Why Choose the ABB 1SDA128818R1 Emax 3 Air Circuit Breaker?
The ABB 1SDA128818R1 is an Emax 3 low-voltage air circuit breaker featuring an E2.3S 800 frame, 800 A rated current, 3-pole fixed construction, Ekip Aware LSIG electronic protection and rear horizontal terminals. It is designed for reliable protection and switching in demanding low-voltage power distribution systems.
Key Advantages
- 800 A rated current for high-capacity low-voltage power distribution.
- E2.3S 800 frame provides high short-circuit interruption performance.
- Ekip Aware LSIG protection combines long-time, short-time, instantaneous and earth-fault protection.
- 3-pole fixed construction provides a straightforward solution for suitable switchboard installations.
- Rear horizontal terminals support practical connection arrangements.
- Electronic trip protection allows precise protection settings for connected electrical systems.
Key Features
- ABB SACE Emax 3 air circuit breaker
- E2.3S 800 frame
- 800 A rated current
- 3-pole fixed version
- Ekip Aware LSIG electronic release
- Long-time, short-time, instantaneous and earth-fault protection functions
- Rear horizontal terminal configuration
- High short-circuit breaking capability
- Four auxiliary contacts
- Breaker position indication
- EAN: 8056221304474
Advanced LSIG Protection for Low-Voltage Power Distribution
The Ekip Aware LSIG release provides four principal protection functions for comprehensive circuit protection. Long-time protection addresses sustained overload conditions, short-time protection manages short-circuit events with controlled delay, instantaneous protection provides rapid response to high fault currents, and earth-fault protection detects current flowing through unintended paths to earth. With an Icu of 85 kA at 440 V and an Icw of 66 kA for 1 s, the E2.3S 800 configuration is suited to demanding low-voltage distribution applications.
Typical Applications
- Low-voltage main distribution boards
- Industrial electrical distribution systems
- Commercial power distribution installations
- Manufacturing and processing facilities
- Industrial switchboards
- Infrastructure power systems
- High-capacity electrical distribution assemblies
- Applications requiring comprehensive LSIG protection
Frequently Asked Questions
What is the ABB 1SDA128818R1?
The ABB 1SDA128818R1 is an Emax 3 E2.3S 800 low-voltage air circuit breaker with an 800 A rated current, 3-pole fixed configuration and Ekip Aware LSIG electronic release.
How many poles does the ABB 1SDA128818R1 have?
The ABB 1SDA128818R1 is a 3-pole fixed air circuit breaker.
What protection functions does the 1SDA128818R1 provide?
The Ekip Aware LSIG release provides long-time, short-time, instantaneous and earth-fault protection functions.
What is the rated current of the ABB 1SDA128818R1?
The ABB 1SDA128818R1 has a rated continuous current of 800 A.
What is the short-circuit breaking capacity of the 1SDA128818R1?
The E2.3S 800 configuration has a rated ultimate short-circuit breaking capacity of 85 kA at 440 V and a rated short-time withstand current of 66 kA for 1 s.
ABB 1SDA128818R1 combines an 800 A E2.3S Emax 3 air circuit breaker with Ekip Aware LSIG electronic protection in a 3-pole fixed configuration for demanding low-voltage power distribution applications.
Trusted for Modern Power Distribution
ABB Emax 3 air circuit breakers combine high-performance switching with advanced electronic protection for modern low-voltage distribution systems. The 1SDA128818R1 provides an 800 A E2.3S platform, comprehensive LSIG protection, rear horizontal terminals and a fixed 3-pole configuration for industrial, commercial and infrastructure applications.
