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1SDA070842R1 ABB E1.2N 1250 Ekip Dip LSI 3p F F Air Circuit Breaker
ABB 1SDA070842R1 E1.2N 1250 Ekip Dip LSI is a fixed three-pole SACE Emax 2 air circuit breaker rated at 1250 A and 690 V AC with adjustable long-time, short-time and instantaneous electronic protection.
£4,589.39
Why Choose the ABB E1.2N 1250 Ekip Dip LSI 3p F F Air Circuit Breaker?
The ABB E1.2N 1250 Ekip Dip LSI 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 1SDA070842R1, this fixed three-pole circuit breaker combines a 1250 A rated current with the Ekip Dip LSI electronic protection release.
As part of the advanced ABB SACE Emax 2 E1.2 series, the breaker provides adjustable long-time overload, short-time selective short-circuit and instantaneous short-circuit protection. The Ekip Dip LSI release uses straightforward DIP-switch settings, providing dependable electronic protection without unnecessary configuration complexity.
The E1.2N 1250 is a fixed three-pole breaker with front terminals, with a rated operational voltage of up to 690 V AC. Its E1.2N performance class provides a rated ultimate short-circuit breaking capacity of 66 kA at 400–440 V AC and 50 kA at 500–690 V AC, making it suitable for demanding industrial and commercial power-distribution applications.
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 LSI electronic trip unit with adjustable overload and short-circuit protection.
- 66 kA ultimate breaking capacity at 400–440 V AC.
- 50 kA ultimate breaking capacity at 500–690 V AC.
- Simple 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).
- 690 V AC rated operational voltage.
- 1000 V AC rated insulation voltage.
- 50 / 60 Hz operating frequency.
- Three-pole configuration.
- Fixed-mounted construction.
- Front terminals for the main circuit.
- Ekip Dip LSI electronic release.
- Long-time, short-time and instantaneous protection functions.
- 66 kA Icu at 400–440 V AC.
- Adjustable protection settings using DIP switches.
Reliable 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 and short-circuit conditions, helping protect switchboards, cables, transformers and connected equipment while supporting reliable and selective electrical distribution.
The Ekip Dip LSI electronic release provides adjustable long-time, short-time and instantaneous protection. Its DIP-switch configuration allows protection thresholds to be set 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 | 1SDA070842R1 |
| Product type | Air circuit breaker (ACB) |
| Frame | E1.2 |
| Performance level | N |
| Rated uninterrupted current (Iu) | 1250 A |
| Rated operational voltage (Ue) | 690 V AC |
| Rated insulation voltage (Ui) | 1000 V AC |
| Frequency | 50 / 60 Hz |
| Rated ultimate short-circuit breaking capacity (Icu) | 66 kA at 380–440 V AC |
| Rated short-time withstand current (Icw) | 50 kA for 1 s |
| Number of poles | 3 |
| Trip unit | Ekip Dip LSI |
| Trip unit type | Electronic / solid-state |
| Protection functions | Long-time, short-time and instantaneous (LSI) |
| Long-time overload protection adjustment | 0.4–1 × In |
| Short-time selective protection adjustment | 0.6–10 × In |
| Instantaneous protection adjustment | 1.5–15 × In |
| Protection setting method | DIP switches |
| Mounting | Fixed |
| Main terminal arrangement | Front terminals |
| Standard | IEC 60947-2 |
Frequently Asked Questions
What is the ABB 1SDA070842R1 used for?
The ABB 1SDA070842R1 is a SACE Emax 2 air circuit breaker used for switching and protection of high-current low-voltage electrical distribution circuits in industrial, commercial and infrastructure applications.
What is the current rating of the E1.2N 1250?
The E1.2N 1250 has a rated uninterrupted current of 1250 A and a rated operational voltage of up to 690 V AC.
What protection functions does the Ekip Dip LSI release provide?
The Ekip Dip LSI electronic release provides adjustable long-time overload, short-time selective short-circuit and instantaneous short-circuit 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 380–440 V AC and 50 kA at 500–690 V AC.
Is the ABB 1SDA070842R1 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 installation options for modern industrial, commercial and infrastructure power-distribution systems.
