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1SDA072520R1 ABB E4.2H 3200 Ekip G Hi-Touch LSIG 3p WMP Air Circuit Breaker
ABB 1SDA072520R1 E4.2H 3200 Ekip G Hi-Touch LSIG three-pole withdrawable Emax 2 air circuit breaker moving part with a 3200 A rated current, 100 kA ultimate breaking capacity at 400/415 V AC and advanced generator-oriented LSIG protection.
£17,803.80
Why Choose the ABB E4.2H 3200 Ekip G Hi-Touch LSIG 3p WMP Air Circuit Breaker?
The ABB E4.2H 3200 Ekip G Hi-Touch LSIG 3p WMP, order code 1SDA072520R1, is a high-performance three-pole air circuit breaker (ACB) moving part from the ABB SACE Emax 2 range, engineered for demanding low-voltage power distribution and generator applications. Combining the E4.2H frame with a 3200 A rated uninterrupted current and ABB's advanced Ekip G Hi-Touch LSIG electronic trip unit, it provides comprehensive overload, short-circuit and ground-fault protection for high-current industrial, infrastructure and critical power networks.
This breaker uses a withdrawable construction for integration with a compatible Emax 2 fixed part, supporting efficient inspection, servicing and replacement within switchboard installations. Its Ekip G Hi-Touch LSIG electronic release combines long-time overload, short-time selective short-circuit, instantaneous short-circuit and ground-fault protection with generator-oriented functionality and the advanced measurement and monitoring capabilities of the Hi-Touch platform.
The E4.2H 3200 delivers an ultimate short-circuit breaking capacity of 100 kA at 400/415 V AC and 85 kA at 690 V AC, with a rated short-time withstand current of 85 kA for 1 s and 66 kA for 3 s. Its combination of a 3200 A current rating, comprehensive LSIG protection, generator-oriented functionality and withdrawable construction makes the 1SDA072520R1 particularly suitable for main distribution, generator switchboards, incomers and high-current feeder applications.
Key Advantages
- High-performance ABB SACE Emax 2 air circuit breaker for demanding low-voltage distribution and generator applications.
- 3200 A rated uninterrupted current for high-current industrial, infrastructure and critical power systems.
- 100 kA ultimate short-circuit breaking capacity at 400/415 V AC.
- 85 kA ultimate short-circuit breaking capacity at 690 V AC.
- 85 kA rated short-time withstand current for 1 s supports demanding selective protection schemes.
- Ekip G Hi-Touch LSIG electronic trip unit combines comprehensive LSIG protection with generator-oriented functionality.
- Ics equal to 100% of Icu provides high service short-circuit performance.
- Withdrawable moving-part design supports efficient switchboard inspection, servicing and maintenance.
Key Features
- ABB SACE Emax 2 E4.2H air circuit breaker platform.
- 3200 A rated uninterrupted current.
- Three-pole circuit breaker configuration.
- Ekip G Hi-Touch LSIG 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 functionality.
- 100 kA Icu at 400/415 V AC.
- 85 kA Icu at 690 V AC.
- 85 kA Icw for 1 s and 66 kA Icw for 3 s.
- 690 V AC rated operational voltage.
- 1000 V AC rated insulation voltage.
- 12 kV rated impulse withstand voltage.
- 3000 mm² connecting capacity.
- Advanced measurement and monitoring capabilities.
- Withdrawable moving-part construction for compatible Emax 2 switchgear.
- Four auxiliary change-over contacts.
- Switched-off indication.
Advanced Generator and Hi-Touch LSIG Protection
The ABB SACE Emax 2 E4.2H platform is engineered for high-current low-voltage networks where substantial fault interruption, selectivity and system supervision are required. The 1SDA072520R1 combines a 3200 A rated uninterrupted current with 100 kA Icu at 400/415 V AC, 85 kA Icu at 690 V AC and 85 kA Icw for 1 s, providing robust protection for high-capacity switchboards and critical distribution systems.
The Ekip G Hi-Touch LSIG electronic trip unit combines generator-oriented functionality with long-time overload, short-time selective short-circuit, instantaneous short-circuit and ground-fault protection. The Hi-Touch platform complements these protection functions with advanced measurement and monitoring capabilities, supporting detailed supervision and coordinated protection within sophisticated low-voltage power distribution and generation systems.
Typical Applications
- Generator protection and generator switchboards.
- High-current low-voltage main distribution switchboards.
- Industrial power distribution systems.
- Large manufacturing and process plants.
- Data centres and critical power infrastructure.
- Utility and infrastructure switchgear.
