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The ABB 1SDA125507R1 is a 4000 A three-pole SACE Emax 3 E4.3N air circuit breaker with an Ekip Aware LSI electronic release for reliable high-capacity low-voltage power distribution and circuit protection.
£16,140.30
The ABB 1SDA125507R1 is a high-capacity SACE Emax 3 air circuit breaker designed for reliable protection and switching in demanding low-voltage power distribution systems. As part of the E4.3N range, it combines a 4000 A rated current with an advanced Ekip Aware LSI electronic release for dependable overload, short-circuit and selective protection.
The Ekip Aware LSI release provides long-time, short-time and instantaneous protection, helping protect electrical equipment and conductors against sustained overloads and high-level short-circuit conditions. Its three-pole configuration makes the breaker suitable for three-phase distribution systems requiring high current capacity and dependable circuit interruption.
With its E4.3N 4000 platform, three-pole WMP configuration and Ekip Aware LSI release, the ABB 1SDA125507R1 is suited to industrial switchboards, power distribution assemblies and infrastructure installations where robust high-current protection and reliable fault management are required.
The ABB 1SDA125507R1 combines the robust construction of the SACE Emax 3 platform with an electronic Ekip Aware LSI release for dependable circuit protection. Its long-time, short-time and instantaneous protection functions help safeguard conductors and electrical equipment against overload and short-circuit conditions while supporting coordinated protection arrangements.
With a 4000 A rating, 66 kA Icu at 440 V and 66 kA Icw for 1 s, this E4.3N breaker is designed for high-capacity distribution applications where substantial continuous current handling and dependable fault protection are required. Its three-pole arrangement is suitable for three-phase installations across industrial, commercial and infrastructure environments.
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| Device Type | ACB | |
|---|---|---|
| Current | 4000 A | |
| Poles | 3-pole | |
| Phase | Three Phase | |
| Breaking Capacity | 66 kA | |
| Trip Unit | LSI | |
| Application | Power distribution | |
| Mounting Type | Withdrawable | |
| Manufacturer | ABB | |
| Series | SACE Emax 3 | |
| Model | E4.3N 4000 Ekip Aware LSI 3p WMP | |
| Order code | 1SDA125507R1 | |
| Product type | Air circuit breaker | |
| Rated current | 4000 A | |
| Configuration | WMP | |
| Release unit | Ekip Aware | |
| Protection functions | LSI | |
| Frame size | E4.3N | |
| Rated voltage | up to 690 V | |
| Ultimate short-circuit breaking capacity (Icu) | 66 kA at 440 V | |
| Short-time withstand current (Icw) | 66 kA for 1 s | |
| EAN | 8056221260596 | |
| HS Code | 85362090 |
The ABB 1SDA125507R1 is a SACE Emax 3 air circuit breaker designed for high-capacity low-voltage electrical distribution and circuit protection applications.
The ABB 1SDA125507R1 has a rated current of 4000 A.
The 1SDA125507R1 is a three-pole air circuit breaker designed for three-phase electrical distribution systems.
The breaker is equipped with an Ekip Aware LSI electronic release, providing long-time, short-time and instantaneous protection functions.
The ABB 1SDA125507R1 provides an ultimate short-circuit breaking capacity of 66 kA at 440 V and a short-time withstand current of 66 kA for 1 s.
ABB SACE Emax 3 air circuit breakers provide advanced electronic protection and high-current switching capabilities for modern industrial, commercial and infrastructure power distribution systems.
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