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1SDA057849R1 ABB E4S-A 3600 PR121/P-LI 3600 A 3-Pole Withdrawable Air Circuit Breaker
ABB 1SDA057849R1 is a SACE New Emax E4S-A three-pole withdrawable air circuit breaker moving part rated at 3600 A and equipped with a PR121/P-LI electronic overcurrent release for long-time and instantaneous protection.
£27,333.57
Why Choose the ABB E4S-A 3600 PR121/P-LI 1SDA057849R1 Air Circuit Breaker?
The ABB E4S-A 3600 PR121/P-LI, order code 1SDA057849R1, is a high-current three-pole withdrawable air circuit breaker moving part from the ABB SACE New Emax range, designed for protection and switching in demanding low-voltage power distribution systems. Rated at 3600 A, this E4S-A configuration combines robust New Emax breaker construction with the PR121/P-LI electronic overcurrent release.
The PR121/P-LI trip unit provides long-time overload and instantaneous short-circuit protection. These LI protection functions enable the breaker to respond to sustained overcurrent conditions and severe short circuits, helping protect conductors, busbars, switchgear and connected electrical equipment within high-current distribution networks.
With a rated current of 3600 A, a three-pole configuration and withdrawable (W) construction, the 1SDA057849R1 is designed for use as the moving part of a compatible ABB SACE New Emax withdrawable installation. This arrangement supports convenient breaker isolation and removal for inspection and maintenance in critical industrial and commercial power distribution systems.
Key Advantages
- Heavy-duty ABB SACE New Emax air circuit breaker moving part for high-current low-voltage distribution.
- 3600 A rated current for demanding industrial and commercial installations.
- Three-pole configuration for three-phase electrical distribution systems.
- PR121/P-LI electronic overcurrent release for dependable circuit protection.
- LI protection provides long-time overload and instantaneous short-circuit protection.
- Withdrawable construction supports convenient isolation, inspection and maintenance.
- Robust E4S-A platform suited to main distribution and high-current feeder protection.
Key Features
- ABB SACE New Emax E4S-A circuit breaker platform.
- 3600 A rated current.
- Three-pole configuration.
- PR121/P-LI electronic trip unit.
- Long-time overload protection.
- Instantaneous short-circuit protection.
- Withdrawable (W) breaker construction.
- Moving-part configuration for compatible withdrawable switchgear.
- Electronic overcurrent protection for high-current distribution systems.
- Designed for low-voltage industrial and commercial switchgear applications.
Reliable Circuit Protection for Power Distribution
Air circuit breakers such as the ABB SACE New Emax E4S-A are designed to protect high-current low-voltage electrical distribution systems against potentially damaging overcurrent conditions. The electronic trip unit monitors circuit current and initiates breaker operation when configured protection thresholds are exceeded, helping safeguard cables, busbars, switchgear and connected electrical equipment.
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 3600 A E4S-A platform and withdrawable construction, the 1SDA057849R1 is well suited to installations requiring dependable high-current protection together with convenient breaker isolation and maintenance.
Typical Applications
- Industrial low-voltage power distribution systems.
- Main incoming and distribution switchboards.
- Industrial plants and manufacturing facilities.
- Commercial building electrical distribution.
- High-current feeder and circuit protection.
- Power distribution centres and withdrawable switchgear assemblies.
Technical Specifications
| Series | SACE New Emax |
|---|---|
| ABB product group | 310513-New Emax |
| Order code / MPN | 1SDA057849R1 |
| Product type | Air circuit breaker moving part |
| Frame | E4S-A |
| Rated current | 3600 A |
| Number of poles | 3 |
| Trip unit | PR121/P-LI |
| Protection functions | Long-time (L) and instantaneous (I) |
| Installation | Withdrawable |
| Configuration | Moving part |
| Current type | AC |
Frequently Asked Questions
What is the ABB 1SDA057849R1 used for?
The ABB 1SDA057849R1 is a SACE New Emax E4S-A air circuit breaker moving part designed to protect and switch high-current low-voltage electrical distribution circuits in industrial and commercial installations.
What is the rated current of the ABB E4S-A 1SDA057849R1?
The circuit breaker has a rated current of 3600 A.
Which trip unit is fitted to the ABB 1SDA057849R1?
The breaker is fitted with an ABB PR121/P-LI electronic overcurrent release.
What protection functions does the PR121/P-LI provide?
The PR121/P-LI provides long-time overload and instantaneous short-circuit protection, identified by the L and I protection functions.
Is the ABB 1SDA057849R1 fixed or withdrawable?
The 1SDA057849R1 is a withdrawable (W) air circuit breaker moving part designed for use with compatible ABB SACE New Emax withdrawable switchgear.
Trusted ABB Power Distribution Technology
ABB SACE New Emax air circuit breakers are designed for dependable protection and switching in demanding low-voltage power distribution systems, combining robust breaker construction with electronic protection for industrial and commercial switchgear.