- Transformer-fed distribution systems.
- High-current incomer and feeder protection.
Technical Specifications
| Series | SACE Emax 2 |
|---|---|
| Product group | Emax2 Air Circuit Breaker |
| ABB order code / MPN | 1SDA072520R1 |
| EAN / GTIN | 8015644763701 |
| Product type | Air circuit breaker moving part |
| Frame | E4.2H |
| Short-circuit performance level | H |
| Rated current (In) | 3200 A |
| Rated uninterrupted current (Iu) | 3200 A |
| Rated operational voltage (Ue) | 690 V AC |
| Rated insulation voltage (Ui) | 1000 V AC |
| Rated impulse withstand voltage (Uimp) | 12 kV |
| Number of poles | 3 |
| Current type | AC |
| Trip unit | Ekip G Hi-Touch LSIG |
| Release type | Electronic |
| Protection functions | LSIG |
| Long-time protection | Overload protection |
| Overload release current setting | From 1280 A |
| Short-time protection | Selective short-circuit protection |
| Short-time delayed short-circuit setting | From 1920 A |
| Instantaneous protection | Short-circuit protection |
| Instantaneous short-circuit setting | From 4800 A |
| Ground-fault protection | Integrated |
| Ultimate short-circuit breaking capacity (Icu) at 400 V AC | 100 kA |
| Ultimate short-circuit breaking capacity (Icu) at 415 V AC | 100 kA |
| Ultimate short-circuit breaking capacity (Icu) at 440 V AC | 100 kA |
| Ultimate short-circuit breaking capacity (Icu) at 500 V AC | 85 kA |
| Ultimate short-circuit breaking capacity (Icu) at 525 V AC | 85 kA |
| Ultimate short-circuit breaking capacity (Icu) at 690 V AC | 85 kA |
| Service short-circuit breaking capacity (Ics) at 400/415 V AC | 100 kA |
| Service short-circuit breaking capacity (Ics) at 500 V AC | 85 kA |
| Service short-circuit breaking capacity (Ics) at 690 V AC | 85 kA |
| Ics as percentage of Icu | 100% |
| Rated short-time withstand current (Icw), 1 s | 85 kA |
| Rated short-time withstand current (Icw), 3 s | 66 kA |
| Connecting capacity | 3000 mm² |
| Power loss | 743 W |
| Electrical durability at ≤440 V | 7,000 cycles |
| Electrical durability at 500–690 V | 7,000 cycles |
| Mechanical durability | 20,000 cycles |
| Auxiliary contacts | 4 change-over contacts |
| Switched-off indication | Yes |
| Integrated undervoltage release | No |
| Degree of protection | IP30 |
| Motor drive | Optional |
| Control element | Push button |
| Installation | Withdrawable |
| Configuration | Moving part |
| Main circuit connection | Connection at separate chassis part |
| Suitable for IT networks | Yes, up to 690 V |
| Standard | IEC 60947-2 |
Frequently Asked Questions
What is the ABB 1SDA072520R1 used for?
The ABB 1SDA072520R1 is a 3200 A three-pole air circuit breaker moving part designed for protection and switching in demanding low-voltage power distribution and generator applications.
What is the current rating of the ABB E4.2H 3200?
The E4.2H 3200 has a rated uninterrupted current of 3200 A, making it suitable for high-current low-voltage electrical distribution and generator applications.
What is the short-circuit performance of the ABB 1SDA072520R1?
The E4.2H 3200 provides an ultimate short-circuit breaking capacity of 100 kA at 400/415 V AC and 85 kA at 690 V AC. Its rated short-time withstand current is 85 kA for 1 s and 66 kA for 3 s.
What protection functions does the Ekip G Hi-Touch LSIG trip unit provide?
The Ekip G Hi-Touch LSIG electronic trip unit provides long-time overload, short-time selective short-circuit, instantaneous short-circuit and ground-fault protection, together with generator-oriented functionality and advanced measurement and monitoring capabilities.
Is the ABB 1SDA072520R1 a withdrawable circuit breaker?
Yes. The 1SDA072520R1 is the withdrawable moving part of an ABB SACE Emax 2 E4.2H air circuit breaker system and is designed for integration with a compatible Emax 2 fixed part within a switchboard assembly.
Trusted by Electrical Engineers Worldwide
ABB SACE Emax 2 air circuit breakers are engineered for reliable protection and control of demanding low-voltage power distribution and generation systems, combining high short-circuit performance, advanced electronic protection and flexible withdrawable switchgear integration for industrial, infrastructure and critical power applications.
