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ABB SACE Emax 3 E4.3H 4000 ACB 3 Pole 4000A 100kA Ekip Aware LI Fixed Rear Terminals
ABB SACE Emax 3 E4.3H 4000 air circuit breaker with 4000 A rated current, 100 kA breaking capacity at 415 V AC and Ekip Aware LI trip unit for high-capacity power protection.
£16,633.68
Why Choose the ABB SACE Emax 3 E4.3H 4000 Air Circuit Breaker?
The ABB 1SDA124927R1 is a high-performance SACE Emax 3 E4.3H 4000 air circuit breaker (ACB) designed for reliable protection, switching and control of high-capacity low-voltage electrical distribution systems. As part of the advanced ABB SACE Emax 3 circuit breaker series, it provides modern protection technology for industrial plants, infrastructure projects and critical power installations.
This circuit breaker combines high current handling capability with intelligent protection functionality through the integrated Ekip Aware LI trip unit. The fixed version with rear horizontal terminals provides a practical connection arrangement for switchboards while ensuring dependable operation in demanding electrical environments.
With a rated current of 4000 A and an ultimate short-circuit breaking capacity of 100 kA at 415 V AC, the ABB SACE Emax 3 E4.3H 4000 is designed for demanding power distribution applications requiring reliable fault interruption and robust electrical protection.
Key Advantages
- SACE Emax 3 air circuit breaker technology for advanced low-voltage power protection.
- 4000 A rated current for high-capacity electrical distribution applications.
- 100 kA Icu at 415 V AC for dependable short-circuit interruption performance.
- Integrated Ekip Aware LI trip unit providing long-time and instantaneous protection functions.
- Fixed version design for secure switchboard installation.
- Rear horizontal terminals provide a practical connection solution for large power assemblies.
Key Features
- ABB SACE Emax 3 series.
- E4.3H 4000 frame size.
- 3-pole air circuit breaker configuration.
- 4000 A rated current (In).
- 100 kA ultimate short-circuit breaking capacity (Icu) at 415 V AC.
- Ekip Aware LI trip unit.
- Fixed installation version.
- Rear horizontal terminal connection arrangement.
- Designed for large-scale industrial and infrastructure power distribution systems.
Reliable Power Protection for Industrial Systems
Air circuit breakers such as the ABB SACE Emax 3 E4.3H 4000 provide essential protection for electrical systems by detecting fault conditions and safely interrupting current flow. The integrated trip unit supports accurate protection coordination and improved reliability across demanding power networks.
The SACE Emax 3 platform is engineered for modern electrical distribution, combining high breaking performance, intelligent protection features and flexible installation configurations for large industrial applications.
Typical Applications
- Large industrial power distribution switchboards.
- Power generation and infrastructure installations.
- Main low-voltage distribution systems.
- Transformer and generator protection applications.
- Heavy industrial manufacturing facilities.
- Energy management and electrical automation systems.
Technical Specifications
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| Trip Unit | LI | |
|---|---|---|
| Device Type | ACB | |
| Current | 4000 A | |
| Poles | 3-pole | |
| Phase | Three Phase | |
| Breaking Capacity | 100 kA | |
| Application | Power distribution | |
| Mounting Type | Fixed | |
| Manufacturer | ABB | |
| Product series | SACE Emax 3 | |
| Model | E4.3H 4000 | |
| Part number | 1SDA124927R1 | |
| Product type | Air circuit breaker (ACB) | |
| Frame size | E4.3H | |
| Rated current (In) | 4000 A | |
| Number of poles | 3 poles | |
| Rated ultimate short-circuit breaking capacity (Icu) | 100 kA at 415 V AC | |
| Trip unit | Ekip Aware LI | |
| Installation version | Fixed | |
| Terminal arrangement | Rear horizontal terminals | |
| HS Code | 85362090 |
Frequently Asked Questions
What is the ABB 1SDA124927R1 used for?
The ABB 1SDA124927R1 is an SACE Emax 3 air circuit breaker designed for protecting and controlling high-capacity low-voltage electrical distribution systems.
What is the rated current of this circuit breaker?
The ABB SACE Emax 3 E4.3H 4000 has a rated current of 4000 A.
What is the breaking capacity of the ABB E4.3H 4000?
The circuit breaker provides an Icu of 100 kA at 415 V AC.
Which trip unit is fitted to this circuit breaker?
The ABB 1SDA124927R1 is equipped with an Ekip Aware LI trip unit for advanced protection functionality.
What terminal arrangement does this ABB circuit breaker have?
This version is supplied with rear horizontal terminals for connection within electrical switchboards.
Trusted by Power Distribution Professionals Worldwide
ABB SACE Emax 3 air circuit breakers are used in demanding electrical distribution applications to provide reliable protection, efficient operation and advanced monitoring capabilities for modern power systems.
