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.
1SDA056303R1 ABB Emax E3S2500 PR123/P-LSIG 2500 A 4-Pole Air Circuit Breaker
ABB 1SDA056303R1 SACE Emax E3S2500 four-pole withdrawable air circuit breaker moving portion with a 2500 A rated current and PR123/P-LSIG electronic protection for high-current low-voltage power distribution systems.
£26,718.81
Why Choose the ABB 1SDA056303R1 Emax E3S2500 Air Circuit Breaker?
The ABB 1SDA056303R1 is a high-performance SACE Emax E3S2500 air circuit breaker moving portion designed for protection and switching in demanding low-voltage electrical distribution systems. Part of the ABB SACE Emax series, this four-pole withdrawable breaker combines a 2500 A rated current with the advanced PR123/P-LSIG electronic overcurrent release.
Designed for industrial power distribution, switchboards and critical electrical installations, the E3S2500 provides reliable protection against overloads, short circuits and earth faults. The PR123/P-LSIG electronic trip unit provides long-time, short-time, instantaneous and ground-fault protection functions, enabling comprehensive and coordinated protection of electrical distribution networks and connected equipment.
With a rated current of 2500 A, four-pole configuration and E3S performance level, the 1SDA056303R1 is suited to high-current distribution applications where advanced protection and dependable switching are required. Its withdrawable moving-portion design enables integration into compatible SACE Emax switchgear and supports convenient inspection, servicing and replacement.
Key Advantages
- Heavy-duty ABB SACE Emax air circuit breaker moving portion for low-voltage power distribution.
- 2500 A rated current for high-current industrial applications.
- Four-pole configuration for switching and protection of three-phase systems with neutral.
- Advanced PR123/P-LSIG electronic overcurrent release.
- Comprehensive long-time, short-time, instantaneous and ground-fault protection.
- E3S 75 kA performance class for demanding fault-protection applications.
- Withdrawable construction supports convenient inspection, servicing and replacement.
- Designed for industrial switchboards, distribution systems and infrastructure installations.
Key Features
- ABB SACE Emax E3S2500 air circuit breaker moving portion.
- 2500 A rated current.
- Four-pole construction.
- PR123/P-LSIG electronic protection release.
- Long-time, short-time, instantaneous and ground-fault protection.
- E3S 75 kA short-circuit performance class.
- Withdrawable configuration for compatible SACE Emax switchgear.
- Fitted with four auxiliary contacts.
- Open/closed circuit-breaker position indication.
- Designed for high-current low-voltage power distribution systems.
Advanced Protection for Low-Voltage Power Distribution
Air circuit breakers such as the ABB SACE Emax E3S2500 provide switching, isolation and overcurrent protection for high-current low-voltage electrical networks. They are commonly installed as incoming, feeder or distribution protection devices in industrial switchboards where dependable interruption of high fault currents is essential.
The PR123/P-LSIG electronic release provides long-time, short-time, instantaneous and ground-fault protection functions, allowing comprehensive protection against a range of abnormal electrical conditions. Combined with the E3S breaker’s high short-circuit performance and withdrawable construction, this makes the 1SDA056303R1 well suited to demanding industrial and infrastructure power-distribution installations.
Typical Applications
- Low-voltage main distribution switchboards.
- Industrial power distribution systems.
- Manufacturing and process plant electrical systems.
- Transformer and generator distribution protection.
- High-current feeder protection.
- Commercial and infrastructure electrical installations.
- Withdrawable switchgear and power control assemblies.
Technical Specifications
| Series | SACE Emax |
|---|---|
| Product group | 310513-New Emax |
| Order code | 1SDA056303R1 |
| Product type | Air circuit breaker moving portion |
| Frame / sub-type | E3S2500 |
| Performance level | S |
| Rated current (In) | 2500 A |
| Number of poles | 4 |
| Release | PR123/P-LSIG |
| Release type | Electronic |
| Protection functions | LSIG (long-time, short-time, instantaneous and ground-fault) |
| Short-circuit performance class | 75 kA |
| Installation type | Withdrawable moving portion |
| Auxiliary contacts | 4 |
| Position indication | Open / closed |
| EAN | 8015644576431 |
Frequently Asked Questions
What is the ABB 1SDA056303R1 used for?
The ABB 1SDA056303R1 is a 2500 A SACE Emax air circuit breaker moving portion used for switching and protecting high-current low-voltage electrical distribution systems against overload, short-circuit and ground-fault conditions.
What is the rated current of the ABB 1SDA056303R1?
The circuit breaker has a rated current of 2500 A.
Which trip unit is fitted to this circuit breaker?
The 1SDA056303R1 is fitted with an ABB PR123/P-LSIG electronic overcurrent release, providing long-time, short-time, instantaneous and ground-fault protection functions.
How many poles does the ABB 1SDA056303R1 have?
This Emax E3S2500 circuit breaker has a four-pole configuration.
Is the ABB 1SDA056303R1 a fixed or withdrawable circuit breaker?
The 1SDA056303R1 is a withdrawable SACE Emax circuit breaker moving portion designed for installation in compatible withdrawable switchgear assemblies.
Trusted Protection from ABB
ABB SACE Emax air circuit breakers are engineered for reliable protection, switching and control of demanding low-voltage power distribution systems, combining high breaking performance with advanced electronic protection technology.
