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1SDA072323R1 ABB E2.2H 1250 Ekip Dip LSIG 3-Pole Air Circuit Breaker
ABB 1SDA072323R1 is a SACE Emax 2 E2.2H 1250 A three-pole withdrawable air circuit breaker moving part with an Ekip Dip LSIG electronic trip unit for long-time, short-time, instantaneous and earth-fault protection.
£6,139.24
Why Choose the ABB 1SDA072323R1 E2.2H 1250 Ekip Dip LSIG Air Circuit Breaker?
The ABB 1SDA072323R1 is a high-performance SACE Emax 2 E2.2H air circuit breaker designed for protection and switching in demanding low-voltage electrical distribution systems. This three-pole withdrawable moving-part configuration has a rated uninterrupted current of 1250 A and incorporates the Ekip Dip LSIG electronic trip unit.
The Ekip Dip LSIG release provides comprehensive long-time overload, short-time short-circuit, instantaneous short-circuit and earth-fault protection. This combination enables coordinated protection of feeders, busbars and distribution equipment while adding dedicated ground-fault protection for installations where enhanced system protection is required.
The E2.2H performance level delivers a rated ultimate short-circuit breaking capacity of 100 kA at 400–440 V AC and 85 kA at 500–690 V AC. Rated short-time withstand current is 85 kA for 1 s and 66 kA for 3 s, providing robust performance for high-fault-current electrical distribution systems.
Key Advantages
- High-performance 1250 A Emax 2 air circuit breaker for demanding low-voltage distribution.
- Ekip Dip LSIG electronic trip unit for comprehensive circuit protection.
- Provides long-time, short-time, instantaneous and earth-fault protection.
- High 100 kA ultimate short-circuit breaking capacity at 400–440 V AC.
- 85 kA short-time withstand current for 1 s.
- Suitable for systems with operational voltages up to 690 V AC.
- Three-pole configuration for three-phase electrical distribution.
- Withdrawable moving-part construction supports efficient inspection, maintenance and replacement.
Key Features
- ABB SACE Emax 2 E2.2H air circuit breaker.
- 1250 A rated uninterrupted current.
- Three-pole configuration.
- Ekip Dip LSIG electronic release.
- Long-time overload protection (L).
- Short-time short-circuit protection (S).
- Instantaneous short-circuit protection (I).
- Integrated earth-fault protection (G).
- 100 kA ultimate breaking capacity at 400–440 V AC.
- 85 kA ultimate breaking capacity at 500–690 V AC.
- 85 kA short-time withstand current for 1 s.
- 1000 V AC rated insulation voltage.
- 12 kV rated impulse withstand voltage.
- Suitable for 690 V IT networks.
Comprehensive LSIG Protection for High-Performance Distribution
The ABB Emax 2 E2.2H combines high-current switching with comprehensive electronic protection for demanding low-voltage networks. Its Ekip Dip LSIG release provides long-time protection against sustained overloads, short-time protection for coordinated fault clearing, instantaneous protection against severe short circuits and dedicated earth-fault protection to help safeguard electrical installations against ground faults.
The E2.2H performance level provides substantial fault-interruption capability, including 100 kA ultimate breaking capacity at 400–440 V AC and an 85 kA short-time withstand rating for 1 s. Combined with ABB's withdrawable Emax 2 architecture, the 1SDA072323R1 provides a robust and maintainable protection solution for critical industrial, commercial and infrastructure switchboards.
Typical Applications
- Main low-voltage electrical distribution switchboards.
- Industrial power distribution networks.
- Manufacturing and process-industry switchgear.
- Commercial building electrical infrastructure.
- Transformer secondary distribution systems.
- Generator and plant electrical distribution.
- Critical-power and infrastructure installations.
Technical Specifications
| Series | SACE Emax 2 |
|---|---|
| Frame | E2.2 |
| Performance level | H |
| ABB order code | 1SDA072323R1 |
| Product type | Air circuit breaker |
| Configuration | Withdrawable moving part |
| Rated uninterrupted current | 1250 A |
| Rated operational voltage | 690 V AC |
| Rated insulation voltage | 1000 V AC |
| Rated impulse withstand voltage | 12 kV |
| Number of poles | 3 |
| Current type | AC |
| Trip unit | Ekip Dip LSIG |
| Release type | Electronic |
| Protection functions | Long-time, short-time, instantaneous and earth fault (LSIG) |
| Integrated earth-fault protection | Yes |
| Rated ultimate short-circuit breaking capacity | 100 kA at 400–440 V AC; 85 kA at 500–690 V AC |
| Rated service short-circuit breaking capacity | 100% of Icu |
| Rated short-time withstand current | 85 kA for 1 s; 66 kA for 3 s |
| Connecting capacity | 1200 mm² |
| Suitable for IT networks | Yes, up to 690 V |
| Electrical durability | 15,000 operating cycles |
| Mechanical durability | 25,000 operating cycles |
| Power loss | 176 W |
| Dimensions (W × H × D) | 317 × 425 × 383 mm |
| Net weight | 48 kg |
| Standard | IEC |
| EAN | 8015644761738 |
Frequently Asked Questions
What is the ABB 1SDA072323R1 used for?
The ABB 1SDA072323R1 is an Emax 2 air circuit breaker moving part designed for switching and protecting high-current low-voltage electrical distribution systems.
What is the current rating of the ABB 1SDA072323R1?
The E2.2H 1250 has a rated uninterrupted current of 1250 A.
What protection does the Ekip Dip LSIG trip unit provide?
The Ekip Dip LSIG electronic release provides long-time overload, short-time short-circuit, instantaneous short-circuit and earth-fault protection.
What is the breaking capacity of the ABB E2.2H 1250?
The E2.2H 1250 has a rated ultimate short-circuit breaking capacity of 100 kA at 400–440 V AC and 85 kA at 500–690 V AC.
What is the short-time withstand rating of the ABB E2.2H 1250?
The breaker has a rated short-time withstand current of 85 kA for 1 s and 66 kA for 3 s.
Does the ABB 1SDA072323R1 include earth-fault protection?
Yes. The LSIG trip-unit configuration includes earth-fault protection together with long-time, short-time and instantaneous overcurrent protection.
Is the ABB 1SDA072323R1 a withdrawable circuit breaker?
Yes. The 1SDA072323R1 is supplied as the moving part of a withdrawable SACE Emax 2 circuit breaker for installation with the appropriate compatible fixed part.
Trusted by Electrical Distribution Professionals Worldwide
ABB SACE Emax 2 air circuit breakers are engineered for reliable protection and control of demanding low-voltage electrical distribution systems, combining comprehensive electronic protection, high short-circuit performance and maintainable withdrawable construction for industrial, commercial and infrastructure switchgear.
