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1SDA072187R1 ABB E1.2C 1250 Ekip G Touch LSIG 3p WMP Air Circuit Breaker
ABB 1SDA072187R1 Emax 2 E1.2C 1250 three-pole withdrawable air circuit breaker moving part with a 1250 A rated current, 50 kA breaking capacity at 400–440 V AC and Ekip G Touch LSIG electronic protection for power distribution and generator applications.
£6,033.90
Why Choose the ABB E1.2C 1250 Ekip G Touch LSIG 3p WMP Air Circuit Breaker?
The ABB E1.2C 1250 Ekip G Touch LSIG 3p WMP, order code 1SDA072187R1, is a withdrawable Emax 2 air circuit breaker (ACB) moving part designed for advanced protection and switching in low-voltage power distribution and generator applications. Part of the ABB SACE Emax 2 series, this three-pole unit combines a 1250 A rated uninterrupted current with the Ekip G Touch LSIG electronic trip unit for comprehensive circuit and generator protection.
The compact E1.2C platform delivers strong short-circuit performance for industrial, commercial and power-generation switchboards. Its Ekip G Touch LSIG electronic release provides long-time, short-time, instantaneous and ground-fault protection, while the generator-oriented Ekip G platform provides additional functionality suited to generating sets and complex electrical networks.
With a 1250 A rated uninterrupted current, a three-pole configuration, an ultimate short-circuit breaking capacity of 50 kA at 400–440 V AC and a rated short-time withstand current of 42 kA for 1 s, the E1.2C 1250 is suited to demanding electrical systems. The WMP withdrawable moving-part configuration is designed for installation with the corresponding Emax 2 fixed part, supporting convenient isolation, testing and maintenance.
Key Advantages
- Advanced ABB Emax 2 air circuit breaker for power distribution and generator applications.
- 1250 A rated uninterrupted current for demanding industrial and commercial electrical systems.
- 50 kA ultimate short-circuit breaking capacity at 400–440 V AC.
- 42 kA ultimate short-circuit breaking capacity at 500–690 V AC.
- 42 kA rated short-time withstand current for 1 s.
- Three-pole configuration for three-phase electrical systems.
- Advanced Ekip G Touch LSIG electronic trip unit.
- Long-time, short-time, instantaneous and ground-fault protection.
- Generator-oriented protection functionality for generating sets and complex power networks.
- Withdrawable moving-part construction supports convenient isolation, testing and maintenance.
Key Features
- ABB SACE Emax 2 E1.2C air circuit breaker moving part.
- 1250 A rated uninterrupted current.
- Three-pole (3P) configuration.
- 690 V AC rated operational voltage.
- 1000 V AC rated insulation voltage.
- 12 kV rated impulse withstand voltage.
- 50 kA Icu at 400–440 V AC.
- 42 kA Icu at 500–690 V AC.
- 42 kA Icw for 1 s and 24 kA Icw for 3 s.
- Ekip G Touch LSIG electronic protection release.
- Long-time protection against sustained overload conditions.
- Short-time protection supporting selective coordination within distribution networks.
- Instantaneous protection for rapid interruption of severe short circuits.
- Integrated ground-fault protection for earth-fault conditions.
- 500–1250 A adjustable overload protection range.
- 750–12500 A adjustable short-time delayed short-circuit protection range.
- Generator-oriented protection and monitoring functionality.
- Touch interface for intuitive configuration and access to protection parameters.
- Four auxiliary contacts and circuit-breaker open/closed position indication.
- Withdrawable moving part (WMP) for switchboard applications.
Advanced Generator and Power Distribution Protection
The ABB Emax 2 E1.2C combines high-performance circuit interruption with intelligent electronic protection for important low-voltage circuits. Its 1250 A current rating, 50 kA ultimate breaking capacity at 400–440 V AC and 42 kA short-time withstand capability for 1 s make it suitable for generator connections, incoming supplies and distribution feeders where dependable fault interruption and selective coordination are required.
