performance four-pole air circuit breaker (ACB) from the ABB SACE Emax 2 range, designed for protection and switching in low-voltage power distribution systems. With a rated uninterrupted current of 800 A, it combines robust Emax 2 switching technology with an Ekip Dip LSIG electronic protection release.

The Ekip Dip LSIG release provides long-time overload, short-time short-circuit, instantaneous short-circuit and ground-fault protection, enabling comprehensive protection of electrical distribution systems. The E1.2N performance level provides a rated ultimate short-circuit breaking capacity of up to 66 kA at 400 V AC, making this breaker suitable for demanding commercial and industrial power distribution applications.

This four-pole withdrawable circuit breaker has a rated operational voltage of up to 690 V AC, a rated insulation voltage of 1000 V AC and a rated impulse withstand voltage of 12 kV. Its withdrawable design supports convenient installation, inspection and maintenance within compatible low-voltage switchgear assemblies.

Key Advantages

• High-performance 800 A four-pole air circuit breaker for low-voltage power distribution.
• Ekip Dip LSIG electronic trip unit provides overload, short-time, instantaneous and ground-fault protection.
• Rated ultimate short-circuit breaking capacity of 66 kA at 400 V AC.
• 690 V AC rated operational voltage for demanding industrial electrical systems.
• Withdrawable construction supports efficient switchgear maintenance and servicing.
• Four-pole configuration with 100% neutral pole current rating.

Key Features

• ABB SACE Emax 2 E1.2 air circuit breaker platform.
• 800 A rated current.
• 4-pole configuration.
• Ekip Dip LSIG electronic release.
• 66 kA Icu at 400 V AC.
• 50 kA Icw for 1 s short-time withstand capability.
• Rated operational voltage up to 690 V AC.
• Integrated ground-fault protection.
• Withdrawable version for compatible switchgear assemblies.

Reliable Circuit Protection for Power Distribution

Air circuit breakers such as the ABB SACE Emax 2 protect low-voltage electrical installations against overloads and short circuits while providing controlled switching and isolation of high-current circuits. The E1.2 platform combines compact construction with high breaking performance for use in modern switchboards, distribution panels and industrial power systems.

The Ekip Dip LSIG electronic trip unit extends protection to long-time overload, short-time and instantaneous short-circuit conditions and ground faults. Combined with the breaker’s withdrawable construction, this makes the E1.2N 800 suitable for installations where dependable protection, selective coordination and maintainability are important requirements.

Typical Applications

• Low-voltage main distribution switchboards.
• Industrial power distribution systems.
• Commercial and infrastructure electrical installations.
• Transformer and generator protection applications.
• Incoming and outgoing switchgear feeders.
• Power distribution systems requiring ground-fault protection.