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1SDA058045R1 ABB E6H-A 5000 PR121/P-LSI 5000 A 3-Pole Withdrawable Air Circuit Breaker
ABB 1SDA058045R1 E6H-A 5000 PR121/P-LSI is a 5000 A three-pole withdrawable SACE Emax air circuit breaker moving part with a PR121/P-LSI R5000 electronic overcurrent release for demanding high-current low-voltage power distribution systems.
£41,405.90
Why Choose the ABB E6H-A 5000 PR121/P-LSI Air Circuit Breaker?
The ABB E6H-A 5000 PR121/P-LSI, order code 1SDA058045R1, is a high-current SACE Emax air circuit breaker moving part engineered for protection and switching in demanding low-voltage power distribution systems. Part of the ABB SACE Emax E6H series, this three-pole withdrawable breaker combines a 5000 A rated current with the PR121/P electronic overcurrent release.
The breaker is equipped with LSI protection, providing long-time overload, short-time short-circuit and instantaneous short-circuit protection. Its PR121/P-LSI R5000 electronic release supports coordinated protection of high-current distribution circuits, helping safeguard busbars, transformers, generators, cables and connected electrical equipment against damaging overcurrent conditions.
This version features a three-pole withdrawable moving-part configuration for use with the corresponding SACE Emax fixed part. Designed for UL applications, it incorporates a 75,000 A instantaneous protection reference, four auxiliary contacts and circuit-breaker open/closed position indication, making it well suited to large industrial and infrastructure switchboards where maintainability and high-current performance are essential.
Key Advantages
- High-current ABB SACE Emax E6H air circuit breaker moving part for demanding power distribution.
- 5000 A rated current for large industrial and infrastructure electrical systems.
- Three-pole withdrawable configuration for three-phase power distribution.
- PR121/P electronic trip unit for dependable overcurrent protection.
- LSI protection functions provide long-time, short-time and instantaneous protection.
- Withdrawable moving-part construction supports efficient maintenance, servicing and breaker replacement.
Key Features
- ABB SACE Emax E6H-A 5000 series.
- 5000 A rated current.
- Three-pole breaker configuration.
- PR121/P-LSI R5000 electronic overcurrent release.
- 75,000 A instantaneous protection reference.
- Withdrawable moving-part (W / MP) construction.
- Fitted with four auxiliary contacts.
- Integrated circuit-breaker open/closed position indication.
Reliable Protection for High-Current Power Distribution
The ABB SACE Emax E6H platform is designed for high-current electrical distribution where substantial load currents and prospective fault levels require robust switching and protection. With a 5000 A current rating and H-level performance, the E6H-A is particularly suited to large main distribution boards, industrial switchgear, transformer and generator systems and critical power infrastructure.
The PR121/P electronic release provides electronic overcurrent protection within the Emax platform. In this LSI configuration, it combines long-time overload protection, short-time protection for selective system coordination and instantaneous protection for rapid interruption of severe short-circuit faults.
Typical Applications
- Main low-voltage distribution switchboards.
- Large industrial power distribution systems.
- Manufacturing and process plants.
- Commercial and infrastructure electrical installations.
- Transformer secondary protection and distribution.
- Generator and standby power distribution systems.
- High-current switchgear and power control assemblies.
Technical Specifications
| Series | SACE Emax E6H-A |
|---|---|
| ABB order code | 1SDA058045R1 |
| EAN | 8015644603083 |
| Product type | Air circuit breaker moving part |
| Frame size | E6 |
| Short-circuit performance level | H |
| Rated current | 5000 A |
| Current type | AC |
| Number of poles | 3 |
| Trip unit | PR121/P |
| Overcurrent release | PR121/P-LSI R5000 |
| Release type | Electronic |
| Protection functions | LSI (long-time, short-time and instantaneous) |
| Instantaneous protection reference | 75,000 A |
| Execution | Withdrawable / moving part |
| Configuration | W / MP |
| Auxiliary contacts | 4 |
| Position indication | Circuit breaker open / closed |
| Standard version | UL |
| Mechanical durability | 8000 cycles |
| Electrical durability | 3000 cycles |
| Maximum operating frequency | 30 cycles per hour |
| Power loss at rated operating conditions | 700 W per pole |
| Product net width | 810 mm |
| Product net height | 461 mm |
| Product net depth | 396.5 mm |
| Product net weight | 116 kg |
| HS code | 85362090 |
| Application | Low-voltage power distribution and circuit protection |
| ABB product group | 310513-New Emax |
Frequently Asked Questions
What is the ABB 1SDA058045R1?
The ABB 1SDA058045R1 is a SACE Emax E6H-A 5000 three-pole withdrawable air circuit breaker moving part rated at 5000 A and equipped with a PR121/P-LSI R5000 electronic overcurrent release.
What is the rated current of the ABB E6H-A 5000?
The E6H-A 5000 PR121/P-LSI has a rated current of 5000 A.
What protection functions does the PR121/P-LSI trip unit provide?
The LSI configuration provides long-time overload, short-time short-circuit and instantaneous short-circuit protection.
Is the ABB 1SDA058045R1 fixed or withdrawable?
This version is a withdrawable moving-part (W / MP) circuit breaker designed for use with the corresponding SACE Emax fixed part.
Where is the ABB E6H-A 5000 typically used?
It is typically used in high-current low-voltage switchboards, large industrial distribution systems, transformer and generator installations, manufacturing facilities and infrastructure applications requiring dependable electronic overload and short-circuit protection.
Trusted by Power Distribution Professionals Worldwide
ABB SACE Emax air circuit breakers are engineered for dependable switching and electronic protection in demanding low-voltage power distribution systems, including high-current industrial, infrastructure, transformer and generator applications.
