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1SDA104412R1 ABB E4.2H/E9 4000 Ekip Dip LSI 4p FHR Air Circuit Breaker
ABB 1SDA104412R1 E4.2H/E9 4000 Ekip Dip LSI four-pole fixed Emax 2 air circuit breaker rated at 4000 A with 75 kA breaking capacity at 900 V AC for high-current power distribution systems.
£26,854.93
Why Choose the ABB E4.2H/E9 4000 Ekip Dip LSI 4p FHR Air Circuit Breaker?
The ABB 1SDA104412R1 is a high-performance SACE Emax 2 air circuit breaker (ACB) designed for reliable protection and switching in demanding low-voltage power distribution systems. Identified as the E4.2H/E9 4000 Ekip Dip LSI 4p FHR, this fixed four-pole circuit breaker combines a 4000 A rated current with the ABB Ekip Dip LSI electronic trip unit for dependable protection of high-current industrial, commercial and infrastructure electrical networks.
As part of the advanced ABB SACE Emax 2 series, the breaker is engineered for power distribution applications requiring high breaking performance, selective protection and dependable operation. The Ekip Dip LSI trip unit provides long-time, short-time and instantaneous overcurrent protection, helping safeguard cables, busbars, transformers and other electrical equipment against overload and short-circuit conditions.
Designed for applications up to 900 V AC, the E4.2H/E9 has a rated uninterrupted current of 4000 A and an ultimate short-circuit breaking capacity of 75 kA at 900 V AC. Its four-pole fixed construction and rear horizontal terminal arrangement make it suitable for high-current three-phase systems where switching of the neutral conductor is required.
Key Advantages
- High-performance ABB SACE Emax 2 air circuit breaker for demanding power distribution applications.
- 4000 A rated uninterrupted current for high-current electrical systems.
- Designed for electrical distribution applications up to 900 V AC.
- 75 kA ultimate short-circuit breaking capacity at 900 V AC.
- Ekip Dip LSI electronic trip unit provides overload and short-circuit protection.
- Four-pole configuration for three-phase systems requiring neutral switching.
- Fixed installation with rear horizontal terminals for integration into switchboards and power distribution assemblies.
Key Features
- ABB SACE Emax 2 E4.2H air circuit breaker.
- 4000 A rated uninterrupted current.
- Designed for applications up to 900 V AC.
- 75 kA Icu at 900 V AC.
- Ekip Dip LSI electronic trip unit.
- Long-time, short-time and instantaneous overcurrent protection functions.
- 4-pole fixed construction for three-phase and neutral power systems.
- Rear horizontal terminals for switchboard power connections.
- Part of ABB's modular Emax 2 platform for high-current low-voltage power distribution.
Reliable Circuit Protection for Power Distribution
Air circuit breakers such as the ABB SACE Emax 2 protect high-current electrical distribution networks against overloads and short circuits while also providing controlled switching and isolation. The E4.2H/E9 platform is designed for demanding installations with substantial prospective fault currents, making it suitable for main distribution boards, industrial switchgear and other critical power distribution equipment.
The Ekip Dip LSI electronic trip unit provides long-time, short-time and instantaneous protection functions. These functions enable the breaker to respond to different overload and short-circuit conditions while supporting coordinated protection within complex low-voltage distribution systems.
Typical Applications
- Main low-voltage power distribution switchboards.
- Industrial electrical distribution systems.
- High-current three-phase and neutral power networks.
- Manufacturing and process plant switchgear.
- Commercial and infrastructure power distribution.
- Generator and transformer distribution systems.
- Large industrial facilities and critical power systems.
- OEM switchboards and electrical panel assemblies.
Technical Specifications
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| Device Type | ACB | |
|---|---|---|
| Voltage | 900 V AC | |
| Series | SACE Emax 2 | |
| Product group | Emax2 Air Circuit Breaker | |
| Order code | 1SDA104412R1 | |
| Product type | Air circuit breaker | |
| Frame / size | E4.2H | |
| Rated uninterrupted current | 4000 A | |
| Rated voltage | 900 V AC | |
| Ultimate short-circuit breaking capacity (Icu) at 900 V AC | 75 kA | |
| Number of poles | 4 | |
| Trip unit | Ekip Dip LSI | |
| Protection functions | LSI – long-time, short-time and instantaneous | |
| Installation | Fixed | |
| Main terminals | Rear horizontal |
Frequently Asked Questions
What is the ABB 1SDA104412R1 used for?
The ABB 1SDA104412R1 is an Emax 2 air circuit breaker designed for protection, switching and isolation in high-current low-voltage electrical distribution systems.
What is the current rating of the ABB E4.2H/E9 4000?
The circuit breaker has a rated uninterrupted current of 4000 A, making it suitable for demanding high-current industrial and commercial power distribution applications.
What breaking capacity does the ABB 1SDA104412R1 provide?
The E4.2H/E9 circuit breaker provides an ultimate short-circuit breaking capacity of 75 kA at 900 V AC.
What protection functions does the Ekip Dip LSI trip unit provide?
The Ekip Dip LSI electronic trip unit provides long-time overload, short-time short-circuit and instantaneous short-circuit protection.
How many poles does the ABB 1SDA104412R1 have?
The 1SDA104412R1 is a four-pole fixed air circuit breaker, making it suitable for three-phase electrical systems where switching of the neutral conductor is required.
Trusted Power Protection from ABB
ABB SACE Emax 2 air circuit breakers are engineered for dependable protection, switching and control in demanding low-voltage power distribution systems, combining high breaking performance with advanced electronic protection technology.
