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ABB SACE Emax 3 E2.3H 2500 ACB 4 Pole 2500A 100kA Ekip Aware LSI Withdrawable Moving Part
ABB 1SDA125744R1 Emax 3 E2.3H 2500 Ekip Aware LSI four-pole withdrawable air circuit breaker moving part for high-current low-voltage power distribution.
£12,686.69
ABB 1SDA125744R1 Emax 3 E2.3H 2500 Ekip Aware LSI 4P WMP
The ABB 1SDA125744R1 is an Emax 3 E2.3H 2500 air circuit breaker moving part equipped with an Ekip Aware LSI electronic trip unit, four poles and a withdrawable WMP construction. It is designed for high-current low-voltage power distribution and switching applications requiring dependable protection and high short-circuit performance.
With a rated current of 2500 A, the Ekip Aware LSI release provides long-time, short-time and instantaneous overcurrent protection functions. The four-pole configuration provides comprehensive phase and neutral switching, while the withdrawable moving-part design supports practical integration and maintenance within compatible ABB Emax 3 switchboards.
The E2.3H frame forms part of the ABB SACE Emax 3 family of open low-voltage circuit breakers. The 1SDA125744R1 is specified with an Icu of 85 kA at 440 V AC and an Icw of 100 kA for 1 s, providing high fault-withstand and interruption capability for demanding electrical distribution installations.
Key Advantages
- High 2500 A rated current for demanding low-voltage distribution systems
- Ekip Aware LSI electronic trip unit for comprehensive overcurrent protection
- Long-time, short-time and instantaneous protection functions
- 85 kA rated ultimate short-circuit breaking capacity at 440 V AC
- 100 kA rated short-time withstand current for 1 s at 440 V AC
- Four-pole configuration for phase and neutral switching
- Withdrawable WMP moving-part construction for compatible Emax 3 assemblies
- Four auxiliary contacts for additional control and signalling functions
Key Features
- ABB SACE Emax 3 E2.3H 2500 frame
- 2500 A rated current
- Ekip Aware LSI electronic release
- Long-time, short-time and instantaneous protection
- Four-pole electrical configuration
- Withdrawable WMP moving part
- 85 kA Icu at 440 V AC
- 100 kA Icw for 1 s at 440 V AC
- Four auxiliary contacts
High-Capacity Protection for Industrial Power Distribution
The ABB 1SDA125744R1 provides high-capacity circuit protection for electrical distribution systems where substantial current ratings and high fault interruption capability are required. Its E2.3H 2500 frame combines a 2500 A rated current with high short-circuit performance for demanding industrial and commercial installations.
The Ekip Aware LSI release provides long-time, short-time and instantaneous protection functions, supporting protection coordination across complex electrical systems. Its four-pole withdrawable WMP construction and four auxiliary contacts facilitate integration into compatible Emax 3 switchboards and support operational, control and maintenance requirements.
Typical Applications
- Industrial main distribution boards
- Large commercial electrical distribution systems
- High-current feeder protection
- Industrial plant incoming feeders
- Transformer distribution systems
- Generator distribution systems
- Power distribution switchboards
- Critical infrastructure electrical installations
- Low-voltage power distribution assemblies
Technical Specifications
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| Device Type | ACB | |
|---|---|---|
| Current | 2500 A | |
| Poles | 4-pole | |
| Phase | Three Phase | |
| Breaking Capacity | 100 kA | |
| Trip Unit | LSI | |
| Application | Power distribution | |
| Mounting Type | Withdrawable | |
| Manufacturer | ABB | |
| Series | SACE Emax 3 | |
| Frame | E2.3H | |
| Model | E2.3H 2500 Ekip Aware LSI 4P WMP | |
| Order Code | 1SDA125744R1 | |
| Product Type | Air circuit breaker moving part | |
| Rated Current (In) | 2500 A | |
| Protection Unit | Ekip Aware LSI | |
| Protection Functions | Long-time, short-time and instantaneous | |
| Installation | Withdrawable | |
| Moving Part | WMP | |
| Icu | 85 kA at 440 V AC | |
| Icw | 100 kA for 1 s at 440 V AC | |
| Long-Time Setting (I1) | 1000–2500 A | |
| Instantaneous Setting (I3) | 3750–37500 A | |
| Auxiliary Contacts | 4 | |
| System Type | Low-voltage AC power distribution | |
| HS Code | 85362090 |
Frequently Asked Questions
What is ABB 1SDA125744R1?
ABB 1SDA125744R1 is an Emax 3 E2.3H 2500 Ekip Aware LSI four-pole withdrawable air circuit breaker moving part rated at 2500 A.
What protection unit does the 1SDA125744R1 use?
The 1SDA125744R1 uses an ABB Ekip Aware LSI electronic trip unit providing long-time, short-time and instantaneous overcurrent protection.
What is the short-circuit rating of ABB 1SDA125744R1?
The E2.3H 2500 configuration has an Icu of 85 kA at 440 V AC and an Icw of 100 kA for 1 s.
How many poles does ABB 1SDA125744R1 have?
The ABB 1SDA125744R1 is a four-pole air circuit breaker moving part designed for compatible Emax 3 withdrawable assemblies.
Where is ABB 1SDA125744R1 used?
The 1SDA125744R1 is intended for high-current low-voltage power distribution applications including industrial switchboards, commercial distribution systems, incoming feeders and other electrical infrastructure.
Trusted by Engineers for Industrial Power Distribution
ABB Emax 3 air circuit breakers provide a flexible platform for high-current low-voltage power distribution, combining electronic protection, high short-circuit performance and withdrawable construction for demanding electrical installations.
