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ABB SACE Emax 3 E2.3H 1250 ACB 4 Pole 1250A 100kA Ekip Aware LSIG Withdrawable Moving Part
ABB SACE Emax 3 E2.3H 1250 air circuit breaker moving part with Ekip Aware LSIG trip unit, 1250 A rated current and 100 kA breaking capacity for low-voltage power distribution systems.
£7,160.95
Why Choose the ABB SACE Emax 3 E2.3H 1250 Air Circuit Breaker?
The ABB 1SDA128999R1 is a high-performance SACE Emax 3 E2.3H 1250 air circuit breaker moving part designed for reliable protection and control of low-voltage electrical distribution systems. As part of the advanced ABB SACE Emax 3 series, this withdrawable circuit breaker component provides dependable protection, monitoring and switching performance for demanding industrial and commercial power applications.
This moving part only (WMP) version is designed for use with a separately ordered fixed part, allowing flexible installation and maintenance solutions in modern switchgear assemblies. Equipped with an Ekip Aware LSIG trip unit, the breaker provides advanced protection functions including long-time, short-time, instantaneous and ground-fault protection.
With a rated current of 1250 A, a 4-pole configuration and a high short-circuit breaking capacity of 100 kA at 415 V, the ABB SACE Emax 3 E2.3H 1250 is suitable for critical power distribution systems requiring dependable protection and high fault-clearing capability.
Key Advantages
- ABB SACE Emax 3 air circuit breaker technology for advanced low-voltage power protection.
- E2.3H 1250 frame rating with a 1250 A rated current capability.
- 100 kA breaking capacity at 415 V for demanding electrical installations.
- Four-pole withdrawable design for flexible switchgear integration and maintenance.
- Ekip Aware LSIG trip unit providing comprehensive protection functions.
- Moving part supplied separately for modular installation with the matching fixed part.
Key Features
- ABB SACE Emax 3 E2.3H series.
- 1250 A rated current In.
- 4-pole air circuit breaker configuration.
- 100 kA Icu at 415 V.
- Ekip Aware LSIG trip unit with L, S, I and G protection functions.
- Withdrawable version for switchgear applications.
- Moving part only (WMP); fixed part ordered separately.
- Designed for reliable industrial power distribution and protection systems.
Advanced Protection for Modern Power Distribution
The ABB SACE Emax 3 range provides advanced circuit protection solutions for electrical installations where reliability, safety and operational flexibility are essential. These air circuit breakers combine robust switching technology with intelligent electronic trip units to protect equipment against overloads, short circuits and earth faults.
The integrated Ekip Aware LSIG trip unit enhances system monitoring and protection by providing adjustable protection functions for different operating conditions. The withdrawable architecture enables efficient inspection, replacement and maintenance procedures in professional switchgear environments.
Typical Applications
- Industrial power distribution switchboards.
- Manufacturing and production facilities.
- Commercial electrical infrastructure.
- Energy management and distribution systems.
- Large machinery power protection systems.
- Low-voltage main distribution boards.
Technical Specifications
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| Trip Unit | LSIG | |
|---|---|---|
| Device Type | ACB | |
| Current | 1250 A | |
| Poles | 4-pole | |
| Phase | Three Phase | |
| Breaking Capacity | 100 kA | |
| Application | Power distribution | |
| Mounting Type | Withdrawable | |
| Manufacturer | ABB | |
| Series | SACE Emax 3 | |
| Model | E2.3H 1250 | |
| Part number | 1SDA128999R1 | |
| Product type | Air circuit breaker moving part (WMP) | |
| Rated current In | 1250 A | |
| Number of poles | 4-pole | |
| Breaking capacity Icu | 100 kA at 415 V | |
| Trip unit | Ekip Aware LSIG | |
| Installation type | Withdrawable | |
| Supplied component | Moving part only; fixed part supplied separately | |
| HS Code | 85362090 |
Frequently Asked Questions
What is the ABB 1SDA128999R1 used for?
The ABB 1SDA128999R1 is a SACE Emax 3 E2.3H 1250 air circuit breaker moving part designed for protection and switching in low-voltage power distribution systems.
What is the rated current of this circuit breaker?
The breaker has a rated current of 1250 A.
What breaking capacity does the ABB E2.3H 1250 provide?
The circuit breaker provides an Icu breaking capacity of 100 kA at 415 V.
Which trip unit is fitted to this model?
The circuit breaker is fitted with an Ekip Aware LSIG trip unit providing long-time, short-time, instantaneous and ground-fault protection functions.
Is this a complete circuit breaker assembly?
This product is the withdrawable moving part only (WMP); the matching fixed part must be ordered separately.
Trusted by Electrical Engineers Worldwide
ABB SACE Emax 3 air circuit breakers are widely used by electrical engineers and system designers to deliver dependable protection, intelligent monitoring and reliable performance in modern low-voltage distribution systems.
