1SDA071381R1 ABB Emax 2 E1.2C 800A Ekip Dip LI 4P Air Circuit Breaker

Why Choose the ABB 1SDA071381R1 Emax 2 Air Circuit Breaker?

The ABB 1SDA071381R1 is a compact and reliable SACE Emax 2 E1.2C air circuit breaker (ACB) designed for protection and control of low-voltage electrical distribution systems. Rated at 800 A, this fixed four-pole circuit breaker combines ABB’s E1.2 frame with the Ekip Dip LI solid-state electronic trip unit for dependable overload and instantaneous short-circuit protection.

As part of the advanced ABB SACE Emax 2 series, the E1.2C is engineered for efficient integration into industrial and commercial switchboards. The Ekip Dip LI release provides essential electronic protection functions through adjustable long-time and instantaneous settings, offering a straightforward solution where sophisticated touchscreen or communication functions are not required.

With a rated uninterrupted current of 800 A, rated operational voltage up to 690 V AC and short-circuit breaking performance up to 50 kA, the 1SDA071381R1 is well suited to main and distribution circuits in demanding low-voltage installations. Its fixed four-pole construction with front terminals enables straightforward installation and connection within electrical switchboards.

Key Advantages

• Compact 800 A air circuit breaker for low-voltage power distribution.
• High short-circuit breaking performance up to 50 kA.
• Ekip Dip LI electronic trip unit provides dependable overload and instantaneous short-circuit protection.
• Four-pole configuration provides switching of three phases together with the neutral pole.
• Fixed installation with front terminals simplifies integration into switchboards.
• High mechanical and electrical endurance for demanding industrial applications.

Key Features

• ABB SACE Emax 2 E1.2C air circuit breaker.
• 800 A rated uninterrupted current.
• 690 V AC rated operational voltage.
• Short-circuit breaking performance up to 50 kA.
• Ekip Dip LI solid-state electronic release.
• Long-time overload and instantaneous short-circuit protection.
• Fixed four-pole construction.
• Neutral pole rated at 100% of the rated current.
• Front terminals for main circuit connections.
• Supplied with four auxiliary contacts and circuit-breaker open/closed position indication.
• Designed for AC low-voltage distribution applications.

Reliable Protection for Low-Voltage Power Distribution

Air circuit breakers such as the ABB SACE Emax 2 E1.2C protect important low-voltage distribution circuits against damaging overcurrent and short-circuit conditions. The 1SDA071381R1 combines an 800 A continuous-current rating with substantial short-circuit interruption capability, making it suitable for main incomers, distribution feeders and other important circuits within industrial and commercial switchboards.

The Ekip Dip LI electronic trip unit provides long-time overload and instantaneous short-circuit protection without the additional complexity of more advanced trip units. This makes the breaker particularly suitable for installations requiring robust, configurable electronic circuit protection in a straightforward fixed-mounting format.

Typical Applications

• Main incoming protection for low-voltage switchboards.
• Industrial electrical distribution systems.
• Commercial building power distribution.
• Transformer secondary and distribution protection.
• Manufacturing and process facilities.
• Distribution feeders and sub-main circuits.
• Infrastructure electrical systems.
• Low-voltage switchgear and controlgear assemblies.