Why Choose the ABB 1SDA125372R1?
The ABB 1SDA125372R1 is an E1.3N 1600 Ekip Aware LSI 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 LSI electronic release, the breaker provides long-time, short-time and instantaneous overcurrent protection with adjustable settings for coordinated protection of industrial power networks.
The WMP moving-part configuration is designed for withdrawable Emax 3 installations and includes four auxiliary contacts, open/closed breaker position indication and provision for an optional motor drive.
Key Advantages
- 1600 A rated current for high-capacity low-voltage distribution
- 3-pole configuration for three-phase electrical systems
- Ekip Aware LSI electronic release with long-time, short-time and instantaneous protection
- Adjustable long-time protection setting from 640–1600 A
- Adjustable short-time protection setting from 960–16000 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 capability for remote operation
Key Features
- Manufacturer: ABB
- Part number: 1SDA125372R1
- Product family: SACE Emax 3
- Breaker type: E1.3N 1600
- Rated current: 1600 A
- Rated voltage: up to 690 V AC
- Number of poles: 3
- Electronic release: Ekip Aware
- Protection functions: LSI
- Long-time protection adjustment: I1 = 640–1600 A
- Short-time protection adjustment: I2 = 960–16000 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
- Breaker position indication: open/closed
- Motor drive: optional
- Degree of protection: IP30
- EAN: 8056221259248
Reliable Power Protection for Industrial Machinery
The ABB 1SDA125372R1 provides high-capacity circuit protection for electrical distribution systems where adjustable and coordinated overcurrent protection is required. Its Ekip Aware LSI release combines long-time, short-time and instantaneous protection functions for demanding industrial power distribution applications.
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 breaker position indication also support integration with control and monitoring systems.
Typical Applications
- Industrial low-voltage main distribution
- Factory and manufacturing switchboards
- High-current feeder protection
- Transformer and generator protection assemblies
- Industrial power distribution systems
- Commercial electrical distribution infrastructure
- Electrical distribution boards and switchgear
- ABB SACE Emax 3 withdrawable switchgear
