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ABB 1SDA071389R1 Emax 2 E1.2C 800 four-pole fixed air circuit breaker with an 800 A rating, Ekip Hi-Touch LSIG electronic protection, integrated measurement and 50 kA ultimate breaking capacity at 400–415 V AC.
£7,959.93
The ABB E1.2C 800 Ekip Hi-Touch LSIG 4p F F, order code 1SDA071389R1, is a high-performance four-pole air circuit breaker (ACB) designed for advanced protection, measurement and switching in low-voltage electrical distribution systems. As part of the ABB SACE Emax 2 series, it combines the compact E1.2 frame with an Ekip Hi-Touch electronic trip unit for sophisticated circuit protection, electrical measurement and power-quality monitoring.
This fixed circuit breaker features front terminals and an Ekip Hi-Touch LSIG electronic protection release, providing long-time overload, selective short-time short-circuit, instantaneous short-circuit and earth-fault protection. The Hi-Touch platform incorporates Ekip Measuring Pro and Network Analyzer functionality, while its touch-sensitive display provides an intuitive interface for protection configuration and monitoring.
With a rated current of 800 A, a rated operational voltage of 690 V AC and an ultimate short-circuit breaking capacity of 50 kA at 400–415 V AC, the E1.2C 800 provides robust protection for demanding low-voltage distribution systems. Its four-pole configuration enables switching across three phases and neutral, while the fixed construction and front terminals provide a dependable solution for permanent switchboard installation.
Air circuit breakers such as the ABB SACE Emax 2 E1.2C protect electrical distribution systems against overloads, short circuits and earth faults while providing dependable switching of high-current circuits. The E1.2C performance level combines a compact frame with an ultimate breaking capacity of 50 kA at 380–440 V AC, making it suitable for main distribution, incomer and feeder duties in demanding low-voltage installations.
The Ekip Hi-Touch LSIG trip unit combines long-time, selective short-time, instantaneous and earth-fault protection with advanced electrical measurement and network analysis. Integrated Ekip Measuring Pro and Network Analyzer functionality helps operators monitor electrical conditions and power quality while the configurable protection functions support effective selectivity and coordination throughout the distribution system.
| Series | SACE Emax 2 |
|---|---|
| Order code / MPN | 1SDA071389R1 |
| Product type | Air circuit breaker |
| Frame | E1.2 |
| Performance level | C |
| Rated current (In) | 800 A |
| Rated operational voltage (Ue) | 690 V AC |
| Rated insulation voltage (Ui) | 1000 V AC |
| Rated frequency | 50 / 60 Hz |
| Rated ultimate short-circuit breaking capacity (Icu) at 380 V AC | 50 kA |
| Rated ultimate short-circuit breaking capacity (Icu) at 400–415 V AC | 50 kA |
| Rated ultimate short-circuit breaking capacity (Icu) at 440 V AC | 50 kA |
| Rated ultimate short-circuit breaking capacity (Icu) at 500–525 V AC | 42 kA |
| Rated ultimate short-circuit breaking capacity (Icu) at 690 V AC | 42 kA |
| Number of poles | 4 |
| Current type | AC |
| Trip unit | Ekip Hi-Touch LSIG |
| Release type | Electronic |
| Long-time overload protection adjustment | 0.4–1 × In |
| Instantaneous short-circuit protection adjustment | 1.5–15 × In |
| Earth-fault protection adjustment | 0.1–1 × In |
| Protection functions | Long-time overload, selective short-time short-circuit, instantaneous short-circuit and earth-fault protection |
| Measurement module | Ekip Measuring Pro |
| Network analysis | Integrated Network Analyzer |
| Display | Touch-sensitive LED display |
| Version | Fixed |
| Terminal connection | Front terminals |
| Standard | IEC 60947-2 |
The ABB 1SDA071389R1 is an Emax 2 air circuit breaker designed for advanced switching, circuit protection, electrical measurement and monitoring in low-voltage power distribution systems.
The circuit breaker has a rated current of 800 A.
The E1.2C 800 has a rated ultimate short-circuit breaking capacity (Icu) of 50 kA at 380–440 V AC and 42 kA at 500–690 V AC.
The breaker is fitted with an ABB Ekip Hi-Touch LSIG electronic trip unit, providing long-time overload, selective short-time short-circuit, instantaneous short-circuit and earth-fault protection together with advanced measurement functionality.
The 1SDA071389R1 is a fixed four-pole circuit breaker with front terminals, designed for permanent installation within a low-voltage electrical switchboard.
ABB SACE Emax 2 air circuit breakers combine intelligent electronic protection, advanced electrical measurement, network analysis and dependable switching performance for demanding low-voltage distribution systems across industrial, commercial and infrastructure applications.
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