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.
1SDA059363R1 ABB E3H1000 PR122/P-LSI 1000A 4-Pole Fixed Air Circuit Breaker
ABB 1SDA059363R1 E3H1000 is a 1000 A four-pole fixed SACE Emax air circuit breaker with rear horizontal terminals and a PR122/P-LSI R1000 electronic trip unit providing adjustable overload and short-circuit protection.
£11,721.06
Why Choose the ABB E3H1000 PR122/P-LSI 1000A 4-Pole Fixed Air Circuit Breaker?
The ABB E3H1000 PR122/P-LSI, order code 1SDA059363R1, is a high-performance 1000 A four-pole fixed air circuit breaker designed for switching and protecting demanding low-voltage power distribution systems. As part of the proven ABB SACE Emax E3H series, it combines robust high-current switching capability with electronic overcurrent protection for industrial, commercial and infrastructure switchgear.
This Emax circuit breaker is equipped with the PR122/P-LSI R1000 electronic trip unit, providing long-time overload (L), short-time short-circuit (S) and instantaneous short-circuit (I) protection. Its adjustable electronic protection functions help safeguard cables, busbars, transformers, switchgear and connected equipment while supporting selective and coordinated protection throughout the electrical distribution system.
With a rated current of 1000 A and the high-performance E3H frame, this breaker is engineered for demanding distribution applications with substantial prospective fault currents. This model features a four-pole fixed construction with rear horizontal terminals and is fitted with four auxiliary contacts plus circuit-breaker open/closed position indication for integration into compatible SACE Emax switchboards.
Key Advantages
- Heavy-duty 1000 A air circuit breaker for demanding low-voltage distribution systems.
- Four-pole configuration for switching and protecting three-phase systems with neutral.
- PR122/P-LSI R1000 electronic trip unit provides adjustable LSI protection.
- Long-time, short-time and instantaneous protection helps provide coordinated circuit protection.
- E3H high-performance frame for demanding fault-current applications.
- Fixed construction for permanent integration into low-voltage switchboards.
- Rear horizontal terminals facilitate practical busbar and switchgear connections.
- Four auxiliary contacts with open/closed circuit-breaker position indication.
- Part of the established ABB SACE Emax air circuit breaker platform.
Key Features
- ABB SACE Emax E3H air circuit breaker.
- 1000 A rated current.
- Four-pole construction.
- PR122/P-LSI R1000 electronic overcurrent release.
- Long-time overload protection (L).
- Short-time short-circuit protection (S).
- Instantaneous short-circuit protection (I).
- Fixed version (F).
- Rear horizontal terminals (HR).
- High-performance H breaking-capacity class.
- Four auxiliary contacts.
- Circuit-breaker open/closed position indication.
- Designed for high-current industrial and commercial power distribution.
Reliable Circuit Protection for Power Distribution
Air circuit breakers such as the ABB SACE Emax E3H are designed to switch and protect high-current low-voltage distribution circuits. The PR122/P electronic trip unit monitors circuit current and initiates breaker operation when configured protection thresholds are exceeded, helping safeguard cables, busbars, transformers, switchgear and connected equipment against damaging overload and short-circuit conditions.
The PR122/P-LSI release combines adjustable long-time, short-time and instantaneous protection with the robust performance of the E3H frame. Combined with its four-pole fixed construction and rear horizontal terminals, the E3H1000 is particularly well suited to main and feeder protection where neutral switching, coordinated electronic protection and dependable high-current operation are required.
Typical Applications
- Low-voltage main distribution switchboards.
- Industrial power distribution systems.
- Commercial building electrical distribution.
- Manufacturing and process plant switchgear.
- Three-phase four-wire distribution systems.
- Transformer and feeder protection.
- High-fault-level distribution systems.
- Power distribution panels and switchgear assemblies.
- Infrastructure and utility installations.
- Protection of busbars and high-current distribution circuits.
Technical Specifications
| Series | SACE Emax |
|---|---|
| ABB order code | 1SDA059363R1 |
| EAN | 8015644617240 |
| Product group | 310513-New Emax |
| HS code | 85362090 |
| Product type | Air circuit breaker |
| Frame / subtype | E3H |
| Rated current (In) | 1000 A |
| Number of poles | 4 |
| Current type | AC |
| Trip unit | PR122/P-LSI R1000 |
| Release type | Electronic |
| Protection functions | L (long-time overload), S (short-time short-circuit) and I (instantaneous short-circuit) |
| Version | Fixed |
| Terminal arrangement | Rear horizontal terminals |
| Auxiliary contacts | 4 |
| Position indication | Circuit breaker open / closed |
| Net weight | approx. 90 kg |
Frequently Asked Questions
What is the ABB 1SDA059363R1 used for?
The ABB 1SDA059363R1 is a 1000 A four-pole SACE Emax air circuit breaker designed for switching and protecting demanding high-current low-voltage electrical distribution circuits.
What trip unit is fitted to the ABB E3H1000 1SDA059363R1?
This circuit breaker is equipped with the ABB PR122/P-LSI R1000 electronic trip unit, providing long-time overload, short-time short-circuit and instantaneous short-circuit protection.
What does LSI protection mean on the ABB E3H1000?
LSI denotes long-time overload (L), short-time short-circuit (S) and instantaneous short-circuit (I) protection, providing coordinated electronic protection against overloads and short-circuit faults.
Is the ABB 1SDA059363R1 fixed or withdrawable?
The 1SDA059363R1 is a fixed four-pole air circuit breaker fitted with rear horizontal terminals for permanent installation in compatible SACE Emax low-voltage switchgear.
What auxiliary contacts are fitted to the ABB 1SDA059363R1?
The breaker is fitted with four auxiliary contacts and provides circuit-breaker open/closed position indication for switchboard signalling, monitoring and control.
Trusted ABB Power Distribution Technology
ABB SACE Emax air circuit breakers are engineered for dependable low-voltage power distribution, combining robust high-current switching, adjustable electronic protection and practical fixed configurations for demanding industrial and commercial switchgear.
