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1SDA072689R1 ABB E1.2B 630 Ekip Hi-Touch LSIG 4p WMP Air Circuit Breaker
ABB 1SDA072689R1 Emax 2 E1.2B 630 A four-pole withdrawable air circuit breaker moving part with Ekip Hi-Touch LSIG electronic protection, integrated earth-fault protection and 42 kA breaking capacity at 400 V AC.
£6,094.09
Why Choose the ABB E1.2B 630 Ekip Hi-Touch LSIG 4p WMP Air Circuit Breaker?
The ABB E1.2B 630 Ekip Hi-Touch LSIG 4p WMP, order code 1SDA072689R1, is a SACE Emax 2 air circuit breaker moving part designed for advanced protection and control of low-voltage electrical distribution systems. Part of the ABB SACE Emax 2 E1.2 series, this four-pole withdrawable breaker combines a 630 A rated uninterrupted current with the advanced Ekip Hi-Touch LSIG electronic trip unit.
The Ekip Hi-Touch LSIG release provides long-time overload, short-time delayed, instantaneous short-circuit and earth-fault protection. Its advanced electronic platform adds sophisticated measurement and monitoring capabilities, while adjustable protection settings support selective coordination and dependable protection of cables, busbars, transformers and other critical distribution equipment.
The E1.2B performance level provides an ultimate short-circuit breaking capacity of 42 kA at 400 V AC. The WMP configuration is a four-pole withdrawable moving part, equipped with four auxiliary changeover contacts and open/closed breaker indication and designed for connection through a compatible separate Emax 2 E1.2 fixed part.
Key Advantages
- Compact ABB SACE Emax 2 E1.2B air circuit breaker for low-voltage power distribution.
- 630 A rated uninterrupted current for industrial and commercial distribution systems.
- Four-pole withdrawable design supports neutral switching and convenient maintenance.
- Advanced Ekip Hi-Touch LSIG electronic trip unit for comprehensive protection and monitoring.
- 42 kA breaking capacity at 400 V AC for dependable short-circuit protection.
- Integrated earth-fault protection provides comprehensive LSIG circuit protection.
- Four auxiliary changeover contacts support switchboard signalling and control.
Key Features
- ABB SACE Emax 2 E1.2B series.
- 630 A rated uninterrupted current.
- Four-pole configuration.
- Withdrawable moving-part execution.
- Ekip Hi-Touch LSIG electronic protection release.
- Long-time overload protection.
- Short-time delayed short-circuit protection.
- Instantaneous short-circuit protection.
- Integrated earth-fault protection.
- 42 kA Icu at 400 V AC.
- 1000 V AC rated insulation voltage.
- 12 kV rated impulse withstand voltage.
Advanced Selective and Earth-Fault Protection
ABB SACE Emax 2 air circuit breakers combine compact construction with sophisticated electronic protection for modern low-voltage distribution systems. The E1.2B frame provides a 630 A current rating and 42 kA breaking capacity at 400 V AC, while the four-pole configuration provides full switching capability for systems incorporating a neutral conductor.
The Ekip Hi-Touch LSIG trip unit combines adjustable long-time, short-time delayed, instantaneous and earth-fault protection with advanced measurement and monitoring functionality. Short-time protection supports selective coordination, while integrated earth-fault protection helps detect and isolate ground faults for comprehensive protection of critical distribution networks.
Typical Applications
- Low-voltage main and sub-distribution switchboards.
- Transformer-fed electrical distribution systems.
- Industrial manufacturing and process installations.
- Commercial building power distribution.
- Data centres and critical power systems.
- Infrastructure and utility distribution panels.
- Four-pole networks requiring advanced selective and earth-fault protection.
Technical Specifications
| Series | SACE Emax 2 E1.2 |
|---|---|
| ABB order code | 1SDA072689R1 |
| Product type | Air circuit breaker moving part |
| Frame | E1.2 |
| Performance level | B |
| Rated uninterrupted current Iu | 630 A |
| Rated voltage | 690 V |
| Rated insulation voltage Ui | 1000 V AC |
| Rated impulse withstand voltage Uimp | 12 kV |
| Number of poles | 4 |
| Neutral pole current | 100% Iu |
| Execution | Withdrawable moving part |
| Trip unit | Ekip Hi-Touch LSIG |
| Release type | Solid-state electronic |
| Protection functions | LSIG |
| Ultimate breaking capacity Icu at 400 V, 50 Hz | 42 kA |
| 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 |
| Earth-fault protection | Integrated |
| Auxiliary contacts | 4 changeover contacts |
| Switched-off indicator | Yes |
| Main-circuit connection | Separate chassis / fixed part |
| Control element | Push button |
| Motor drive | Optional |
| Motor drive integrated | No |
| Integrated undervoltage release | No |
| DIN rail mounting | No |
| Protection rating | IP30 |
| Electrical durability at ≤440 V | 8000 cycles |
| Electrical durability at 500–690 V | 8000 cycles |
| Mechanical durability | 20000 cycles |
| Power loss | 62 W |
| Dimensions (W × H × D) | 348 × 363.5 × 271 mm |
| Net weight | 20 kg |
| EAN | 8015644765392 |
| Product family | Emax 2 Air Circuit Breakers |
Frequently Asked Questions
What is the ABB 1SDA072689R1 used for?
The ABB 1SDA072689R1 is a 630 A four-pole withdrawable Emax 2 air circuit breaker moving part designed for advanced protection and control of low-voltage electrical distribution systems.
What protection unit is fitted to this circuit breaker?
The breaker is fitted with an Ekip Hi-Touch LSIG electronic trip unit, providing long-time overload, short-time delayed, instantaneous short-circuit and integrated earth-fault protection together with advanced measurement and monitoring functionality.
What is the rated current of the E1.2B 1SDA072689R1?
The circuit breaker has a rated uninterrupted current of 630 A, with an overload release adjustment range of 252–630 A.
What is the breaking capacity of this Emax 2 circuit breaker?
The E1.2B provides an ultimate short-circuit breaking capacity of 42 kA at 400 V AC, 50 Hz.
Is the ABB 1SDA072689R1 a fixed or withdrawable breaker?
This model is the four-pole withdrawable moving part of the Emax 2 circuit breaker system and connects to the main circuit through a separate compatible E1.2 fixed part.
Trusted Protection for Low-Voltage Power Distribution
ABB SACE Emax 2 air circuit breakers combine compact construction, advanced electronic protection and dependable short-circuit performance, making them a versatile solution for industrial, commercial and critical low-voltage electrical distribution systems.
