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ABB SACE Emax 3 E2.3S 250 ACB 4 Pole 250A 85kA Ekip Aware LSI Fixed Rear Terminals
The ABB 1SDA126056R1 is an Emax 3 E2.3S 250 A four-pole air circuit breaker with Ekip Aware LSI electronic protection in a fixed horizontal configuration.
£6,089.62
Why Choose the ABB 1SDA126056R1?
The ABB 1SDA126056R1 is an SACE Emax 3 E2.3S 250 A air circuit breaker equipped with an Ekip Aware LSI electronic trip unit and a 4-pole configuration. Designed for dependable low-voltage power distribution and system protection, it combines adjustable long-time, short-time and instantaneous protection functions with ABB's Emax 3 platform.
With a rated uninterrupted current of 250 A, the E2.3S 250 provides a robust solution for protecting electrical distribution systems against overloads and short-circuit conditions. Its LSI protection configuration allows the protection thresholds to be adjusted to suit different installation requirements.
The 1SDA126056R1 is supplied as a complete 4-pole circuit breaker in fixed horizontal configuration, making it suitable for applications where reliable switching, protection and controlled fault interruption are required within modern low-voltage electrical installations.
Key Advantages
- ABB SACE Emax 3 E2.3S platform for low-voltage power distribution
- 250 A rated uninterrupted current for dependable circuit protection
- Ekip Aware LSI electronic trip unit with adjustable protection functions
- 4-pole configuration for three-phase systems with neutral protection
- High short-circuit breaking capacity with Icu up to 85 kA at 440 V
- Suitable for fixed horizontal installation arrangements
- Electronic protection technology supports accurate and flexible protection settings
Key Features
- Manufacturer: ABB
- Order code: 1SDA126056R1
- Product family: SACE Emax 3
- Breaker type: E2.3S 250
- Trip unit: Ekip Aware LSI
- Protection functions: Long-time, short-time and instantaneous protection
- Number of poles: 4
- Mounting configuration: Fixed horizontal
- Rated uninterrupted current: 250 A
- Rated voltage: up to 690 V AC
Reliable Emax 3 Protection for Power Distribution
The ABB E2.3S 250 combines a robust air circuit breaker platform with the adjustable Ekip Aware LSI electronic trip unit. This enables the breaker to provide coordinated protection against overloads and different levels of short-circuit current while supporting flexible system design.
Its 4-pole arrangement and fixed horizontal configuration make the 1SDA126056R1 well suited to switchboards, distribution panels and other low-voltage assemblies where dependable circuit protection and controlled fault interruption are essential.
Typical Applications
- Low-voltage power distribution systems
- Main and sub-main distribution boards
- Industrial electrical switchboards
- Commercial building distribution systems
- Transformer protection applications
- Generator and electrical system protection
- Industrial automation and infrastructure power systems
Technical Specifications
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| Trip Unit | LSI | |
|---|---|---|
| Device Type | ACB | |
| Current | 250 A | |
| Poles | 4-pole | |
| Phase | Three Phase | |
| Breaking Capacity | 85 kA | |
| Application | Power distribution | |
| Mounting Type | Fixed | |
| Product reference | 1SDA126056R1 | |
| Model | E2.3S 250 Ekip Aware LSI 4p FHR | |
| Rated uninterrupted current (Iu) | 250 A | |
| Rated voltage (Ue) | up to 690 V AC | |
| Number of poles | 4 | |
| Trip unit | Ekip Aware LSI | |
| Long-time protection adjustment (I1) | 100–250 A | |
| Short-time protection adjustment (I2) | 150–2500 A | |
| Instantaneous protection adjustment (I3) | 375–3750 A | |
| Rated ultimate short-circuit breaking capacity (Icu) | 85 kA at 440 V | |
| Rated short-time withstand current (Icw) | 66 kA for 1 s | |
| Configuration | FHR, fixed horizontal version | |
| HS Code | 85362090 |
Frequently Asked Questions
What is the ABB 1SDA126056R1?
The ABB 1SDA126056R1 is an Emax 3 E2.3S 250 A, 4-pole air circuit breaker with an Ekip Aware LSI electronic trip unit in fixed horizontal configuration.
What is the rated current of the ABB 1SDA126056R1?
The ABB 1SDA126056R1 has a rated uninterrupted current of 250 A.
What protection functions does the Ekip Aware LSI trip unit provide?
The Ekip Aware LSI trip unit provides adjustable long-time, short-time and instantaneous overcurrent protection.
How many poles does the ABB 1SDA126056R1 have?
The ABB 1SDA126056R1 is a 4-pole circuit breaker suitable for low-voltage three-phase systems requiring four-pole switching and protection.
What is the short-circuit breaking capacity of the ABB 1SDA126056R1?
The E2.3S 250 has a rated ultimate short-circuit breaking capacity (Icu) of 85 kA at 440 V and a rated short-time withstand current (Icw) of 66 kA for 1 s.
Trusted ABB Emax 3 Circuit Protection
The ABB 1SDA126056R1 combines the Emax 3 E2.3S air circuit breaker platform with Ekip Aware LSI electronic protection, delivering adjustable overcurrent protection in a robust 4-pole, fixed horizontal configuration for demanding low-voltage power distribution applications.
