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1SDA070843R1 ABB E1.2N 1250 Ekip Dip LSIG 3p F F Air Circuit Breaker
ABB 1SDA070843R1 E1.2N 1250 Ekip Dip LSIG is a fixed three-pole SACE Emax 2 air circuit breaker rated at 1250 A with long-time, short-time, instantaneous and ground-fault electronic protection.
£5,085.95
Why Choose the ABB E1.2N 1250 Ekip Dip LSIG 3p F F Air Circuit Breaker?
The ABB E1.2N 1250 Ekip Dip LSIG 3p F F is a high-performance SACE Emax 2 air circuit breaker (ACB) designed for reliable protection and switching of low-voltage electrical distribution systems. Identified by ABB order code 1SDA070843R1, this fixed three-pole circuit breaker combines a 1250 A rated current with the Ekip Dip LSIG solid-state electronic protection release.
As part of the advanced ABB SACE Emax 2 E1.2 series, the breaker provides long-time overload, short-time selective short-circuit, instantaneous short-circuit and ground-fault protection. The Ekip Dip LSIG release offers straightforward electronic protection configuration using DIP switches, making it well suited to installations requiring comprehensive circuit protection without the complexity of a touchscreen trip unit.
The E1.2N 1250 is a fixed three-pole breaker with front terminals, designed for AC low-voltage distribution applications. Its E1.2N performance class provides a rated ultimate short-circuit breaking capacity of 66 kA at 400 V AC and a rated service short-circuit breaking capacity of 50 kA, delivering dependable fault interruption in demanding industrial and commercial installations.
Key Advantages
- High-performance SACE Emax 2 air circuit breaker for low-voltage power distribution.
- 1250 A rated current for high-current electrical installations.
- Ekip Dip LSIG electronic trip unit with comprehensive overload, short-circuit and ground-fault protection.
- 66 kA ultimate breaking capacity at 400 V AC.
- Integrated ground-fault protection through the LSIG release.
- Simple and dependable protection configuration using DIP-switch settings.
- Fixed three-pole construction with front main terminals.
Key Features
- ABB SACE Emax 2 E1.2N series.
- 1250 A rated uninterrupted current (Iu).
- Three-pole configuration.
- Fixed-mounted construction.
- Front terminals for the main circuit.
- Ekip Dip LSIG solid-state electronic release.
- Long-time, short-time, instantaneous and ground-fault protection functions.
- 66 kA rated ultimate short-circuit breaking capacity at 400 V AC.
- 50 kA rated service short-circuit breaking capacity.
- Adjustable protection settings using DIP switches.
- Fitted with four auxiliary contacts.
- Circuit-breaker open/closed position indication.
Comprehensive Protection for Low-Voltage Power Distribution
Air circuit breakers such as the ABB SACE Emax 2 provide switching and protection for high-current low-voltage electrical circuits. They interrupt abnormal currents during overload, short-circuit and ground-fault conditions, helping protect switchboards, cables, transformers and connected equipment while supporting dependable electrical distribution.
The Ekip Dip LSIG electronic release combines adjustable long-time, short-time and instantaneous protection with ground-fault protection. Its DIP-switch configuration allows protection settings to be established directly on the release, while the short-time function supports selective coordination with downstream protective devices in complex electrical distribution systems.
Typical Applications
- Industrial low-voltage switchboards and distribution panels.
- Main incoming circuit protection.
- High-current feeder and distribution circuits.
- Transformer secondary distribution systems.
- Manufacturing and process-industry electrical systems.
- Commercial buildings and infrastructure installations.
- Industrial plant and machinery power-distribution systems.
Technical Specifications
| Series | SACE Emax 2 |
|---|---|
| ABB order code | 1SDA070843R1 |
| EAN / GTIN | 8015644746933 |
| Product type | Air circuit breaker (ACB) |
| Frame | E1.2 |
| Performance level | N |
| Rated uninterrupted current (Iu) | 1250 A |
| Rated ultimate short-circuit breaking capacity (Icu) | 66 kA at 400 V AC |
| Rated service short-circuit breaking capacity (Ics) | 50 kA |
| Number of poles | 3 |
| Trip unit | Ekip Dip LSIG |
| Trip unit type | Electronic / solid-state |
| Protection functions | Long-time, short-time, instantaneous and ground fault (LSIG) |
| Long-time overload adjustment range | 500–1250 A |
| Instantaneous protection adjustment | 1.5–15 × In |
| Ground-fault protection | Integrated |
| Current type | AC |
| Mounting | Fixed |
| Main terminal arrangement | Front terminals |
| Auxiliary contacts | 4 |
| Open/closed indication | Included |
| Electrical durability | 8,000 cycles at ≤440 V AC; 6,500 cycles at 500–690 V AC |
| Mechanical durability | 20,000 cycles |
| Dimensions (W × H × D) | 214 × 295 × 184 mm |
| Net weight | 11 kg |
Frequently Asked Questions
What is the ABB 1SDA070843R1 used for?
The ABB 1SDA070843R1 is a SACE Emax 2 air circuit breaker used for switching and comprehensive protection of high-current low-voltage electrical distribution circuits.
What is the current rating of the E1.2N 1250?
The E1.2N 1250 has a rated uninterrupted current of 1250 A, making it suitable for high-current industrial and commercial distribution systems.
What protection functions does the Ekip Dip LSIG release provide?
The Ekip Dip LSIG electronic release provides long-time overload, short-time selective short-circuit, instantaneous short-circuit and ground-fault protection.
What is the breaking capacity of this circuit breaker?
The E1.2N 1250 has a rated ultimate short-circuit breaking capacity of 66 kA at 400 V AC and a rated service short-circuit breaking capacity of 50 kA.
Is the ABB 1SDA070843R1 a fixed or withdrawable circuit breaker?
This model is a fixed three-pole circuit breaker with front terminals, designed for permanent installation within a suitable low-voltage switchboard or power-distribution assembly.
Trusted Power Protection from ABB
ABB SACE Emax 2 air circuit breakers combine dependable electronic protection, high short-circuit performance and flexible protection functions for modern industrial, commercial and infrastructure power-distribution systems.
