Why Choose ABB 1SDA125377R1?
The ABB 1SDA125377R1 is an E2.3N 800 Ekip Aware LSI three-pole air circuit breaker from the SACE Emax 3 range, designed for dependable switching and protection in high-capacity low-voltage electrical distribution systems.
With an 800 A rated current and Ekip Aware LSI electronic release, this ABB air circuit breaker provides configurable long-time, short-time and instantaneous overcurrent protection for demanding industrial, commercial and infrastructure installations.
The WMP configuration and three-pole design support integration into compatible Emax 3 switchgear, while four auxiliary contacts provide practical signalling and control integration for electrical distribution systems.
Key Advantages
- 800 A rated current for high-capacity low-voltage power distribution.
- Ekip Aware LSI electronic release for configurable circuit protection.
- Long-time, short-time and instantaneous overcurrent protection functions.
- Three-pole configuration for three-phase electrical distribution systems.
- E2.3N frame size within the ABB SACE Emax 3 air circuit breaker range.
- WMP configuration for integration into compatible Emax 3 switchgear assemblies.
- Four auxiliary contacts for external signalling and control integration.
- Suitable for demanding industrial, commercial and infrastructure switchgear applications.
Key Features
- ABB SACE Emax 3 E2.3N air circuit breaker.
- 800 A rated current.
- Ekip Aware electronic release.
- LSI protection functions.
- 3-pole configuration.
- WMP configuration.
- Solid-state electronic protection technology.
- Long-time setting I1 from 320 to 800 A.
- Instantaneous setting I3 from 1200 to 12000 A.
- Four auxiliary contacts.
- Suitable for integration into compatible Emax 3 switchgear assemblies.
Advanced Electrical Distribution & Protection
The ABB 1SDA125377R1 combines SACE Emax 3 switching technology with an Ekip Aware LSI electronic release, providing adjustable long-time, short-time and instantaneous protection for high-current electrical distribution systems.
Its 800 A rating, three-pole construction and WMP configuration make it suitable for high-capacity switchgear applications where dependable circuit protection and system integration are important. Four auxiliary contacts also support connection to wider electrical control and monitoring systems.
Typical Applications
- Industrial low-voltage distribution switchboards.
- Commercial electrical distribution systems.
- Main and sub-main circuit protection.
- Manufacturing and process facilities.
- Power distribution panels and switchgear assemblies.
- Infrastructure and large-building electrical installations.
- High-current three-phase distribution systems.
- Electrical installations requiring configurable LSI electronic protection.
- Emax 3 switchgear applications requiring auxiliary signalling and control.
