Why Choose the ABB 1SDA125371R1?
The ABB 1SDA125371R1 is an E1.3N 1600 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 1600 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, breaker position indication and an optional motor drive for enhanced control and operational flexibility.
Key Advantages
- 1600 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 640–1600 A
- Adjustable instantaneous protection setting from 2400–24000 A
- WMP moving-part configuration for withdrawable Emax 3 installations
- Four auxiliary change-over contacts for control and status signalling
- Open/closed breaker position indication
- Optional motor drive for remote operation
Key Features
- Manufacturer: ABB
- Part number: 1SDA125371R1
- Product family: SACE Emax 3
- Breaker type: E1.3N 1600
- Rated current: 1600 A
- Rated voltage: 690 V AC
- Number of poles: 3
- Electronic release: Ekip Aware
- Protection functions: LI
- Long-time protection adjustment: I1 = 640–1600 A
- Instantaneous protection adjustment: I3 = 2400–24000 A
- Rated short-circuit breaking capacity Icu: 66 kA at 400 V, 50 Hz
- Configuration: WMP moving part for withdrawable installation
- Auxiliary contacts: 4 change-over contacts
- Alarm indication: included
- Motor drive: optional
- Degree of protection: IP30
- EAN: 8056221259231
Reliable Power Protection for Industrial Machinery
The ABB 1SDA125371R1 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 protection coordination across demanding industrial power networks.
As part of the SACE Emax 3 platform, this 1600 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 optional motor drive also support control and monitoring requirements.
Typical Applications
- Industrial low-voltage main distribution
- Factory and manufacturing switchboards
- High-current feeder protection
- Transformer and generator protection systems
- Industrial power distribution assemblies
- Commercial electrical distribution infrastructure
- Electrical distribution boards and switchgear
- ABB SACE Emax 3 withdrawable switchgear
