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ABB SACE Emax 3 E2.3S 250 ACB 3 Pole 250A 85kA Ekip Aware LI Withdrawable Moving Part
The ABB 1SDA126057R1 is an Emax 3 E2.3S 250 A three-pole air circuit breaker with Ekip Aware LI electronic protection in WMP mobile-part configuration for a withdrawable assembly.
£4,665.89
Why Choose the ABB 1SDA126057R1?
The ABB 1SDA126057R1 is an SACE Emax 3 E2.3S 250 A air circuit breaker equipped with an Ekip Aware LI electronic trip unit and a 3-pole configuration. Designed for dependable low-voltage power distribution and system protection, it combines adjustable long-time and instantaneous protection functions with ABB's Emax 3 platform.
With a rated uninterrupted current of 250 A, the E2.3S 250 provides reliable protection against overloads and short-circuit conditions. Its LI protection configuration allows the long-time and instantaneous protection thresholds to be adjusted to suit different electrical installation requirements.
The 1SDA126057R1 is the mobile part of a withdrawable circuit breaker assembly in WMP configuration, providing a practical solution for switchboards where breaker withdrawal supports inspection, maintenance and replacement operations.
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 LI electronic trip unit with adjustable protection functions
- 3-pole configuration for three-phase electrical distribution systems
- Rated ultimate short-circuit breaking capacity of 85 kA at 440 V
- Rated short-time withstand current of 66 kA for 1 s
- WMP mobile part for compatible withdrawable Emax 3 assemblies
- Withdrawable design facilitates inspection, maintenance and replacement
Key Features
- Manufacturer: ABB
- Order code: 1SDA126057R1
- Product family: SACE Emax 3
- Breaker type: E2.3S 250
- Trip unit: Ekip Aware LI
- Protection functions: Long-time and instantaneous protection
- Number of poles: 3
- Configuration: WMP mobile part
- Rated uninterrupted current: 250 A
- Installation type: Withdrawable
Reliable Emax 3 Protection for Power Distribution
The ABB E2.3S 250 combines a robust air circuit breaker platform with the Ekip Aware LI electronic trip unit. This provides adjustable protection against overloads and high short-circuit currents while supporting flexible protection coordination within low-voltage distribution systems.
The WMP configuration of the 1SDA126057R1 is designed as the mobile part of a compatible withdrawable assembly, making it suitable for installations where controlled withdrawal of the breaker can simplify servicing, inspection and equipment replacement.
Typical Applications
- Low-voltage power distribution systems
- Withdrawable electrical switchboards
- Main and sub-main distribution boards
- Industrial electrical switchboards
- Commercial building distribution systems
- Transformer protection applications
- Generator and electrical system protection
Technical Specifications
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| Trip Unit | LI | |
|---|---|---|
| Device Type | ACB | |
| Current | 250 A | |
| Poles | 3-pole | |
| Phase | Three Phase | |
| Breaking Capacity | 85 kA | |
| Application | Power distribution | |
| Mounting Type | Withdrawable | |
| Product reference | 1SDA126057R1 | |
| Model | E2.3S 250 Ekip Aware LI 3p WMP | |
| Rated uninterrupted current (Iu) | 250 A | |
| Number of poles | 3 | |
| Trip unit | Ekip Aware LI | |
| Long-time protection adjustment (I1) | 100–250 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 | WMP, mobile part of withdrawable circuit breaker | |
| HS Code | 85362090 |
Frequently Asked Questions
What is the ABB 1SDA126057R1?
The ABB 1SDA126057R1 is an Emax 3 E2.3S 250 A, 3-pole air circuit breaker with an Ekip Aware LI electronic trip unit in WMP mobile-part configuration for a withdrawable assembly.
What is the rated current of the ABB 1SDA126057R1?
The ABB 1SDA126057R1 has a rated uninterrupted current of 250 A.
What protection functions does the Ekip Aware LI trip unit provide?
The Ekip Aware LI trip unit provides adjustable long-time and instantaneous overcurrent protection.
How many poles does the ABB 1SDA126057R1 have?
The ABB 1SDA126057R1 is a 3-pole circuit breaker designed for three-phase low-voltage electrical distribution systems.
What is the short-circuit breaking capacity of the ABB 1SDA126057R1?
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 1SDA126057R1 combines the Emax 3 E2.3S air circuit breaker platform with Ekip Aware LI electronic protection, delivering adjustable overcurrent protection in a robust 3-pole WMP configuration for compatible withdrawable low-voltage power distribution assemblies.
