Standard delivery
£8 ex VAT · free over £200UK parcel delivery is £8 ex VAT, or free on orders over £200 ex VAT.
Heavier items may be charged at a weight-based or pallet rate, shown at checkout.
1SDA070847R1 ABB E1.2N 1250 Ekip G Touch LSIG 3p F F Air Circuit Breaker
ABB 1SDA070847R1 Emax 2 E1.2N 1250 air circuit breaker, a fixed three-pole 1250 A ACB with front terminals, Ekip G Touch LSIG electronic protection and integrated generator-focused measurement functionality.
£7,643.96
Why Choose the ABB E1.2N 1250 Ekip G Touch LSIG 3p F F Air Circuit Breaker?
The ABB E1.2N 1250 Ekip G Touch LSIG 3p F F, order code 1SDA070847R1, is a high-performance SACE Emax 2 air circuit breaker (ACB) designed for advanced generator protection and low-voltage AC power distribution. Part of the ABB Emax 2 E1.2 series, this configuration combines a compact 1250 A frame with the Ekip G Touch electronic trip unit for demanding generator, industrial and infrastructure power systems.
This model is a fixed, three-pole circuit breaker with front terminals and an Ekip G Touch LSIG solid-state electronic release. The LSIG functions provide long-time overload, short-time short-circuit, instantaneous short-circuit and earth-fault protection, while the generator-specific Ekip G platform incorporates additional functionality developed for generator protection and power-management applications.
With a rated uninterrupted current of 1250 A, rated operational voltage of 690 V AC and rated ultimate short-circuit breaking capacity of 66 kA at 400/415 V AC, the E1.2N 1250 provides robust protection where high prospective fault currents are present. Its integrated Ekip Measuring Pro functionality, touchscreen configuration and auxiliary signalling contacts support sophisticated monitoring and control within modern switchboards.
Key Advantages
- High-performance ABB SACE Emax 2 E1.2N air circuit breaker.
- 1250 A rated uninterrupted current for substantial generator and distribution loads.
- Ekip G Touch LSIG electronic trip unit developed for advanced generator protection.
- LSIG functionality provides overload, short-time, instantaneous and earth-fault protection.
- 66 kA Icu at 400/415 V AC provides robust interruption of high fault currents.
- Ekip Measuring Pro functionality supports advanced electrical measurement and monitoring.
- Touchscreen interface simplifies protection configuration and system supervision.
- Three-pole fixed configuration with front terminals for permanent switchboard installation.
Key Features
- ABB SACE Emax 2 E1.2N series.
- 1250 A rated current.
- Three-pole configuration.
- Fixed version with front terminal connections.
- Ekip G Touch LSIG solid-state electronic release.
- Long-time L overload protection, adjustable from 0.4–1 × In.
- Short-time S selective short-circuit protection.
- Instantaneous I short-circuit protection, adjustable from 1.5–15 × In.
- G earth-fault protection, adjustable from 0.1–1 × In.
- 690 V AC rated operational voltage.
- 1000 V AC rated insulation voltage.
- 12 kV rated impulse withstand voltage.
- 66 kA Icu at 400/415 V AC.
- 50 kA Icu at 690 V AC.
- Integrated generator-specific protection functions.
- Integrated Ekip Measuring Pro functionality.
- Touch-sensitive display for configuration and monitoring.
- Four auxiliary contacts and open/closed position indication.
Advanced Protection for Generator and Power Distribution Systems
Air circuit breakers such as the ABB Emax 2 E1.2N protect generators and low-voltage distribution systems by automatically interrupting current when hazardous electrical conditions occur. The Ekip G Touch LSIG release combines adjustable overload, selective short-circuit, instantaneous short-circuit and earth-fault protection with generator-specific functionality, allowing comprehensive protection of generating sets, cables, busbars and connected distribution equipment.
The E1.2N platform provides high short-circuit performance while retaining the compact architecture of the Emax 2 E1.2 frame. Integrated measurement capabilities and touchscreen configuration make the 1SDA070847R1 particularly suitable for sophisticated generator switchboards, industrial power systems and installations requiring detailed electrical monitoring alongside dependable circuit protection.
Typical Applications
- Generator protection and generator switchboards.
- Low-voltage main distribution switchboards.
- Industrial power generation and distribution systems.
- Standby and emergency generator installations.
- Main incomer and high-current feeder protection.
- Manufacturing and process plant switchgear.
- Infrastructure and critical-power distribution systems.
- OEM switchboards and intelligent power-management systems.
Technical Specifications
| Series | SACE Emax 2 E1.2 |
|---|---|
| ABB order code | 1SDA070847R1 |
| EAN | 8015644746971 |
| Product type | Air circuit breaker |
| Frame / performance class | E1.2N |
| Rated current | 1250 A |
| 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 |
| Number of poles | 3 |
| Version | Fixed |
| Terminal connection | Front |
| Trip unit | Ekip G Touch LSIG electronic release |
| Protection functions | L (overload), S (short-time), I (instantaneous), G (earth fault) |
| Overload protection adjustment | 0.4–1 × In |
| Instantaneous protection adjustment | 1.5–15 × In |
| Earth-fault protection adjustment | 0.1–1 × In |
| Rated ultimate short-circuit breaking capacity (Icu) at 380 V AC | 66 kA |
| Rated ultimate short-circuit breaking capacity (Icu) at 400/415 V AC | 66 kA |
| Rated ultimate short-circuit breaking capacity (Icu) at 440 V AC | 66 kA |
| Rated ultimate short-circuit breaking capacity (Icu) at 500/525 V AC | 50 kA |
| Rated ultimate short-circuit breaking capacity (Icu) at 690 V AC | 50 kA |
| Generator-specific protection | Integrated |
| Measurement functionality | Ekip Measuring Pro |
| Auxiliary contacts | 4 |
| Position indication | Circuit breaker open / closed |
| Current type | AC |
| Standard | IEC 60947-2 |
| Electrical durability at Ue ≤ 440 V | 8000 cycles |
| Electrical durability at 500–690 V | 6500 cycles |
| Mechanical durability | 20000 cycles |
| Power loss | 122 W |
| Dimensions (H × W × D) | 296 × 210 × 183 mm |
| Net weight | 14 kg |
Frequently Asked Questions
What is the ABB 1SDA070847R1 used for?
The ABB 1SDA070847R1 is an Emax 2 E1.2N air circuit breaker designed for generator protection and high-current low-voltage AC distribution applications, including generator switchboards, main incomers and industrial power systems.
What is the rated current of the E1.2N 1250 Ekip G Touch LSIG?
The circuit breaker has a rated current of 1250 A and a rated operational voltage of up to 690 V AC.
What protection does the Ekip G Touch LSIG trip unit provide?
The Ekip G Touch LSIG electronic trip unit provides long-time overload (L), short-time short-circuit (S), instantaneous short-circuit (I) and earth-fault (G) protection together with generator-specific protection functionality.
What is the breaking capacity of the ABB 1SDA070847R1?
The E1.2N 1250 has a rated ultimate short-circuit breaking capacity of 66 kA at 400/415 V AC and 50 kA at 690 V AC.
Is the ABB 1SDA070847R1 fixed or withdrawable?
The 1SDA070847R1 is a fixed three-pole air circuit breaker with front terminals, designed for permanent installation within a suitable low-voltage or generator switchboard.
Trusted ABB Protection for Critical Power Systems
ABB SACE Emax 2 air circuit breakers combine high short-circuit performance, advanced electronic protection and sophisticated measurement capabilities to provide dependable protection and control for generator and low-voltage power distribution systems.
