1SDA072181R1 ABB E1.2C 1250 Ekip Dip LI 3p WMP Air Circuit Breaker

Why Choose the ABB E1.2C 1250 Ekip Dip LI 3p WMP Air Circuit Breaker?

The ABB E1.2C 1250 Ekip Dip LI 3p WMP, order code 1SDA072181R1, is a high-performance three-pole withdrawable air circuit breaker moving part from the ABB SACE Emax 2 range, designed for reliable protection and switching in low-voltage electrical distribution systems. Rated at 1250 A, it combines the compact E1.2C frame with an Ekip Dip LI electronic trip unit for adjustable overload and instantaneous short-circuit protection.

The Ekip Dip LI protection release uses straightforward DIP-switch settings to configure the principal protection parameters without requiring a touchscreen interface. Its LI functionality provides long-time overload and instantaneous short-circuit protection, helping safeguard conductors, switchgear and connected equipment in industrial and commercial power distribution systems.

This version is a three-pole withdrawable moving part with a 1250 A rated uninterrupted current. The E1.2C performance class provides a rated ultimate short-circuit breaking capacity of 50 kA at 400–415 V AC and 42 kA at 690 V AC, while the withdrawable construction facilitates inspection, servicing and replacement within compatible Emax 2 switchboards.

Key Advantages

• Compact ABB SACE Emax 2 air circuit breaker for low-voltage power distribution.
• 1250 A rated uninterrupted current for substantial industrial and commercial loads.
• Ekip Dip LI electronic trip unit with adjustable overload and instantaneous protection.
• Simple DIP-switch configuration of protection settings.
• Three-pole withdrawable construction supports efficient switchboard servicing and maintenance.
• E1.2C performance class provides 50 kA Icu at 400–415 V AC.
• Breaking capacity remains 42 kA at 690 V AC.
• Four change-over auxiliary contacts support circuit-breaker status signalling.

Key Features

• ABB SACE Emax 2 E1.2C air circuit breaker platform.
• 1250 A rated uninterrupted current.
• Three-pole configuration.
• Withdrawable moving-part design.
• Ekip Dip LI solid-state electronic protection release.
• L – adjustable long-time overload protection.
• I – adjustable instantaneous short-circuit protection.
• Overload setting range of 500–1250 A.
• Instantaneous short-circuit setting range of 1875–18750 A.
• 690 V AC rated operational voltage.
• 50 kA Icu at 400–415 V AC.
• Four change-over auxiliary contacts and open/closed position indication.

Reliable Circuit Protection for Power Distribution

ABB SACE Emax 2 air circuit breakers are engineered to provide switching and fault protection in low-voltage electrical networks. The compact E1.2 platform combines high current capacity with strong short-circuit performance, helping switchboard manufacturers create efficient distribution systems for industrial, commercial and infrastructure installations.

The Ekip Dip LI release provides dependable electronic overload and instantaneous short-circuit protection with straightforward DIP-switch adjustment. Combined with the withdrawable Emax 2 construction, it provides a practical solution for switchboards where reliable protection, simple configuration and convenient maintenance are priorities.

Typical Applications

• Industrial low-voltage switchboards and distribution panels.
• Main and sub-main electrical distribution systems.
• Manufacturing and process plants.
• Commercial buildings and infrastructure.
• Data centres and critical power installations.
• Utilities and energy distribution systems.
• OEM switchgear and electrical panel assemblies.