The Ekip G Touch LSIG trip unit is particularly suited to generator-connected electrical systems. It combines long-time, short-time, instantaneous and ground-fault protection with generator-oriented functionality and an intuitive touch interface, helping protect and coordinate generating sets, distribution equipment and connected loads within sophisticated power networks. The withdrawable construction further supports maintainability by allowing the moving part to be isolated and removed from the corresponding fixed part.
Typical Applications
- Generator protection and power-generation systems.
- Low-voltage distribution switchboards.
- Industrial power distribution systems.
- Commercial building electrical distribution.
- Standby and emergency power systems.
- Incoming and outgoing feeder protection.
- Generator and utility interconnected networks.
- Selective and coordinated distribution systems.
- Critical infrastructure and process installations.
- High-current distribution circuits up to 1250 A.
- Withdrawable switchgear requiring convenient isolation and maintenance.
Technical Specifications
| Product group | Emax2 Air Circuit Breaker |
|---|---|
| Series | SACE Emax 2 |
| ABB order code | 1SDA072187R1 |
| EAN | 8015644760373 |
| Product type | Air circuit breaker moving part |
| Frame | E1.2 |
| Performance level | C |
| Rated current (In) | 1250 A |
| Rated uninterrupted current (Iu) | 1250 A |
| Number of poles | 3 |
| Current type | AC |
| Rated operational voltage | 690 V AC |
| Rated insulation voltage (Ui) | 1000 V AC |
| Rated impulse withstand voltage (Uimp) | 12 kV |
| Ultimate short-circuit breaking capacity (Icu) | 50 kA at 400–440 V AC |
| Service short-circuit breaking capacity (Ics) | 50 kA at 400–440 V AC |
| Ics as percentage of Icu | 100% |
| Rated short-time withstand current (Icw) | 42 kA for 1 s |
| Trip unit | Ekip G Touch LSIG |
| Release type | Electronic / solid-state |
| Protection functions | Long-time, short-time, instantaneous and ground fault (LSIG) |
| Overload protection adjustment | 500–1250 A |
| Short-time delayed short-circuit adjustment | 750–12500 A |
| Ground-fault protection | Integrated |
| Generator-oriented protection | Yes |
| Execution | Withdrawable moving part (WMP) |
| Auxiliary contacts | 4 |
| Mechanical durability | 20,000 cycles |
| Electrical durability | 8,000 cycles at up to 440 V AC; 6,500 cycles at 500–690 V AC |
| Power loss | 244 W |
| Product width | 278 mm |
| Product height | 363.5 mm |
| Product depth | 271 mm |
| Product net weight | 18 kg |
| Application | Low-voltage power distribution and generator protection |
Frequently Asked Questions
What is the ABB 1SDA072187R1 used for?
The ABB 1SDA072187R1 is an Emax 2 air circuit breaker moving part designed for switching and protecting three-phase low-voltage power distribution and generator circuits in industrial, commercial and power-generation switchboards.
What is the rated current of the ABB E1.2C 1250?
The circuit breaker has a rated uninterrupted current of 1250 A, with an overload protection adjustment range of 500–1250 A.
What protection unit does the 1SDA072187R1 use?
The breaker uses an Ekip G Touch LSIG electronic trip unit providing long-time, short-time, instantaneous and ground-fault protection together with generator-oriented protection functionality.
What is the short-circuit performance of the ABB E1.2C 1250?
The E1.2C 1250 has an ultimate short-circuit breaking capacity of 50 kA at 400–440 V AC and 42 kA at 500–690 V AC, with a rated short-time withstand current of 42 kA for 1 s.
What does WMP mean on the ABB E1.2C 1250?
WMP identifies the withdrawable moving part of the circuit breaker. It is designed for installation with the corresponding ABB Emax 2 fixed part, allowing the breaker to be withdrawn for isolation, testing and maintenance.
Trusted Power Protection from ABB
ABB SACE Emax 2 air circuit breakers combine high-performance low-voltage circuit protection with advanced electronic trip technology, generator-oriented functionality, selective coordination and flexible withdrawable switchgear integration for modern industrial, commercial and power-generation systems.
