1SDA072813R1 ABB E1.2C 1250 Ekip Dip LSIG 4p WMP Air Circuit Breaker

Why Choose the ABB E1.2C 1250 Ekip Dip LSIG 4p WMP Air Circuit Breaker?

The ABB E1.2C 1250 Ekip Dip LSIG 4p WMP, order code 1SDA072813R1, is a high-performance four-pole withdrawable air circuit breaker moving part designed for protection and switching in demanding low-voltage power distribution systems. Part of the ABB SACE Emax 2 E1.2 series, it combines a 1250 A rated current with an Ekip Dip LSIG solid-state electronic trip unit for comprehensive overload, short-circuit and earth-fault protection.

The Ekip Dip LSIG release provides long-time overload, short-time delayed short-circuit, instantaneous short-circuit and earth-fault protection. Its adjustable electronic protection functions support effective coordination within distribution networks, helping protect cables, busbars, switchgear and connected equipment against a wide range of electrical fault conditions.

The E1.2C performance level provides an ultimate short-circuit breaking capacity of 50 kA at 400 V AC. Its withdrawable moving-part construction allows the breaker to be separated from the corresponding fixed chassis for inspection and servicing, while the four-pole arrangement provides switching and protection across all four conductors in suitable low-voltage systems.

Key Advantages

• 1250 A rated current for demanding low-voltage distribution applications.
• Four-pole configuration for comprehensive switching and circuit protection.
• Ekip Dip LSIG electronic trip unit with adjustable protection settings.
• Long-time, short-time, instantaneous and earth-fault protection.
• 50 kA ultimate short-circuit breaking capacity at 400 V AC.
• Electronic overload adjustment from 0.4–1 × In.
• Withdrawable moving-part design supports convenient inspection, servicing and replacement.
• Part of the modular ABB SACE Emax 2 air circuit breaker platform.

Key Features

• ABB SACE Emax 2 E1.2C air circuit breaker moving part.
• 1250 A rated uninterrupted current.
• 4-pole construction.
• Ekip Dip LSIG solid-state electronic protection release.
• Long-time overload protection.
• Short-time delayed short-circuit protection.
• Instantaneous short-circuit protection.
• Integrated earth-fault protection.
• Adjustable electronic protection settings for network coordination.
• 50 kA breaking capacity at 400 V AC.
• Rated voltage range of 220–690 V AC.
• Withdrawable execution for connection through a corresponding separate fixed chassis.

Comprehensive LSIG Protection for Low-Voltage Distribution

ABB SACE Emax 2 air circuit breakers are engineered to provide dependable switching and protection for modern low-voltage electrical networks. The Ekip Dip LSIG release combines four complementary protection functions: long-time protection for sustained overloads, short-time protection for selective fault coordination, instantaneous protection for severe short circuits and earth-fault protection for faults involving earth.

The withdrawable E1.2 construction is particularly suitable for switchboards where maintainability and operational flexibility are important. The breaker moving part connects through a separate fixed chassis and can be withdrawn when required for inspection or servicing, while the E1.2C performance level provides substantial short-circuit capability for industrial, commercial and infrastructure installations.

Typical Applications

• Main low-voltage distribution switchboards.
• Industrial power distribution systems.
• Commercial building electrical distribution.
• Manufacturing and process facilities.
• Transformer and installation protection.
• Infrastructure and utility installations.
• Critical power distribution systems.
• Withdrawable switchgear requiring comprehensive LSIG protection.