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1SDA104389R1 ABB Emax 2 E4.2S/E9 3200A Ekip Touch LSIG 4P FHR 900V Air Circuit Breaker
ABB 1SDA104389R1 is a fixed four-pole Emax 2 E4.2S/E9 3200 A air circuit breaker configured for 900 V AC applications with rear flat horizontal terminals and an Ekip Touch LSIG electronic trip unit for overload, short-circuit and ground-fault protection.
£17,571.22
Why Choose the ABB 1SDA104389R1 Emax 2 E4.2S/E9 Air Circuit Breaker?
The ABB 1SDA104389R1 is a high-performance Emax 2 E4.2S/E9 air circuit breaker designed for switching and protection in demanding AC power distribution systems. Rated at 3200 A and configured for 900 V AC applications, this four-pole fixed circuit breaker combines the E4.2S/E9 frame with an advanced Ekip Touch LSIG electronic trip unit.
As part of the ABB SACE Emax 2/E9 series, the E4.2S/E9 is engineered for high-current installations requiring dependable protection at elevated AC operating voltages. The Ekip Touch 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 1SDA104389R1 features a fixed four-pole configuration with rear flat horizontal terminals, a 3200 A current rating and a 900 V AC configuration. Its four-pole construction enables switching of the neutral conductor alongside the three phase conductors, making it particularly suitable for compatible three-phase, four-wire high-current distribution systems.
Key Advantages
- High-performance ABB SACE Emax 2 E4.2S/E9 air circuit breaker.
- 3200 A current rating for demanding high-current power distribution applications.
- Four-pole (4P) configuration for systems requiring neutral switching.
- Configured for 900 V AC applications.
- Ekip Touch LSIG electronic trip unit provides comprehensive overload, short-circuit and ground-fault protection.
- Fixed construction with rear flat horizontal terminals for switchboard integration.
Key Features
- ABB SACE Emax 2 E4.2S/E9 air circuit breaker.
- 3200 A current rating.
- Four-pole (4P) configuration.
- 900 V AC configuration.
- Ekip Touch LSIG electronic protection trip unit.
- Long-time overload protection.
- Short-time and instantaneous short-circuit protection.
- Ground-fault protection.
- Fixed installation.
- Rear flat horizontal (FHR) terminals.
Advanced Ekip Touch LSIG Protection for High-Current Distribution
Air circuit breakers provide switching, isolation and fault protection for high-current electrical distribution systems. By detecting abnormal operating conditions and disconnecting affected circuits, they help protect cables, busbars, transformers, generators and other electrical equipment against potentially damaging overload, short-circuit and earth-fault conditions.
The Ekip Touch LSIG trip unit fitted to the ABB 1SDA104389R1 combines long-time, short-time, instantaneous and ground-fault protection with the functionality of ABB's Ekip Touch platform. Together with the E4.2S/E9 frame, 3200 A current rating, four-pole construction and 900 V AC configuration, it provides an advanced protection solution for demanding high-current electrical distribution networks.
Typical Applications
- Industrial high-current power distribution systems.
- 900 V AC electrical distribution applications.
- Three-phase, four-wire electrical distribution systems.
- Main distribution switchboards and switchgear assemblies.
- Power generation and renewable energy installations.
- Transformer, generator, cable and busbar protection.
Technical Specifications
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| Voltage | 900 V AC | |
|---|---|---|
| Device Type | ACB | |
| Series | SACE Emax 2 / Emax 2 E9 | |
| Order code | 1SDA104389R1 | |
| Product type | Air circuit breaker | |
| Frame | E4.2S/E9 | |
| Rated current | 3200 A | |
| Voltage configuration | 900 V AC | |
| Number of poles | 4P | |
| Installation | Fixed | |
| Terminal connection | Rear flat horizontal (FHR) | |
| Trip unit | Ekip Touch LSIG | |
| Release type | Electronic | |
| Protection functions | LSIG – Long-time, Short-time, Instantaneous and Ground-fault | |
| Ground-fault protection | Integrated | |
| Short-circuit performance level | S | |
| Current type | AC | |
| Product group | Emax2 Air Circuit Breaker |
Frequently Asked Questions
What is the ABB 1SDA104389R1 used for?
The ABB 1SDA104389R1 is an Emax 2 E4.2S/E9 air circuit breaker used for switching and protecting high-current AC power distribution systems against overload, short-circuit and ground-fault conditions.
What is the current rating of the ABB 1SDA104389R1?
The circuit breaker is rated at 3200 A for demanding high-current power distribution applications.
What protection unit is fitted to the ABB 1SDA104389R1?
The breaker is fitted with an ABB Ekip Touch LSIG electronic trip unit, providing long-time, short-time, instantaneous and ground-fault protection functions.
How many poles does the ABB 1SDA104389R1 have?
The 1SDA104389R1 has a four-pole (4P) configuration, making it suitable for compatible three-phase, four-wire systems where switching of the neutral conductor is required.
Is the ABB 1SDA104389R1 fixed or withdrawable?
The 1SDA104389R1 is a fixed four-pole circuit breaker with rear flat horizontal terminals for integration into compatible switchboards and power distribution assemblies.
Trusted ABB Emax 2 Circuit Protection
ABB SACE Emax 2 air circuit breakers combine high-current switching capability with advanced electronic protection, providing dependable overload, short-circuit and ground-fault protection for industrial, infrastructure and energy distribution systems.
