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1SDA070829R1 ABB E1.2B 1250 Ekip Hi-Touch LSIG 3p F F Air Circuit Breaker
ABB 1SDA070829R1 E1.2B 1250 Ekip Hi-Touch LSIG is a fixed three-pole SACE Emax 2 air circuit breaker rated at 1250 A and 690 V AC with advanced long-time, short-time, instantaneous and ground-fault electronic protection.
£7,072.19
Why Choose the ABB E1.2B 1250 Ekip Hi-Touch LSIG 3p F F Air Circuit Breaker?
The ABB E1.2B 1250 Ekip Hi-Touch LSIG 3p F F is a high-performance SACE Emax 2 air circuit breaker (ACB) designed for advanced protection, monitoring and management of low-voltage electrical distribution systems. Identified by ABB order code 1SDA070829R1, this fixed three-pole circuit breaker combines a 1250 A rated current with the advanced Ekip Hi-Touch LSIG solid-state electronic protection release.
As part of the ABB SACE Emax 2 E1.2 series, the breaker provides configurable long-time overload, short-time selective short-circuit, instantaneous short-circuit and ground-fault protection. The Ekip Hi-Touch platform combines sophisticated protection with advanced measurement and monitoring capabilities, making this configuration well suited to installations requiring accurate protection coordination and detailed visibility of electrical-system performance.
The E1.2B 1250 is a fixed three-pole breaker with front terminals, rated for operation up to 690 V AC. Its E1.2B performance class provides a rated ultimate short-circuit breaking capacity of 42 kA at 400 V AC and a rated short-time withstand current of 42 kA for 1 s, providing dependable protection for demanding industrial and commercial power-distribution systems.
Key Advantages
- Advanced SACE Emax 2 air circuit breaker for low-voltage power distribution.
- 1250 A rated current for high-current electrical installations.
- Ekip Hi-Touch LSIG electronic trip unit with advanced protection, measurement and monitoring capabilities.
- 42 kA ultimate breaking capacity at 400 V AC.
- Integrated ground-fault protection through the LSIG protection release.
- Fixed three-pole construction with front main terminals.
- Flexible integration with automation, energy-management and intelligent power-distribution systems.
Key Features
- ABB SACE Emax 2 E1.2B series.
- 1250 A rated uninterrupted current (Iu).
- 690 V AC rated operational voltage.
- Three-pole configuration.
- Fixed-mounted construction.
- Front terminals for the main circuit.
- Ekip Hi-Touch LSIG solid-state electronic release.
- Long-time, short-time, instantaneous and ground-fault protection functions.
- 42 kA rated ultimate short-circuit breaking capacity at 400 V AC.
- 42 kA rated short-time withstand current for 1 s.
- Supplied with four auxiliary contacts.
- Circuit-breaker open/closed position indication.
Advanced Protection and Power Management
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 reliable and selective electrical distribution.
The Ekip Hi-Touch LSIG release provides configurable long-time, short-time, instantaneous and ground-fault protection together with advanced measurement and monitoring functionality. Combined with the flexible Emax 2 architecture, the E1.2B 1250 is well suited to installations requiring accurate protection coordination, detailed electrical-system visibility and integration with modern automation and energy-management platforms.
Typical Applications
- Industrial low-voltage switchboards and distribution panels.
- Main incoming circuit protection.
- High-current feeder and distribution circuits.
- Transformer and installation protection.
- Manufacturing and process-industry electrical systems.
- Commercial buildings and infrastructure installations.
- Automation and intelligent energy-management systems.
Technical Specifications
| Series | SACE Emax 2 |
|---|---|
| ABB order code | 1SDA070829R1 |
| EAN / GTIN | 8015644746797 |
| Product type | Air circuit breaker (ACB) |
| Frame | E1.2 |
| Performance level | B |
| Rated uninterrupted current (Iu) | 1250 A |
| Rated operational voltage | 690 V AC |
| Rated ultimate short-circuit breaking capacity (Icu) | 42 kA at 400 V AC |
| Rated short-time withstand current (Icw) | 42 kA for 1 s |
| Number of poles | 3 |
| Trip unit | Ekip Hi-Touch LSIG |
| Trip unit type | Electronic / solid-state |
| Protection functions | Long-time, short-time, instantaneous and ground fault (LSIG) |
| Overload release adjustment range | 500–1250 A |
| Short-time short-circuit adjustment range | 750–12500 A |
| Ground-fault protection | Integrated |
| Mounting | Fixed |
| Main terminal arrangement | Front terminals |
| Auxiliary contacts | 4 |
| Open/closed indication | Included |
Frequently Asked Questions
What is the ABB 1SDA070829R1 used for?
The ABB 1SDA070829R1 is a SACE Emax 2 air circuit breaker used for advanced switching, protection and monitoring of high-current low-voltage electrical distribution circuits.
What is the current rating of the E1.2B 1250?
The E1.2B 1250 has a rated uninterrupted current of 1250 A and is rated for operational voltages up to 690 V AC.
What protection functions does the Ekip Hi-Touch LSIG release provide?
The Ekip Hi-Touch LSIG electronic release provides configurable long-time overload, short-time selective short-circuit, instantaneous short-circuit and ground-fault protection, together with advanced measurement and monitoring capabilities.
What is the breaking capacity of this circuit breaker?
The E1.2B 1250 has a rated ultimate short-circuit breaking capacity of 42 kA at 400 V AC and a rated short-time withstand current of 42 kA for 1 s.
Is the ABB 1SDA070829R1 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 advanced electronic protection, high-performance measurement and flexible integration capabilities for dependable operation in modern industrial, commercial and infrastructure power-distribution systems.
