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.
1SDA064720R1 ABB E3N 2500 PR123/DC 2500 A 4-Pole Withdrawable Circuit Breaker
ABB 1SDA064720R1 is a four-pole 2500 A SACE Emax E3N withdrawable DC air circuit breaker moving part for systems up to 1000 V DC, equipped with a PR123/DC R2500 electronic overcurrent release.
£19,491.62
Why Choose the ABB 1SDA064720R1 E3N 2500 New Emax DC Circuit Breaker?
The ABB 1SDA064720R1, designated E3N2500PR123/DCIn=2500A4pWMP, is a high-performance SACE Emax DC air circuit breaker moving part designed for protection and switching in demanding high-current direct-current electrical distribution systems. As part of the ABB New Emax DC range, this E3N configuration combines a 2500 A current rating with the advanced PR123/DC electronic overcurrent release.
Designed for industrial DC power-distribution applications, the E3N 2500 provides dependable circuit protection through its PR123/DC R2500 overcurrent release. The breaker is supplied as the moving part of a withdrawable installation, allowing convenient isolation, inspection and servicing when used with the appropriate ABB SACE Emax fixed part.
This configuration is a four-pole breaker rated at 2500 A and designed for DC systems up to 1000 V DC. It is fitted with four auxiliary contacts and open/closed circuit-breaker position indication, making it well suited to industrial DC switchboards requiring reliable protection, high-current capability and integration with signalling or supervisory systems.
Key Advantages
- High-performance ABB SACE Emax circuit breaker moving part for DC applications.
- 2500 A rated current for demanding high-current electrical distribution.
- Designed for operation in systems up to 1000 V DC.
- Four-pole configuration for compatible high-voltage DC networks.
- Advanced PR123/DC R2500 electronic overcurrent release.
- Withdrawable construction supports convenient isolation, inspection and maintenance.
- Four auxiliary contacts support signalling and control integration.
- Open/closed position indication provides clear circuit-breaker status monitoring.
Key Features
- ABB New Emax DC / SACE Emax E3N platform.
- 2500 A rated current.
- 1000 V DC system capability.
- Four-pole breaker configuration.
- PR123/DC electronic protection release.
- R2500 release rating matched to the breaker current.
- Withdrawable moving-part (WMP) execution.
- 12 kV rated impulse withstand voltage.
- Four auxiliary contacts fitted.
- Open/closed circuit-breaker position indication.
Reliable Protection for High-Current DC Distribution
Air circuit breakers used in DC systems provide essential protection against damaging overcurrent and short-circuit conditions while enabling high-current electrical circuits to be switched and isolated. The ABB SACE Emax DC platform is engineered for demanding industrial distribution systems where dependable interruption, electronic protection and operational reliability are required.
The PR123/DC electronic release provides dedicated protection functionality for DC applications, while the withdrawable E3N moving-part format allows the breaker to be disconnected from its fixed installation for inspection or maintenance. Its four-pole arrangement is particularly suited to higher-voltage DC networks, while auxiliary contacts and position indication support integration with automation, signalling and supervisory systems.
Typical Applications
- Industrial DC power distribution systems.
- High-current DC switchboards and switchgear assemblies.
- Power conversion and rectifier installations.
- Industrial process and manufacturing power systems.
- High-voltage DC distribution requiring withdrawable circuit protection.
- Automation and supervisory systems requiring circuit-breaker status signalling.
Technical Specifications
| Product group | New Emax DC |
|---|---|
| Series | SACE Emax E3 |
| ABB order code | 1SDA064720R1 |
| Product type | DC air circuit breaker moving part |
| Breaker frame | E3 |
| Performance level | N |
| Rated current | 2500 A |
| Rated voltage | 1000 V DC |
| Rated insulation voltage (Ui) | 1000 V |
| Rated impulse withstand voltage (Uimp) | 12 kV |
| Number of poles | 4 |
| Protection release | PR123/DC R2500 |
| Release type | Electronic overcurrent |
| Execution | Withdrawable moving part (WMP) |
| Auxiliary contacts | 4 |
| Position indication | Open / closed |
| Electrical durability at 1000 V DC | 7000 cycles |
| Mechanical durability | 20,000 cycles |
| Dimensions (W × H × D) | 558 × 461 × 396.5 mm |
| Net weight | 81 kg |
| EAN | 8015644676131 |
Frequently Asked Questions
What is the ABB 1SDA064720R1 used for?
It is an ABB SACE Emax DC air circuit breaker moving part designed for switching and overcurrent protection in demanding high-current DC electrical distribution systems.
What is the rated current of the ABB E3N2500PR123/DC?
This E3N configuration has a rated current of 2500 A.
What voltage is the ABB 1SDA064720R1 designed for?
The four-pole E3N configuration is designed for DC systems up to 1000 V DC.
Which protection release is fitted to this circuit breaker?
The breaker is fitted with an ABB PR123/DC R2500 electronic overcurrent release for DC circuit protection.
Is the ABB 1SDA064720R1 fixed or withdrawable?
This product is the withdrawable moving part (WMP) of the circuit breaker, allowing convenient isolation and servicing when installed with the appropriate ABB SACE Emax fixed part.
Trusted ABB Power Distribution Technology
ABB SACE Emax circuit breakers are engineered for demanding electrical distribution applications, combining robust switching technology with electronic protection and flexible integration into industrial switchgear and control systems.
