1SDA071276R1 ABB E6.2V 5000 Ekip Touch LSIG 3-Pole Air Circuit Breaker

Why Choose the ABB 1SDA071276R1 E6.2V 5000 Ekip Touch LSIG Air Circuit Breaker?

The ABB 1SDA071276R1 is a high-performance SACE Emax 2 E6.2V air circuit breaker designed for protection and switching in demanding low-voltage power distribution systems. Rated at 5000 A, this fixed three-pole breaker combines the high interrupting performance of the E6.2V frame with ABB's advanced Ekip Touch LSIG electronic trip unit.

The Ekip Touch LSIG protection release provides long-time overload, short-time selective short-circuit, instantaneous short-circuit and earth-fault protection. Its touch-based interface supports straightforward protection configuration and system supervision, making the breaker suitable for critical industrial and commercial electrical distribution installations.

The 1SDA071276R1 is supplied in a fixed three-pole configuration with rear horizontal terminals. It has a rated operational voltage of up to 690 V AC, a rated insulation voltage of 1000 V AC and an ultimate short-circuit breaking capacity of 150 kA at 400/415 V AC, providing robust protection for high-current switchboards and power distribution assemblies.

Key Advantages

• High-current 5000 A SACE Emax 2 air circuit breaker for demanding power distribution applications.
• E6.2V high-breaking-capacity frame for protection of major low-voltage distribution systems.
• Advanced Ekip Touch LSIG electronic protection release.
• LSIG functions provide overload, selective short-circuit, instantaneous and earth-fault protection.
• 150 kA ultimate breaking capacity at 400/415 V AC.
• Fixed three-pole construction with rear horizontal terminals.
• Rated operational voltage up to 690 V AC.
• Designed for integration into industrial switchboards and high-power distribution assemblies.

Key Features

• ABB SACE Emax 2 E6.2V series.
• 5000 A rated current.
• 3-pole fixed configuration.
• Ekip Touch LSIG solid-state electronic trip unit.
• Long-time overload protection (L).
• Short-time selective short-circuit protection (S).
• Instantaneous short-circuit protection (I).
• Earth-fault protection (G).
• 690 V AC rated operational voltage.
• 1000 V AC rated insulation voltage.
• 12 kV rated impulse withstand voltage.
• 100 kA short-time withstand current for 1 s.
• Rear horizontal main terminals.
• Four auxiliary change-over contacts and open/closed breaker position indication.

Advanced Protection for High-Current Power Distribution

Air circuit breakers such as the ABB SACE Emax 2 E6.2V provide switching, isolation and protection for high-current low-voltage distribution networks. The breaker's high short-circuit interruption capability enables it to protect switchboards, busbars, feeders and other major distribution equipment against damaging overload and fault currents.

The integrated Ekip Touch LSIG trip unit continuously monitors the electrical circuit and provides configurable protection against overloads, delayed and instantaneous short circuits and earth faults. This combination of high breaking capacity and electronic protection makes the 1SDA071276R1 particularly suitable for critical industrial infrastructure and large electrical distribution systems.

Typical Applications

• Main incomer protection in low-voltage switchboards.
• Industrial power distribution systems.
• High-current feeder and busbar protection.
• Manufacturing and process plants.
• Commercial and infrastructure power distribution.
• Data centres and critical electrical installations.
• Generator and transformer distribution systems.
• Large switchgear and power distribution assemblies.