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.
1SDA057571R1 ABB E3H-A 1200 PR122/P-LI 1200 A 3-Pole Fixed Air Circuit Breaker
ABB 1SDA057571R1 is a SACE Emax E3H-A 1200 A three-pole fixed air circuit breaker with rear horizontal terminals and a PR122/P-LI R1200 electronic overcurrent release providing long-time overload and instantaneous short-circuit protection.
£8,254.55
Why Choose the ABB 1SDA057571R1 E3H-A 1200 Air Circuit Breaker?
The ABB 1SDA057571R1 is a SACE Emax E3H-A air circuit breaker designed for switching and protection in demanding low-voltage electrical distribution systems. Identified as E3H-A 1200 PR122/P-LI In=1200A 3p F HR, this three-pole fixed circuit breaker combines a 1200 A rated current with the ABB PR122/P-LI electronic overcurrent release.
As part of the ABB SACE Emax / New Emax range, this E3H-A configuration features fixed installation with rear horizontal terminals. It has a rated voltage of 600 V and is designed for integration into compatible low-voltage switchboards for industrial, commercial and infrastructure power distribution.
The PR122/P-LI electronic trip unit provides long-time overload and instantaneous short-circuit protection. This configuration uses an R1200 overcurrent release with an 18,000 A instantaneous release reference and is supplied with four auxiliary contacts plus circuit-breaker open/closed position indication.
Key Advantages
- ABB SACE Emax E3H-A construction for demanding low-voltage power distribution.
- 1200 A rated current for industrial and commercial distribution circuits.
- PR122/P-LI electronic overcurrent release for electronic circuit protection.
- LI functionality provides long-time overload and instantaneous short-circuit protection.
- Three-pole fixed configuration for permanent switchboard installations.
- Rear horizontal terminals provide a practical connection arrangement for compatible switchgear.
- 85 kA rated service short-circuit breaking capacity at 240, 480 and 600 V AC.
- Four auxiliary contacts and open/closed indication support signalling and breaker status monitoring.
Key Features
- ABB SACE Emax E3H-A series.
- 1200 A rated current.
- 600 V rated voltage.
- Three-pole configuration.
- Fixed (F) installation.
- Rear horizontal (HR) terminals.
- PR122/P-LI electronic trip unit.
- R1200 overcurrent release.
- Long-time overload protection.
- Instantaneous short-circuit protection.
- 18,000 A instantaneous release reference.
- 85 kA Ics at 240, 480 and 600 V AC.
- Four auxiliary contacts.
- Circuit-breaker open/closed position indication.
- Designed to UL 1066.
Reliable LI Protection for Low-Voltage Power Distribution
Air circuit breakers such as the ABB SACE Emax E3H-A provide switching, isolation and overcurrent protection for low-voltage electrical distribution systems. Electronic trip technology monitors circuit conditions and initiates interruption when configured protection thresholds are exceeded, helping safeguard conductors, switchgear and downstream electrical equipment.
The PR122/P-LI release combines long-time protection against sustained overload conditions with instantaneous protection against severe short circuits. Together with the fixed E3H-A construction, rear horizontal terminals and high short-circuit performance, the 1SDA057571R1 is suited to demanding distribution systems requiring dependable electronic protection.
Typical Applications
- Low-voltage main distribution switchboards.
- Industrial incoming and feeder circuits.
- Manufacturing and process facilities.
- Commercial building electrical distribution.
- Infrastructure power systems.
- Transformer secondary distribution circuits.
- Generator and installation protection.
- High-current distribution feeders.
- Fixed switchgear requiring electronic LI protection.
Technical Specifications
| Series | SACE Emax / New Emax |
|---|---|
| ABB product group | 310513-New Emax |
| Order code / Product ID | 1SDA057571R1 |
| Product type | Air circuit breaker |
| Frame | E3H-A |
| Rated current (In) | 1200 A |
| Rated operational current (Ie) | 1200 A |
| Rated uninterrupted current (Iu) | 1200 A |
| Rated voltage (Ur) | 600 V |
| Number of poles | 3 |
| Installation | Fixed |
| Terminal connection | Rear horizontal |
| Trip unit | PR122/P-LI |
| Overcurrent release | R1200 |
| Protection functions | Long-time and instantaneous (LI) |
| Instantaneous release reference | 18,000 A |
| Rated service short-circuit breaking capacity (Ics) at 240 V AC | 85 kA |
| Rated service short-circuit breaking capacity (Ics) at 480 V AC | 85 kA |
| Rated service short-circuit breaking capacity (Ics) at 600 V AC | 85 kA |
| Auxiliary contacts | 4 |
| Position indication | Circuit breaker open / closed |
| Standard | UL 1066 |
| Net weight | 60 kg |
| EAN | 8015644598341 |
| Customs tariff / HS code | 85362090 |
Frequently Asked Questions
What is the ABB 1SDA057571R1 used for?
The ABB 1SDA057571R1 is a SACE Emax E3H-A air circuit breaker used for switching and protecting low-voltage electrical distribution circuits, including transformer, generator and installation protection applications.
What is the rated current of the ABB 1SDA057571R1?
The ABB 1SDA057571R1 has a rated current of 1200 A and uses an R1200 overcurrent release.
Which trip unit is fitted to the ABB 1SDA057571R1?
The 1SDA057571R1 is fitted with an ABB PR122/P-LI electronic overcurrent release.
What protection functions does the PR122/P-LI provide?
The PR122/P-LI provides long-time overload and instantaneous short-circuit protection functions.
Is the ABB 1SDA057571R1 fixed or withdrawable?
The ABB 1SDA057571R1 is a three-pole fixed air circuit breaker with rear horizontal terminals for integration into compatible ABB SACE Emax switchgear and low-voltage distribution assemblies.
Trusted Circuit Protection from ABB
ABB SACE Emax air circuit breakers provide dependable switching and electronic overcurrent protection for demanding low-voltage electrical distribution systems, combining robust construction, high short-circuit performance and advanced electronic protection for critical power applications.
