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1SDA057721R1 ABB E3V-A 1600 PR121/P-LI 1600 A 3-Pole Withdrawable Air Circuit Breaker
ABB 1SDA057721R1 SACE Emax E3V-A 1600 A three-pole withdrawable air circuit breaker moving part with PR121/P-LI R1600 electronic overcurrent protection for demanding low-voltage power distribution applications.
£9,797.42
Why Choose the ABB 1SDA057721R1 E3V-A 1600 Air Circuit Breaker?
The ABB 1SDA057721R1 is a high-performance SACE Emax E3V-A 1600 air circuit breaker moving part designed for dependable switching and protection in demanding low-voltage power distribution systems. This three-pole withdrawable circuit breaker has a rated current of 1600 A and combines the E3V-A platform with ABB's proven PR121/P electronic overcurrent protection technology.
Equipped with an ABB PR121/P-LI R1600 electronic overcurrent release, the 1SDA057721R1 provides long-time and instantaneous protection functions. This LI protection combination helps safeguard cables, busbars, switchgear and connected equipment against sustained overloads and high-level short-circuit conditions.
The breaker is supplied as a three-pole withdrawable moving part for installation within compatible ABB SACE Emax withdrawable switchgear. Its withdrawable construction supports inspection, maintenance and replacement while retaining the robust circuit-protection performance required for high-current industrial and commercial distribution applications.
Key Advantages
- High-performance ABB SACE Emax E3V-A air circuit breaker.
- 1600 A rated current for high-current electrical distribution.
- Three-pole configuration for three-phase power systems.
- PR121/P-LI R1600 electronic overcurrent release.
- LI protection provides long-time overload and instantaneous short-circuit protection.
- Withdrawable moving-part construction supports convenient inspection, servicing and replacement.
- E3V-A performance class for demanding circuit-protection applications.
- Electronic trip technology provides dependable overcurrent protection.
- Designed for integration into compatible ABB SACE Emax withdrawable switchgear assemblies.
Key Features
- ABB SACE Emax E3V-A 1600 series.
- 1600 A rated current.
- PR121/P-LI R1600 electronic overcurrent release.
- LI protection functions: long-time and instantaneous.
- Three-pole circuit-breaker configuration.
- Withdrawable moving part for compatible SACE Emax switchgear.
- Electronic trip-unit technology for overcurrent protection.
- Suitable for high-current three-phase electrical distribution.
- Part of ABB product group 310513-New Emax.
- ABB order code 1SDA057721R1.
High-Performance Circuit Protection for Power Distribution
Air circuit breakers such as the ABB SACE Emax provide switching, isolation and overcurrent protection for high-current low-voltage electrical distribution systems. They help protect cables, busbars, switchgear and connected equipment against potentially damaging overload and short-circuit conditions while providing dependable control of important distribution circuits.
The PR121/P-LI electronic release provides long-time protection against sustained overload conditions together with instantaneous protection against severe short circuits. Combined with the E3V-A platform, 1600 A current rating and withdrawable construction, the 1SDA057721R1 provides a robust and maintainable protection solution for demanding industrial and commercial power distribution applications.
Typical Applications
- Industrial low-voltage power distribution systems.
- Main incomer protection in electrical switchboards.
- High-current feeder protection.
- Manufacturing and process plant electrical distribution.
- Commercial and industrial switchgear assemblies.
- High-current three-phase distribution circuits.
- Withdrawable switchgear requiring convenient inspection and maintenance access.
Technical Specifications
| Series | SACE Emax |
|---|---|
| Order code / Product ID | 1SDA057721R1 |
| Product group | 310513-New Emax |
| Product type | Air circuit breaker moving part |
| Rated current | 1600 A |
| Number of poles | 3 |
| Overcurrent release | PR121/P-LI R1600 |
| Release type | Electronic |
| Protection functions | LI (long-time and instantaneous) |
| Installation type | Withdrawable moving part |
| Performance class | E3V-A |
Frequently Asked Questions
What is the ABB 1SDA057721R1 used for?
The ABB 1SDA057721R1 is a 1600 A three-pole SACE Emax air circuit breaker moving part designed for switching and overcurrent protection in demanding low-voltage power distribution systems.
What is the rated current of the ABB 1SDA057721R1?
The ABB 1SDA057721R1 has a rated current of 1600 A, making it suitable for high-current three-phase electrical distribution applications.
Which trip unit is fitted to the ABB 1SDA057721R1?
The circuit breaker is fitted with an ABB PR121/P-LI R1600 electronic overcurrent release, providing long-time and instantaneous protection functions.
What does LI protection mean on the ABB 1SDA057721R1?
LI denotes long-time and instantaneous protection. Long-time protection responds to sustained overload conditions, while instantaneous protection provides rapid response to high-level short-circuit faults.
Is the ABB 1SDA057721R1 fixed or withdrawable?
The ABB 1SDA057721R1 is a withdrawable air circuit breaker moving part intended for installation within a compatible ABB SACE Emax withdrawable switchgear assembly.
Trusted Industrial Power Protection from ABB
ABB SACE Emax air circuit breakers provide dependable switching and electronic protection for demanding low-voltage power distribution systems, supporting industrial and commercial switchboard applications where reliable high-current circuit protection is essential.
