Why Choose ABB 1SDA125633R1?
The ABB 1SDA125633R1 is an E1.3B 1600 Ekip Aware LI 4-pole withdrawable moving part designed for reliable low-voltage power distribution and circuit protection applications. It combines a 1600 A rated current with ABB Ekip Aware LI electronic protection technology for dependable protection and operational control.
Configured with long-time and instantaneous protection, the 1SDA125633R1 provides adjustable protection settings with an I1 range of 640–1600 A and an I3 range of 2400–24000 A. This configuration is designed for high-capacity distribution applications where adjustable overload and short-circuit protection are required.
As a 4-pole withdrawable moving part for the ABB SACE Emax 3 E1.3B platform, the 1SDA125633R1 is suitable for switchboards and distribution systems where maintainability, protection performance and controlled withdrawal are important. The unit includes four auxiliary contacts and open/closed position indication for switchgear control and monitoring.
Key Advantages
- 1600 A rated current for high-capacity low-voltage distribution systems
- 4-pole configuration for comprehensive circuit switching and protection
- Ekip Aware LI R 1600 electronic release with adjustable long-time and instantaneous protection
- Long-time protection adjustment from 640–1600 A
- Instantaneous protection adjustment from 2400–24000 A
- Withdrawable moving-part construction for easier inspection, servicing and replacement
- Four auxiliary contacts for switchgear status and control integration
- Open/closed position indication for operational monitoring
Key Features
- Manufacturer: ABB
- Product family: SACE Emax 3
- Breaker type: E1.3B
- Protection release: Ekip Aware LI R 1600
- Rated current: 1600 A
- Number of poles: 4
- Installation: Withdrawable / draw-out
- Long-time protection setting I1: 640–1600 A
- Instantaneous protection setting I3: 2400–24000 A
- Auxiliary contacts: 4
- Position indication: Open/closed
ABB SACE Emax 3 E1.3B 1600 Ekip Aware LI Protection
The ABB 1SDA125633R1 forms part of the SACE Emax 3 E1.3B family of air circuit breakers and is configured as a 4-pole moving part for withdrawable installations. Its Ekip Aware LI R 1600 electronic release provides long-time and instantaneous protection functions for high-capacity low-voltage distribution circuits.
The adjustable long-time protection range of 640–1600 A allows the protection threshold to be matched to the connected installation, while the instantaneous setting range of 2400–24000 A provides rapid response to high fault currents. This combination makes the 1SDA125633R1 suitable for demanding distribution applications requiring configurable electronic circuit protection.
As a withdrawable moving part, the 1SDA125633R1 is intended for use with compatible ABB SACE Emax 3 withdrawable assemblies. Four auxiliary contacts and open/closed indication provide additional functionality for switchboard control, breaker status monitoring and electrical system integration.
Typical Applications
- Industrial low-voltage distribution switchboards
- Commercial and infrastructure electrical distribution
- Main incoming and outgoing feeder protection
- High-capacity power distribution systems
- Industrial feeder and equipment protection
- Electrical substations and power distribution assemblies
- Switchboards requiring withdrawable air circuit breakers
- Installations requiring integrated breaker status monitoring
