Why Choose the ABB 1SDA125569R1 E1.3N 250 Ekip Aware LSI 4P WMP?
The ABB 1SDA125569R1 is an EMAX 3 E1.3N 250 Ekip Aware LSI four-pole withdrawable circuit breaker designed for reliable low-voltage power distribution and circuit protection. It combines ABB's Ekip Aware electronic trip technology with a 250 A frame rating and four-pole configuration for demanding industrial and commercial electrical installations.
As part of the ABB SACE Emax 3 series, the E1.3N 250 is engineered for dependable switching, protection and monitoring in low-voltage distribution systems. The Ekip Aware LSI release provides electronic protection functions covering long-time, short-time and instantaneous protection, supporting accurate management of electrical faults and overload conditions.
The 1SDA125569R1 is specified as an E1.3N 250, 4-pole, withdrawable (WMP) circuit breaker. ABB's product documentation identifies the E1.3N 250 Ekip Aware LSI configuration with an interrupting capacity of 66 kA at 440 V and a short-time withstand current of 50 kA for 1 s.
Key Advantages
- Advanced ABB EMAX 3 air circuit breaker for low-voltage power distribution.
- 250 A frame rating for industrial and commercial distribution applications.
- Four-pole configuration for comprehensive three-phase plus neutral circuit protection.
- Ekip Aware LSI electronic trip unit for advanced circuit protection.
- Withdrawable design for practical switchgear installation, inspection and maintenance.
- 66 kA Icu at 440 V interrupting capacity for demanding electrical distribution systems.
Key Features
- ABB SACE Emax 3 E1.3N series.
- 250 A rated frame size.
- Four-pole withdrawable configuration.
- Ekip Aware LSI electronic protection.
- Long-time, short-time and instantaneous protection.
- 66 kA rated ultimate short-circuit breaking capacity at 440 V.
- 50 kA short-time withstand current for 1 s.
- Designed for integration into low-voltage switchboards and electrical distribution systems.
Advanced Protection for Low-Voltage Power Distribution
The ABB E1.3N 250 Ekip Aware LSI combines the switching capability of an air circuit breaker with electronic protection functions designed for modern low-voltage distribution systems. The LSI protection arrangement provides long-time, short-time and instantaneous protection functions to help manage overloads and short-circuit conditions.
The withdrawable configuration allows the circuit breaker to be integrated into compatible switchgear assemblies where operational flexibility and maintainability are important. The EMAX 3 platform is designed for industrial and commercial electrical distribution applications requiring dependable circuit protection and controlled switching.
Typical Applications
- Industrial low-voltage distribution switchboards.
- Commercial building power distribution systems.
- Electrical main distribution boards.
- Industrial control and power systems.
- Power distribution and protection assemblies.
- Switchgear installations requiring a four-pole withdrawable circuit breaker.
