1SDA072722R1 ABB E1.2B 800 Ekip Dip LSI 4p WMP Air Circuit Breaker

Why Choose the ABB E1.2B 800 Ekip Dip LSI 4p WMP Air Circuit Breaker?

The ABB E1.2B 800 Ekip Dip LSI 4p WMP, order code 1SDA072722R1, is a compact SACE Emax 2 air circuit breaker (ACB) designed for reliable protection and control in low-voltage power distribution systems. This four-pole withdrawable breaker combines a rated current of 800 A with the Ekip Dip LSI electronic trip unit for long-time overload, short-time delayed short-circuit and instantaneous short-circuit protection.

The E1.2B frame provides a space-efficient solution for industrial, commercial and infrastructure switchboards requiring dependable circuit protection. Its Ekip Dip LSI electronic release adds adjustable short-time protection to the standard overload and instantaneous functions, helping engineers achieve improved selectivity and coordination between protective devices.

With a rated operational voltage of 690 V AC and an ultimate short-circuit breaking capacity of 42 kA across common low-voltage operating voltages up to 690 V AC, the 1SDA072722R1 provides dependable fault interruption performance. Its four-pole withdrawable moving-part configuration supports four-pole switching and convenient inspection, servicing and maintenance within compatible ABB SACE Emax 2 switchgear.

Key Advantages

• Compact ABB SACE Emax 2 air circuit breaker for low-voltage power distribution.
• 800 A rated current for industrial, commercial and infrastructure applications.
• 42 kA ultimate short-circuit breaking capacity across common operating voltages from 380–690 V AC.
• Ekip Dip LSI electronic trip unit provides long-time, short-time and instantaneous protection.
• Adjustable short-time protection supports improved selectivity and coordination within distribution systems.
• DIP-switch-based settings provide straightforward protection configuration and commissioning.
• Four-pole withdrawable design supports four-pole switching and service-friendly switchgear construction.

Key Features

• ABB SACE Emax 2 E1.2B series.
• 800 A rated current.
• Four-pole configuration.
• B breaking-capacity performance level.
• 690 V AC rated operational voltage.
• 1000 V AC rated insulation voltage.
• 42 kA ultimate short-circuit breaking capacity.
• Ekip Dip LSI electronic protection release.
• Long-time overload, short-time delayed short-circuit and instantaneous short-circuit protection.
• Adjustable protection settings through DIP switches.
• Withdrawable moving-part construction for compatible ABB SACE Emax 2 switchgear assemblies.

Selective LSI Protection for Low-Voltage Power Distribution

Air circuit breakers such as the ABB SACE Emax 2 protect low-voltage electrical distribution systems against damaging overload and short-circuit conditions. The E1.2B platform combines a compact frame with an 800 A current rating and 42 kA ultimate short-circuit breaking capacity, providing dependable protection for industrial, commercial and infrastructure switchboards.

The Ekip Dip LSI electronic trip unit provides long-time overload protection, short-time delayed short-circuit protection and instantaneous short-circuit protection. The adjustable short-time function supports selective coordination between protective devices, while straightforward DIP-switch settings and withdrawable construction make the 1SDA072722R1 practical for commissioning, operation and ongoing switchboard maintenance.

Typical Applications

• Main and sub-main low-voltage distribution boards.
• Industrial electrical distribution systems.
• Commercial building switchboards.
• Manufacturing and process plant electrical systems.
• Infrastructure and utility distribution panels.
• Four-wire electrical systems requiring four-pole switching and selective LSI protection.