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1SDA071752R1 ABB E4.2V 2500 Ekip Dip LSI 4P Air Circuit Breaker
ABB 1SDA071752R1 SACE Emax 2 E4.2V fixed four-pole 2500 A air circuit breaker with an Ekip Dip LSI electronic trip unit for high-performance low-voltage power distribution protection.
£14,617.23
Why Choose the ABB E4.2V 2500 Ekip Dip LSI 4P Air Circuit Breaker?
The ABB 1SDA071752R1 is a high-performance SACE Emax 2 E4.2V air circuit breaker (ACB) rated at 2500 A, designed for protection and switching in demanding low-voltage power distribution systems. As part of the ABB SACE Emax 2 series, this fixed four-pole circuit breaker combines exceptionally high short-circuit performance with the reliable Ekip Dip LSI electronic trip unit.
The E4.2V 2500 incorporates the Ekip Dip LSI solid-state release, providing long-time overload, short-time selective and instantaneous short-circuit protection. Its adjustable electronic protection functions enable effective coordination with downstream protective devices, supporting selective and dependable operation across complex industrial and commercial distribution networks.
With a rated current of 2500 A and an ultimate short-circuit breaking capacity of 150 kA at 415 V AC and 100 kA at 690 V AC, the E4.2V is engineered for installations with exceptionally high prospective fault currents. This version is a fixed, four-pole breaker with rear horizontal terminals and is supplied with four auxiliary contacts plus circuit-breaker open/closed position indication.
Key Advantages
- High-performance ABB SACE Emax 2 air circuit breaker for demanding low-voltage distribution systems.
- 2500 A rated current for high-current electrical installations.
- Four-pole configuration for comprehensive switching and protection.
- Reliable Ekip Dip LSI electronic trip unit with adjustable protection settings.
- LSI functionality provides long-time overload, short-time selective and instantaneous short-circuit protection.
- 150 kA ultimate short-circuit breaking capacity at 415 V AC.
- 100 kA ultimate short-circuit breaking capacity at 690 V AC.
- Fixed installation with rear horizontal terminals for switchboard integration.
Key Features
- ABB SACE Emax 2 E4.2V frame.
- 2500 A rated current.
- Four-pole construction.
- Fixed circuit-breaker execution.
- Rear horizontal terminals.
- Ekip Dip LSI solid-state electronic protection release.
- Long-time overload protection.
- Short-time selective protection.
- Instantaneous short-circuit protection.
- High breaking capacity for very high fault-level networks.
- Four auxiliary contacts with circuit-breaker open/closed position indication.
- Designed for dependable integration into low-voltage switchboards.
High-Performance Protection for Critical Power Distribution
ABB SACE Emax 2 air circuit breakers protect low-voltage distribution networks against overload and short-circuit conditions while providing dependable switching and isolation. The E4.2V performance level offers exceptionally high breaking capacity, making it suitable for installations where substantial prospective fault currents require robust and reliable interruption capability.
The Ekip Dip LSI release provides long-time overload (L), short-time selective (S) and instantaneous short-circuit (I) protection. Adjustable electronic protection parameters support selective coordination between protective devices, helping maintain continuity of supply while isolating electrical faults within demanding power distribution networks.
Typical Applications
- Main low-voltage distribution switchboards.
- Industrial power distribution systems.
- Manufacturing and process plants.
- Commercial and infrastructure electrical installations.
- Transformer secondary protection.
- Generator and utility distribution systems.
- Very high fault-level electrical networks.
- Critical power and high-current feeder protection.
Technical Specifications
| Series | SACE Emax 2 |
|---|---|
| ABB order code | 1SDA071752R1 |
| Product type | Air circuit breaker (ACB) |
| Frame | E4.2V |
| Rated current | 2500 A |
| Number of poles | 4 |
| Installation | Fixed |
| Terminal arrangement | Rear horizontal |
| Trip unit | Ekip Dip LSI |
| Release type | Solid-state electronic |
| Protection functions | L, S and I |
| Rated operational voltage | 690 V AC |
| Ultimate short-circuit breaking capacity (Icu) | 150 kA at 415 V AC |
| Auxiliary contacts | 4 |
| Product net width | 510 mm |
| Product net height | 371 mm |
| Product net depth | 270 mm |
| Product net weight | 70 kg |
| EAN | 8015644756024 |
Frequently Asked Questions
What is the ABB 1SDA071752R1 used for?
The ABB 1SDA071752R1 is an Emax 2 air circuit breaker designed for switching and protection in high-current low-voltage power distribution systems, particularly where very high short-circuit performance is required.
What is the rated current of this circuit breaker?
The E4.2V circuit breaker has a rated current of 2500 A.
What protection functions does the Ekip Dip LSI trip unit provide?
The Ekip Dip LSI provides long-time overload, short-time selective and instantaneous short-circuit protection, represented by the L, S and I protection functions.
What is the breaking capacity of the ABB 1SDA071752R1?
The E4.2V breaker provides an ultimate short-circuit breaking capacity of 150 kA at 415 V AC and 100 kA at 690 V AC.
How is the ABB E4.2V 2500 1SDA071752R1 installed?
This version is a fixed four-pole air circuit breaker equipped with rear horizontal terminals for integration into low-voltage switchboards.
Trusted for High-Fault-Level Power Distribution
ABB SACE Emax 2 air circuit breakers combine exceptional short-circuit performance, dependable electronic protection and robust construction for demanding industrial, commercial and infrastructure power distribution systems.
