1SDA071305R1 ABB E6.2V 6300 Ekip Touch LSI 3-Pole Air Circuit Breaker

Why Choose the ABB 1SDA071305R1 E6.2V 6300 Ekip Touch LSI Air Circuit Breaker?

The ABB 1SDA071305R1 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 6300 A, this three-pole fixed breaker combines the high short-circuit performance of the E6.2V frame with ABB's advanced Ekip Touch LSI electronic trip unit.

The Ekip Touch LSI solid-state release provides long-time overload (L), short-time selective short-circuit (S) and instantaneous short-circuit (I) protection. Its electronic protection architecture and touchscreen interface enable accurate configuration and monitoring, supporting selective coordination and dependable protection in complex industrial electrical networks.

The 1SDA071305R1 is supplied in a fixed three-pole configuration with rear horizontal terminals. With a rated operational voltage of up to 690 V AC, an ultimate short-circuit breaking capacity of 150 kA at 400–440 V AC and a rated short-time withstand current of 100 kA, it is engineered for major switchboards and critical high-current power distribution installations.

Key Advantages

• High-current 6300 A SACE Emax 2 air circuit breaker.
• E6.2V high-breaking-capacity frame for demanding low-voltage power systems.
• Advanced Ekip Touch LSI electronic protection release.
• Long-time, short-time and instantaneous protection functions support selective system protection.
• 150 kA ultimate short-circuit breaking capacity at 400–440 V AC.
• 100 kA short-time withstand current for 1 s and 3 s.
• Fixed three-pole construction with rear flat horizontal terminals.
• Suitable for transformer, generator, feeder and installation protection in major power distribution systems.

Key Features

• ABB SACE Emax 2 E6.2V series.
• 6300 A rated uninterrupted current.
• 3-pole fixed configuration.
• Ekip Touch LSI solid-state electronic trip unit.
• Long-time overload protection (L).
• Short-time selective short-circuit protection (S).
• Instantaneous short-circuit protection (I).
• 690 V AC rated operational voltage.
• 1000 V AC rated insulation voltage.
• 12 kV rated impulse withstand voltage.
• 150 kA Icu at 400–440 V AC.
• 100 kA Icw for 1 s and 3 s.
• Rear flat horizontal main terminals.
• Supplied with four auxiliary contacts and circuit-breaker open/closed position indication.
• Suitable for IT networks up to 690 V.

High-Current Selective Protection for Power Distribution

Air circuit breakers such as the ABB SACE Emax 2 E6.2V provide switching, isolation and fault protection for high-current low-voltage electrical networks. The E6.2V frame combines substantial continuous-current capability with high short-circuit interruption and short-time withstand performance, supporting dependable protection and selective coordination in large switchboards.

The Ekip Touch LSI electronic release continuously monitors the circuit and provides configurable long-time overload, short-time selective short-circuit and instantaneous short-circuit protection. Combined with the breaker's 6300 A rating and high fault-interruption capability, this makes the 1SDA071305R1 suitable for major industrial facilities, transformer and generator systems and critical electrical distribution infrastructure.

Typical Applications

• Main incomer protection in high-current low-voltage switchboards.
• Industrial power distribution systems.
• Transformer and generator protection.
• High-current feeder and busbar protection.
• Manufacturing and process plants.
• Data centres and critical infrastructure.
• Utility and infrastructure electrical systems.
• Large switchgear and power distribution assemblies.