Standard delivery
£8 ex VAT · free over £200UK parcel delivery is £8 ex VAT, or free on orders over £200 ex VAT.
Heavier items may be charged at a weight-based or pallet rate, shown at checkout.
1SDA057146R1 ABB E6V 6300 PR121/P-LSIG 6300A 4-Pole Fixed Air Circuit Breaker
ABB 1SDA057146R1 E6V 6300 PR121/P-LSIG is a 6300 A four-pole fixed SACE Emax air circuit breaker with rear horizontal terminals and an R6300 PR121/P electronic release providing LSIG overcurrent and earth-fault protection.
£74,441.08
Why Choose the ABB E6V 6300 PR121/P-LSIG 6300A 4-Pole Fixed Air Circuit Breaker?
The ABB E6V 6300 PR121/P-LSIG, order code 1SDA057146R1, is a high-capacity SACE Emax air circuit breaker designed for protection and switching in demanding low-voltage electrical distribution systems. Part of the ABB SACE Emax E6V series, this configuration combines a 6300 A rated current, four-pole construction and fixed execution with ABB's PR121/P electronic protection technology.
The breaker is equipped with a PR121/P-LSIG R6300 electronic overcurrent release, providing long-time, short-time, instantaneous and earth-fault protection functions. This comprehensive LSIG protection arrangement helps safeguard very high-current distribution circuits against sustained overloads, short circuits and earth faults while supporting selective protection strategies within complex electrical networks.
With a rated current of 6300 A, a four-pole configuration and fixed construction with rear horizontal terminals, the E6V 6300 PR121/P-LSIG is engineered for major switchboards and high-capacity power distribution installations. Four auxiliary contacts and open/closed position indication support integration with switchgear control and monitoring systems.
Key Advantages
- Very high-capacity 6300 A SACE Emax air circuit breaker for major low-voltage distribution systems.
- Four-pole construction for comprehensive high-current switching and protection.
- PR121/P-LSIG electronic trip unit provides long-time, short-time, instantaneous and earth-fault protection.
- Fixed execution with rear horizontal terminals for permanent switchboard installation.
- E6V high-performance breaker platform suited to demanding power distribution applications.
- Fitted with four auxiliary contacts and circuit-breaker open/closed position indication.
Key Features
- ABB SACE Emax E6V series.
- 6300 A rated current.
- Four-pole configuration.
- Fixed circuit-breaker execution.
- Rear horizontal terminals.
- PR121/P electronic overcurrent release.
- LSIG protection functions: long-time, short-time, instantaneous and earth-fault protection.
- R6300 overcurrent release rating.
- Four auxiliary contacts.
- Open/closed circuit-breaker position indication.
Reliable LSIG Protection for Very High-Current Power Distribution
Air circuit breakers such as the ABB SACE Emax E6V provide switching, isolation and electronic overcurrent protection for major low-voltage distribution circuits. The E6 frame supports very high operating currents, while this fixed four-pole configuration with rear horizontal terminals is designed for permanent integration into compatible high-capacity switchboards.
The PR121/P-LSIG electronic release provides long-time protection against sustained overloads, short-time protection for short-circuit conditions, instantaneous protection against severe faults and earth-fault protection. This combination makes the 1SDA057146R1 suitable for critical distribution systems requiring comprehensive electronic protection at currents up to 6300 A.
Typical Applications
- Main low-voltage electrical distribution switchboards.
- Industrial manufacturing and process plants.
- Very high-current incomer and feeder protection.
- Power generation and infrastructure installations.
- Large commercial and industrial main distribution systems.
- Fixed switchgear requiring comprehensive electronic LSIG protection.
Technical Specifications
| Series | SACE Emax E6V |
|---|---|
| ABB order code | 1SDA057146R1 |
| Product type | Air circuit breaker |
| Frame | E6 |
| Performance class | V |
| Rated current | 6300 A |
| Number of poles | 4 |
| Execution | Fixed |
| Terminal arrangement | Rear horizontal |
| Trip unit | PR121/P-LSIG |
| Release type | Electronic overcurrent release |
| Protection functions | LSIG – long-time, short-time, instantaneous and earth-fault |
| Release rating | R6300 |
| Auxiliary contacts | 4 |
| Circuit-breaker position indication | Open / closed |
| Net weight | 151 kg |
| EAN | 8015644584863 |
| ABB product group | 310513-New Emax |
Frequently Asked Questions
What is the ABB 1SDA057146R1?
The ABB 1SDA057146R1 is an E6V 6300 SACE Emax four-pole fixed air circuit breaker rated at 6300 A, equipped with rear horizontal terminals and a PR121/P-LSIG R6300 electronic overcurrent release.
What is the rated current of the E6V 6300 PR121/P-LSIG?
The circuit breaker has a rated current of 6300 A and is equipped with an R6300-rated PR121/P electronic overcurrent release.
What protection functions does the PR121/P-LSIG provide?
The PR121/P-LSIG provides long-time overload protection, short-time short-circuit protection, instantaneous short-circuit protection and earth-fault protection.
How many poles does ABB 1SDA057146R1 have?
The ABB 1SDA057146R1 is a four-pole E6V air circuit breaker configuration.
Is the ABB E6V 6300 1SDA057146R1 fixed or withdrawable?
This version is a fixed air circuit breaker equipped with rear horizontal terminals for permanent installation within compatible low-voltage switchgear.
What auxiliary signalling is included with ABB 1SDA057146R1?
The breaker is fitted with four auxiliary contacts and provides open/closed circuit-breaker position indication for integration with switchgear control and monitoring systems.
Trusted by Electrical Engineers Worldwide
ABB SACE Emax air circuit breakers are engineered for demanding low-voltage power distribution applications, combining very high current capability, electronic protection and robust switchgear construction for industrial, commercial and infrastructure installations.
