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ABB SACE Emax 3 E4.3N 3200 ACB 3 Pole 3200A 66kA Ekip Aware LSIG Fixed Rear Terminals
ABB SACE Emax 3 E4.3N 3200 is a three-pole 3200 A fixed air circuit breaker with Ekip Aware LSIG trip unit, rear horizontal terminals and 66 kA ultimate short-circuit breaking capacity at 415 V.
£10,121.19
Why Choose the ABB SACE Emax 3 E4.3N 3200 Air Circuit Breaker?
The ABB SACE Emax 3 E4.3N 3200 is a high-performance air circuit breaker (ACB) designed for reliable protection and switching of low-voltage electrical distribution systems. As part of the advanced ABB SACE Emax 3 series, this three-pole breaker is engineered for demanding industrial and commercial power distribution applications requiring dependable protection, high current capacity and efficient fault interruption.
This breaker combines a 3200 A rated current with an Ekip Aware LSIG electronic trip unit, providing comprehensive long-time, short-time, instantaneous and earth-fault protection functions. The fixed construction with rear horizontal terminals enables integration into compatible switchboards and electrical distribution assemblies where rear connection arrangements are required.
With a rated ultimate short-circuit breaking capacity of 66 kA at 415 V, the ABB E4.3N 3200 provides dependable fault interruption for high-current low-voltage installations. Its three-pole fixed design delivers reliable switching and protection performance for industrial electrical distribution systems.
Key Advantages
- High-performance ABB SACE Emax 3 air circuit breaker for low-voltage power distribution.
- 3200 A rated current suitable for high-current electrical systems.
- 66 kA rated ultimate short-circuit breaking capacity at 415 V.
- Three-pole configuration for three-phase electrical distribution applications.
- Ekip Aware LSIG electronic trip unit providing advanced circuit protection functions.
- Fixed version with rear horizontal terminals for switchgear installation flexibility.
Key Features
- ABB SACE Emax 3 series.
- E4.3N 3200 breaker configuration.
- 3200 A rated current.
- 66 kA rated ultimate short-circuit breaking capacity at 415 V.
- Three-pole construction.
- Ekip Aware LSIG electronic trip unit.
- Fixed installation version.
- Rear horizontal terminal connection.
- Designed for demanding industrial low-voltage switchgear applications.
Reliable Protection for High-Power Electrical Distribution
Air circuit breakers such as the ABB SACE Emax 3 E4.3N 3200 are designed to protect electrical distribution systems against overloads and short-circuit conditions while providing controlled switching of high-current circuits. Their robust construction and reliable interruption capability make them suitable for industrial switchboards and demanding low-voltage installations.
The Ekip Aware LSIG trip unit provides electronic protection functions covering long-time, short-time, instantaneous and earth-fault conditions. This enables effective protection coordination and improved reliability within modern electrical distribution networks.
Typical Applications
- Industrial low-voltage switchboards.
- Main electrical distribution systems.
- Manufacturing plants and industrial facilities.
- Commercial and infrastructure electrical installations.
- High-current switchgear assemblies.
- Fixed SACE Emax 3 distribution applications.
Technical Specifications
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| Trip Unit | LSIG | |
|---|---|---|
| Device Type | ACB | |
| Current | 3200 A | |
| Poles | 3-pole | |
| Phase | Three Phase | |
| Breaking Capacity | 66 kA | |
| Application | Power distribution | |
| Mounting Type | Fixed | |
| Manufacturer | ABB | |
| Series | SACE Emax 3 | |
| Model | E4.3N 3200 | |
| Product type | Air circuit breaker | |
| Part number | 1SDA128839R1 | |
| Rated current (In) | 3200 A | |
| Number of poles | 3 | |
| Rated ultimate short-circuit breaking capacity (Icu) | 66 kA at 415 V | |
| Trip unit | Ekip Aware LSIG | |
| Installation type | Fixed | |
| Terminal configuration | Rear horizontal terminals | |
| HS Code | 85362090 |
Frequently Asked Questions
What is the ABB Emax 3 E4.3N 3200 used for?
This air circuit breaker is used for protection and switching of high-current low-voltage electrical distribution systems in industrial, commercial and infrastructure installations.
What is the rated current of this circuit breaker?
The ABB E4.3N 3200 has a rated current of 3200 A.
What is the short-circuit breaking capacity?
The breaker has a rated ultimate short-circuit breaking capacity of 66 kA at 415 V.
How many poles does the breaker have?
The ABB E4.3N 3200 is a three-pole air circuit breaker.
What trip unit is fitted?
This version is fitted with the Ekip Aware LSIG electronic trip unit, providing long-time, short-time, instantaneous and earth-fault protection functions.
Is the breaker fixed or withdrawable?
The ABB 1SDA128839R1 is a fixed version air circuit breaker with rear horizontal terminals.
Trusted by Power Distribution Professionals Worldwide
ABB SACE Emax 3 air circuit breakers are engineered for demanding low-voltage distribution systems where dependable circuit protection, reliable switching and high-performance fault interruption are required.
