1SDA072761R1 ABB E1.2B 1000 Ekip Dip LI 4P Air Circuit Breaker

Why Choose the ABB 1SDA072761R1 Emax 2 Air Circuit Breaker?

The ABB 1SDA072761R1 is a high-performance SACE Emax 2 E1.2B air circuit breaker designed for reliable protection and control of low-voltage electrical distribution systems. Configured as an E1.2B 1000 Ekip Dip LI 4p WMP, this four-pole withdrawable moving part combines a 1000 A rated current with ABB's Ekip Dip LI solid-state electronic protection release.

As part of the advanced ABB SACE Emax 2 air circuit breaker series, the E1.2B is engineered for industrial, commercial and infrastructure power distribution applications. The Ekip Dip LI trip unit provides long-time overload and instantaneous short-circuit protection, with straightforward DIP-switch adjustment for configuring the principal protection parameters.

The E1.2B performance level provides a rated ultimate short-circuit breaking capacity of 42 kA at 415 V AC. Its 1000 A rating, four-pole configuration and withdrawable construction make the 1SDA072761R1 well suited to substantial switchboard applications where dependable circuit protection, isolation and maintainability are required.

Key Advantages

• High-performance ABB SACE Emax 2 air circuit breaker for low-voltage power distribution.
• 1000 A rated current for substantial industrial and commercial electrical loads.
• 42 kA ultimate short-circuit breaking capacity at 415 V AC.
• Ekip Dip LI solid-state electronic protection release.
• Integrated long-time overload and instantaneous short-circuit protection.
• Simple DIP-switch configuration of protection settings.
• Four-pole withdrawable moving-part design for flexible switchboard installation and servicing.
• Fitted with four auxiliary contacts and circuit-breaker open/closed position indication.

Key Features

• ABB SACE Emax 2 E1.2B series.
• 1000 A rated current.
• 4-pole configuration.
• Ekip Dip LI electronic trip unit.
• 42 kA Icu at 415 V AC.
• Long-time overload protection.
• Instantaneous short-circuit protection.
• DIP-switch protection setting interface.
• Four auxiliary contacts fitted as standard on this configuration.
• Circuit-breaker open/closed position indication.
• Withdrawable construction supports convenient isolation and maintenance.
• Moving-part design for use with the corresponding Emax 2 fixed part.

Reliable Circuit Protection for Power Distribution

Air circuit breakers such as the ABB SACE Emax 2 E1.2B protect low-voltage electrical distribution systems against potentially damaging overload and short-circuit conditions. The E1.2B's 42 kA breaking capacity at 415 V AC provides dependable fault interruption for switchboards, feeders and connected electrical equipment in demanding installations.

The Ekip Dip LI electronic trip unit combines long-time overload protection with instantaneous short-circuit protection in a straightforward and robust configuration. DIP-switch adjustment allows protection parameters to be set without the complexity of a touchscreen interface, while the Emax 2 withdrawable architecture supports efficient isolation, inspection and servicing within modern low-voltage switchboards.

Typical Applications

• Low-voltage main distribution switchboards.
• Industrial power distribution systems.
• Commercial building electrical distribution.
• Manufacturing and process facilities.
• Infrastructure and utility installations.
• Incoming and outgoing switchboard feeders.
• High-current electrical distribution circuits requiring LI protection.
• Switchboards requiring four-pole withdrawable circuit breaker assemblies.