Why Choose the ABB 1SDA125466R1 Emax 3 Air Circuit Breaker?
The ABB 1SDA125466R1 is a high-capacity SACE Emax 3 E2.3S 2500 air circuit breaker configured as a three-pole withdrawable moving part with an Ekip Aware LI electronic release, providing dependable protection and switching for demanding low-voltage power distribution systems.
With a 2500 A rated permanent current, the 1SDA125466R1 is designed for high-current industrial installations where reliable circuit protection and controlled switching are required. Its Ekip Aware LI release provides long-time and instantaneous protection functions with adjustable trip settings.
The E2.3S 2500 configuration provides a 66 kA ultimate short-circuit breaking capacity at 440 V and an 85 kA short-time withstand current for 1 s, making it suitable for demanding industrial distribution, switchboard and high-current electrical applications.
Key Advantages
- High-capacity ABB SACE Emax 3 air circuit breaker for industrial power distribution.
- 2500 A rated permanent current for high-load electrical systems.
- Three-pole withdrawable moving-part configuration for compatible Emax 3 E2.3S installations.
- Ekip Aware LI electronic release with adjustable long-time and instantaneous protection.
- 66 kA ultimate short-circuit breaking capacity at 440 V.
- 85 kA short-time withstand current for 1 s.
- Four integrated auxiliary contacts for control and signalling functions.
Key Features
- ABB SACE Emax 3 E2.3S series.
- 2500 A rated permanent current.
- Three-pole configuration.
- Ekip Aware LI electronic release.
- Long-time and instantaneous protection.
- I1 adjustment range of 1000–2500 A.
- I3 adjustment range of 3750–37500 A.
- 66 kA Icu at 440 V.
- 85 kA Icw for 1 s.
- Four auxiliary contacts.
Reliable Protection for Industrial Power Distribution
Air circuit breakers from the ABB Emax 3 family are designed for controlled switching and protection of high-current low-voltage electrical distribution systems. The E2.3S platform combines high current-carrying capability with electronic protection for demanding industrial applications.
The Ekip Aware LI electronic release provides configurable long-time and instantaneous protection functions, allowing the circuit breaker to be integrated into protection schemes where adjustable trip characteristics and dependable fault protection are required.
Typical Applications
- Industrial low-voltage power distribution.
- Main and secondary distribution switchboards.
- High-current industrial electrical installations.
- Transformer protection systems.
- Generator protection and switching.
- Commercial and infrastructure power distribution.
- Withdrawable circuit breaker systems requiring high short-circuit performance.
