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1SDA072068R1 ABB Emax 2 E1.2C 630 Ekip Hi-Touch LSI 3-Pole Withdrawable Air Circuit Breaker
ABB 1SDA072068R1 is an Emax 2 E1.2C 630 A three-pole withdrawable air circuit breaker moving part with an Ekip Hi-Touch LSI electronic trip unit for advanced overload and short-circuit protection.
£5,055.84
Why Choose the ABB 1SDA072068R1 Emax 2 Air Circuit Breaker?
The ABB 1SDA072068R1 is a high-performance Emax 2 E1.2C 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 Hi-Touch LSI electronic trip unit providing long-time, short-time and instantaneous protection.
As part of the advanced ABB Emax 2 series, the E1.2 platform combines compact dimensions with sophisticated electronic protection for industrial, commercial and infrastructure switchboards. The C performance level provides an ultimate short-circuit breaking capacity of 50 kA at 400–440 V AC, while the Ekip Hi-Touch release provides advanced protection, measurement and system-management capabilities.
The E1.2C 630 Ekip Hi-Touch LSI 3p WMP is supplied as the moving part of a withdrawable circuit-breaker system for connection through a compatible separate fixed part. With a rated operational voltage of 690 V AC, three-pole construction and adjustable LSI protection, it is well suited to main incomers and distribution feeders where dependable protection and convenient maintainability are required.
Key Advantages
- Compact 630 A Emax 2 air circuit breaker for low-voltage power distribution.
- Three-pole configuration for three-phase electrical systems.
- Ekip Hi-Touch LSI electronic trip unit provides advanced long-time, short-time and instantaneous protection.
- Ultimate short-circuit breaking capacity of 50 kA at 400–440 V AC.
- 42 kA short-time withstand capability for 1 s supports selective distribution architectures.
- Withdrawable moving-part execution facilitates circuit-breaker isolation, inspection and maintenance.
Key Features
- ABB Emax 2 E1.2C series.
- 630 A rated uninterrupted current.
- Three-pole construction.
- Ekip Hi-Touch LSI electronic protection release.
- Long-time overload, short-time delayed and instantaneous short-circuit protection.
- 690 V AC rated operational voltage.
- 50 kA ultimate breaking capacity at 400–440 V AC.
- 42 kA ultimate breaking capacity at 690 V AC.
- 42 kA rated short-time withstand current for 1 s.
- Withdrawable moving-part configuration for use with a compatible Emax 2 E1.2 fixed part.
- Four change-over auxiliary contacts and circuit-breaker open/closed position indication.
Advanced Protection for Low-Voltage Distribution Systems
Air circuit breakers such as the ABB Emax 2 E1.2 protect low-voltage electrical systems against abnormal current conditions while providing dependable switching and isolation. The Ekip Hi-Touch LSI electronic release combines long-time overload, short-time delayed 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 connects through a compatible separate fixed part and can be 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 and incomer protection.
- Distribution feeder protection.
- Commercial and infrastructure electrical systems.
- Manufacturing and process-industry switchgear.
Technical Specifications
| Series | Emax 2 |
|---|---|
| ABB order code | 1SDA072068R1 |
| EAN | 8015644759186 |
| Product type | Air circuit breaker |
| Frame | E1.2 |
| Performance level | C |
| Rated uninterrupted current | 630 A |
| Rated operational voltage | 690 V AC |
| Rated insulation voltage | 1000 V AC |
| Rated impulse withstand voltage | 12 kV |
| Number of poles | 3 |
| Trip unit | Ekip Hi-Touch LSI |
| Release type | Electronic |
| Protection functions | L, S, I |
| Overload release adjustment range | 252–630 A |
| Short-time delayed short-circuit adjustment range | 378–6300 A |
| Instantaneous short-circuit adjustment range | 945–9450 A |
| Integrated earth-fault protection | No |
| Ultimate short-circuit breaking capacity | 50 kA at 400–440 V AC |
| Service short-circuit breaking capacity | 100% of Icu |
| Rated short-time withstand current | 42 kA for 1 s; 24 kA for 3 s |
| Execution | Withdrawable moving part |
| Main circuit connection | Through compatible separate fixed part |
| Auxiliary contacts | 4 change-over contacts |
| Circuit-breaker indication | Open / closed position |
| Standard | IEC 60947-2 |
Frequently Asked Questions
What is the ABB 1SDA072068R1?
The ABB 1SDA072068R1 is an Emax 2 E1.2C three-pole withdrawable air circuit breaker moving part rated at 630 A and equipped with an Ekip Hi-Touch LSI electronic trip unit.
What protection functions does the Ekip Hi-Touch LSI trip unit provide?
The Ekip Hi-Touch LSI release provides long-time (L), short-time (S) and instantaneous (I) protection functions. This specific LSI version does not incorporate earth-fault protection.
What is the breaking capacity of the ABB E1.2C 630?
The E1.2C configuration provides an ultimate short-circuit breaking capacity of 50 kA at 400–440 V AC and 42 kA at 690 V AC.
Is the ABB 1SDA072068R1 fixed or withdrawable?
The 1SDA072068R1 is a withdrawable moving-part air circuit breaker designed to connect to the main electrical circuit through a compatible separate fixed part.
What are the adjustable protection ranges of the ABB 1SDA072068R1?
The overload release can be adjusted from 252–630 A, the short-time delayed short-circuit release from 378–6300 A, and the instantaneous short-circuit release from 945–9450 A.
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.
