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1SDA104335R1 ABB Emax 2 E2.2S/E9 1250A Ekip Hi-Touch LSIG 4P FHR 900V Air Circuit Breaker
ABB 1SDA104335R1 is a 1250 A four-pole fixed Emax 2 E2.2S/E9 air circuit breaker rated for 900 V AC with an Ekip Hi-Touch LSIG electronic trip unit, fixed horizontal rear terminals and 50 kA short-circuit breaking capacity.
£11,061.44
Why Choose the ABB 1SDA104335R1 Emax 2 E2.2S/E9 Air Circuit Breaker?
The ABB 1SDA104335R1 is a high-performance Emax 2 E2.2S/E9 air circuit breaker designed for protection and control of demanding low-voltage AC power distribution systems operating at up to 900 V AC. Rated at 1250 A, this four-pole fixed circuit breaker combines ABB's Emax 2 switching technology with an advanced Ekip Hi-Touch LSIG electronic trip unit.
The E2.2S/E9 platform is specifically engineered for higher-voltage low-voltage distribution applications, including renewable energy and industrial installations. The 1SDA104335R1 provides 50 kA ultimate and service short-circuit breaking capacity at 900 V AC, together with long-time, short-time, instantaneous and earth-fault protection through its Ekip Hi-Touch LSIG release.
With a rated uninterrupted current of 1250 A, a four-pole fixed configuration and fixed horizontal rear (FHR) terminals, the 1SDA104335R1 provides a robust solution for switchboards requiring high-performance protection at elevated operating voltages. The Emax 2 architecture also supports ABB communication and digital integration options for modern electrical distribution systems.
Key Advantages
- High-performance ABB SACE Emax 2 E2.2S/E9 air circuit breaker.
- 1250 A rated uninterrupted current for high-current distribution systems.
- Designed for operation at up to 900 V AC.
- 50 kA short-circuit breaking capacity at 900 V AC.
- Advanced Ekip Hi-Touch LSIG electronic trip unit.
- Four-pole configuration provides switching and protection of all four conductors.
- Fixed horizontal rear terminals support integration with switchboard busbar systems.
- Suitable for industrial, renewable energy and critical power distribution applications.
Key Features
- ABB SACE Emax 2 E2.2S/E9 series.
- 1250 A rated current.
- 900 V AC rated operational voltage.
- 4-pole fixed construction.
- Fixed horizontal rear (FHR) terminals.
- Ekip Hi-Touch LSIG electronic release.
- Long-time, short-time, instantaneous and earth-fault protection functions.
- 50 kA Icu at 900 V AC.
- 50 kA Ics at 900 V AC.
- 50 kA short-time withstand current for 1 and 3 seconds.
- 1000 V AC rated insulation voltage.
- 12 kV rated impulse withstand voltage.
Advanced Protection for 900 V Power Distribution
The ABB Emax 2 E2.2S/E9 platform is engineered for low-voltage electrical systems requiring dependable protection at elevated operating voltages. With a 900 V AC operational rating and 50 kA breaking capacity, the 1SDA104335R1 is particularly suited to demanding distribution architectures where high fault-current performance and selective protection are essential.
Its Ekip Hi-Touch LSIG electronic trip unit provides comprehensive long-time, short-time, instantaneous and earth-fault protection. The Emax 2 platform can also accommodate communication modules for integration with industrial communication networks and digital power management systems, making it suitable for sophisticated switchboards and connected electrical installations.
Typical Applications
- 900 V AC low-voltage power distribution systems.
- Solar photovoltaic power distribution installations.
- Wind power generation systems.
- Industrial main distribution switchboards.
- High-current commercial and infrastructure power systems.
- Generator and cable protection applications.
- Critical power distribution and energy management systems.
Technical Specifications
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| Voltage | 900 V AC | |
|---|---|---|
| Device Type | ACB | |
| Series | SACE Emax 2 | |
| Model / order code | 1SDA104335R1 | |
| Breaker designation | E2.2S/E9 1250 Ekip Hi-Touch LSIG 4p FHR | |
| Product type | Air circuit breaker | |
| Frame size | E2.2 | |
| Performance level | S | |
| Current type | AC | |
| Rated current (In) | 1250 A | |
| Rated uninterrupted current (Iu) | 1250 A | |
| Rated operational voltage (Ue) | 900 V AC | |
| Rated voltage (Ur) | 900 V | |
| Rated insulation voltage (Ui) | 1000 V AC | |
| Rated impulse withstand voltage (Uimp) | 12 kV | |
| Rated ultimate short-circuit breaking capacity (Icu) at 900 V AC | 50 kA | |
| Rated service short-circuit breaking capacity (Ics) at 900 V AC | 50 kA | |
| Rated short-time withstand current (Icw), 1 s | 50 kA | |
| Rated short-time withstand current (Icw), 3 s | 50 kA | |
| Number of poles | 4 | |
| Installation version | Fixed | |
| Terminal configuration | Fixed horizontal rear (FHR) | |
| Trip unit | Ekip Hi-Touch LSIG | |
| Release type | Electronic | |
| Power loss | 83 W | |
| Electrical endurance at 900 V | 2000 cycles | |
| Electrical operating frequency | 30 cycles per hour | |
| Mechanical endurance | 25,000 cycles | |
| Mechanical operating frequency | 60 cycles per hour |
Frequently Asked Questions
What is the ABB 1SDA104335R1 used for?
The ABB 1SDA104335R1 is a 1250 A four-pole Emax 2 air circuit breaker designed to protect and control demanding AC power distribution systems operating at up to 900 V AC.
What protection unit is fitted to the ABB 1SDA104335R1?
The circuit breaker is equipped with an Ekip Hi-Touch LSIG electronic trip unit, providing long-time, short-time, instantaneous and earth-fault protection functions.
What is the breaking capacity of the ABB 1SDA104335R1?
The E2.2S/E9 1SDA104335R1 has a rated ultimate short-circuit breaking capacity of 50 kA at 900 V AC, with a rated service short-circuit breaking capacity of 50 kA.
How many poles does the ABB 1SDA104335R1 have?
The 1SDA104335R1 is a four-pole air circuit breaker with a fixed installation configuration and fixed horizontal rear terminals.
Is the ABB 1SDA104335R1 suitable for 900 V AC systems?
Yes. The E2.2S/E9 version is specifically rated for operation at 900 V AC, making it suitable for compatible industrial, renewable energy and high-voltage low-voltage distribution systems.
ABB Emax 2 High-Performance Circuit Protection
ABB SACE Emax 2 air circuit breakers combine high-performance circuit protection, advanced electronic trip technology and flexible system integration for demanding industrial, infrastructure and renewable energy power distribution applications.
