1SDA071341R1 ABB E1.2C 630 Ekip Dip LI 4p F F Air Circuit Breaker

Why Choose the ABB E1.2C 630 Ekip Dip LI 4p F F Air Circuit Breaker?

The ABB E1.2C 630 Ekip Dip LI 4p F F, order code 1SDA071341R1, is a compact SACE Emax 2 air circuit breaker (ACB) designed for dependable protection and switching in low-voltage electrical distribution systems. This fixed four-pole E1.2C breaker combines a 630 A rated uninterrupted current with ABB's Ekip Dip LI solid-state electronic trip unit.

The Ekip Dip LI release provides long-time overload and instantaneous short-circuit protection, delivering essential electronic protection through straightforward adjustable settings. The LI configuration is well suited to installations requiring reliable overload and high-current fault protection without short-time or integrated earth-fault protection functions.

The E1.2C performance level provides an ultimate short-circuit breaking capacity of 50 kA at 400/415/440 V AC and 42 kA at 690 V AC. Its fixed four-pole construction with front terminals supports three-phase four-wire distribution systems where switching of the neutral conductor is required alongside dependable circuit protection.

Key Advantages

• Compact ABB SACE Emax 2 E1.2C air circuit breaker.
• 630 A rated uninterrupted current for low-voltage electrical distribution.
• 50 kA ultimate short-circuit breaking capacity at 400/415/440 V AC.
• Reliable Ekip Dip LI solid-state electronic trip unit.
• LI protection provides long-time overload and instantaneous short-circuit protection.
• Four-pole configuration supports switching of three phases and neutral.
• 100% service breaking capacity relative to Icu across specified operating voltages.
• Fixed construction with front terminals supports straightforward switchboard integration.

Key Features

• ABB SACE Emax 2 E1.2C series.
• 630 A rated uninterrupted current.
• Four-pole fixed configuration.
• Ekip Dip LI solid-state electronic protection release.
• 690 V AC rated operational voltage.
• 1000 V AC rated insulation voltage.
• 12 kV rated impulse withstand voltage.
• 50 kA Icu at 400/415/440 V AC.
• 42 kA Icu at 500/525/690 V AC.
• 42 kA short-time withstand current for 1 s.
• Front main terminals for fixed switchboard installation.
• Four auxiliary change-over contacts with open/closed breaker position indication.

Reliable Electronic Circuit Protection

The ABB Ekip Dip LI trip unit provides electronic long-time protection against sustained overload conditions together with instantaneous protection against severe short-circuit currents. Its focused LI protection profile provides a straightforward solution for distribution circuits where dependable overload and instantaneous fault protection are the primary requirements.

The compact E1.2C frame combines a 630 A current rating with 50 kA short-circuit breaking performance at 400/415/440 V AC. Combined with four-pole switching, front connections and the proven SACE Emax 2 platform, the 1SDA071341R1 is well suited to industrial, commercial and infrastructure switchboards requiring reliable low-voltage circuit protection.

Typical Applications

• Low-voltage power distribution switchboards.
• Main incoming and feeder circuit protection.
• Industrial manufacturing and process facilities.
• Commercial building electrical distribution.
• Infrastructure and utility installations.
• Critical power distribution systems.
• Three-phase four-wire networks requiring neutral switching.