Why Choose the ABB E1.3C 1250 Ekip Aware LI 4p WMP?
The ABB 1SDA125623R1 is an E1.3C 1250 Ekip Aware LI four-pole withdrawable air circuit breaker moving part designed for reliable low-voltage AC power distribution and protection. It combines a 1250 A rated current with ABB Ekip Aware electronic protection technology for demanding industrial installations.
With a rated voltage of up to 690 V AC, four poles and a solid-state LI release, the ABB E1.3C 1250 provides dependable overload and instantaneous short-circuit protection. Its withdrawable WMP configuration supports practical installation, maintenance and replacement within compatible switchgear assemblies.
The 1SDA125623R1 also provides adjustable protection settings, four auxiliary contacts and integrated earth-fault protection, making it a versatile choice for industrial power distribution systems where controlled protection and operational continuity are important.
Key Advantages
- 1250 A rated permanent current for high-capacity power distribution.
- Four-pole configuration for comprehensive circuit isolation and protection.
- Ekip Aware LI solid-state protection release for accurate overload and instantaneous short-circuit protection.
- Withdrawable moving-part configuration for practical switchgear maintenance.
- Rated voltage up to 690 V AC for versatile low-voltage applications.
- Adjustable overload and short-circuit protection settings.
- Integrated earth-fault protection for enhanced circuit protection.
- Four auxiliary contacts for monitoring and control integration.
Key Features
- ABB SACE Emax 3 E1.3C series air circuit breaker.
- Order code: 1SDA125623R1.
- Ekip Aware LI electronic release.
- Four-pole withdrawable moving part (WMP).
- 1250 A rated permanent current.
- 690 V maximum rated voltage.
- 50 kA rated short-circuit breaking capacity Icu at 400 V, 50 Hz.
- Overload protection adjustment from 500 A to 1250 A.
- Instantaneous short-circuit protection adjustment from 1875 A to 18750 A.
- Short-time delayed short-circuit adjustment from 750 A to 12500 A.
- IP30 front protection rating.
- Four auxiliary change-over contacts.
- Integrated earth-fault protection.
High-Capacity Protection for Industrial Power Distribution
The ABB E1.3C 1250 Ekip Aware LI is engineered for low-voltage distribution systems requiring dependable protection at currents up to 1250 A. Its adjustable overload and short-circuit protection enables the breaker to be configured to suit the protection requirements of the installation while the four-pole design provides protection across multi-phase circuits including the neutral conductor.
As a withdrawable moving part within the SACE Emax 3 platform, the 1SDA125623R1 is suited to switchboards and power distribution assemblies where maintainability and controlled equipment access are important. Its Ekip Aware release, auxiliary contacts and integrated earth-fault protection support effective monitoring and protection within modern industrial electrical systems.
Typical Applications
- Industrial low-voltage distribution switchboards.
- Main and incoming power distribution circuits.
- Commercial and industrial electrical infrastructure.
- Manufacturing plant power distribution.
- Large building electrical distribution systems.
- Power distribution and protection assemblies.
- Motor and process power distribution systems.
- Installations requiring withdrawable air circuit breaker technology.
