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1SDA073643R1 ABB E2.2S 250 Ekip Touch LSIG 4p FHR Air Circuit Breaker
ABB 1SDA073643R1 SACE Emax 2 E2.2S 250 fixed four-pole air circuit breaker with rear horizontal terminals, Ekip Touch LSIG electronic protection, 250 A current rating and 85 kA ultimate breaking capacity at 440 V AC.
£6,826.26
Why Choose the ABB E2.2S 250 Ekip Touch LSIG 4p FHR Air Circuit Breaker?
The ABB E2.2S 250 Ekip Touch LSIG 4p FHR, order code 1SDA073643R1, is a fixed four-pole SACE Emax 2 air circuit breaker designed for advanced protection, switching and control in low-voltage power distribution systems. It combines a 250 A current rating with ABB's E2.2S performance platform and an advanced Ekip Touch LSIG electronic trip unit.
The Ekip Touch LSIG release provides long-time, short-time, instantaneous and ground-fault protection, delivering comprehensive protection against overload, short-circuit and earth-fault conditions. Its touchscreen interface supports straightforward configuration of protection settings while providing the advanced monitoring and control capabilities associated with the ABB Emax 2 platform.
This version is supplied in a fixed four-pole configuration with rear horizontal terminals and a neutral pole rated at 100% of Iu. It provides an ultimate short-circuit breaking capacity of 85 kA at 400–440 V AC and a rated short-time withstand current of 66 kA for 1 s, making it suitable for demanding industrial, commercial and infrastructure distribution systems.
Key Advantages
- 250 A Emax 2 air circuit breaker for low-voltage power distribution.
- Advanced Ekip Touch LSIG electronic trip unit with configurable protection functions.
- Integrated ground-fault protection alongside overload and short-circuit protection.
- Four-pole configuration with 100% rated neutral for three-phase four-wire systems.
- 85 kA ultimate breaking capacity at 400–440 V AC.
- Fixed construction with rear horizontal terminals for switchboard integration.
Key Features
- ABB SACE Emax 2 E2.2S air circuit breaker.
- 250 A rated current.
- 4-pole configuration.
- 100% rated neutral pole.
- Ekip 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.
- 85 kA Icu at 400–440 V AC.
Advanced Four-Pole Protection and Control
The ABB Emax 2 range combines high-performance circuit interruption with advanced electronic protection technology. On the 1SDA073643R1, the Ekip Touch LSIG trip unit provides configurable long-time, short-time, instantaneous and ground-fault protection, helping coordinate the breaker with upstream and downstream protective devices while extending protection to earth-fault conditions.
The fixed E2.2S construction, four-pole architecture and rear horizontal terminals make the breaker suitable for integration into low-voltage switchboards where comprehensive protection and high fault-current performance are required. With an 85 kA ultimate breaking capacity at 400–440 V AC and 66 kA one-second withstand rating, it provides a robust protection platform for critical distribution circuits.
Typical Applications
- Main and sub-main low-voltage distribution switchboards.
- Industrial three-phase four-wire power distribution systems.
- Commercial buildings and infrastructure installations.
- Generator and transformer distribution circuits.
- Systems requiring integrated ground-fault protection.
- OEM switchgear and power distribution assemblies.
Technical Specifications
| Series | SACE Emax 2 E2.2 |
|---|---|
| ABB order code | 1SDA073643R1 |
| Product type | Air circuit breaker |
| Rated current (In) | 250 A |
| Rated uninterrupted current (Iu) | 250 A |
| Number of poles | 4 |
| Neutral pole current | 100% Iu |
| Performance level | S |
| Trip unit | Ekip Touch LSIG |
| Protection functions | L, S, I, G |
| Rated operational voltage (Ue) | 690 V AC |
| Rated insulation voltage (Ui) | 1000 V AC |
| Rated impulse withstand voltage (Uimp) | 12 kV |
| Frequency | 50/60 Hz |
| Ultimate short-circuit breaking capacity (Icu) at 400–440 V AC | 85 kA |
| Ultimate short-circuit breaking capacity (Icu) at 500–525 V AC | 66 kA |
| Ultimate short-circuit breaking capacity (Icu) at 690 V AC | 66 kA |
| Service short-circuit breaking capacity (Ics) | 100% of Icu |
| Rated short-time withstand current (Icw), 1 s | 66 kA |
| Rated short-time withstand current (Icw), 3 s | 50 kA |
| Installation | Fixed |
| Main terminals | Rear horizontal |
| Main-circuit connection | Bolt connection |
| Power loss | 50 W |
| Mechanical durability | 25,000 cycles |
| Electrical durability | 15,000 cycles |
| Front protection rating | IP30 |
| EAN / GTIN | 8015644775766 |
| Standard | IEC 60947-2 |
Frequently Asked Questions
What is the ABB 1SDA073643R1?
The ABB 1SDA073643R1 is a SACE Emax 2 E2.2S fixed four-pole air circuit breaker rated at 250 A, fitted with an Ekip Touch LSIG electronic protection release and rear horizontal terminals.
What protection functions does the Ekip Touch LSIG trip unit provide?
The Ekip Touch LSIG provides long-time (L), short-time (S), instantaneous (I) and ground-fault (G) protection for overload, short-circuit and earth-fault conditions.
What is the breaking capacity of the ABB E2.2S 250?
The 1SDA073643R1 has an ultimate short-circuit breaking capacity of 85 kA at 400–440 V AC and 66 kA at 690 V AC.
What is the short-time withstand rating of the 1SDA073643R1?
The breaker has a rated short-time withstand current of 66 kA for 1 s and 50 kA for 3 s.
Is the ABB 1SDA073643R1 fixed or withdrawable?
The 1SDA073643R1 is a fixed four-pole air circuit breaker fitted with rear horizontal main terminals.
Trusted ABB Circuit Protection Technology
ABB SACE Emax 2 air circuit breakers combine high short-circuit performance, advanced Ekip electronic protection and flexible switchboard integration for dependable low-voltage power distribution in industrial, commercial and infrastructure applications.
