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1SDA070845R1 ABB E1.2N 1250 Ekip Touch LSI 3p F F Air Circuit Breaker
ABB 1SDA070845R1 Emax 2 E1.2N 1250 fixed three-pole air circuit breaker with a 1250 A rated uninterrupted current, 690 V AC rated voltage, Ekip Touch LSI electronic trip unit and 66 kA ultimate short-circuit breaking capacity at 400 V AC.
£4,649.57
Why Choose the ABB E1.2N 1250 Ekip Touch LSI 3p F F Air Circuit Breaker?
The ABB E1.2N 1250 Ekip Touch LSI 3p F F, order code 1SDA070845R1, is a high-performance SACE Emax 2 air circuit breaker (ACB) designed for protection, switching and control of low-voltage electrical distribution systems. As part of the advanced ABB Emax 2 E1.2 series, this fixed three-pole circuit breaker combines a 1250 A rated uninterrupted current with an Ekip Touch LSI solid-state electronic trip unit.
Designed for demanding industrial and commercial power distribution applications, the E1.2N provides comprehensive protection against overloads and short circuits. The Ekip Touch LSI electronic release provides long-time, short-time and instantaneous protection functions, while the Emax 2 platform supports efficient integration into modern low-voltage switchboards and power distribution systems.
With a rated uninterrupted current of 1250 A, a rated operational voltage of 690 V AC and a rated ultimate short-circuit breaking capacity of 66 kA at 400 V AC, the E1.2N 1250 is designed for demanding electrical installations. Its fixed three-pole construction with front terminals provides a practical solution for main distribution boards, industrial switchgear and critical power distribution applications.
Key Advantages
- High-performance ABB SACE Emax 2 air circuit breaker for low-voltage power distribution.
- 1250 A rated uninterrupted current for high-current electrical circuits.
- 66 kA ultimate short-circuit breaking capacity at 400 V AC.
- Advanced Ekip Touch LSI solid-state electronic trip unit.
- LSI protection functions covering overload, selective short-circuit and instantaneous short-circuit protection.
- Fixed three-pole construction with front terminals for switchboard integration.
- Supplied with four auxiliary change-over contacts and circuit-breaker open/closed position indication.
- Compact E1.2 frame helps optimise installation space in low-voltage switchgear.
Key Features
- ABB SACE Emax 2 E1.2N series.
- 1250 A rated uninterrupted current.
- 690 V AC rated operational voltage.
- Three-pole configuration.
- Fixed version for permanent switchboard installation.
- Front terminal arrangement.
- Ekip Touch LSI solid-state electronic release.
- Long-time overload protection (L).
- Short-time selective short-circuit protection (S).
- Instantaneous short-circuit protection (I).
- 66 kA rated ultimate short-circuit breaking capacity at 400 V AC.
- IP30 degree of protection.
- Four auxiliary change-over contacts with open/closed breaker position indication.
Advanced Circuit Protection for Low-Voltage Distribution
Air circuit breakers such as the ABB SACE Emax 2 provide switching, isolation and protection for high-current low-voltage distribution circuits. The E1.2N frame combines substantial short-circuit performance with compact construction, helping protect electrical equipment and distribution infrastructure while making efficient use of space within modern switchboards.
The Ekip Touch LSI electronic trip unit provides long-time overload, short-time selective and instantaneous short-circuit protection. This combination allows the circuit breaker to provide comprehensive overcurrent protection while supporting selective coordination strategies within industrial and commercial electrical distribution networks.
Typical Applications
- Low-voltage main distribution switchboards.
- Industrial power distribution systems.
- Commercial and large-building electrical distribution.
- Manufacturing plants and process facilities.
- Infrastructure and utility installations.
- Transformer secondary distribution systems.
- Data centres and critical power installations.
- Electrical switchgear and panel building.
Technical Specifications
| Series | SACE Emax 2 |
|---|---|
| Frame | E1.2N |
| Product ID / order code | 1SDA070845R1 |
| Product group | Emax2 Air Circuit Breaker |
| Product type | Air circuit breaker |
| Rated uninterrupted current (Iu) | 1250 A |
| Rated operational voltage | 690 V AC |
| Number of poles | 3 |
| Version | Fixed |
| Terminal arrangement | Front terminals |
| Trip unit | Ekip Touch LSI |
| Release type | Solid-state electronic |
| Protection functions | LSI |
| Rated ultimate short-circuit breaking capacity (Icu) | 66 kA at 400 V AC |
| Degree of protection | IP30 |
| Auxiliary contacts | 4 change-over contacts |
| Breaker position indication | Open / closed |
| Product net width | 210 mm |
| Product net height | 296 mm |
| Product net depth | 183 mm |
| Product net weight | 14 kg |
| EAN | 8015644746957 |
Frequently Asked Questions
What is the ABB 1SDA070845R1 used for?
The ABB 1SDA070845R1 is an Emax 2 air circuit breaker designed for switching and protecting high-current low-voltage electrical distribution circuits in industrial, commercial and infrastructure applications.
What is the rated current of the ABB E1.2N 1250?
The E1.2N 1250 Ekip Touch LSI has a rated uninterrupted current of 1250 A.
What is the breaking capacity of the ABB E1.2N 1250?
The E1.2N 1250 has a rated ultimate short-circuit breaking capacity of 66 kA at 400 V AC, providing substantial fault protection for demanding low-voltage distribution applications.
What protection does the Ekip Touch LSI trip unit provide?
The Ekip Touch LSI electronic trip unit provides long-time overload, short-time selective short-circuit and instantaneous short-circuit protection.
Is the ABB 1SDA070845R1 a fixed or withdrawable circuit breaker?
The 1SDA070845R1 is a fixed three-pole air circuit breaker with front terminals, designed for permanent installation within compatible low-voltage switchboards and distribution assemblies.
Trusted for Critical Power Distribution
ABB SACE Emax 2 air circuit breakers are widely used in low-voltage power distribution systems where dependable switching, high short-circuit performance and advanced electronic protection are required.
