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1SDA124933R1 ABB E4.3V 4000 Ekip Aware LSI 3-Pole Air Circuit Breaker
ABB 1SDA124933R1 is an Emax 3 E4.3V 4000 A three-pole fixed air circuit breaker with horizontal rear terminals and an Ekip Aware LSI electronic trip unit for high-current low-voltage circuit protection.
£20,284.62
Why Choose the ABB 1SDA124933R1 E4.3V 4000 Ekip Aware LSI Air Circuit Breaker?
The ABB 1SDA124933R1 is a high-performance Emax 3 air circuit breaker designed for demanding low-voltage power distribution applications. Configured as an E4.3V 4000 three-pole fixed circuit breaker, it provides a rated current of 4000 A for high-current electrical distribution systems.
Protection is provided by the ABB Ekip Aware LSI electronic trip unit, combining long-time, short-time and instantaneous overcurrent protection functions. This electronic protection platform helps safeguard circuits and connected equipment while providing the advanced functionality associated with ABB's latest Emax 3 circuit-breaker generation.
The three-pole fixed configuration incorporates horizontal rear terminals for permanent switchboard installation. Combining the E4.3 frame, V performance level, 4000 A current rating and Ekip Aware protection, the 1SDA124933R1 is engineered for high-current distribution systems where dependable protection, performance and switchboard integration are essential.
Key Advantages
- High-capacity 4000 A air circuit breaker for demanding low-voltage power distribution.
- Ekip Aware LSI electronic trip unit provides advanced overcurrent protection.
- LSI functionality incorporates long-time, short-time and instantaneous protection.
- E4.3V configuration combines high current capacity with ABB's V performance level.
- Three-pole fixed construction provides a robust solution for permanent switchboard installation.
- Horizontal rear terminals support practical integration into compatible switchgear assemblies.
- Part of ABB's advanced Emax 3 air circuit breaker platform.
Key Features
- ABB Emax 3 series.
- E4.3V 4000 configuration.
- 4000 A rated current.
- Three-pole configuration.
- Ekip Aware electronic trip unit.
- LSI protection functions.
- Long-time overcurrent protection.
- Short-time short-circuit protection.
- Instantaneous short-circuit protection.
- Fixed circuit-breaker construction.
- Horizontal rear terminals.
- Designed for high-current low-voltage power distribution and switchgear applications.
Advanced Protection for High-Current Power Distribution
High-current low-voltage distribution systems require circuit breakers capable of protecting conductors, switchgear and connected equipment against overloads and short-circuit faults. The ABB Emax 3 platform combines air circuit-breaker technology with electronic protection to provide dependable switching and fault protection for demanding electrical distribution applications.
The Ekip Aware LSI trip unit fitted to the 1SDA124933R1 provides long-time, short-time and instantaneous protection functions. Combined with the E4.3V frame, 4000 A current rating and fixed horizontal-rear-terminal configuration, it provides a robust protection solution for high-capacity switchboards, industrial power systems and critical electrical infrastructure.
Typical Applications
- Main low-voltage switchboards.
- Industrial power distribution systems.
- Data centres and critical power infrastructure.
- Commercial and large-building electrical distribution.
- Manufacturing and process facilities.
- Utility and infrastructure power distribution.
- High-current generator and transformer distribution systems.
Technical Specifications
| Product group | Emax 3 |
|---|---|
| Series | Emax 3 |
| ABB order code | 1SDA124933R1 |
| Product type | Air circuit breaker |
| Frame | E4.3 |
| Performance level | V |
| Rated current (In) | 4000 A |
| Number of poles | 3 |
| Trip unit | Ekip Aware |
| Protection functions | LSI |
| Long-time protection (L) | Yes |
| Short-time protection (S) | Yes |
| Instantaneous protection (I) | Yes |
| Construction | Fixed circuit breaker |
| Terminal arrangement | Horizontal rear terminals |
Frequently Asked Questions
What is the ABB 1SDA124933R1 used for?
The ABB 1SDA124933R1 is a 4000 A three-pole air circuit breaker designed for switching and protecting high-current low-voltage electrical distribution systems.
What current rating does the ABB 1SDA124933R1 have?
The ABB 1SDA124933R1 has a rated current of 4000 A and uses the E4.3 frame within ABB's Emax 3 air circuit breaker range.
Which trip unit is fitted to the ABB 1SDA124933R1?
The circuit breaker is equipped with an ABB Ekip Aware LSI electronic trip unit for advanced overcurrent protection.
What does LSI protection mean on the ABB 1SDA124933R1?
LSI indicates that the trip unit provides long-time (L), short-time (S) and instantaneous (I) overcurrent protection functions.
Is the ABB 1SDA124933R1 fixed or withdrawable?
The 1SDA124933R1 is a fixed three-pole circuit breaker configured with horizontal rear terminals for permanent installation within compatible low-voltage switchgear.
Advanced Air Circuit Breaker Technology from ABB
ABB Emax 3 air circuit breakers combine high-current switching capability with advanced Ekip electronic protection, providing dependable circuit protection and flexible integration for industrial, commercial and critical low-voltage power distribution systems.
