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ABB 1SDA128919R1 Emax 3 E6.3V/f 6300 Ekip Aware LSIG four-pole fixed air circuit breaker rated at 6300 A for high-current low-voltage power distribution systems.
£55,048.50
The ABB 1SDA128919R1 is a high-performance SACE Emax 3 low-voltage air circuit breaker designed for reliable protection, switching and monitoring in demanding industrial and power distribution systems. It is an E6.3V/f 6300 Ekip Aware LSIG 4-pole fixed circuit breaker with horizontal rear terminals, providing advanced electronic protection for high-current electrical installations.
As part of the advanced ABB Emax 3 air circuit breaker series, the 1SDA128919R1 combines robust switching capability with intelligent Ekip Aware electronic protection. The LSIG protection configuration provides long-time, short-time, instantaneous and earth-fault protection functions for comprehensive circuit protection and improved operational reliability.
With a rated continuous current of 6300 A and a four-pole fixed construction, this breaker is designed for the highest-capacity low-voltage distribution applications. The E6.3V high-performance frame provides enhanced fault interruption capability for critical industrial installations, infrastructure projects and large-scale electrical systems.
Air circuit breakers such as the ABB Emax 3 protect electrical distribution networks by detecting overload and fault conditions before safely interrupting current flow. The Ekip Aware LSIG electronic release provides configurable protection settings to support reliable operation and continuity in complex power systems.
The Emax 3 platform combines intelligent monitoring, advanced protection technology and flexible integration options for modern electrical infrastructure. The 1SDA128919R1 is designed for engineers requiring a high-current breaker solution for industrial plants, utility installations and critical power distribution applications.
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| Device Type | ACB | |
|---|---|---|
| Current | 6300 A | |
| Poles | 4-pole | |
| Phase | Three Phase | |
| Breaking Capacity | 150 kA | |
| Trip Unit | LSIG | |
| Application | Power distribution | |
| Mounting Type | Fixed | |
| Manufacturer | ABB | |
| Series | SACE Emax 3 | |
| Model | E6.3V/f 6300 Ekip Aware LSIG 4p F HR | |
| Order code | 1SDA128919R1 | |
| Product type | Low-voltage air circuit breaker | |
| Rated continuous current (Iu) | 6300 A | |
| Number of poles | 4 | |
| Protection unit | Ekip Aware LSIG | |
| Installation | Fixed | |
| Main terminal position | Rear | |
| Terminal configuration | Horizontal rear terminals | |
| Rated service voltage | 690 V AC | |
| Frequency | 50 / 60 Hz | |
| HS Code | 85362090 |
The ABB 1SDA128919R1 is a SACE Emax 3 air circuit breaker designed for very high-current switching and protection in low-voltage industrial power distribution systems.
The ABB 1SDA128919R1 has a rated continuous current of 6300 A.
The breaker includes an Ekip Aware LSIG electronic release providing long-time, short-time, instantaneous and earth-fault protection.
The ABB 1SDA128919R1 is supplied as a fixed four-pole circuit breaker with horizontal rear terminals.
This circuit breaker is typically used in high-power industrial switchboards, infrastructure systems and critical electrical distribution applications.
ABB SACE Emax 3 air circuit breakers provide advanced protection, intelligent monitoring and reliable switching performance for demanding low-voltage electrical distribution systems.
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