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1SDA072830R1 ABB E1.2N 1250 Ekip G Hi-Touch LSIG 4P WMP Air Circuit Breaker
ABB 1SDA072830R1 SACE Emax 2 E1.2N 1250 A four-pole withdrawable air circuit breaker with Ekip G Hi-Touch LSIG electronic protection for advanced generator and low-voltage power-distribution applications.
£9,329.24
Why Choose the ABB E1.2N 1250 Ekip G Hi-Touch LSIG 4p WMP Air Circuit Breaker?
The ABB 1SDA072830R1 is a high-performance SACE Emax 2 E1.2N air circuit breaker designed for generator protection and demanding low-voltage power-distribution systems. Rated at 1250 A, this four-pole withdrawable breaker combines ABB's compact E1.2N frame with an advanced Ekip G Hi-Touch LSIG electronic trip unit, providing Long-time, Short-time, Instantaneous and Ground-fault protection.
The E1.2N performance level provides a rated ultimate short-circuit breaking capacity of 66 kA at 400–440 V AC and a rated short-time withstand current of 50 kA for 1 s. Rated for operation up to 690 V AC, the breaker provides the fault-current capability required for demanding generator, industrial, infrastructure and critical-power distribution applications.
This model is supplied as a four-pole withdrawable moving part (WMP) for installation with the appropriate separate Emax 2 fixed part. Its Ekip G Hi-Touch release extends comprehensive LSIG protection with advanced generator-oriented protection, measurement, monitoring and power-management capabilities, making the breaker particularly suitable for generating sets and sophisticated low-voltage energy systems.
Key Advantages
- High-performance 1250 A air circuit breaker for generator and low-voltage distribution protection.
- Four-pole configuration for switching and protection of four-conductor systems.
- Ekip G Hi-Touch LSIG release combines comprehensive circuit protection with generator-oriented functionality.
- 66 kA ultimate short-circuit breaking capacity at 400–440 V AC.
- 50 kA short-time withstand current for 1 s supports selective protection strategies.
- Long-time, Short-time, Instantaneous and Ground-fault functions provide comprehensive electronic protection.
- Advanced measurement and monitoring capabilities support modern power-management requirements.
- Generator-specific Ekip G functionality makes the breaker suitable for generating-set applications.
- Withdrawable construction supports efficient inspection, maintenance and breaker replacement.
- Part of ABB's SACE Emax 2 platform for integrated low-voltage power management.
Key Features
- ABB SACE Emax 2 E1.2N air circuit breaker.
- 1250 A rated uninterrupted current.
- 4-pole configuration.
- Ekip G Hi-Touch LSIG advanced electronic protection release.
- Long-time (L) overload protection.
- Short-time (S) selective short-circuit protection.
- Instantaneous (I) short-circuit protection.
- Ground-fault (G) protection.
- Generator-oriented protection and power-management functionality.
- Overload release adjustment range of 500–1250 A.
- 690 V AC rated operational voltage.
- 66 kA Icu at 400–440 V AC.
- 50 kA Icw for 1 s.
- Advanced measurement and monitoring functions.
- Withdrawable moving-part construction for maintainable switchboard installations.
- Designed for connection through the appropriate separate Emax 2 fixed part.
Advanced Generator Protection and Power Management
The ABB SACE Emax 2 E1.2N combines high short-circuit performance with the advanced capabilities of the Ekip G Hi-Touch LSIG release. Long-time, Short-time, Instantaneous and Ground-fault functions provide comprehensive electronic protection against overload, short-circuit and earth-fault conditions, while the generator-oriented Ekip G platform provides additional functionality for generating sets and complex power-generation systems.
With a 1250 A current rating, 66 kA ultimate short-circuit breaking capacity at 400–440 V AC and 50 kA short-time withstand capability for 1 s, the E1.2N is suited to systems requiring strong fault performance and selective coordination. Its withdrawable construction also allows the moving breaker portion to be separated from the fixed chassis, supporting efficient maintenance and replacement in installations where service continuity is important.
Typical Applications
- Generator and generating-set protection.
- Standby and emergency power-generation systems.
- Main and distribution switchboards.
- Industrial low-voltage power distribution systems.
- Data centres and critical-power installations.
- Hospitals and essential-services power systems.
- Manufacturing and process-control facilities.
- Infrastructure and utility distribution systems.
- Generator-to-network and multi-source distribution architectures.
- Four-pole circuits requiring advanced LSIG protection, monitoring and power management.
Technical Specifications
| Series | SACE Emax 2 |
|---|---|
| Frame / subtype | E1.2N |
| ABB order code | 1SDA072830R1 |
| EAN / GTIN | 8015644766801 |
| Product group | Emax2 Air Circuit Breaker |
| Product type | Air circuit breaker |
| Performance level | N |
| Rated uninterrupted current (Iu) | 1250 A |
| Number of poles | 4P |
| Rated operational voltage (Ue) | 690 V AC |
| Rated ultimate short-circuit breaking capacity (Icu) at 400 V AC | 66 kA |
| Rated ultimate short-circuit breaking capacity (Icu) at 415 V AC | 66 kA |
| Rated ultimate short-circuit breaking capacity (Icu) at 440 V AC | 66 kA |
| Rated short-time withstand current (Icw) | 50 kA for 1 s |
| Trip unit | Ekip G Hi-Touch LSIG |
| Release type | Electronic |
| Protection functions | Long-time (L), Short-time (S), Instantaneous (I), Ground-fault (G) |
| Overload release setting range | 500–1250 A |
| Integrated ground-fault protection | Yes |
| Generator-oriented functionality | Ekip G Hi-Touch |
| Version | Withdrawable moving part (WMP) |
| Main-circuit connection | Connection through separate chassis part |
| Product net weight | 20 kg |
| Product width | 348 mm |
| Standard / approval | IEC |
| Country of origin | Italy |
Frequently Asked Questions
What is the ABB 1SDA072830R1 used for?
The ABB 1SDA072830R1 is a 1250 A four-pole withdrawable air circuit breaker designed for generator protection and demanding low-voltage power-distribution applications requiring advanced electronic protection and power-management functionality.
What protection release is fitted to the ABB 1SDA072830R1?
The breaker is fitted with an Ekip G Hi-Touch LSIG electronic release, combining Long-time, Short-time, Instantaneous and Ground-fault protection with advanced generator-oriented measurement, monitoring and power-management capabilities.
What does LSIG mean on the Ekip G Hi-Touch trip unit?
LSIG denotes Long-time, Short-time, Instantaneous and Ground-fault protection. Together these functions provide protection against sustained overloads, short-circuit faults and earth-fault conditions.
What is the breaking capacity of the ABB E1.2N 1250?
The E1.2N 1250 has a rated ultimate short-circuit breaking capacity of 66 kA at 400–440 V AC and a rated short-time withstand current of 50 kA for 1 s.
Is the ABB 1SDA072830R1 a fixed or withdrawable circuit breaker?
The 1SDA072830R1 is a withdrawable moving-part (WMP) circuit breaker designed for connection through the appropriate separate fixed chassis in an ABB SACE Emax 2 switchboard installation.
Trusted Protection for Generator and Distribution Systems
ABB SACE Emax 2 air circuit breakers combine high short-circuit performance, advanced generator-oriented electronic protection and flexible withdrawable construction to provide dependable switching, selective coordination and power management for critical low-voltage electrical systems.
