Why Choose the ABB 1SDA125381R1?
The ABB 1SDA125381R1 is an E2.3S 800 Ekip Aware LI 3-pole WMP air circuit breaker from the SACE Emax 3 range, providing high-capacity protection for demanding low-voltage electrical distribution systems.
With a rated current of 800 A and an Ekip Aware LI electronic release, the breaker provides adjustable long-time and instantaneous overcurrent protection for industrial power distribution and high-current feeder applications.
The WMP moving-part configuration is designed for withdrawable Emax 3 installations and includes four auxiliary contacts and breaker position indication for practical control, monitoring and maintenance.
Key Advantages
- 800 A rated current for high-capacity low-voltage distribution
- 3-pole configuration for three-phase electrical systems
- Ekip Aware LI electronic release with long-time and instantaneous protection
- Adjustable long-time protection setting from 320–800 A
- Adjustable instantaneous protection setting from 1200–12000 A
- WMP moving-part configuration for withdrawable Emax 3 installations
- Four auxiliary contacts for control and status signalling
- Open/closed breaker position indication
- High short-circuit performance for demanding distribution applications
Key Features
- Manufacturer: ABB
- Part number: 1SDA125381R1
- Product family: SACE Emax 3
- Breaker type: E2.3S 800
- Rated current: 800 A
- Number of poles: 3
- Electronic release: Ekip Aware
- Protection functions: LI
- Long-time protection adjustment: I1 = 320–800 A
- Instantaneous protection adjustment: I3 = 1200–12000 A
- Configuration: WMP moving part for withdrawable installation
- Auxiliary contacts: 4
- Breaker position indication: open/closed
- Rated short-circuit breaking capacity Icu: 85 kA at 440 V AC
- Rated short-time withstand current Icw: 66 kA for 1 s
- EAN: 8056221259330
Reliable Power Protection for Industrial Machinery
The ABB 1SDA125381R1 provides high-capacity circuit protection for electrical distribution systems where adjustable long-time and instantaneous overcurrent protection is required. Its Ekip Aware LI release supports coordinated protection across demanding industrial power networks.
As part of the SACE Emax 3 platform, this 800 A three-pole WMP configuration is suited to withdrawable switchgear assemblies where accessibility for inspection, servicing and replacement is important. The four auxiliary contacts and breaker position indication also support control and monitoring requirements.
Typical Applications
- Industrial low-voltage main distribution
- Factory and manufacturing switchboards
- High-current feeder protection
- Industrial power distribution assemblies
- Commercial electrical distribution systems
- Electrical infrastructure and distribution boards
- High-capacity feeder and incomer protection
- ABB SACE Emax 3 withdrawable switchgear
