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1SDA104318R1 ABB Emax 2 E2.2S/E9 1250A Ekip Dip LSIG 3P FHR 900V Air Circuit Breaker
ABB 1SDA104318R1 is a fixed three-pole Emax 2 E2.2S/E9 1250 A air circuit breaker with rear flat horizontal terminals, 900 V AC rating, 50 kA ultimate breaking capacity and an Ekip Dip LSIG electronic trip unit with integrated ground-fault protection.
£6,506.15
Why Choose the ABB 1SDA104318R1 Emax 2 E2.2S/E9 Air Circuit Breaker?
The ABB 1SDA104318R1 is a high-performance Emax 2 E2.2S/E9 air circuit breaker designed for protection and switching in demanding low-voltage AC power distribution systems. Rated at 1250 A and 900 V AC, this three-pole fixed circuit breaker combines robust short-circuit performance with an Ekip Dip LSIG electronic trip unit.
As part of the advanced ABB SACE Emax 2/E9 series, the E2.2S/E9 is engineered for applications requiring dependable protection at elevated AC operating voltages. The Ekip Dip LSIG release provides long-time, short-time, instantaneous and ground-fault protection functions, helping protect electrical distribution equipment against overloads, short circuits and earth faults.
The 1SDA104318R1 features a fixed three-pole configuration with rear flat horizontal terminals and a rated uninterrupted current of 1250 A. With a rated ultimate short-circuit breaking capacity of 50 kA at 900 V AC, it is suitable for demanding industrial, infrastructure and energy distribution installations.
Key Advantages
- High-performance ABB SACE Emax 2 E2.2S/E9 air circuit breaker.
- 1250 A rated uninterrupted current (Iu) for high-current distribution applications.
- Designed for operation at 900 V AC.
- 50 kA ultimate short-circuit breaking capacity at 900 V AC.
- Ekip Dip LSIG electronic trip unit provides overload, short-time, instantaneous and ground-fault protection.
- Fixed construction with rear flat horizontal terminals for switchboard integration.
Key Features
- ABB SACE Emax 2 E2.2S/E9 air circuit breaker.
- 1250 A rated uninterrupted current.
- Three-pole (3P) configuration.
- 900 V AC rated voltage.
- 50 kA Icu at 800 V AC and 900 V AC.
- Ekip Dip LSIG electronic release.
- Long-time, short-time, instantaneous and ground-fault protection functions.
- Integrated earth-fault protection.
- Fixed installation with rear flat horizontal terminals.
- Suitable for compatible 900 V IT networks.
Advanced LSIG Protection for 900 V AC Power Distribution
Air circuit breakers protect high-current electrical distribution systems by interrupting fault currents and disconnecting circuits when operating conditions exceed configured protection thresholds. The ABB Emax 2 platform combines high breaking performance with electronic protection technology for dependable operation in demanding industrial and energy distribution networks.
The Ekip Dip LSIG trip unit fitted to the 1SDA104318R1 adds ground-fault protection to long-time, short-time and instantaneous protection functions. Combined with the E2.2S/E9 breaker's 50 kA ultimate breaking capacity at 900 V AC, this provides comprehensive circuit protection for installations requiring high operating voltage, substantial fault-current capability and earth-fault detection.
Typical Applications
- Industrial low-voltage power distribution systems.
- 900 V AC electrical distribution networks.
- Main distribution switchboards and switchgear assemblies.
- Renewable energy and photovoltaic power systems.
- Commercial and infrastructure electrical distribution.
- Transformer, generator, cable and installation protection.
Technical Specifications
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| Voltage | 900 V AC | |
|---|---|---|
| Device Type | ACB | |
| Series | SACE Emax 2 / Emax 2 E9 | |
| Order code | 1SDA104318R1 | |
| Product type | Air circuit breaker | |
| Frame | E2.2S/E9 | |
| Rated uninterrupted current (Iu) | 1250 A | |
| Rated voltage (Ur) | 900 V | |
| Rated ultimate short-circuit breaking capacity (Icu) | 50 kA at 800 V AC / 50 kA at 900 V AC | |
| Rated short-time withstand current (Icw) | 50 kA for 1 s / 50 kA for 3 s | |
| Number of poles | 3P | |
| Installation | Fixed | |
| Terminal connection | Rear flat horizontal | |
| Main circuit connection | Bolt connection | |
| Trip unit | Ekip Dip LSIG | |
| Release type | Electronic | |
| Protection functions | LSIG – Long-time, Short-time, Instantaneous and Ground-fault | |
| Overload release adjustment range | 500–1250 A | |
| Short-time short-circuit adjustment range | 750–12500 A | |
| Instantaneous short-circuit adjustment range | 1875–18750 A | |
| Earth-fault protection | Integrated | |
| Short-circuit performance level | S | |
| Current type | AC | |
| Auxiliary change-over contacts | 4 | |
| Protection rating | IP30 | |
| Suitable for IT networks | Yes, 900 V | |
| Standard | IEC | |
| EAN | 8056221026093 | |
| Product group | Emax2 Air Circuit Breaker |
Frequently Asked Questions
What is the ABB 1SDA104318R1 used for?
The ABB 1SDA104318R1 is an Emax 2 E2.2S/E9 air circuit breaker used for switching and protecting high-current AC power distribution systems against overload, short-circuit and earth-fault conditions.
What is the current rating of the ABB 1SDA104318R1?
The circuit breaker has a rated uninterrupted current Iu of 1250 A.
What protection unit is fitted to the ABB 1SDA104318R1?
The breaker is fitted with an ABB Ekip Dip LSIG electronic trip unit, providing long-time, short-time, instantaneous and ground-fault protection functions.
What is the breaking capacity of the ABB 1SDA104318R1?
The E2.2S/E9 circuit breaker provides a rated ultimate short-circuit breaking capacity Icu of 50 kA at 900 V AC.
Is the ABB 1SDA104318R1 fixed or withdrawable?
The 1SDA104318R1 is a fixed three-pole circuit breaker with rear flat horizontal terminals for integration into compatible low-voltage switchboards.
Trusted ABB Emax 2 Circuit Protection
ABB SACE Emax 2 air circuit breakers combine high-performance switching with advanced electronic protection, providing dependable overload, short-circuit and ground-fault protection for industrial, infrastructure and energy distribution systems.
