Why Choose the ABB E4.3S 3200 Ekip Aware LI 3p FHR?
The ABB 1SDA124902R1 is a high-capacity SACE Emax 3 air circuit breaker (ACB) designed for reliable protection and switching of low-voltage electrical distribution systems. As part of the advanced ABB Emax 3 circuit breaker range, it combines a 3200 A rating with an Ekip Aware electronic release and LI protection functions for demanding industrial and commercial power distribution applications.
This circuit breaker features a three-pole fixed configuration with rear-mounted horizontal terminals, providing a robust solution for high-current switchboards and distribution assemblies. The integrated Ekip Aware electronic release provides adjustable protection parameters, helping engineers configure the breaker to suit the requirements of the electrical installation.
With a rated current of 3200 A, the E4.3S 3200 is suited to high-power distribution applications where dependable overload and instantaneous short-circuit protection is required. Its fixed construction and rear horizontal connection arrangement enable straightforward integration into compatible electrical switchgear and power distribution systems.
Key Advantages
- High-capacity ABB SACE Emax 3 air circuit breaker for low-voltage power distribution.
- 3200 A rated current for high-power electrical distribution systems.
- Three-pole fixed configuration for robust switchboard installation.
- Integrated Ekip Aware electronic release with LI protection functions.
- Adjustable protection settings for flexible system coordination.
- Rear horizontal terminals simplify integration into compatible switchgear assemblies.
- High short-circuit performance suitable for demanding distribution applications.
Key Features
- ABB SACE Emax 3 air circuit breaker.
- E4.3S 3200 Ekip Aware LI 3p FHR configuration.
- 3200 A rated current.
- Three-pole fixed construction.
- Ekip Aware electronic release.
- LI protection for long-time and instantaneous overcurrent protection.
- Adjustable long-time protection setting from 1280–3200 A.
- Adjustable instantaneous protection setting from 4800–48000 A.
- 85 kA rated ultimate short-circuit breaking capacity at 440 V AC.
- 66 kA rated short-time withstand current for 1 s.
- Rear-mounted horizontal main terminals.
Reliable High-Current Power Distribution
The ABB E4.3S 3200 provides dependable circuit protection for high-current electrical distribution systems. Its Ekip Aware electronic release combines adjustable protection parameters with the LI protection scheme, allowing the breaker to be configured according to the requirements of the connected distribution network.
The fixed three-pole construction and rear horizontal terminal arrangement make the breaker suitable for integration into compatible switchboards and electrical distribution assemblies. Its high short-circuit performance further supports applications where robust protection is required across high-current industrial and infrastructure power systems.
Typical Applications
- Industrial low-voltage distribution switchboards.
- Commercial electrical distribution systems.
- High-current power distribution assemblies.
- Manufacturing plants and industrial facilities.
- Large electrical control and switchgear panels.
- Infrastructure and building power distribution systems.
- Electrical systems requiring adjustable LI circuit protection.
