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ABB SACE Emax 3 E2.3N 2500 ACB 3 Pole 2500A 66kA Ekip Aware LSI Fixed Rear Terminals
ABB 1SDA124873R1 Emax 3 E2.3N 2500 A three-pole fixed air circuit breaker with Ekip Aware LSI electronic protection for high-current low-voltage power distribution.
£7,386.47
Why Choose the ABB 1SDA124873R1 Emax 3 Air Circuit Breaker?
The ABB 1SDA124873R1 is a high-performance air circuit breaker (ACB) from the ABB SACE Emax 3 series, designed for reliable protection and switching of high-current low-voltage electrical distribution systems. This E2.3N 2500 Ekip Aware LSI breaker provides a three-pole fixed configuration for demanding industrial, commercial and infrastructure power distribution applications.
The breaker incorporates an Ekip Aware LSI electronic trip unit with adjustable long-time, short-time and instantaneous short-circuit protection. Its fixed construction, rear horizontal connections and integrated auxiliary contacts support dependable installation and monitoring within compatible switchboards and electrical distribution assemblies.
With a rated uninterrupted current of 2500 A and a rated voltage of 690 V AC, the ABB 1SDA124873R1 is suitable for high-current electrical distribution applications. The E2.3N frame provides a 66 kA rated short-circuit breaking capacity at 400 V AC, making it suitable for demanding power distribution systems.
Key Advantages
- High-capacity ABB SACE Emax 3 air circuit breaker for low-voltage power distribution.
- 2500 A rated uninterrupted current for high-current electrical installations.
- Three-pole fixed construction for robust switchboard integration.
- Integrated Ekip Aware LSI electronic protection.
- 66 kA rated short-circuit breaking capacity at 400 V AC.
- Adjustable protection settings support electrical system coordination.
- Rear horizontal main-circuit connections for compatible switchboard installations.
Key Features
- ABB SACE Emax 3 E2.3N series.
- 2500 A rated uninterrupted current.
- Ekip Aware LSI electronic trip unit.
- Three-pole fixed configuration.
- 66 kA rated short-circuit breaking capacity at 400 V AC.
- 1000–2500 A long-time overload protection setting.
- 1500–25000 A short-time protection setting.
- 3750–37500 A instantaneous short-circuit protection setting.
- Rear horizontal main-circuit connection arrangement.
- Four changeover auxiliary contacts.
- Integrated trip contact and open/closed position indication.
Reliable Protection for High-Current Power Distribution
Air circuit breakers such as the ABB Emax 3 E2.3N protect electrical distribution systems by monitoring current and interrupting circuits when abnormal operating conditions occur. The adjustable Ekip Aware LSI electronic release provides configurable long-time, short-time and instantaneous protection functions to support the requirements of high-current installations.
The Emax 3 platform is designed for demanding low-voltage distribution applications where reliable switching, circuit protection and system coordination are required. The fixed three-pole construction and rear horizontal connection arrangement make the 1SDA124873R1 suitable for integration into compatible industrial and commercial switchboards.
Typical Applications
- Industrial low-voltage power distribution systems.
- Main electrical switchboards and distribution panels.
- Transformer protection and distribution equipment.
- Generator and installation protection systems.
- Industrial manufacturing and processing facilities.
- Commercial and infrastructure power distribution systems.
Technical Specifications
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| Trip Unit | LSI | |
|---|---|---|
| Device Type | ACB | |
| Current | 2500 A | |
| Poles | 3-pole | |
| Phase | Three Phase | |
| Breaking Capacity | 66 kA | |
| Application | Power distribution | |
| Mounting Type | Fixed | |
| Manufacturer | ABB | |
| Series | SACE Emax 3 | |
| Model | E2.3N 2500 Ekip Aware LSI 3p FHR | |
| Product type | Air circuit breaker | |
| Rated uninterrupted current (Iu) | 2500 A | |
| Rated voltage | 690 V AC | |
| Number of poles | 3 | |
| Construction | Fixed | |
| Trip unit | Ekip Aware LSI | |
| Rated short-circuit breaking capacity (Icu) at 400 V AC | 66 kA | |
| Long-time overload current setting | 1000–2500 A | |
| Short-time short-circuit current setting | 1500–25000 A | |
| Instantaneous short-circuit current setting | 3750–37500 A | |
| Earth-fault protection | Not integrated | |
| Main circuit connection | Rear horizontal connection | |
| Auxiliary contacts | 4 changeover contacts | |
| Protection rating | IP30 | |
| Operating element | Push button | |
| Motor operator | Optional | |
| Weight | approx. 41 kg | |
| HS Code | 85362090 |
Frequently Asked Questions
What is the ABB 1SDA124873R1 used for?
The ABB 1SDA124873R1 is an Emax 3 air circuit breaker designed to protect and switch high-current low-voltage electrical distribution systems.
What is the rated current of this circuit breaker?
The ABB 1SDA124873R1 has a rated uninterrupted current of 2500 A.
What type of protection does the ABB 1SDA124873R1 provide?
The breaker uses an Ekip Aware LSI electronic trip unit with adjustable long-time, short-time and instantaneous short-circuit protection functions.
What is the short-circuit breaking capacity?
The ABB 1SDA124873R1 has a rated short-circuit breaking capacity of 66 kA at 400 V AC.
How many poles does this circuit breaker have?
The ABB 1SDA124873R1 is a three-pole fixed air circuit breaker with rear horizontal main-circuit connections.
Trusted for Industrial Power Distribution
ABB SACE Emax 3 air circuit breakers are designed for reliable switching and protection in demanding low-voltage electrical distribution systems, providing configurable electronic protection for industrial, commercial and infrastructure applications.
