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.
1SDA057985R1 ABB E4V-A 3600 PR121/P-LSIG 3600 A 3-Pole Withdrawable Air Circuit Breaker
ABB 1SDA057985R1 E4V-A 3600 PR121/P-LSIG is a 3600 A three-pole withdrawable SACE Emax air circuit breaker moving part with electronic LSIG protection for high-current low-voltage distribution systems.
£34,734.94
Why Choose the ABB E4V-A 3600 PR121/P-LSIG Air Circuit Breaker?
The ABB E4V-A 3600 PR121/P-LSIG, order code 1SDA057985R1, is a high-performance three-pole air circuit breaker (ACB) from the ABB SACE Emax range, designed for switching and protection in high-current low-voltage electrical distribution systems. Rated at 3600 A, this E4V-A configuration combines heavy-duty circuit interruption with the PR121/P-LSIG electronic overcurrent release.
The PR121/P-LSIG trip unit provides electronic long-time (L), short-time (S), instantaneous (I) and ground-fault (G) protection. This comprehensive protection package helps safeguard conductors, switchgear and connected equipment against overload, short-circuit and earth-fault conditions in demanding electrical distribution networks.
This configuration is a three-pole withdrawable circuit breaker moving part rated at 3600 A. Its withdrawable construction is intended for compatible ABB SACE Emax switchgear, providing a service-friendly solution for high-capacity installations where inspection, maintenance and breaker replacement are important operational requirements.
Key Advantages
- Heavy-duty ABB SACE Emax air circuit breaker for high-current distribution systems.
- 3600 A rated current for large electrical loads and main incoming supplies.
- Three-pole configuration for three-phase power distribution.
- Advanced PR121/P-LSIG electronic overcurrent protection.
- Integrated ground-fault protection in addition to overload and short-circuit protection.
- Withdrawable moving-part construction supports serviceable switchgear installations.
- E4V-A performance class for demanding low-voltage distribution applications.
Key Features
- ABB SACE Emax E4V-A 3600 configuration.
- 3600 A rated current (In).
- Three-pole construction.
- PR121/P-LSIG electronic overcurrent release.
- Long-time overload (L) protection.
- Short-time short-circuit (S) protection.
- Instantaneous short-circuit (I) protection.
- Ground-fault (G) protection.
- Withdrawable circuit breaker moving part.
- Designed for use with compatible ABB SACE Emax fixed parts.
- Suitable for selective and coordinated low-voltage circuit protection.
Reliable Protection for High-Current Distribution Systems
Air circuit breakers such as the ABB E4V-A protect main incoming supplies, busbars and high-current distribution feeders against potentially damaging electrical faults. Electronic trip technology monitors circuit current and initiates breaker operation when configured overload, short-circuit or ground-fault protection thresholds are exceeded.
The PR121/P-LSIG release extends protection to ground faults as well as overload and short-circuit conditions. Combined with the E4V-A frame and withdrawable construction, this configuration provides a practical solution for critical low-voltage switchgear where protection performance and maintainability are important.
Typical Applications
- Main incoming protection in low-voltage switchboards.
- Industrial power distribution systems.
- High-current feeder and busbar protection.
- Manufacturing and process plant electrical systems.
- Commercial and infrastructure power distribution.
- Withdrawable low-voltage switchgear assemblies.
Technical Specifications
| Series | SACE Emax |
|---|---|
| ABB order code | 1SDA057985R1 |
| Product type | Air circuit breaker moving part |
| Frame | E4 |
| Performance class | E4V-A |
| Rated current (In) | 3600 A |
| Number of poles | 3 |
| Trip unit | PR121/P-LSIG |
| Protection functions | L, S, I, G |
| Long-time protection | Overload protection |
| Short-time protection | Selective short-circuit protection |
| Instantaneous protection | Instantaneous short-circuit protection |
| Ground-fault protection | Electronic ground-fault protection |
| Version | Withdrawable moving part |
| Installation | Compatible SACE Emax withdrawable fixed part |
| ABB product group | 310513-New Emax |
Frequently Asked Questions
What is the ABB 1SDA057985R1?
The ABB 1SDA057985R1 is an E4V-A 3600 three-pole withdrawable SACE Emax air circuit breaker moving part equipped with a PR121/P-LSIG electronic overcurrent release.
What is the rated current of the ABB E4V-A 3600?
The breaker has a rated current of 3600 A, making it suitable for high-current low-voltage power distribution applications.
What protection does the PR121/P-LSIG trip unit provide?
The PR121/P-LSIG trip unit provides long-time overload (L), short-time short-circuit (S), instantaneous short-circuit (I) and ground-fault (G) protection.
Is the ABB 1SDA057985R1 fixed or withdrawable?
This product is a withdrawable circuit breaker moving part designed for use with the appropriate compatible ABB SACE Emax fixed part.
Where is the E4V-A 3600 typically used?
It is typically used in high-current low-voltage switchboards for incoming supply, feeder, busbar and industrial power-distribution protection.
Trusted High-Current Protection from ABB
ABB SACE Emax air circuit breakers are engineered for dependable switching and protection in demanding low-voltage distribution systems, combining high-current performance, comprehensive electronic protection and service-friendly switchgear integration.
