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1SDA071491R1 ABB Emax 2 E1.2B 1600A Ekip Dip LI 4P Air Circuit Breaker
ABB 1SDA071491R1 is a SACE Emax 2 E1.2B 1600 A fixed four-pole air circuit breaker with front terminals, an Ekip Dip LI electronic trip unit, 690 V AC rated operational voltage and 42 kA breaking capacity across 380–690 V AC.
£5,116.04
Why Choose the ABB 1SDA071491R1 Emax 2 Air Circuit Breaker?
The ABB 1SDA071491R1 is a robust SACE Emax 2 E1.2B air circuit breaker (ACB) designed for dependable protection and control of low-voltage electrical distribution systems. Rated at 1600 A, this fixed four-pole circuit breaker combines ABB’s compact E1.2 frame with the Ekip Dip LI solid-state electronic trip unit for adjustable overload and instantaneous short-circuit protection.
As part of the ABB SACE Emax 2 series, the E1.2B provides high current capacity in a compact air circuit breaker platform. The Ekip Dip LI release offers straightforward electronic protection without the complexity of a touchscreen interface, with long-time overload and instantaneous protection thresholds configured using DIP switches.
With a rated uninterrupted current of 1600 A, rated operational voltage of 690 V AC and rated ultimate short-circuit breaking capacity of 42 kA across 380–690 V AC, the 1SDA071491R1 provides reliable fault protection across a broad range of low-voltage applications. This version features a fixed four-pole configuration with front terminals, making it suitable for main incomers, transformer secondary circuits and distribution feeders.
Key Advantages
- High-current 1600 A air circuit breaker for low-voltage power distribution.
- 42 kA ultimate short-circuit breaking capacity across 380–690 V AC.
- 42 kA rated short-time withstand current for 1 s supports effective protection coordination.
- Ekip Dip LI electronic trip unit provides adjustable overload and instantaneous short-circuit protection.
- DIP-switch adjustment provides straightforward protection configuration and commissioning.
- Four-pole fixed configuration with front terminals supports efficient switchboard integration.
- 100% Ics-to-Icu performance provides strong service short-circuit breaking capability.
Key Features
- ABB SACE Emax 2 E1.2B air circuit breaker.
- 1600 A rated uninterrupted current.
- 690 V AC rated operational voltage.
- 1000 V AC rated insulation voltage.
- 12 kV rated impulse withstand voltage.
- 42 kA Icu across 380–690 V AC.
- 42 kA Ics across 380–690 V AC.
- 42 kA Icw for 1 s.
- Ekip Dip LI solid-state electronic release.
- Adjustable long-time overload protection from 640–1600 A.
- Adjustable instantaneous short-circuit protection from 2400–24,000 A.
- Protection thresholds configured using DIP switches.
- Fixed four-pole construction with 100% neutral pole current rating.
- Front terminals with bolted main-circuit connections.
- Supplied with four auxiliary contacts and open/closed circuit-breaker position indication.
- Designed in accordance with IEC 60947-2.
Reliable High-Current Power Distribution Protection
Air circuit breakers such as the ABB SACE Emax 2 E1.2B protect important low-voltage distribution circuits against damaging overload and short-circuit conditions. The 1SDA071491R1 combines a 1600 A continuous-current rating with 42 kA ultimate and service short-circuit breaking capability across 380–690 V AC, making it suitable for high-current main incomers, transformer secondary circuits and distribution feeders.
The Ekip Dip LI electronic trip unit provides adjustable long-time overload and instantaneous short-circuit protection in a straightforward format. Protection thresholds are configured using DIP switches, making this breaker particularly suitable for installations requiring dependable electronic protection without integrated short-time delayed or ground-fault functions.
Typical Applications
- Main incoming protection for low-voltage switchboards.
- Industrial electrical distribution systems.
- Commercial building power distribution.
- Transformer secondary protection.
- Manufacturing and process facilities.
- High-current distribution feeders and sub-main circuits.
- Infrastructure and utility installations.
