1SDA072973R1 ABB E2.2N 1600 Ekip Dip LSIG 4p WMP Air Circuit Breaker

Why Choose the ABB E2.2N 1600 Ekip Dip LSIG 4p WMP Air Circuit Breaker?

The ABB 1SDA072973R1 is a high-performance SACE Emax 2 E2.2N air circuit breaker rated at 1600 A, designed for dependable protection, switching and isolation in low-voltage electrical distribution systems. This four-pole withdrawable moving-part breaker incorporates the Ekip Dip LSIG electronic trip unit, providing long-time, short-time, instantaneous and ground-fault protection.

As part of the ABB SACE Emax 2 range, the E2.2N combines robust short-circuit performance with configurable electronic protection and straightforward switchboard integration. Protection settings on the Ekip Dip LSIG release are adjusted using DIP switches, enabling engineers to coordinate overload, selective short-circuit, instantaneous and earth-fault protection for demanding distribution applications.

With a rated uninterrupted current of 1600 A, a four-pole configuration and rated operational voltage up to 690 V AC, this E2.2N breaker provides an ultimate short-circuit breaking capacity of 66 kA from 380 V AC through 690 V AC. Its withdrawable moving-part construction facilitates inspection, servicing and replacement in maintainable switchboard installations.

Key Advantages

• High-performance ABB SACE Emax 2 air circuit breaker for low-voltage power distribution.
• 1600 A rated uninterrupted current for high-current electrical installations.
• Four-pole configuration for three-phase systems requiring neutral switching.
• Ekip Dip LSIG electronic trip unit provides comprehensive overload, short-circuit and ground-fault protection.
• 66 kA ultimate breaking capacity across the specified 380–690 V AC range.
• Withdrawable moving-part construction supports efficient inspection, servicing and breaker replacement.

Key Features

• ABB SACE Emax 2 E2.2N frame.
• 1600 A rated current.
• 4-pole configuration.
• Ekip Dip LSIG solid-state electronic protection release.
• Long-time, short-time, instantaneous and ground-fault protection functions.
• Protection settings adjustable through DIP switches.
• 690 V AC rated operational voltage.
• 1000 V AC rated insulation voltage.
• 66 kA ultimate breaking capacity at 400/415 V AC.
• Four change-over auxiliary contacts with breaker open/closed position indication.

Comprehensive LSIG Protection for Low-Voltage Power Distribution

Air circuit breakers such as the ABB SACE Emax 2 protect low-voltage electrical networks against overloads, short circuits and ground faults while providing dependable switching and isolation of high-current circuits. The E2.2N platform combines 66 kA short-circuit breaking capability with configurable electronic protection for demanding main distribution and feeder applications.

The Ekip Dip LSIG release combines adjustable long-time, selective short-time, instantaneous and ground-fault protection. These functions support coordinated protection throughout the electrical network, helping isolate faults close to their source while reducing unnecessary interruption to unaffected sections of an installation.

Typical Applications

• Main low-voltage switchboards and distribution boards.
• Industrial power distribution systems.
• Commercial buildings and infrastructure installations.
• Manufacturing plants and process facilities.
• Transformer secondary and main incoming protection.
• High-current feeders requiring integrated selective and ground-fault protection.