1SDA070952R1 ABB E2.2N 1250 Ekip Dip LSI 3p FHR Air Circuit Breaker

Why Choose the ABB E2.2N 1250 Ekip Dip LSI 3p FHR Air Circuit Breaker?

The ABB E2.2N 1250 Ekip Dip LSI 3p FHR is a high-performance SACE Emax 2 air circuit breaker (ACB) designed for reliable protection and switching in low-voltage electrical distribution systems. Identified by ABB order code 1SDA070952R1, this fixed three-pole circuit breaker combines a 1250 A rated current with the Ekip Dip LSI solid-state electronic protection release. :chatgpt-content-reference{index="0"}

As part of the ABB SACE Emax 2 E2.2N series, this breaker provides adjustable long-time overload, short-time selective short-circuit and instantaneous short-circuit protection. The Ekip Dip LSI release offers straightforward protection configuration using DIP-switch settings, making it suitable for industrial switchboards, transformer protection and high-current power-distribution applications. :chatgpt-content-reference{index="1"}

The E2.2N 1250 features a fixed three-pole construction with rear horizontal terminals and is rated for operation up to 690 V AC. Its N performance level provides a rated ultimate short-circuit breaking capacity of 66 kA at 400–690 V AC, with a rated short-time withstand current of 66 kA for 1 s, delivering dependable fault interruption for demanding low-voltage installations. :chatgpt-content-reference{index="2"}

Key Advantages

• Reliable SACE Emax 2 air circuit breaker for industrial and infrastructure power-distribution systems.
• 1250 A rated current for high-current electrical installations.
• Ekip Dip LSI electronic trip unit with adjustable overload and short-circuit protection.
• 66 kA ultimate breaking capacity across the rated voltage range.
• 66 kA short-time withstand current for 1 s for selective protection coordination.
• Fixed three-pole construction with rear horizontal terminals.
• High-performance Emax 2 platform suitable for modern low-voltage switchboards.

Key Features

• ABB SACE Emax 2 E2.2N series.
• 1250 A rated uninterrupted current (Iu).
• 690 V AC rated operational voltage.
• 1000 V AC rated insulation voltage.
• 12 kV rated impulse withstand voltage.
• Three-pole configuration.
• Fixed-mounted construction.
• Rear horizontal terminals.
• Ekip Dip LSI solid-state electronic release.
• Long-time, short-time and instantaneous protection functions.
• 66 kA Icu at 400–690 V AC.
• Four auxiliary contacts included.
• Circuit-breaker open/closed position indication included.

Reliable Protection for Low-Voltage Power Distribution

Air circuit breakers such as the ABB SACE Emax 2 provide switching and protection for high-current low-voltage electrical circuits. They interrupt abnormal currents during overload and short-circuit conditions, helping protect switchboards, transformers, cables and connected equipment while maintaining reliable electrical distribution.

The Ekip Dip LSI electronic release provides adjustable long-time, short-time and instantaneous protection through simple DIP-switch configuration. Combined with the high breaking performance of the E2.2N frame, this breaker supports dependable protection coordination in industrial, commercial and infrastructure electrical systems.

Typical Applications

• Industrial low-voltage switchboards and distribution panels.
• Main incoming and feeder circuit protection.
• Transformer and installation protection.
• Manufacturing and process-industry electrical systems.
• Commercial buildings and infrastructure installations.
• Power-distribution assemblies requiring high breaking capacity.
• Industrial plant and machinery electrical systems.