Why Choose ABB 1SDA125356R1?
The ABB 1SDA125356R1 is an E1.3N 1250 Ekip Aware LI three-pole air circuit breaker from the SACE Emax 3 range, designed for reliable protection and switching in high-capacity low-voltage electrical distribution systems.
With a 1250 A rated current and Ekip Aware LI electronic release, this ABB air circuit breaker provides adjustable long-time and instantaneous overcurrent protection for demanding industrial, commercial and infrastructure installations.
The WMP draw-out configuration is designed for integration into compatible Emax 3 switchgear, while the three-pole construction and auxiliary contacts support practical installation, monitoring and maintenance of high-current distribution systems.
Key Advantages
- 1250 A rated current for high-capacity low-voltage power distribution.
- Ekip Aware electronic release for configurable electronic circuit protection.
- LI protection combining long-time and instantaneous overcurrent functions.
- Three-pole configuration for three-phase electrical distribution systems.
- E1.3N frame size within the ABB SACE Emax 3 air circuit breaker range.
- WMP draw-out configuration for convenient access during inspection and maintenance.
- 66 kA ultimate short-circuit breaking capacity at 440 V.
- 50 kA short-time withstand current for 1 s.
- Four auxiliary contacts support external signalling and control integration.
Key Features
- ABB SACE Emax 3 E1.3N air circuit breaker.
- 1250 A rated current.
- Ekip Aware electronic release.
- LI protection functions.
- 3-pole configuration.
- WMP draw-out configuration.
- Long-time setting I1 from 500 to 1250 A.
- Instantaneous setting I3 from 1875 to 18750 A.
- Four auxiliary contacts.
- Position indication for operational status monitoring.
Advanced Electrical Distribution & Protection
The ABB 1SDA125356R1 combines SACE Emax 3 switching technology with an Ekip Aware LI electronic release, providing adjustable long-time and instantaneous protection for high-current electrical distribution systems.
Its 1250 A rating, three-pole construction and WMP draw-out configuration make it suitable for high-capacity switchgear applications where dependable circuit protection, accessibility and serviceability are important. Four auxiliary contacts and position indication also support integration into 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 LI electronic protection.
- Switchgear applications requiring draw-out circuit breaker maintenance.
