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1SDA059431R1 ABB SACE New Emax E4H/f3200 PR121/P LSIG 3200 A 4-Pole Fixed Air Circuit Breaker
ABB 1SDA059431R1 SACE New Emax E4H/f3200 four-pole fixed air circuit breaker with a 3200 A rating, full-size neutral pole, PR121/P LSIG electronic trip unit, rear horizontal terminals, integrated earth-fault protection and 100 kA breaking capacity at 415 V AC for high-current low-voltage power distribution protection.
£31,491.03
Why Choose the ABB 1SDA059431R1 E4H/f3200 Air Circuit Breaker?
The ABB 1SDA059431R1 is a high-performance SACE New Emax E4H/f3200 air circuit breaker (ACB) designed for protection and switching in demanding high-current low-voltage power distribution systems. This four-pole fixed circuit breaker combines a 3200 A rated uninterrupted current with the PR121/P electronic trip unit for comprehensive protection of major industrial, commercial and infrastructure electrical networks.
Configured with LSIG protection, the PR121/P electronic trip unit provides long-time, short-time, instantaneous and earth-fault protection functions. This comprehensive protection package safeguards high-current distribution circuits against overloads, short circuits and earth faults while supporting selective protection coordination within main low-voltage switchboards.
The E4H/f3200 features a four-pole fixed configuration with a full-size neutral pole and rear horizontal terminals. Its E4H performance level provides an ultimate short-circuit breaking capacity of 100 kA at 415 V AC and 85 kA at 690 V AC, making it suitable for installations with substantial prospective fault currents.
Key Advantages
- High-current ABB SACE New Emax E4H/f3200 air circuit breaker for demanding power distribution.
- 3200 A rated uninterrupted current for major industrial and infrastructure loads.
- Four-pole fixed configuration with full-size neutral for complete four-conductor switching.
- PR121/P electronic trip unit with comprehensive LSIG protection.
- Integrated earth-fault protection for enhanced distribution-system protection.
- 100 kA ultimate short-circuit breaking capacity at 415 V AC.
- Rear horizontal terminals for integration into compatible high-current switchboards.
Key Features
- ABB SACE New Emax E4H/f3200 air circuit breaker.
- 3200 A rated uninterrupted current.
- Four-pole configuration with 100% full-size neutral.
- PR121/P electronic overcurrent release.
- LSIG protection providing long-time, short-time, instantaneous and earth-fault protection.
- 100 kA ultimate short-circuit breaking capacity at 400–500 V AC.
- 85 kA ultimate short-circuit breaking capacity at 660–690 V AC.
- High short-time withstand capability for selective distribution systems.
- Fixed circuit-breaker construction.
- Rear horizontal main terminals.
- Four auxiliary contacts with open/closed circuit-breaker position indication.
High-Current Protection for Critical Power Distribution
Air circuit breakers such as the ABB SACE New Emax E4H/f3200 provide protection, switching and isolation for high-current low-voltage electrical networks. With a 3200 A current rating and substantial short-circuit interruption capability, this breaker is well suited to main incomers, bus couplers and major feeder circuits in industrial plants, commercial facilities and infrastructure installations.
The PR121/P electronic trip unit provides LSIG protection through long-time overload, short-time short-circuit, instantaneous short-circuit and earth-fault functions. Combined with the E4H frame's high short-circuit performance and four-pole full-size-neutral construction, this configuration provides comprehensive protection for high-capacity distribution systems where neutral switching and earth-fault protection are required.
Typical Applications
- Main low-voltage switchboards and distribution boards.
- High-current transformer secondary protection.
- Industrial plants and process facilities.
- Generator and critical-power distribution systems.
- Commercial buildings and infrastructure installations.
- Main incomer, bus coupler and high-current feeder applications.
- Four-pole systems requiring full-size neutral switching and earth-fault protection.
Technical Specifications
| Series | SACE New Emax |
|---|---|
| ABB order code | 1SDA059431R1 |
| Product group | 310513-New Emax |
| Product type | Air circuit breaker |
| Frame / breaker type | E4H/f3200 |
| Frame size | 3200 A |
| Short-circuit performance level | H |
| Rated uninterrupted current | 3200 A |
| Number of poles | 4 |
| Neutral configuration | Full-size neutral |
| Trip unit | PR121/P electronic trip unit |
| Protection functions | LSIG (Long-time, Short-time, Instantaneous, Earth-fault) |
| Ultimate short-circuit breaking capacity | 100 kA at 400–500 V AC |
| Short-time withstand current | 85 kA class |
| Current type | AC |
| Mounting type | Fixed |
| Main terminal arrangement | Rear horizontal |
| Integrated earth-fault protection | Yes |
| Auxiliary contacts | 4 |
| Position indication | Open / closed |
| Standard | IEC |
| HS code | 85362090 |
Frequently Asked Questions
What is the ABB 1SDA059431R1 used for?
The ABB 1SDA059431R1 is a SACE New Emax E4H/f3200 air circuit breaker used for switching and protecting high-current low-voltage power distribution systems against overload, short-circuit and earth-fault conditions.
What is the current rating of the ABB 1SDA059431R1?
The circuit breaker has a rated uninterrupted current of 3200 A.
What protection functions does the PR121/P trip unit provide?
The PR121/P is configured for LSIG protection, providing long-time overload, short-time short-circuit, instantaneous short-circuit and earth-fault protection functions.
What is the breaking capacity of the ABB E4H/f3200?
The E4H/f3200 has an ultimate short-circuit breaking capacity of 100 kA at 415 V AC and 85 kA at 690 V AC.
Is the ABB 1SDA059431R1 fixed or withdrawable?
The ABB 1SDA059431R1 is a four-pole fixed air circuit breaker with a full-size neutral pole and rear horizontal terminals for integration into compatible low-voltage switchboards.
Trusted by Electrical Professionals Worldwide
ABB SACE New Emax air circuit breakers are engineered for dependable protection and switching in demanding low-voltage power distribution systems, combining high current capacity, robust short-circuit performance and advanced electronic protection technology.
