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1SDA056809R1 ABB SACE Emax E4S 4000 A 4-Pole Withdrawable Air Circuit Breaker Moving Part
ABB 1SDA056809R1 is a SACE Emax E4S 4000 A four-pole withdrawable air circuit breaker moving part with a PR121/P-LSI R4000 electronic overcurrent release for high-current low-voltage power distribution protection.
£38,438.56
Why Choose the ABB 1SDA056809R1 SACE Emax E4S 4000 A Circuit Breaker?
The ABB 1SDA056809R1 is a high-performance SACE Emax E4S air circuit breaker moving part designed for reliable switching and protection in high-current low-voltage electrical distribution systems. Its product designation is E4S 4000 PR121/P-LSI In=4000A 4p W, with the complete moving-part configuration identified as E4S 4000 PR121/P-LSI In=4000A 4p W MP, combining a 4000 A rated current, four-pole withdrawable construction and ABB's PR121/P-LSI electronic overcurrent release.
As part of the ABB SACE Emax range, this E4S circuit breaker is engineered for demanding industrial, commercial and infrastructure power distribution applications. The PR121/P-LSI R4000 electronic trip unit provides long-time overload, short-time short-circuit and instantaneous short-circuit protection, helping safeguard busbars, cables, switchgear and connected equipment against damaging overcurrent and fault conditions.
The 1SDA056809R1 is the moving part of a four-pole withdrawable circuit breaker with a rated uninterrupted current of 4000 A and rated operational voltage of 690 V AC. Its E4S performance level provides rated ultimate and service short-circuit breaking capacities of 75 kA, while the withdrawable construction supports efficient inspection, servicing and replacement within compatible SACE Emax switchgear.
Key Advantages
- Heavy-duty ABB SACE Emax E4S air circuit breaker moving part for high-current low-voltage distribution.
- 4000 A rated current for demanding electrical installations.
- Four-pole withdrawable configuration suitable for systems requiring four-pole switching.
- Electronic PR121/P-LSI R4000 overcurrent release.
- LSI functionality provides long-time, short-time and instantaneous overcurrent protection.
- 75 kA ultimate and service short-circuit breaking capacity.
- 75 kA short-time withstand current for 1 s and 3 s.
- Withdrawable construction supports convenient inspection, servicing and replacement.
Key Features
- ABB SACE Emax E4S series.
- 4000 A rated uninterrupted current.
- Four-pole circuit-breaker construction.
- Moving / withdrawable execution.
- PR121/P-LSI R4000 electronic overcurrent release.
- Long-time overload protection.
- Short-time short-circuit protection.
- Instantaneous short-circuit protection.
- 690 V AC rated operational voltage.
- 1000 V rated insulation voltage.
- 12 kV rated impulse withstand voltage.
- Four auxiliary contacts for open/closed circuit-breaker status.
- Designed for use with the appropriate SACE Emax withdrawable fixed part.
- Optional motor operating mechanism capability.
Advanced LSI Protection for High-Current Power Distribution
Air circuit breakers such as the ABB SACE Emax E4S protect major low-voltage distribution circuits while providing dependable switching and isolation. The electronic protection release monitors current conditions and initiates tripping when configured protection thresholds are exceeded, helping safeguard cables, busbars, switchgear and downstream electrical equipment against overload and short-circuit conditions.
The PR121/P-LSI R4000 release fitted to the 1SDA056809R1 provides long-time overload, short-time short-circuit and instantaneous short-circuit protection. Combined with its 4000 A current rating, four-pole construction, 75 kA short-circuit breaking capacity and withdrawable execution, this E4S moving part is well suited to major distribution boards where dependable high-current protection and convenient circuit-breaker maintenance are required.
Typical Applications
- Main low-voltage electrical distribution boards.
- Industrial high-current power distribution systems.
- High-capacity incoming supplies and feeders.
- Commercial and infrastructure switchboards.
- Factory and manufacturing electrical installations.
- Transformer secondary distribution systems.
- Generator and standby power distribution systems.
- Four-pole electrical distribution installations.
- Installations requiring LSI electronic overcurrent protection.
- Withdrawable switchgear requiring convenient inspection and maintenance.
Technical Specifications
| Series | SACE Emax |
|---|---|
| Frame / type | E4S |
| ABB order code | 1SDA056809R1 |
| Product designation | E4S 4000 PR121/P-LSI In=4000A 4p W |
| Complete moving-part designation | E4S 4000 PR121/P-LSI In=4000A 4p W MP |
| Product type | Air circuit breaker moving part |
| Rated current (In) | 4000 A |
| Rated uninterrupted current (Iu) | 4000 A |
| Rated operational current (Ie) | 4000 A |
| Rated operational voltage | 690 V AC |
| Rated insulation voltage (Ui) | 1000 V |
| Rated impulse withstand voltage (Uimp) | 12 kV |
| Number of poles | 4 |
| Execution | Moving / withdrawable |
| Trip unit | PR121/P-LSI R4000 |
| Trip unit type | Electronic |
| Protection functions | LSI – long-time, short-time and instantaneous overcurrent protection |
| Overload release setting range | 1600–4000 A |
| Short-time short-circuit setting range | 4000–40000 A |
| Instantaneous short-circuit setting range | 6000–60000 A |
| Integrated earth-fault protection | No |
| Ultimate short-circuit breaking capacity (Icu) | 75 kA at 220–690 V AC |
| Service short-circuit breaking capacity (Ics) | 75 kA at 220–690 V AC |
| Short-time withstand current (Icw) | 75 kA for 1 s; 75 kA for 3 s |
| Short-circuit performance level | S |
| Electrical durability | 5000 cycles at ≤440 V AC; 4000 cycles at 500–690 V AC |
| Mechanical durability | 15000 cycles |
| Power loss | 660 W |
| Auxiliary contacts | 4 |
| Position indication | Circuit breaker open / closed |
| Product net width | 684 mm |
| Product net height | 461 mm |
| Product net depth | 396.5 mm |
| Product net weight | 96 kg |
| EAN | 8015644581497 |
| Customs tariff number | 85362090 |
| ABB product group | 310513-New Emax |
Frequently Asked Questions
What is the ABB 1SDA056809R1 used for?
The ABB 1SDA056809R1 is a 4000 A SACE Emax E4S air circuit breaker moving part used for switching and protecting high-current low-voltage electrical distribution circuits when installed with the appropriate withdrawable fixed part.
What is the rated current of the ABB 1SDA056809R1?
The circuit breaker moving part has a rated uninterrupted current of 4000 A.
Which trip unit is fitted to the ABB 1SDA056809R1?
The 1SDA056809R1 is fitted with an ABB PR121/P-LSI R4000 electronic overcurrent release, providing long-time overload, short-time short-circuit and instantaneous short-circuit protection.
What is the breaking capacity of the ABB 1SDA056809R1?
The E4S circuit breaker has rated ultimate and service short-circuit breaking capacities of 75 kA across its specified 220–690 V AC operational-voltage range, with a short-time withstand current of 75 kA for both 1 s and 3 s.
Is the ABB 1SDA056809R1 fixed or withdrawable?
The 1SDA056809R1 is the moving part of a four-pole withdrawable SACE Emax E4S circuit breaker and is designed for use with the appropriate compatible fixed part.
Trusted Power Protection from ABB
ABB SACE Emax air circuit breakers are engineered for dependable protection, switching and isolation in demanding low-voltage power distribution systems, combining high-current performance with configurable electronic overcurrent protection and serviceable withdrawable construction.
