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1SDA059388R1 ABB E3S1000 PR121/P-LI 1000A 4-Pole Withdrawable Air Circuit Breaker
ABB 1SDA059388R1 E3S1000 is a 1000 A four-pole withdrawable SACE Emax air circuit breaker moving part with a PR121/P-LI R1000 electronic trip unit providing long-time overload and instantaneous short-circuit protection.
£10,234.94
Why Choose the ABB E3S1000 PR121/P-LI 1000A 4-Pole Withdrawable Air Circuit Breaker?
The ABB E3S1000 PR121/P-LI, order code 1SDA059388R1, is a high-performance 1000 A four-pole withdrawable air circuit breaker moving part designed for switching and protecting demanding low-voltage power distribution systems. As part of the proven ABB SACE Emax E3S series, it combines dependable high-current switching with electronic overcurrent protection for industrial, commercial and infrastructure switchgear.
This Emax circuit breaker is equipped with the PR121/P-LI R1000 electronic trip unit, providing long-time overload (L) and instantaneous short-circuit (I) protection. These protection functions help safeguard cables, busbars, transformers, switchgear and connected equipment against sustained overloads and severe short-circuit faults.
With a rated current of 1000 A, rated operational voltage of 690 V AC and rated ultimate and service short-circuit breaking capacities of 75 kA across its specified AC voltage range, the E3S1000 is designed for demanding distribution duties. This model is supplied as the four-pole moving part of a withdrawable circuit breaker and includes four auxiliary contacts with circuit-breaker open/closed position indication.
Key Advantages
- Heavy-duty 1000 A air circuit breaker moving part for low-voltage power distribution.
- Four-pole configuration for switching and protecting three-phase systems with neutral.
- PR121/P-LI R1000 electronic trip unit provides overload and instantaneous short-circuit protection.
- 75 kA rated ultimate short-circuit breaking capacity at 400/415 V AC.
- 75 kA rated service short-circuit breaking capacity at 400/415 V AC.
- 75 kA short-time withstand current for 1 s.
- Withdrawable construction supports efficient inspection, servicing and breaker replacement.
- 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 E3S air circuit breaker moving part.
- 1000 A rated current.
- Four-pole construction.
- PR121/P-LI R1000 electronic overcurrent release.
- Long-time overload protection (L).
- Instantaneous short-circuit protection (I).
- Withdrawable version / moving part (W MP).
- 690 V AC rated operational voltage.
- 1000 V rated insulation voltage.
- 12 kV rated impulse withstand voltage.
- Four auxiliary contacts.
- Circuit-breaker open/closed position indication.
- Designed for service-friendly integration into compatible SACE Emax switchgear.
Reliable Circuit Protection for Power Distribution
Air circuit breakers such as the ABB SACE Emax E3S are designed to switch and protect high-current low-voltage distribution circuits. The PR121/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 PR121/P-LI release combines long-time overload and instantaneous short-circuit protection with the substantial fault-current performance of the E3S frame. Combined with its four-pole withdrawable construction, the E3S1000 is particularly well suited to distribution systems where neutral switching, high-current circuit protection and service-friendly breaker removal 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-current 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 | 1SDA059388R1 |
| EAN | 8015644617493 |
| Product group | 310513-New Emax |
| Customs tariff number | 85362090 |
| Product type | Air circuit breaker moving part |
| Frame / subtype | E3 |
| Short-circuit performance level | S |
| Rated current (In) | 1000 A |
| Rated uninterrupted current (Iu) | 1000 A |
| Rated operational current (Ie) | 1000 A |
| Number of poles | 4 |
| Current type | AC |
| Rated operational voltage | 690 V AC |
| Rated voltage (Ur) | 690 V |
| Rated insulation voltage (Ui) | 1000 V |
| Rated impulse withstand voltage (Uimp) | 12 kV |
| Trip unit | PR121/P-LI R1000 |
| Release type | Electronic |
| Protection functions | L (long-time overload) and I (instantaneous short-circuit) |
| Rated ultimate short-circuit breaking capacity (Icu) | 75 kA at 220–690 V AC |
| Rated service short-circuit breaking capacity (Ics) | 75 kA at 220–690 V AC |
| Rated short-time withstand current (Icw) | 75 kA for 1 s; 65 kA for 3 s |
| Version | Withdrawable moving part |
| Terminal connection type | Withdrawable circuit breaker |
| Auxiliary contacts | 4 |
| Position indication | Circuit breaker open / closed |
| Power loss | 57.6 W |
| Mechanical durability | 20,000 operating cycles |
| Mechanical operating frequency | 60 cycles per hour |
| Electrical durability | 12,000 operating cycles at ≤440 V; 12,000 operating cycles at 500–690 V |
| Electrical operating frequency | 20 cycles per hour |
| Dimensions (W × H × D) | 558 × 461 × 396.5 mm |
| Net weight | 81 kg |
| Standard | IEC |
Frequently Asked Questions
What is the ABB 1SDA059388R1 used for?
The ABB 1SDA059388R1 is a 1000 A four-pole SACE Emax air circuit breaker moving part designed for switching and protecting high-current low-voltage electrical distribution circuits.
What trip unit is fitted to the ABB E3S1000 1SDA059388R1?
This circuit breaker is equipped with the ABB PR121/P-LI R1000 electronic trip unit, providing long-time overload and instantaneous short-circuit protection.
What is the short-circuit breaking capacity of the ABB E3S1000?
The E3S1000 has rated ultimate and service short-circuit breaking capacities of 75 kA across the specified 220–690 V AC range.
Is the ABB 1SDA059388R1 fixed or withdrawable?
The 1SDA059388R1 is the moving part of a four-pole withdrawable air circuit breaker, designed for use with the appropriate compatible SACE Emax fixed part.
What does LI protection mean on the ABB E3S1000?
LI denotes long-time overload (L) and instantaneous short-circuit (I) protection, providing electronic protection against sustained overcurrent and severe short-circuit faults.
Trusted ABB Power Distribution Technology
ABB SACE Emax air circuit breakers are engineered for dependable low-voltage power distribution, combining robust switching performance, electronic circuit protection and service-friendly withdrawable construction for demanding industrial and commercial switchgear.