- IEC low-voltage switchgear and controlgear assemblies.
Technical Specifications
| Series | SACE Emax 2 |
|---|---|
| Frame / sub-type | E1.2B |
| Order code / MPN | 1SDA071491R1 |
| EAN / GTIN | 8015644753412 |
| Product type | Air circuit breaker |
| Short-circuit performance level | B |
| Rated current (In) | 1600 A |
| Rated uninterrupted current (Iu) | 1600 A |
| Rated operational voltage (Ue) | 690 V AC |
| Rated insulation voltage (Ui) | 1000 V AC |
| Rated impulse withstand voltage (Uimp) | 12 kV |
| Frequency | 50 / 60 Hz |
| Rated ultimate short-circuit breaking capacity (Icu) at 380 V AC | 42 kA |
| Rated ultimate short-circuit breaking capacity (Icu) at 400–415 V AC | 42 kA |
| Rated ultimate short-circuit breaking capacity (Icu) at 440 V AC | 42 kA |
| Rated ultimate short-circuit breaking capacity (Icu) at 500–525 V AC | 42 kA |
| Rated ultimate short-circuit breaking capacity (Icu) at 690 V AC | 42 kA |
| Rated service short-circuit breaking capacity (Ics) at 380–690 V AC | 42 kA |
| Ics as percentage of Icu | 100% |
| Rated short-time withstand current (Icw) for 1 s | 42 kA |
| Rated short-time withstand current (Icw) for 3 s | 24 kA |
| Number of poles | 4 |
| Neutral pole current | 100% of Iu |
| Trip unit | Ekip Dip LI |
| Release type | Solid-state electronic |
| Protection functions | LI |
| Overload protection adjustment | 0.4–1 × In |
| Overload protection adjustment range | 640–1600 A |
| Instantaneous protection adjustment | 1.5–15 × In |
| Instantaneous protection adjustment range | 2400–24,000 A |
| Short-time delayed protection | No |
| Integrated ground-fault protection | No |
| Protection setting method | DIP switches |
| Current type | AC |
| Installation version | Fixed |
| Terminal configuration | Front terminals |
| Terminal type | Bolt |
| Terminal tightening torque | 45 N·m |
| Connecting capacity | 1200 mm² |
| Auxiliary contacts | 4 |
| Circuit-breaker position indication | Open / closed |
| Degree of protection | IP30 |
| Power loss | 201 W |
| Mechanical durability | 20,000 operating cycles |
| Suitable for IT networks | Yes, up to 690 V |
| Net weight | 11 kg |
| Country of origin | Italy |
| Standard | IEC 60947-2 |
Frequently Asked Questions
What is the ABB 1SDA071491R1 used for?
The ABB 1SDA071491R1 is a 1600 A Emax 2 air circuit breaker designed to protect and control high-current low-voltage electrical distribution circuits in industrial, commercial and infrastructure switchboards.
What is the current rating of the ABB 1SDA071491R1?
The circuit breaker has a rated uninterrupted current of 1600 A and a rated operational voltage of 690 V AC.
What breaking capacity does the E1.2B 1600 provide?
The E1.2B 1600 has a rated ultimate short-circuit breaking capacity of 42 kA across 380–690 V AC. Its rated short-time withstand current is 42 kA for 1 s.
What protection does the Ekip Dip LI trip unit provide?
The Ekip Dip LI solid-state electronic trip unit provides adjustable long-time overload and instantaneous short-circuit protection. This LI configuration does not include short-time delayed or integrated ground-fault protection.
Is the ABB 1SDA071491R1 a fixed or withdrawable circuit breaker?
The 1SDA071491R1 is a fixed four-pole air circuit breaker with front terminals for integration into low-voltage switchboards and distribution assemblies.
Trusted High-Performance Circuit Protection
ABB SACE Emax 2 air circuit breakers combine dependable electronic protection, high-current capability, strong short-circuit performance and compact construction for modern industrial, commercial and infrastructure low-voltage distribution systems.
