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1SDA059303R1 ABB E2S 1000 PR121/P-LI 1000A 4P Fixed Air Circuit Breaker
ABB 1SDA059303R1 SACE Emax E2S 1000 four-pole fixed air circuit breaker rated at 1000 A with rear horizontal terminals and a PR121/P-LI electronic release for long-time overload and instantaneous short-circuit protection.
£9,752.53
Why Choose the ABB E2S 1000 PR121/P-LI 1000A 4P Fixed Air Circuit Breaker?
The ABB 1SDA059303R1 is a high-performance SACE Emax E2S air circuit breaker designed for protection and switching in demanding low-voltage power distribution systems. This configuration combines a 1000 A rated current, four-pole construction and fixed installation with the PR121/P-LI electronic overcurrent release.
Part of the ABB SACE Emax family, the E2S 1000 is engineered for industrial, commercial and infrastructure distribution systems requiring dependable circuit protection and high short-circuit performance. The PR121/P-LI release provides long-time overload and instantaneous short-circuit protection, helping safeguard conductors, switchgear and connected equipment against damaging overcurrent conditions.
This model is the four-pole fixed version with rear horizontal terminals (F HR). Its 1000 A rating and four-pole configuration make it suitable for three-phase distribution systems where switching of the neutral conductor is required, while the fixed construction provides a robust solution for permanent installation within low-voltage switchboards.
Key Advantages
- High-performance 1000 A SACE Emax air circuit breaker for low-voltage distribution.
- PR121/P-LI electronic trip unit provides long-time overload and instantaneous short-circuit protection.
- Four-pole construction supports switching of all phases and the neutral conductor.
- Fixed configuration provides a robust solution for permanent switchboard installations.
- Rear horizontal terminals facilitate integration into low-voltage distribution assemblies.
- Fitted with four auxiliary contacts for signalling and control functions.
- Integrated open/closed position indication provides clear breaker status information.
Key Features
- ABB SACE Emax E2S frame.
- 1000 A rated current.
- Four-pole construction.
- Fixed (F) circuit-breaker configuration.
- Rear horizontal (HR) terminals.
- PR121/P-LI R1000 electronic overcurrent release.
- Long-time overload protection.
- Instantaneous short-circuit protection.
- Four auxiliary contacts.
- Open/closed circuit-breaker position indication.
- Designed for low-voltage industrial power distribution.
- SACE Emax construction for demanding switchboard applications.
Reliable LI Protection for High-Current Power Distribution
Air circuit breakers such as the ABB SACE Emax E2S provide essential switching and protection at the heart of low-voltage power distribution systems. The electronic trip unit monitors circuit current and initiates interruption when configured protection thresholds are exceeded, helping prevent overloads and severe short circuits from damaging cables, switchgear and connected equipment.
The PR121/P-LI release fitted to this E2S 1000 combines long-time overload protection with instantaneous short-circuit protection. Together with its four-pole construction, fixed installation format and rear horizontal terminals, the 1SDA059303R1 provides a practical solution for main and feeder protection duties in industrial and commercial power distribution assemblies.
Typical Applications
- Low-voltage main distribution switchboards.
- Industrial power distribution systems.
- Main incoming circuit protection.
- High-current feeder protection.
- Four-pole systems requiring neutral switching.
- Manufacturing and process plant switchgear.
- Commercial and infrastructure electrical distribution.
- Transformer secondary and generator distribution systems.
Technical Specifications
| Series | SACE Emax |
|---|---|
| ABB order code | 1SDA059303R1 |
| Product group | 310513-New Emax |
| Product type | Air circuit breaker |
| Frame / sub-type | E2S |
| Rated current (In) | 1000 A |
| Number of poles | 4 |
| Version | Fixed (F) |
| Terminal arrangement | Rear horizontal (HR) |
| Trip unit | PR121/P-LI R1000 |
| Release type | Electronic overcurrent release |
| Protection functions | Long-time and instantaneous |
| Auxiliary contacts | 4 |
| Position indication | Open / closed |
| Product net weight | 68 kg |
| EAN | 8015644616649 |
| HS code | 85362090 |
Frequently Asked Questions
What is the ABB 1SDA059303R1?
The ABB 1SDA059303R1 is a SACE Emax E2S 1000 four-pole fixed air circuit breaker rated at 1000 A and equipped with a PR121/P-LI electronic overcurrent release and rear horizontal terminals.
What protection functions does the PR121/P-LI trip unit provide?
The PR121/P-LI electronic release provides long-time overload protection and instantaneous short-circuit protection.
How many poles does the ABB 1SDA059303R1 have?
The 1SDA059303R1 is a four-pole air circuit breaker, making it suitable for distribution systems where switching of the neutral conductor is required alongside the three phases.
Is ABB 1SDA059303R1 fixed or withdrawable?
ABB 1SDA059303R1 is the fixed (F) version of the E2S 1000 and is supplied with rear horizontal (HR) terminals.
Where is the ABB E2S 1000 PR121/P-LI typically used?
It is typically used in industrial, commercial and infrastructure low-voltage switchboards for main incomer and feeder protection in high-current power distribution systems.
Trusted ABB Protection for Power Distribution
ABB SACE Emax air circuit breakers are engineered for dependable switching and circuit protection in demanding low-voltage power distribution systems, combining electronic overcurrent protection with robust construction for industrial and infrastructure switchboards.
