Why Choose the ABB 1SDA125351R1?
The ABB 1SDA125351R1 is an Emax 3 E1.3C 1250 Ekip Aware LI 3-pole WMP air circuit breaker moving part designed for reliable low-voltage power distribution and protection in demanding electrical installations.
Rated at 1250 A, this SACE Emax 3 component incorporates an Ekip Aware LI electronic release with adjustable long-time and instantaneous overcurrent protection for dependable management of electrical faults.
Designed for ABB E1.3C 1250 withdrawable air circuit breaker systems, the 1SDA125351R1 combines electronic protection, high-current switching capability and practical withdrawable construction for industrial and commercial switchboards.
Key Advantages
- 1250 A rated current for high-capacity low-voltage distribution
- 3-pole configuration for three-phase electrical systems
- Ekip Aware LI electronic release for dependable overcurrent protection
- Adjustable long-time and instantaneous protection functions
- WMP moving part configuration for Emax 3 withdrawable systems
- Solid-state Ekip/Aware-LI R 1250 release technology
- Four auxiliary contacts for control and indication circuits
- Open/closed breaker position indication for operational monitoring
Key Features
- ABB SACE Emax 3 air circuit breaker component
- Model: E1.3C 1250
- Rated current: 1250 A
- Number of poles: 3
- Electronic release: Ekip Aware
- Protection functions: LI
- Configuration: WMP moving part
- Long-time protection adjustment I1: 500–1250 A
- Instantaneous protection adjustment I3: 1875–18750 A
- Four auxiliary contacts
- Open/closed breaker position indication
- EAN: 8056221259033
Reliable Power Protection for Industrial Machinery
The ABB 1SDA125351R1 provides configurable electronic protection for electrical distribution systems supplying industrial machinery, plant equipment and other high-load installations. Its Ekip Aware LI release provides long-time and instantaneous protection settings to accommodate different distribution requirements.
As part of the ABB SACE Emax 3 platform, this 1250 A 3-pole moving part is designed for integration into compatible withdrawable assemblies, while its auxiliary contacts and breaker position indication support monitoring and control functions within professional switchboard installations.
Typical Applications
- Industrial low-voltage main distribution
- Factory and manufacturing switchboards
- Commercial electrical distribution systems
- High-current feeder protection
- Industrial power distribution assemblies
- Electrical infrastructure and distribution boards
- ABB SACE Emax 3 withdrawable switchgear installations
