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 1SDA128855R1 E6.3X 6300 Ekip Aware LSIG three-pole fixed air circuit breaker with 6300 A rated current and advanced LSIG electronic protection.
£45,253.98
The ABB 1SDA128855R1 is a high-performance low-voltage air circuit breaker (ACB) from the ABB SACE Emax 3 range, designed for advanced protection, switching and control in critical high-current electrical distribution systems. This model is the E6.3X 6300 Ekip Aware LSIG configuration, providing a three-pole fixed construction with an advanced Ekip electronic release.
The integrated Ekip Aware LSIG protection system provides comprehensive circuit protection through long-time, short-time, instantaneous and ground-fault protection functions. The Emax 3 platform combines high interrupting performance, intelligent monitoring capabilities and flexible integration options for modern low-voltage power distribution networks.
With a 6300 A rated current, the 1SDA128855R1 is designed for demanding electrical distribution applications including large industrial facilities, infrastructure systems and high-power switchboards where dependable protection and operational continuity are essential.
Air circuit breakers such as the ABB Emax 3 E6.3X provide intelligent switching and protection for high-current electrical networks. The Ekip Aware LSIG electronic release continuously manages protection functions to help safeguard electrical infrastructure, equipment and connected loads against fault conditions.
The 1SDA128855R1 combines a high-current fixed breaker design with advanced electronic protection and monitoring technology. Its Emax 3 architecture supports reliable operation in demanding environments where power availability, safety and system integration are essential.
Tick the specs you need, then view products that match.
| Device Type | ACB | |
|---|---|---|
| Current | 6300 A | |
| Poles | 3-pole | |
| Phase | Three Phase | |
| Breaking Capacity | 150 kA | |
| Trip Unit | LSIG | |
| Application | Power distribution | |
| Mounting Type | Fixed | |
| Manufacturer | ABB | |
| Series | SACE Emax 3 | |
| Model | E6.3X 6300 Ekip Aware LSIG 3p F HR | |
| Product type | Low-voltage air circuit breaker | |
| Order code | 1SDA128855R1 | |
| Rated current | 6300 A | |
| Number of poles | 3 | |
| Configuration | Fixed | |
| Release unit | Ekip Aware LSIG | |
| Protection functions | LSIG | |
| Rated voltage | 690 V AC | |
| Frequency | 50 / 60 Hz | |
| Frame size | E6.3X | |
| EAN | 8056221304849 | |
| HS Code | 85362090 |
The ABB 1SDA128855R1 is a high-current three-pole fixed air circuit breaker designed for protection and switching in low-voltage electrical distribution systems.
The circuit breaker has a rated current of 6300 A.
The 1SDA128855R1 uses an Ekip Aware LSIG electronic release providing long-time, short-time, instantaneous and ground-fault protection functions.
The 1SDA128855R1 is supplied in a fixed three-pole configuration.
The ABB 1SDA128855R1 belongs to the SACE Emax 3 series of advanced low-voltage air circuit breakers.
ABB SACE Emax 3 air circuit breakers provide advanced electronic protection, intelligent monitoring and reliable switching for demanding low-voltage power distribution systems.
We use cookies
We use essential cookies to run this site, your basket and checkout. With your permission we'd also like to use analytics and advertising cookies to understand how the site is used and to measure our adverts.