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1SDA071788R1 ABB E4.2S 3200 Ekip Hi-Touch LSI 4p F HR Air Circuit Breaker 3200 A
ABB 1SDA071788R1 E4.2S 3200 Ekip Hi-Touch LSI 4p F HR is a 3200 A four-pole fixed SACE Emax 2 air circuit breaker with Ekip Hi-Touch LSI electronic protection, up to 85 kA short-circuit breaking capacity and rear flat horizontal terminals.
£17,569.91
Why Choose the ABB E4.2S 3200 Ekip Hi-Touch LSI 4p F HR Air Circuit Breaker?
The ABB E4.2S 3200 Ekip Hi-Touch LSI 4p F HR, order code 1SDA071788R1, is a high-current four-pole air circuit breaker (ACB) from the ABB SACE Emax 2 range. Designed for demanding low-voltage power distribution systems, it combines a 3200 A rated uninterrupted current with the advanced Ekip Hi-Touch LSI solid-state electronic release for long-time overload, selective short-time and instantaneous short-circuit protection.
The Ekip Hi-Touch LSI release provides advanced electronic protection, measurement and system-management capabilities for sophisticated electrical installations. Its LSI protection functions enable coordinated overload and short-circuit protection, while the Hi-Touch platform provides an enhanced interface and expanded functionality for monitoring and managing critical power-distribution circuits.
The E4.2S performance level provides a rated ultimate short-circuit breaking capacity of 85 kA at 400–440 V AC and 66 kA at 500–690 V AC, together with a rated short-time withstand current of 66 kA for 1 s. Fixed four-pole construction, rear flat horizontal terminals and four auxiliary contacts make the 1SDA071788R1 well suited to high-current industrial and commercial switchboards.
Key Advantages
- High-current ABB SACE Emax 2 air circuit breaker for demanding low-voltage distribution systems.
- 3200 A rated uninterrupted current for substantial industrial and commercial electrical loads.
- Four-pole configuration for switching and protection of three phases and neutral.
- Advanced Ekip Hi-Touch LSI electronic trip unit for sophisticated protection and power-management applications.
- Provides long-time, selective short-time and instantaneous short-circuit protection.
- 85 kA Icu at 400–440 V AC for installations with high prospective short-circuit currents.
- 66 kA Icu at 500–690 V AC maintains substantial breaking performance at higher system voltages.
- 66 kA Icw for 1 s supports selective protection coordination.
- Fixed construction with rear flat horizontal terminals for permanent switchboard integration.
Key Features
- ABB SACE Emax 2 E4.2S series.
- 3200 A rated uninterrupted current.
- 690 V AC rated operational voltage.
- 1000 V AC rated insulation voltage.
- 12 kV rated impulse withstand voltage.
- Four-pole fixed air circuit breaker.
- Ekip Hi-Touch LSI solid-state electronic release.
- Long-time overload protection.
- Selective short-time short-circuit protection.
- Instantaneous short-circuit protection.
- 85 kA Icu at 400–440 V AC.
- 66 kA Icu at 500–690 V AC.
- 66 kA Icw for 1 s and 3 s.
- S short-circuit performance level.
- Rear flat horizontal main terminals.
- Bolted main-circuit connections.
- Four auxiliary contacts.
- Circuit-breaker open/closed position indication.
Advanced High-Current Protection for Power Distribution
ABB SACE Emax 2 air circuit breakers provide switching, isolation and electronic protection for high-current low-voltage distribution circuits. With its 3200 A current rating, breaking capacity of up to 85 kA and 66 kA short-time withstand capability, the E4.2S 3200 is designed for substantial incoming supplies and distribution feeders where dependable fault interruption and system selectivity are essential.
The Ekip Hi-Touch LSI release combines long-time overload, selective short-time and instantaneous short-circuit protection with ABB's advanced Hi-Touch electronic platform. This makes the breaker particularly suitable for sophisticated electrical networks where protection coordination, power monitoring and integration with wider energy-management strategies are important design requirements.
