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1SDA124892R1 ABB E4.3V 2500 Ekip Aware LI 3-Pole Air Circuit Breaker
ABB 1SDA124892R1 is a SACE Emax 3 E4.3V 2500 three-pole fixed air circuit breaker rated at 2500 A with horizontal rear terminals and an Ekip Aware LI electronic trip unit.
£11,136.11
Why Choose the ABB 1SDA124892R1 E4.3V 2500 Ekip Aware LI Air Circuit Breaker?
The ABB 1SDA124892R1 is a SACE Emax 3 E4.3V 2500 air circuit breaker designed for high-current low-voltage power distribution and circuit protection. This three-pole fixed breaker has a rated current of 2500 A and combines ABB's E4.3 frame with an Ekip Aware LI electronic trip unit.
The Ekip Aware platform combines advanced electronic protection with the scalable digital capabilities of ABB SACE Emax 3. In this LI configuration, the trip unit provides long-time and instantaneous overcurrent protection, helping protect electrical distribution systems against overload and short-circuit conditions.
The 1SDA124892R1 is supplied as a three-pole fixed breaker with horizontal rear terminals. Its E4.3V construction, 2500 A current rating and electronic protection make it suitable for demanding switchboards where high-current protection, digital monitoring capability and reliable integration are required.
Key Advantages
- 2500 A rated current for high-current low-voltage power distribution.
- Ekip Aware LI electronic trip unit for long-time and instantaneous protection.
- E4.3V configuration from ABB's SACE Emax 3 air circuit breaker family.
- Three-pole fixed construction for permanent switchboard installation.
- Horizontal rear terminals for compatible busbar and switchboard connections.
- Adjustable long-time protection from 1000–2500 A.
- Adjustable instantaneous protection from 3750–37500 A.
- Four auxiliary contacts support circuit-breaker status signalling.
Key Features
- ABB SACE Emax 3 E4.3 frame.
- V performance level.
- 2500 A rated current.
- Three-pole configuration.
- Ekip Aware LI electronic trip unit.
- Long-time (L) and instantaneous (I) protection.
- Fixed circuit-breaker version.
- Horizontal rear terminal configuration.
- Four auxiliary contacts for status signalling.
- Open/closed position indication.
- Ekip Aware platform for scalable monitoring and digital functionality.
Intelligent High-Current Power Distribution Protection
The ABB SACE Emax 3 platform combines air circuit-breaker protection with advanced digital capabilities for modern low-voltage electrical systems. The Ekip Aware LI trip unit fitted to the 1SDA124892R1 provides long-time protection against sustained overcurrent conditions together with instantaneous protection for high-level short-circuit faults.
The fixed E4.3V configuration is designed for permanent installation in compatible low-voltage switchboards. Combined with its 2500 A rating, horizontal rear terminals, auxiliary status contacts and scalable Ekip Aware architecture, the breaker provides a strong foundation for dependable protection and intelligent power distribution.
Typical Applications
- Industrial low-voltage power distribution systems.
- Main switchboards and power distribution assemblies.
- Manufacturing and process plant electrical systems.
- Commercial and infrastructure electrical installations.
- Data centres and critical power systems.
- Utility and energy infrastructure.
- Digitally monitored switchgear requiring electronic LI protection.
Technical Specifications
| Series | SACE Emax 3 |
|---|---|
| ABB order code | 1SDA124892R1 |
| Product group | Emax 3 |
| Product type | Air circuit breaker |
| Frame | E4.3 |
| Performance level | V |
| Rated current | 2500 A |
| Number of poles | 3 |
| Trip unit | Ekip Aware LI R2500 |
| Trip unit type | Electronic |
| Protection functions | LI |
| Long-time protection | L |
| Instantaneous protection | I |
| Long-time protection setting | 1000–2500 A |
| Instantaneous protection setting | 3750–37500 A |
| Version | Fixed |
| Terminal configuration | Horizontal rear terminals |
| Auxiliary contacts | 4 |
| Position indication | Open/closed |
| EAN | 8056221254441 |
Frequently Asked Questions
What is the ABB 1SDA124892R1?
The ABB 1SDA124892R1 is a SACE Emax 3 E4.3V 2500 three-pole fixed air circuit breaker equipped with an Ekip Aware LI electronic trip unit.
What is the rated current of the ABB 1SDA124892R1?
The circuit breaker has a rated current of 2500 A.
Which trip unit is fitted to the ABB E4.3V 2500?
The 1SDA124892R1 is fitted with an Ekip Aware LI R2500 electronic trip unit.
What does LI mean on the ABB 1SDA124892R1?
LI denotes long-time and instantaneous overcurrent protection functions.
How many poles does the ABB 1SDA124892R1 have?
The circuit breaker has a three-pole configuration.
Is the ABB 1SDA124892R1 fixed or withdrawable?
The 1SDA124892R1 is a fixed air circuit breaker intended for permanent installation within a compatible low-voltage switchboard.
What terminal arrangement does the ABB 1SDA124892R1 use?
The circuit breaker uses horizontal rear terminals, represented by the FHR designation.
Trusted by Power Distribution Engineers Worldwide
ABB SACE Emax 3 air circuit breakers combine advanced electronic protection, scalable digital functionality and robust high-current switching technology for demanding industrial, commercial, infrastructure and critical-power distribution systems.
