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1SDA072054R1 ABB Emax 2 E1.2B 630 Ekip Touch LI 3-Pole Withdrawable Air Circuit Breaker
ABB 1SDA072054R1 is an Emax 2 E1.2B 630 A three-pole withdrawable air circuit breaker moving part with an Ekip Touch LI electronic trip unit for overload and instantaneous short-circuit protection.
£2,166.80
Why Choose the ABB 1SDA072054R1 Emax 2 Air Circuit Breaker?
The ABB 1SDA072054R1 is a high-performance Emax 2 E1.2B air circuit breaker designed for protection, switching and isolation in low-voltage electrical distribution systems. This three-pole withdrawable circuit breaker moving part has a rated uninterrupted current of 630 A and incorporates an advanced Ekip Touch LI electronic trip unit providing long-time overload and instantaneous short-circuit protection.
As part of the advanced ABB Emax 2 series, the E1.2 platform combines compact dimensions with dependable circuit protection for industrial, commercial and infrastructure switchboards. The B performance level provides an ultimate short-circuit breaking capacity of 42 kA at 440 V AC, together with a rated short-time withstand current of 42 kA for 1 s.
The E1.2B 630 Ekip Touch LI 3p WMP is supplied as the moving part of a withdrawable circuit-breaker system for use with a compatible Emax 2 fixed part. Its withdrawable construction supports serviceable switchboard designs by allowing the circuit breaker to be disconnected and removed from its fixed part for inspection or maintenance.
Key Advantages
- Compact 630 A Emax 2 air circuit breaker for low-voltage power distribution.
- Three-pole configuration for three-phase electrical systems.
- Ekip Touch LI electronic trip unit provides long-time and instantaneous current protection.
- Ultimate short-circuit breaking capacity of 42 kA at 440 V AC.
- 42 kA short-time withstand current for 1 s supports coordinated distribution protection.
- Withdrawable moving-part execution facilitates isolation, inspection and maintenance.
Key Features
- ABB Emax 2 E1.2B series.
- 630 A rated uninterrupted current.
- Three-pole construction.
- Ekip Touch LI electronic protection release.
- Long-time overload and instantaneous short-circuit protection functions.
- Touch interface for protection configuration and operating information.
- 42 kA ultimate breaking capacity at 440 V AC.
- 42 kA rated short-time withstand current for 1 s.
- Withdrawable moving-part configuration.
- Designed for use with a compatible Emax 2 E1.2 fixed part.
Reliable Protection for Low-Voltage Distribution Systems
Air circuit breakers such as the ABB Emax 2 E1.2 protect low-voltage distribution systems against abnormal current conditions while providing dependable switching and isolation. The Ekip Touch LI electronic release provides long-time overload and instantaneous short-circuit protection, helping safeguard cables, busbars, transformers and connected electrical equipment.
The withdrawable E1.2 platform is particularly useful in switchboards where serviceability and operational flexibility are important. The moving circuit breaker can be disconnected from its compatible fixed part and withdrawn for inspection or maintenance while the fixed switchboard connections remain installed.
Typical Applications
- Low-voltage main distribution switchboards.
- Industrial power distribution systems.
- Transformer secondary protection.
- Distribution feeder protection.
- Commercial and infrastructure electrical systems.
- Manufacturing and process-industry switchgear.
Technical Specifications
| Series | Emax 2 |
|---|---|
| ABB order code | 1SDA072054R1 |
| Product type | Air circuit breaker |
| Frame | E1.2 |
| Performance level | B |
| Rated uninterrupted current | 630 A |
| Number of poles | 3 |
| Trip unit | Ekip Touch LI |
| Protection functions | L, I |
| Ultimate short-circuit breaking capacity | 42 kA at 440 V AC |
| Rated short-time withstand current | 42 kA for 1 s |
| Execution | Withdrawable moving part |
| Installation | For compatible Emax 2 E1.2 fixed part |
| Standard | IEC 60947-2 |
Frequently Asked Questions
What is the ABB 1SDA072054R1?
The ABB 1SDA072054R1 is an Emax 2 E1.2B three-pole withdrawable air circuit breaker moving part rated at 630 A and equipped with an Ekip Touch LI electronic trip unit.
What protection functions does the Ekip Touch LI trip unit provide?
The Ekip Touch LI electronic release provides long-time overload (L) and instantaneous short-circuit (I) protection functions.
What is the breaking capacity of the ABB E1.2B 630?
The E1.2B configuration provides an ultimate short-circuit breaking capacity of 42 kA at 440 V AC.
Is the ABB 1SDA072054R1 fixed or withdrawable?
The 1SDA072054R1 is a withdrawable moving-part circuit breaker designed for use with a compatible ABB Emax 2 E1.2 fixed part.
How many poles does the ABB 1SDA072054R1 have?
The circuit breaker has three poles and is designed for protection and switching in three-phase low-voltage electrical distribution systems.
Trusted by Electrical Distribution Professionals Worldwide
ABB Emax 2 air circuit breakers are widely used in industrial, commercial and infrastructure electrical systems where dependable switching, advanced electronic protection and maintainable low-voltage distribution equipment are required.
