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1SDA056434R1 ABB Emax E3H2000 PR121/P-LSIG 2000 A 3-Pole Air Circuit Breaker
ABB 1SDA056434R1 SACE Emax E3H2000 three-pole fixed air circuit breaker with a 2000 A rated current, horizontal rear terminals and PR121/P-LSIG electronic protection for demanding low-voltage power distribution systems.
£13,966.03
Why Choose the ABB 1SDA056434R1 Emax E3H2000 Air Circuit Breaker?
The ABB 1SDA056434R1 is a high-performance SACE Emax E3H2000 air circuit breaker designed for protection and switching in demanding low-voltage electrical distribution systems. Part of the ABB SACE Emax series, this three-pole fixed circuit breaker combines a 2000 A rated current with the PR121/P-LSIG electronic overcurrent release.
Designed for industrial power distribution, main switchboards and critical electrical installations, the E3H2000 provides dependable protection against overloads, short circuits and earth-fault conditions. The PR121/P-LSIG electronic trip unit provides long-time, short-time, instantaneous and ground-fault protection functions, delivering comprehensive protection for high-current distribution networks.
With a 2000 A rated current, three-pole configuration and fixed construction, the 1SDA056434R1 is suited to demanding high-current distribution applications. The E3H performance level provides an ultimate short-circuit breaking capacity of 100 kA at 415 V AC, with an 85 kA service breaking capacity and 75 kA short-time withstand current for 1 s, while horizontal rear terminals support robust switchboard integration.
Key Advantages
- Heavy-duty ABB SACE Emax air circuit breaker for low-voltage power distribution.
- 2000 A rated current for high-current industrial and infrastructure applications.
- Three-pole configuration for three-phase electrical distribution systems.
- PR121/P-LSIG electronic overcurrent release for comprehensive circuit protection.
- Long-time, short-time, instantaneous and earth-fault protection functions.
- 100 kA ultimate short-circuit breaking capacity at 415 V AC.
- 75 kA short-time withstand current for 1 s for demanding fault conditions.
- Fixed construction with horizontal rear terminals for switchboard integration.
Key Features
- ABB SACE Emax E3H2000 air circuit breaker.
- 2000 A rated current.
- Three-pole construction.
- PR121/P-LSIG electronic protection release.
- LSIG protection comprising long-time, short-time, instantaneous and ground-fault functions.
- 100 kA Icu at 415 V AC.
- 85 kA Ics at 415 V AC.
- 75 kA Icw for 1 s and 65 kA for 3 s.
- Fixed circuit-breaker construction.
- Horizontal rear terminals for power connections.
- Fitted with four auxiliary contacts.
- Open/closed circuit-breaker position indication.
Comprehensive Protection for High-Current Power Distribution
Air circuit breakers such as the ABB SACE Emax E3H2000 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 sustained overloads, short-time protection for short-circuit coordination, instantaneous protection against severe faults and ground-fault protection for earth-fault conditions. Combined with the E3H breaker’s high breaking performance, 2000 A current rating and fixed horizontal rear-terminal construction, this makes the 1SDA056434R1 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 incoming and 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 | 1SDA056434R1 |
| Product type | Air circuit breaker |
| Frame | E3 |
| Performance level | H |
| Rated current (In) | 2000 A |
| Number of poles | 3 |
| Rated ultimate short-circuit breaking capacity (Icu) at 415 V AC | 100 kA |
| Rated service short-circuit breaking capacity (Ics) at 415 V AC | 85 kA |
| Rated short-time withstand current (Icw) | 75 kA for 1 s; 65 kA for 3 s |
| Release | PR121/P-LSIG |
| Release type | Electronic |
| Protection functions | LSIG (long-time, short-time, instantaneous and ground-fault) |
| Installation type | Fixed |
| Terminal arrangement | Horizontal rear terminals |
| Auxiliary contacts | 4 |
| Position indication | Open / closed |
| Net weight | 72 kg |
| EAN | 8015644577742 |
Frequently Asked Questions
What is the ABB 1SDA056434R1 used for?
The ABB 1SDA056434R1 is a 2000 A SACE Emax air circuit breaker used for switching and protecting high-current low-voltage electrical distribution systems against overload, short-circuit and earth-fault conditions.
What is the rated current of the ABB 1SDA056434R1?
The ABB 1SDA056434R1 has a rated current of 2000 A.
Which trip unit is fitted to the ABB 1SDA056434R1?
The 1SDA056434R1 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 1SDA056434R1?
The E3H2000 has an ultimate short-circuit breaking capacity of 100 kA at 415 V AC, with a service short-circuit breaking capacity of 85 kA.
Is the ABB 1SDA056434R1 fixed or withdrawable?
The 1SDA056434R1 is a fixed SACE Emax air circuit breaker with horizontal rear terminals for integration into compatible low-voltage switchboards.
Trusted Protection from ABB
ABB SACE Emax air circuit breakers are engineered for reliable protection, switching and control in demanding low-voltage power distribution systems, combining high breaking performance with electronic overcurrent and earth-fault protection.
