Standard delivery
£8 ex VAT · free over £200UK parcel delivery is £8 ex VAT, or free on orders over £200 ex VAT.
Heavier items may be charged at a weight-based or pallet rate, shown at checkout.
ABB SACE Emax 3 E2.3B 1600 ACB 3 Pole 1600A 42kA Ekip Aware LI Withdrawable Moving Part
ABB 1SDA125421R1 Emax 3 E2.3B 1600 three-pole withdrawable air circuit breaker moving part with Ekip Aware LI electronic protection for high-current low-voltage power distribution.
£4,651.81
Why Choose the ABB 1SDA125421R1 Emax 3 Air Circuit Breaker?
The ABB 1SDA125421R1 is a high-performance SACE Emax 3 air circuit breaker configured as an E2.3B 1600 three-pole withdrawable moving part with an advanced Ekip Aware LI electronic release. It is designed for reliable protection and switching in demanding low-voltage industrial power distribution systems.
As part of the ABB Emax 3 air circuit breaker series, this unit combines high current-carrying capability with electronic protection functions for industrial electrical installations. The Ekip Aware LI release provides long-time and instantaneous protection, supporting dependable protection against overload and short-circuit conditions.
With a rated permanent current of 1600 A and a three-pole configuration, the 1SDA125421R1 is suitable for high-capacity power distribution, transformer protection, generator protection and installation protection applications. Its withdrawable moving-part format is designed for use with compatible Emax 3 E2.3B systems.
Key Advantages
- High-capacity Emax 3 air circuit breaker for industrial power distribution.
- 1600 A rated permanent current for high-load electrical installations.
- Three-pole configuration for three-phase low-voltage distribution systems.
- Advanced Ekip Aware LI electronic protection.
- Adjustable long-time and instantaneous short-circuit protection.
- Withdrawable moving-part configuration for practical installation and maintenance.
Key Features
- ABB SACE Emax 3 E2.3B series.
- 1600 A rated permanent current.
- Ekip Aware LI electronic release.
- Three-pole withdrawable moving-part configuration.
- Long-time and instantaneous LI protection functions.
- I1 adjustment range of 640–1600 A.
- I3 adjustment range of 2400–24000 A.
- Designed for high-capacity industrial power distribution and protection systems.
Reliable Protection for Industrial Power Distribution
Air circuit breakers such as the ABB Emax 3 E2.3B provide controlled switching and protection for high-current low-voltage electrical distribution systems. By combining high current ratings with electronic protection, they help protect electrical equipment against overload and short-circuit conditions.
The Ekip Aware LI electronic release provides configurable long-time and instantaneous protection functions. This makes the Emax 3 platform suitable for demanding applications where reliable electrical protection and coordinated operation are important.
Typical Applications
- Industrial low-voltage power distribution.
- Transformer protection systems.
- Generator protection and switching.
- Main distribution switchboards.
- High-current industrial installations.
- Commercial and infrastructure electrical distribution systems.
- Power distribution equipment requiring withdrawable circuit breaker technology.
Technical Specifications
Tick the specs you need, then view products that match.
| Device Type | ACB | |
|---|---|---|
| Current | 1600 A | |
| Poles | 3-pole | |
| Phase | Three Phase | |
| Breaking Capacity | 42 kA | |
| Trip Unit | LI | |
| Application | Power distribution | |
| Mounting Type | Withdrawable | |
| Manufacturer | ABB | |
| Series | SACE Emax 3 | |
| Model | E2.3B 1600 Ekip Aware LI 3p WMP | |
| Order code | 1SDA125421R1 | |
| Product type | Air circuit breaker moving part | |
| Rated permanent current (Iu) | 1600 A | |
| Number of poles | 3 | |
| Protection release | Ekip Aware LI electronic release | |
| Protection functions | LI | |
| Long-time protection setting (I1) | 640–1600 A | |
| Instantaneous short-circuit protection setting (I3) | 2400–24000 A | |
| Construction | Withdrawable / moving part | |
| EAN | 8056221259736 | |
| HS Code | 85362090 |
Frequently Asked Questions
What is the ABB 1SDA125421R1 used for?
The ABB 1SDA125421R1 is a three-pole Emax 3 E2.3B air circuit breaker moving part designed for high-current industrial power distribution, transformer, generator and installation protection.
What is the rated current of the ABB 1SDA125421R1?
The E2.3B circuit breaker has a rated permanent current of 1600 A.
What protection release does the 1SDA125421R1 use?
The unit uses an Ekip Aware LI electronic release providing long-time and instantaneous protection functions.
What are the protection adjustment ranges?
The long-time protection setting can be adjusted from 640 A to 1600 A, while the instantaneous short-circuit setting can be adjusted from 2400 A to 24000 A.
Is the ABB 1SDA125421R1 a withdrawable circuit breaker configuration?
Yes. The 1SDA125421R1 is specified as a three-pole withdrawable moving part for the compatible ABB SACE Emax 3 E2.3B system.
Trusted for High-Capacity Power Distribution
ABB Emax 3 air circuit breakers are designed for demanding low-voltage electrical distribution systems, combining high current-carrying capability, electronic protection and flexible installation configurations for industrial power applications.
