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1SDA056354R1 ABB Emax E3H800 PR121/P-LSIG 800 A 3-Pole Air Circuit Breaker
ABB 1SDA056354R1 SACE Emax E3H800 three-pole withdrawable air circuit breaker moving portion with an 800 A rated current, 100 kA breaking capacity at 415 V AC and PR121/P-LSIG electronic protection for demanding low-voltage power distribution systems.
£10,107.66
Why Choose the ABB 1SDA056354R1 Emax E3H800 Air Circuit Breaker?
The ABB 1SDA056354R1 is a high-performance SACE Emax E3H800 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 three-pole withdrawable breaker combines an 800 A rated current with the PR121/P-LSIG electronic overcurrent release.
Designed for industrial power distribution, switchboards and critical electrical installations, the E3H800 provides reliable protection against overloads, short circuits and earth faults. The PR121/P-LSIG electronic trip unit provides long-time, short-time, instantaneous and ground-fault protection functions, supporting comprehensive protection of electrical distribution networks and connected equipment.
With a rated uninterrupted current of 800 A, a three-pole configuration and withdrawable construction, the 1SDA056354R1 is suited to demanding high-current distribution applications. The E3H800 provides a rated ultimate short-circuit breaking capacity of 100 kA at 415 V AC and a rated short-time withstand current of 75 kA for 1 s, while its moving-portion design enables integration into compatible SACE Emax withdrawable switchgear.
Key Advantages
- Heavy-duty ABB SACE Emax air circuit breaker moving portion for low-voltage power distribution.
- 800 A rated uninterrupted current for industrial and infrastructure applications.
- Three-pole configuration for three-phase electrical distribution systems.
- Advanced PR121/P-LSIG electronic overcurrent release.
- Long-time, short-time, instantaneous and ground-fault protection functions.
- 100 kA rated ultimate short-circuit breaking capacity at 415 V AC.
- 75 kA short-time withstand current for 1 s for demanding fault conditions.
- Withdrawable moving-portion construction supports convenient inspection, servicing and replacement.
Key Features
- ABB SACE Emax E3H800 air circuit breaker moving portion.
- 800 A rated uninterrupted current.
- Three-pole construction.
- PR121/P-LSIG electronic protection release.
- Long-time, short-time, instantaneous and ground-fault protection.
- 100 kA Icu at 415 V AC.
- 75 kA Icw for 1 s.
- Withdrawable moving-portion configuration for compatible SACE Emax switchgear.
- Fitted with four auxiliary contacts.
- Open/closed circuit-breaker position indication.
Advanced 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 PR121/P-LSIG electronic release provides long-time protection against overloads, short-time and instantaneous protection against short-circuit faults, and ground-fault protection. Combined with the E3H800 breaker’s 100 kA breaking capacity at 415 V AC and withdrawable construction, this makes the 1SDA056354R1 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 | 1SDA056354R1 |
| Product type | Air circuit breaker moving portion |
| Frame / sub-type | E3H800 |
| Performance level | H |
| Rated current (In) | 800 A |
| Rated uninterrupted current (Iu) at 40 °C | 800 A |
| Number of poles | 3 |
| Rated ultimate short-circuit breaking capacity (Icu) at 415 V AC | 100 kA |
| Rated short-time withstand current (Icw) | 75 kA for 1 s |
| Release | PR121/P-LSIG |
| Release type | Electronic |
| Protection functions | LSIG (long-time, short-time, instantaneous and ground-fault) |
| Installation type | Withdrawable moving portion |
| Auxiliary contacts | 4 |
| Position indication | Open / closed |
| Net weight | 77 kg |
| EAN | 8015644576943 |
Frequently Asked Questions
What is the ABB 1SDA056354R1 used for?
The ABB 1SDA056354R1 is an 800 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 1SDA056354R1?
The circuit breaker has a rated uninterrupted current of 800 A.
Which trip unit is fitted to this circuit breaker?
The 1SDA056354R1 is fitted with an ABB PR121/P-LSIG electronic overcurrent release, providing long-time, short-time, instantaneous and ground-fault protection functions.
What is the breaking capacity of the ABB 1SDA056354R1?
The E3H800 has a rated ultimate short-circuit breaking capacity of 100 kA at 415 V AC and a rated short-time withstand current of 75 kA for 1 s.
Is the ABB 1SDA056354R1 a fixed or withdrawable circuit breaker?
The 1SDA056354R1 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 designed for reliable protection, switching and control of demanding low-voltage power distribution systems, combining high breaking performance with advanced electronic protection technology.
