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1SDA071755R1 ABB E4.2V 2500 Ekip Touch LSI 4P FHR Air Circuit Breaker
ABB 1SDA071755R1 is a SACE Emax 2 E4.2V 2500 A four-pole fixed air circuit breaker with rear horizontal terminals and an Ekip Touch LSI electronic trip unit for advanced low-voltage power distribution protection.
£14,690.31
Why Choose the ABB 1SDA071755R1 Emax 2 Air Circuit Breaker?
The ABB 1SDA071755R1 is a high-performance SACE Emax 2 E4.2V air circuit breaker designed for protection and switching in demanding low-voltage power distribution systems. Configured as an E4.2V 2500 Ekip Touch LSI 4p FHR, it combines a rated current of 2500 A with ABB's advanced Ekip Touch LSI electronic trip unit.
This four-pole fixed circuit breaker provides LSI protection functions, covering long-time overload, short-time short-circuit and instantaneous short-circuit protection. The Ekip Touch electronic release combines dependable circuit protection with advanced monitoring and user-interface capabilities, making the breaker well suited to sophisticated industrial, commercial and infrastructure distribution systems.
With an E4.2V high-performance frame and a rated ultimate short-circuit breaking capacity of up to 150 kA, the 1SDA071755R1 is engineered for installations with very high prospective fault currents. Its fixed four-pole construction features rear horizontal terminals and is fitted with four auxiliary contacts and circuit-breaker open/closed position indication.
Key Advantages
- High-performance ABB SACE Emax 2 E4.2V air circuit breaker for demanding power distribution systems.
- 2500 A rated current for high-current electrical installations.
- High fault interruption performance with a rated ultimate short-circuit breaking capacity of up to 150 kA.
- Advanced Ekip Touch LSI electronic trip unit for comprehensive overload and short-circuit protection.
- LSI protection functions provide long-time, short-time and instantaneous protection.
- Four-pole fixed configuration with rear horizontal terminals for switchboard integration.
Key Features
- ABB SACE Emax 2 E4.2V series.
- 2500 A rated current.
- Four-pole configuration.
- Fixed mounting construction.
- Rear horizontal terminals (FHR).
- Ekip Touch LSI electronic trip unit.
- LSI protection for long-time overload, short-time short-circuit and instantaneous short-circuit conditions.
- 690 V AC rated operational voltage.
- Rated ultimate short-circuit breaking capacity of up to 150 kA.
- Fitted with four auxiliary contacts and circuit-breaker open/closed position indication.
High-Performance Protection for Low-Voltage Power Distribution
Air circuit breakers such as the ABB SACE Emax 2 protect high-current low-voltage electrical networks against overloads and short circuits while providing switching and isolation functions within power distribution assemblies. The E4.2V performance level provides very high fault interruption capability, making it suitable for installations where high prospective short-circuit currents demand robust and dependable protection.
The Ekip Touch LSI electronic trip unit provides long-time overload, short-time short-circuit and instantaneous short-circuit protection. Combined with the Emax 2 architecture, the 1SDA071755R1 provides a versatile solution for main distribution switchboards, industrial power systems and critical electrical infrastructure requiring advanced electronic protection.
Typical Applications
- Main incoming protection for low-voltage switchboards.
- Industrial power distribution systems.
- High-current feeder protection.
- Manufacturing and process industry electrical systems.
- Commercial and infrastructure power distribution.
- Installations with high prospective short-circuit currents.
Technical Specifications
| Series | SACE Emax 2 |
|---|---|
| Frame | E4.2V |
| ABB order code | 1SDA071755R1 |
| Product type | Air circuit breaker |
| Rated current | 2500 A |
| Number of poles | 4 |
| Trip unit | Ekip Touch LSI |
| Release type | Solid-state electronic |
| Protection functions | LSI |
| Rated operational voltage | 690 V AC |
| Rated ultimate short-circuit breaking capacity | up to 150 kA |
| Mounting version | Fixed |
| Terminal arrangement | Rear horizontal |
| Auxiliary contacts | 4 |
| Power loss | 425 W |
| Dimensions | 510 × 371 × 270 mm |
| Standard | IEC 60947-2 |
| EAN | 8015644756055 |
| Product group | Emax2 Air Circuit Breaker |
Frequently Asked Questions
What is the ABB 1SDA071755R1 used for?
The ABB 1SDA071755R1 is a 2500 A four-pole air circuit breaker designed for protection and switching in high-current low-voltage power distribution systems.
What trip unit is fitted to the ABB 1SDA071755R1?
The circuit breaker is fitted with an Ekip Touch LSI electronic trip unit for advanced overload and short-circuit protection.
What protection functions does the Ekip Touch LSI provide?
The LSI configuration provides long-time overload, short-time short-circuit and instantaneous short-circuit protection.
What is the current rating of the ABB 1SDA071755R1?
The E4.2V circuit breaker has a rated current of 2500 A.
What is the breaking capacity of this Emax 2 circuit breaker?
The E4.2V performance level provides a rated ultimate short-circuit breaking capacity of up to 150 kA, making it suitable for demanding high-fault-level distribution systems.
Is the ABB 1SDA071755R1 fixed or withdrawable?
This model is a fixed four-pole circuit breaker equipped with rear horizontal terminals.
Trusted by Power Distribution Professionals Worldwide
ABB SACE Emax 2 air circuit breakers are widely specified for reliable protection, switching and management of demanding low-voltage electrical networks, combining high fault interruption performance with advanced electronic protection for industrial, commercial and infrastructure power distribution systems.
