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1SDA072091R1 ABB E1.2B 800 Ekip Dip LI 3p WMP Air Circuit Breaker
ABB 1SDA072091R1 Emax 2 E1.2B 800 three-pole withdrawable air circuit breaker moving part with an 800 A rated current, 42 kA short-circuit breaking capacity and Ekip Dip LI electronic protection.
£2,332.34
Why Choose the ABB E1.2B 800 Ekip Dip LI 3p WMP Air Circuit Breaker?
The ABB E1.2B 800 Ekip Dip LI 3p WMP, order code 1SDA072091R1, is a withdrawable Emax 2 air circuit breaker (ACB) designed for reliable protection and switching in low-voltage electrical distribution systems. As part of the ABB SACE Emax 2 series, this three-pole moving part combines an 800 A rated current with an Ekip Dip LI solid-state electronic release for dependable overload and instantaneous short-circuit protection.
The compact E1.2B platform is engineered for industrial and commercial switchboards requiring high performance within a space-efficient design. Its Ekip Dip LI electronic trip unit provides adjustable long-time overload and instantaneous short-circuit protection, with straightforward DIP-switch adjustment for configuring the required protection thresholds.
With a rated uninterrupted current of 800 A, a three-pole configuration and an ultimate short-circuit breaking capacity of 42 kA at 380–690 V AC, the E1.2B 800 provides dependable circuit protection across a wide range of low-voltage systems. The WMP withdrawable moving-part configuration is designed for use with the corresponding Emax 2 fixed part, supporting convenient isolation, inspection and maintenance within withdrawable switchgear assemblies.
Key Advantages
- Compact ABB Emax 2 air circuit breaker for low-voltage power distribution.
- 800 A rated uninterrupted current for industrial and commercial distribution circuits.
- 42 kA short-circuit breaking capacity across key operating voltages up to 690 V AC.
- Three-pole configuration for three-phase electrical systems.
- Reliable Ekip Dip LI electronic trip unit.
- Adjustable long-time overload and instantaneous short-circuit protection.
- DIP-switch adjustment provides straightforward protection configuration.
- Withdrawable moving-part construction supports convenient isolation, inspection and maintenance.
Key Features
- ABB SACE Emax 2 E1.2B air circuit breaker moving part.
- 800 A rated current.
- Three-pole (3P) configuration.
- 690 V AC rated operational voltage.
- 1000 V AC rated insulation voltage.
- 12 kV rated impulse withstand voltage.
- 42 kA short-circuit breaking capacity.
- Ekip Dip LI solid-state electronic protection release.
- Adjustable long-time overload protection from 0.4–1 × In.
- Adjustable instantaneous protection from 1.5–15 × In.
- Withdrawable moving part (WMP) for switchboard applications.
- Fitted with four auxiliary contacts and circuit-breaker open/closed position indication.
Reliable Protection for Low-Voltage Power Distribution
Air circuit breakers such as the ABB Emax 2 E1.2B provide switching, isolation and protection for important circuits within low-voltage electrical distribution systems. The combination of an 800 A current rating and 42 kA short-circuit breaking capability makes this model suitable for incoming supplies, distribution feeders and other applications where dependable fault interruption is essential.
The Ekip Dip LI electronic trip unit provides straightforward adjustable protection without unnecessary complexity. Long-time protection responds to sustained overload conditions, while instantaneous protection provides rapid interruption of severe short circuits. Combined with the withdrawable Emax 2 construction, this provides an effective solution for switchboards requiring dependable protection and convenient maintainability.
Typical Applications
- Low-voltage distribution switchboards.
- Industrial power distribution systems.
- Commercial building electrical distribution.
- Incoming and outgoing feeder protection.
- Manufacturing and production facilities.
- Infrastructure electrical systems.
- Process and automation installations.
- Withdrawable switchgear requiring convenient isolation and maintenance.
Technical Specifications
| Product group | Emax2 Air Circuit Breaker |
|---|---|
| Series | SACE Emax 2 |
| ABB order code | 1SDA072091R1 |
| EAN | 8015644759414 |
| Product type | Air circuit breaker moving part |
| Frame | E1.2 |
| Short-circuit performance level | B |
| Rated current (In) | 800 A |
| Rated uninterrupted current (Iu) | 800 A |
| Number of poles | 3 |
| Current type | AC |
| Rated operational voltage | 690 V AC |
| Rated insulation voltage (Ui) | 1000 V AC |
| Rated impulse withstand voltage (Uimp) | 12 kV |
| Ultimate short-circuit breaking capacity (Icu) | 42 kA at 380–690 V AC |
| Service short-circuit breaking capacity (Ics) | 42 kA at 380–690 V AC |
| Trip unit | Ekip Dip LI |
| Release type | Electronic / solid-state |
| Protection functions | Long-time and instantaneous (LI) |
| Overload protection adjustment | 0.4–1 × In |
| Instantaneous protection adjustment | 1.5–15 × In |
| Execution | Withdrawable moving part (WMP) |
| Auxiliary contacts | 4 |
| Mechanical durability | 20,000 operating cycles |
| Electrical durability | 8,000 operating cycles |
| Power loss | 100 W |
| Dimensions (W × H × D) | 278 × 363.5 × 271 mm |
| Net weight | 18 kg |
| Standard | IEC 60947-2 |
| Suitable for IT networks | Yes, up to 690 V |
Frequently Asked Questions
What is the ABB 1SDA072091R1 used for?
The ABB 1SDA072091R1 is an Emax 2 air circuit breaker moving part designed for switching and protecting three-phase low-voltage electrical distribution circuits in industrial and commercial switchboards.
What is the rated current of the ABB E1.2B 800?
The circuit breaker has a rated uninterrupted current of 800 A.
What protection unit does the 1SDA072091R1 use?
The breaker uses an Ekip Dip LI solid-state electronic trip unit providing adjustable long-time overload and instantaneous short-circuit protection.
What is the breaking capacity of the ABB E1.2B 800?
The E1.2B 800 has a short-circuit breaking capacity of 42 kA at operating voltages from 380 to 690 V AC.
What does WMP mean on the ABB E1.2B 800?
WMP identifies the withdrawable moving part of the circuit breaker, designed for installation with the corresponding fixed part in an ABB Emax 2 withdrawable switchgear assembly.
Trusted Circuit Protection from ABB
ABB SACE Emax 2 air circuit breakers combine dependable low-voltage circuit protection with electronic trip technology and flexible withdrawable switchgear integration for modern industrial and commercial power distribution systems.
