Why Choose the ABB 1SDA128983R1 SACE Emax 3 E1.3C 1000 Air Circuit Breaker?
The ABB 1SDA128983R1 is a SACE Emax 3 E1.3C 1000 air circuit breaker designed for low-voltage power distribution and switching applications. This 4-pole withdrawable circuit breaker is rated at 1000 A and is equipped with an Ekip Aware LSIG trip unit for comprehensive circuit protection and monitoring.
As part of the ABB SACE Emax 3 range, the E1.3C 1000 combines high-current switching capability with advanced electronic protection. The Ekip Aware LSIG trip unit provides long-time, short-time, instantaneous and earth-fault protection functions for demanding low-voltage distribution systems.
The 1SDA128983R1 has a rated current of 1000 A and a rated ultimate short-circuit breaking capacity (Icu) of 50 kA at 415 V. It is supplied in withdrawable configuration as the moving part only (WMP); the corresponding fixed part is ordered separately.
Key Advantages
- Rated current of 1000 A for high-current low-voltage distribution and switching applications.
- 50 kA ultimate short-circuit breaking capacity (Icu) at 415 V.
- 4-pole configuration for applications requiring switching and protection across all four poles.
- Ekip Aware LSIG trip unit providing comprehensive electronic protection functions.
- Withdrawable moving-part configuration supports practical switchgear installation and maintenance arrangements.
- Moving part only (WMP), allowing the fixed part to be specified separately to suit the installation.
Key Features
- ABB SACE Emax 3 air circuit breaker.
- E1.3C 1000 frame and rating.
- Rated current In: 1000 A.
- 4-pole construction.
- Ultimate short-circuit breaking capacity Icu: 50 kA at 415 V.
- Ekip Aware LSIG electronic trip unit.
- LSIG protection: long-time, short-time, instantaneous and earth-fault functions.
- Withdrawable version.
- Supplied as moving part only (WMP).
- Fixed part ordered separately.
Advanced Protection for Low-Voltage Power Distribution
The ABB SACE Emax 3 platform is designed for reliable switching and protection in low-voltage power distribution systems. As an air circuit breaker, the 1SDA128983R1 provides a robust switching solution for installations where dependable protection of high-current distribution feeders and circuits is required.
The Ekip Aware LSIG trip unit combines electronic protection functions for long-time overload, short-time fault, instantaneous short-circuit and earth-fault conditions. Its integration with the E1.3C 1000 circuit breaker makes the 1SDA128983R1 suitable for low-voltage distribution applications requiring a 1000 A rated circuit breaker with 50 kA Icu at 415 V.
Typical Applications
- Low-voltage power distribution systems.
- Industrial electrical switchboards and distribution panels.
- 1000 A feeder protection and switching.
- Incoming circuit protection and switching.
- Commercial and infrastructure electrical distribution.
- Industrial power management systems.
- Withdrawable low-voltage switchgear assemblies.
- Applications requiring 1000 A rated current and 50 kA Icu at 415 V.
