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.
1SDA056339R1 ABB Emax E3H800 PR122/P-LI 800 A 3-Pole Air Circuit Breaker
ABB 1SDA056339R1 SACE Emax E3H800 three-pole fixed air circuit breaker with an 800 A rated current, horizontal rear terminals, 100 kA breaking capacity at 400 V AC and PR122/P-LI electronic overcurrent protection.
£8,616.41
Why Choose the ABB 1SDA056339R1 Emax E3H800 Air Circuit Breaker?
The ABB 1SDA056339R1 is a high-performance SACE Emax E3H800 air circuit breaker designed for protection and switching in demanding low-voltage electrical distribution systems. Part of the advanced ABB SACE Emax series, this three-pole fixed circuit breaker combines an 800 A rated current with the advanced PR122/P-LI electronic overcurrent release.
Designed for industrial power distribution, switchboards and critical electrical installations, the E3H800 provides dependable protection against overloads and short circuits. The PR122/P-LI electronic trip unit provides long-time and instantaneous protection functions, helping protect electrical distribution networks and connected equipment while offering adjustable electronic protection settings.
With a rated current of 800 A, a three-pole configuration and rated voltage of 690 V AC, the 1SDA056339R1 is suited to demanding distribution applications. Its fixed construction and horizontal rear terminals simplify integration into compatible switchboards, while the E3H performance level provides a rated ultimate short-circuit breaking capacity of 100 kA at 400 V AC.
Key Advantages
- Heavy-duty ABB SACE Emax air circuit breaker for low-voltage power distribution.
- 800 A rated current for industrial and infrastructure applications.
- Three-pole configuration for three-phase electrical distribution systems.
- Advanced PR122/P-LI electronic overcurrent release.
- Long-time and instantaneous protection against overload and short-circuit conditions.
- 100 kA rated ultimate short-circuit breaking capacity at 400 V AC.
- Fixed installation with horizontal rear terminals for switchboard integration.
- Four auxiliary change-over contacts and open/closed position indication support monitoring and control.
Key Features
- ABB SACE Emax E3H800 air circuit breaker.
- 800 A rated uninterrupted current.
- Three-pole construction.
- PR122/P-LI electronic protection release.
- Long-time and instantaneous overcurrent protection.
- 690 V AC rated voltage.
- 100 kA Icu at 400 V AC, 50 Hz.
- Adjustable overload release setting from 320–800 A.
- Adjustable instantaneous short-circuit release from 1200–12000 A.
- Fixed circuit-breaker construction with horizontal rear terminals.
- Fitted with four auxiliary change-over contacts and open/closed position indication.
- Optional motor drive capability for automation applications.
Reliable Protection for Low-Voltage Power Distribution
Air circuit breakers such as the ABB SACE Emax E3H800 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 substantial fault currents is essential.
The PR122/P-LI electronic release provides long-time protection against sustained overloads together with instantaneous protection against severe short-circuit faults. Combined with the E3H breaker’s high short-circuit performance, fixed construction and horizontal rear terminals, this makes the 1SDA056339R1 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 systems.
- High-current feeder protection.
- Commercial and infrastructure electrical installations.
- Fixed switchgear and power distribution assemblies.
Technical Specifications
| Series | SACE Emax |
|---|---|
| Product group | 310513-New Emax |
| Order code | 1SDA056339R1 |
| Product type | Air circuit breaker |
| Frame / sub-type | E3H800 |
| Performance level | H |
| Rated current (In) | 800 A |
| Rated uninterrupted current (Iu) | 800 A |
| Number of poles | 3 |
| Rated voltage | 690 V AC |
| Rated ultimate short-circuit breaking capacity (Icu) at 400 V, 50 Hz | 100 kA |
| Overload release current setting | 320–800 A |
| Instantaneous short-circuit release adjustment | 1200–12000 A |
| Release | PR122/P-LI |
| Release type | Electronic |
| Protection functions | LI (long-time and instantaneous) |
| Installation type | Fixed |
| Terminal arrangement | Horizontal rear terminals |
| Auxiliary contacts | 4 change-over contacts |
| Position indication | Open / closed |
| Motor drive | Optional |
| Net weight | 72 kg |
| EAN | 8015644576790 |
Frequently Asked Questions
What is the ABB 1SDA056339R1 used for?
The ABB 1SDA056339R1 is an 800 A SACE Emax air circuit breaker used for switching and protecting high-current low-voltage electrical distribution systems against overload and short-circuit conditions.
What is the rated current of the ABB 1SDA056339R1?
The circuit breaker has a rated uninterrupted current of 800 A.
Which trip unit is fitted to this circuit breaker?
The 1SDA056339R1 is fitted with an ABB PR122/P-LI electronic overcurrent release, providing long-time and instantaneous protection functions.
What is the breaking capacity of the ABB 1SDA056339R1?
The E3H800 has a rated ultimate short-circuit breaking capacity of 100 kA at 400 V AC, 50 Hz.
Is the ABB 1SDA056339R1 a fixed or withdrawable circuit breaker?
The 1SDA056339R1 is a fixed SACE Emax circuit breaker equipped with horizontal rear terminals for integration into compatible low-voltage switchboards.
Trusted Protection from ABB
ABB SACE Emax air circuit breakers are designed for reliable protection, switching and control of demanding low-voltage power distribution systems, combining high breaking performance with advanced electronic protection technology.