Typical Applications
- High-current low-voltage main distribution switchboards.
- Industrial incoming supply circuits.
- Manufacturing and process plants.
- Large commercial building power distribution.
- Data centre and critical-power distribution systems.
- Transformer secondary protection.
- High-current outgoing distribution feeders.
- Infrastructure and utility installations.
- Power systems requiring advanced monitoring and selective short-circuit coordination.
Technical Specifications
| Series | SACE Emax 2 |
|---|---|
| ABB product group | Emax2 Air Circuit Breaker |
| Frame / type | E4.2S |
| Order code | 1SDA071788R1 |
| EAN / GTIN | 8015644756383 |
| Product type | Air circuit breaker |
| Rated uninterrupted current (Iu) | 3200 A |
| Rated operational voltage (Ue) | 690 V AC |
| Rated insulation voltage (Ui) | 1000 V AC |
| Rated impulse withstand voltage (Uimp) | 12 kV |
| Number of poles | 4 |
| Release | Ekip Hi-Touch LSI |
| Release type | Solid-state electronic |
| Protection functions | Long-time, short-time and instantaneous (LSI) |
| Integrated earth-fault protection | No |
| Rated ultimate short-circuit breaking capacity (Icu) at 400 V AC | 85 kA |
| Rated ultimate short-circuit breaking capacity (Icu) at 415 V AC | 85 kA |
| Rated ultimate short-circuit breaking capacity (Icu) at 440 V AC | 85 kA |
| Rated ultimate short-circuit breaking capacity (Icu) at 500–525 V AC | 66 kA |
| Rated ultimate short-circuit breaking capacity (Icu) at 690 V AC | 66 kA |
| Rated service short-circuit breaking capacity (Ics) | 85 kA at 380–440 V AC / 66 kA at 500–690 V AC |
| Rated short-time withstand current (Icw) | 66 kA for 1 s / 66 kA for 3 s |
| Short-circuit performance level | S |
| Version | Fixed (F) |
| Terminal connection | Rear flat horizontal (HR) |
| Terminal type | Bolt |
| Main-circuit screw size | M12 |
| Main-circuit tightening torque | 70 N·m |
| Auxiliary contacts | 4 |
| Position indication | Circuit breaker open / closed |
| Dimensions (W × H × D) | 515 × 371 × 270 mm |
| Net weight | 70 kg |
| Country of origin | Italy |
| Reference standard | IEC 60947-2 |
Frequently Asked Questions
What is the ABB 1SDA071788R1 used for?
The ABB 1SDA071788R1 is a 3200 A four-pole air circuit breaker designed for switching and protecting high-current low-voltage distribution circuits where advanced Ekip Hi-Touch LSI protection and selective short-circuit coordination are required.
What is the current rating of the E4.2S 3200 Ekip Hi-Touch LSI?
The breaker has a rated uninterrupted current of 3200 A and a rated operational voltage of up to 690 V AC.
What protection does the Ekip Hi-Touch LSI release provide?
The Ekip Hi-Touch LSI solid-state electronic release provides long-time overload, selective short-time short-circuit and instantaneous short-circuit protection, together with the advanced monitoring and management capabilities of ABB's Hi-Touch platform.
What is the breaking capacity of the ABB E4.2S 3200?
The E4.2S 3200 provides a rated ultimate short-circuit breaking capacity of 85 kA at 400–440 V AC and 66 kA at 500–690 V AC, with a rated short-time withstand current of 66 kA for 1 s and 3 s.
Is the ABB 1SDA071788R1 fixed or withdrawable?
The 1SDA071788R1 is a fixed four-pole air circuit breaker with rear flat horizontal terminals and bolted main-circuit connections for permanent installation within a low-voltage switchboard.
Trusted Advanced Power Protection from ABB
ABB SACE Emax 2 air circuit breakers combine high-current switching, advanced electronic protection and strong short-circuit performance to provide dependable protection, monitoring and selective coordination for demanding low-voltage electrical distribution systems.
