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1SDA072959R1 ABB E2.2H 1250 Ekip Hi-Touch LSIG 4P WMP Air Circuit Breaker
ABB 1SDA072959R1 Emax 2 E2.2H 1250 Ekip Hi-Touch LSIG four-pole withdrawable air circuit breaker moving part rated at 1250 A with advanced LSIG protection, high short-circuit performance and power-quality monitoring.
£9,983.59
Why Choose the ABB E2.2H 1250 Ekip Hi-Touch LSIG 4p WMP Air Circuit Breaker?
The ABB E2.2H 1250 Ekip Hi-Touch LSIG 4p WMP, order code 1SDA072959R1, is a high-performance four-pole withdrawable air circuit breaker moving part from the ABB SACE Emax 2 range. Designed for demanding low-voltage power distribution systems, it combines a 1250 A rated uninterrupted current with the advanced Ekip Hi-Touch LSIG electronic trip unit.
The Ekip Hi-Touch LSIG release provides comprehensive long-time (L), selective short-time (S), instantaneous (I) and earth-fault (G) protection. The Hi-Touch platform adds advanced measurement and power-quality monitoring capabilities, including Network Analyzer functionality, making this breaker well suited to installations where protection, selectivity and detailed supervision of the electrical network are required.
The E2.2H high-performance frame provides an ultimate short-circuit breaking capacity of up to 100 kA, together with a rated short-time withstand current of 85 kA for 1 s. Its withdrawable moving-part construction facilitates inspection, servicing and replacement within compatible Emax 2 switchgear, while the four-pole configuration incorporates a neutral pole rated at 100% of the phase current.
Key Advantages
- High-performance ABB SACE Emax 2 air circuit breaker for demanding low-voltage distribution systems.
- 1250 A rated uninterrupted current for high-current industrial, commercial and infrastructure applications.
- Ekip Hi-Touch LSIG electronic trip unit provides comprehensive adjustable circuit protection.
- Integrated long-time, selective short-time, instantaneous and earth-fault protection.
- High 100 kA ultimate short-circuit breaking capacity for demanding fault-level applications.
- 85 kA rated short-time withstand current for 1 s supports selective protection architectures.
- Advanced measurement and Network Analyzer functionality supports electrical-system supervision.
- Withdrawable four-pole construction supports convenient switchboard servicing and maintenance.
Key Features
- ABB SACE Emax 2 E2.2H air circuit breaker moving part.
- 1250 A rated uninterrupted current.
- 4-pole configuration with 100% neutral pole rating.
- Ekip Hi-Touch LSIG solid-state electronic release.
- Long-time L overload protection.
- Selective short-time S short-circuit protection.
- Instantaneous I short-circuit protection.
- Integrated earth-fault G protection.
- Overload release setting range of 500–1250 A.
- Instantaneous short-circuit setting range of 1875–18750 A.
- 100 kA high-breaking-capacity performance.
- 85 kA short-time withstand current for 1 s.
- 12 kV rated impulse withstand voltage.
- Advanced Network Analyzer functionality for power-quality monitoring.
- Fitted with four auxiliary change-over contacts and breaker open/closed position indication.
Advanced Protection and Power-Quality Monitoring
Air circuit breakers such as the ABB SACE Emax 2 protect high-current low-voltage distribution systems against potentially damaging overloads, short circuits and earth faults. The Ekip Hi-Touch LSIG release combines adjustable long-time overload, selective short-time, instantaneous and earth-fault protection, enabling coordinated protection of conductors, transformers, switchgear and connected electrical equipment.
The Hi-Touch platform extends circuit protection with advanced measurement and Network Analyzer functionality for monitoring power quality. Combined with the E2.2H frame's high short-circuit performance and service-friendly withdrawable construction, the 1SDA072959R1 provides a powerful solution for switchboards where protection, selectivity, electrical monitoring and maintenance accessibility are important.
Typical Applications
- Low-voltage main distribution switchboards.
- Industrial power distribution systems.
- Transformer and installation protection.
- Commercial and infrastructure electrical distribution.
- Manufacturing and process plant switchgear.
- High fault-level feeder and incomer protection.
- Selective distribution networks requiring coordinated protection.
- Applications requiring integrated earth-fault protection and power-quality monitoring.
Technical Specifications
| Series | SACE Emax 2 |
|---|---|
| Order code | 1SDA072959R1 |
| EAN | 8015644768096 |
| Product type | Air circuit breaker moving part |
| Frame / sub-type | E2.2 |
| Performance level | H |
| Rated current (In) | 1250 A |
| Rated uninterrupted current (Iu) | 1250 A |
| Number of poles | 4P |
| Neutral pole current | 100% of Iu |
| Current type | AC |
| Installation | Withdrawable, moving part |
| Version | W |
| Main-circuit connection | Separate fixed chassis |
| Trip unit | Ekip Hi-Touch LSIG |
| Release type | Solid-state electronic |
| Protection functions | L, S, I and G |
| Overload release current setting | 500–1250 A |
| Instantaneous short-circuit release setting | 1875–18750 A |
| Rated operational voltage range | Up to 690 V AC |
| Rated impulse withstand voltage (Uimp) | 12 kV |
| Ultimate short-circuit breaking capacity (Icu) | Up to 100 kA |
| Rated short-time withstand current (Icw) | 85 kA for 1 s |
| Integrated earth-fault protection | Yes |
| Power-quality monitoring | Network Analyzer |
| Auxiliary contacts | 4 change-over contacts |
| Breaker position indication | Open / closed |
| Motor drive | Optional |
| Power loss | 176 W |
| Electrical durability | 15,000 cycles |
| Mechanical durability | 25,000 cycles |
| Dimensions (W × H × D) | 407 × 425 × 383 mm |
| Product net weight | 55 kg |
| Standard | IEC 60947-2 |
Frequently Asked Questions
What is the ABB 1SDA072959R1?
The ABB 1SDA072959R1 is an Emax 2 E2.2H four-pole withdrawable air circuit breaker moving part rated at 1250 A and equipped with an Ekip Hi-Touch LSIG electronic trip unit.
What protection functions does the Ekip Hi-Touch LSIG trip unit provide?
The Ekip Hi-Touch LSIG provides long-time overload (L), selective short-time (S), instantaneous short-circuit (I) and earth-fault (G) protection for comprehensive low-voltage distribution protection.
What is the rated current of the ABB E2.2H 1SDA072959R1?
The breaker has a rated uninterrupted current of 1250 A, with the overload release adjustable across the 500–1250 A range.
What is the short-circuit performance of the ABB E2.2H 1250?
The E2.2H is a high-breaking-capacity Emax 2 frame offering an ultimate short-circuit breaking capacity of up to 100 kA and a rated short-time withstand current of 85 kA for 1 s.
What additional monitoring does the Ekip Hi-Touch release provide?
The Ekip Hi-Touch platform provides advanced electrical measurement and Network Analyzer functionality, allowing power-quality conditions to be monitored alongside the breaker's LSIG protection functions.
Trusted ABB Emax 2 High-Performance Circuit Protection
ABB SACE Emax 2 air circuit breakers combine advanced electronic protection, high short-circuit performance, electrical monitoring and service-friendly withdrawable construction for dependable low-voltage power distribution in demanding industrial and commercial installations.
