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1SDA057025R1 ABB E6H6300 PR121/P-LSI 6300 A 3-Pole Withdrawable Air Circuit Breaker
ABB 1SDA057025R1 is a SACE Emax E6H6300 three-pole withdrawable air circuit breaker moving part rated at 6300 A and equipped with a PR121/P-LSI electronic overcurrent release for high-capacity low-voltage power distribution protection.
£62,323.90
Why Choose the ABB 1SDA057025R1 E6H6300 Air Circuit Breaker?
The ABB 1SDA057025R1 is a high-capacity SACE Emax E6H air circuit breaker moving part designed for protection and switching in demanding low-voltage power distribution systems. Identified by ABB as E6H6300 PR121/P-LSI In=6300A 3p W, this three-pole withdrawable breaker assembly combines a 6300 A rated current with the electronic PR121/P-LSI overcurrent release.
As part of the ABB SACE Emax E6H series, the breaker is engineered for installations requiring high current capacity, dependable circuit protection and convenient maintainability. Its withdrawable construction allows the moving portion to be disconnected from the fixed part of the switchgear, supporting inspection, servicing and replacement while minimising disruption to the electrical installation.
The integrated PR121/P-LSI electronic trip unit provides long-time, short-time and instantaneous overcurrent protection. With its 6300 A rating, three-pole configuration and high-breaking-capacity E6H platform, the 1SDA057025R1 is suited to main distribution boards, industrial switchboards, infrastructure installations and other high-power low-voltage distribution applications.
Key Advantages
- High-capacity ABB SACE Emax E6H air circuit breaker for demanding power distribution systems.
- 6300 A rated current for high-power low-voltage installations.
- PR121/P-LSI electronic overcurrent release for comprehensive circuit protection.
- LSI protection provides long-time, short-time and instantaneous protection functions.
- Three-pole configuration for three-phase electrical distribution systems.
- Withdrawable design supports convenient switchboard maintenance, inspection and replacement.
- E6H high-breaking-capacity platform designed for installations with demanding prospective fault currents.
Key Features
- ABB SACE Emax E6H6300 air circuit breaker platform.
- 6300 A rated current.
- Three-pole configuration.
- Withdrawable moving part construction.
- PR121/P-LSI electronic trip unit.
- Long-time overload protection.
- Short-time selective short-circuit protection.
- Instantaneous short-circuit protection.
- E6H 100 kA performance class for high fault-level applications.
- Designed for low-voltage industrial and commercial power distribution switchgear.
High-Capacity Circuit Protection for Power Distribution
Air circuit breakers such as the ABB SACE Emax E6H are used to protect high-current electrical distribution systems against overloads and short circuits. The breaker can interrupt fault currents when protection thresholds are reached, helping safeguard switchgear, cables, transformers and connected electrical equipment.
The PR121/P-LSI electronic release provides adjustable protection functions for coordinating the breaker with the wider electrical distribution network. Long-time protection responds to sustained overload conditions, short-time protection supports selective coordination during short circuits, and instantaneous protection provides rapid operation when severe fault currents occur.
Typical Applications
- Main low-voltage distribution switchboards.
- Industrial power distribution systems.
- Manufacturing and process plants.
- Commercial and infrastructure electrical installations.
- Transformer secondary distribution.
- High-current switchgear assemblies.
- Power distribution systems requiring selective overcurrent protection.
- Critical electrical installations requiring maintainable withdrawable circuit breakers.
Technical Specifications
| Product group | 310513-New Emax |
|---|---|
| Series | SACE Emax E6H |
| ABB order code | 1SDA057025R1 |
| Product type | Air circuit breaker moving part |
| Frame | E6 |
| Performance class | E6H |
| Rated current | 6300 A |
| Number of poles | 3 |
| Execution | Withdrawable |
| Trip unit | PR121/P-LSI electronic overcurrent release |
| Protection functions | Long-time, short-time and instantaneous |
| Breaking-capacity class | 100 kA |
| Application | Low-voltage power distribution and circuit protection |
Frequently Asked Questions
What is the ABB 1SDA057025R1 used for?
The ABB 1SDA057025R1 is a 6300 A three-pole SACE Emax E6H air circuit breaker moving part used for switching and protecting high-current low-voltage electrical distribution systems.
What is the rated current of the ABB 1SDA057025R1?
The breaker has a rated current of 6300 A, making it suitable for high-power distribution and industrial switchgear applications.
Which trip unit is fitted to this circuit breaker?
The 1SDA057025R1 is fitted with an ABB PR121/P-LSI electronic overcurrent release, providing long-time, short-time and instantaneous protection functions.
Is the ABB 1SDA057025R1 fixed or withdrawable?
This model is a withdrawable three-pole moving part for the SACE Emax E6H platform, allowing convenient isolation, servicing and replacement within compatible switchgear.
What does LSI mean on the PR121/P trip unit?
LSI identifies the trip unit's long-time, short-time and instantaneous overcurrent protection functions, providing protection against overload and different levels of short-circuit fault current.
Trusted High-Current Protection from ABB
ABB SACE Emax air circuit breakers are designed for reliable protection and switching in low-voltage power distribution systems, combining high current capability, electronic protection and maintainable withdrawable construction for demanding industrial and infrastructure applications.
