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ABB SACE Emax 3 E4.3S 4000 ACB 4 Pole 4000A 85kA Ekip Aware LI Withdrawable Moving Part
ABB 1SDA125783R1 Emax 3 E4.3S 4000 Ekip Aware LI four-pole withdrawable air circuit breaker rated at 4000 A for high-current low-voltage power distribution and protection.
£23,484.48
Why Choose the ABB 1SDA125783R1 Emax 3 Air Circuit Breaker?
The ABB 1SDA125783R1 is a high-performance Emax 3 E4.3S low-voltage air circuit breaker designed for reliable protection and control of high-current electrical distribution systems. This four-pole withdrawable circuit breaker is equipped with an Ekip Aware LI electronic protection release and is rated for a nominal current of 4000 A.
As part of the advanced ABB SACE Emax 3 series, the 1SDA125783R1 combines high-current switching capability with configurable electronic protection and monitoring functions. The Ekip Aware LI release provides long-time and instantaneous overcurrent protection for demanding industrial and commercial power distribution applications.
The E4.3S 4000 Ekip Aware LI 4p WMP configuration provides four poles and a withdrawable moving-part arrangement for use with compatible Emax 3 switchgear. With a rated short-circuit breaking capacity of 85 kA at 440 V AC, this circuit breaker is designed for high-current low-voltage electrical distribution applications.
Key Advantages
- High-performance ABB Emax 3 air circuit breaker for low-voltage power distribution.
- 4000 A rated current for high-current electrical systems.
- Four-pole configuration for comprehensive circuit protection and isolation.
- Advanced Ekip Aware LI electronic protection release.
- 85 kA short-circuit breaking capacity at 440 V AC.
- Withdrawable moving-part construction supports convenient inspection and maintenance.
Key Features
- ABB Emax 3 E4.3S series.
- 4000 A rated current.
- Four-pole configuration.
- Ekip Aware LI electronic protection release.
- 85 kA short-circuit breaking capacity at 440 V AC.
- 66 kA rated short-time withstand current for 1 s.
- Withdrawable WMP moving-part configuration.
- Long-time and instantaneous electronic overcurrent protection.
Reliable Protection for High-Current Power Distribution
Air circuit breakers such as the ABB Emax 3 E4.3S protect electrical distribution systems by detecting abnormal current conditions and interrupting the circuit when protection thresholds are reached. Electronic protection releases provide configurable protection characteristics, helping the circuit breaker respond appropriately to overload and short-circuit conditions.
The Emax 3 platform is designed for demanding low-voltage power distribution applications where high current ratings, advanced electronic protection and maintenance flexibility are required. The Ekip Aware LI release provides electronic long-time and instantaneous protection together with monitoring capabilities for modern electrical distribution systems.
Typical Applications
- Industrial low-voltage power distribution systems.
- Main switchboards and electrical distribution boards.
- Commercial building power distribution.
- Transformer and generator protection systems.
- High-current industrial electrical installations.
- Power management and electrical infrastructure applications.
Technical Specifications
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| Device Type | ACB | |
|---|---|---|
| Current | 4000 A | |
| Poles | 4-pole | |
| Phase | Three Phase | |
| Breaking Capacity | 85 kA | |
| Trip Unit | LI | |
| Application | Power distribution | |
| Mounting Type | Withdrawable | |
| Manufacturer | ABB | |
| Series | Emax 3 | |
| Model | E4.3S 4000 Ekip Aware LI 4p WMP | |
| Order code | 1SDA125783R1 | |
| Product type | Low-voltage air circuit breaker | |
| Rated current | 4000 A | |
| Number of poles | 4 | |
| Protection release | Ekip Aware LI | |
| Protection functions | Long-time and instantaneous | |
| Rated short-circuit breaking capacity | 85 kA at 440 V AC | |
| Rated short-time withstand current | 66 kA for 1 s | |
| Execution | Withdrawable | |
| Configuration | WMP | |
| HS Code | 85362090 |
Frequently Asked Questions
What is the ABB 1SDA125783R1 used for?
The ABB 1SDA125783R1 is an Emax 3 E4.3S air circuit breaker designed for protection and control of high-current low-voltage electrical distribution systems.
What is the rated current of the ABB 1SDA125783R1?
The circuit breaker has a rated current of 4000 A.
How many poles does the ABB 1SDA125783R1 have?
The ABB 1SDA125783R1 has a four-pole configuration.
What protection release is fitted to this circuit breaker?
The circuit breaker is equipped with an Ekip Aware LI electronic protection release providing long-time and instantaneous overcurrent protection.
What is the short-circuit breaking capacity?
The E4.3S 4000 configuration has a rated short-circuit breaking capacity of 85 kA at 440 V AC.
Trusted by Electrical Engineers Worldwide
ABB Emax 3 air circuit breakers are designed for demanding power distribution applications, combining high-current switching capability, advanced electronic protection and flexible withdrawable installation arrangements for modern electrical infrastructure.
