Standard delivery
£8 ex VAT · free over £200UK parcel delivery is £8 ex VAT, or free on orders over £200 ex VAT.
Heavier items may be charged at a weight-based or pallet rate, shown at checkout.
1SDA071372R1 ABB E1.2B 800 Ekip Dip LSI 4p F F Air Circuit Breaker
ABB 1SDA071372R1 SACE Emax 2 E1.2B 800 four-pole fixed air circuit breaker with front terminals, Ekip Dip LSI electronic protection, 800 A rated current and 42 kA ultimate short-circuit breaking capacity.
£4,709.77
Why Choose the ABB E1.2B 800 Ekip Dip LSI 4p F F Air Circuit Breaker?
The ABB E1.2B 800 Ekip Dip LSI 4p F F, order code 1SDA071372R1, is a compact SACE Emax 2 air circuit breaker (ACB) designed for protection, switching and isolation in low-voltage electrical distribution systems. This fixed four-pole E1.2B breaker combines an 800 A rated uninterrupted current with ABB's Ekip Dip LSI solid-state electronic trip unit.
The Ekip Dip LSI release provides long-time overload, short-time delayed short-circuit and instantaneous short-circuit protection. Adjustable settings allow the breaker to be coordinated with the protected circuit and other protective devices, supporting selective fault clearance in industrial and commercial power distribution systems.
The E1.2B performance level provides an ultimate short-circuit breaking capacity of 42 kA from 400 to 690 V AC, together with a 42 kA short-time withstand current for 1 s. Its fixed four-pole construction, front terminals and compact E1.2 frame make it suitable for incoming feeders, distribution switchboards and applications requiring four-pole switching and dependable LSI protection.
Key Advantages
- Compact 800 A SACE Emax 2 air circuit breaker for low-voltage power distribution.
- Ekip Dip LSI solid-state electronic release provides adjustable overload and short-circuit protection.
- Long-time, short-time delayed and instantaneous protection functions.
- 42 kA ultimate short-circuit breaking capacity from 400 to 690 V AC.
- 42 kA short-time withstand current for 1 s.
- Four-pole configuration with the neutral pole rated at 100% of the breaker current.
- Fixed construction with front terminals for straightforward switchboard integration.
Key Features
- ABB SACE Emax 2 E1.2B series.
- 800 A rated uninterrupted current (Iu).
- 4-pole configuration.
- 100% neutral-pole current rating.
- Fixed circuit breaker construction.
- Front terminals.
- Ekip Dip LSI electronic trip unit.
- Long-time (L) overload protection.
- Short-time (S) delayed short-circuit protection.
- Instantaneous (I) short-circuit protection.
- 320–800 A overload release adjustment range.
- 480–8000 A short-time delayed short-circuit adjustment range.
- 1200–12000 A instantaneous short-circuit adjustment range.
- 42 kA Icu and Ics at 400–690 V AC.
- Four auxiliary change-over contacts with circuit-breaker open/closed position indication.
Reliable and Selective Distribution Protection
The ABB SACE Emax 2 E1.2B combines switching, isolation and electronic protection in a compact air circuit breaker platform. Its 800 A rated current, four-pole construction and 42 kA breaking capacity make it suitable for incoming feeders, distribution circuits and other switchboard positions where dependable overload and short-circuit protection are required.
The Ekip Dip LSI release provides adjustable long-time overload, short-time delayed short-circuit and instantaneous short-circuit protection. These functions enable coordinated protection of conductors, busbars and connected equipment while helping selective systems isolate a fault without unnecessarily disconnecting unaffected sections of the installation.
Typical Applications
- Low-voltage electrical distribution switchboards.
- Industrial power distribution systems.
- Main and sub-main incoming feeders.
- Four-pole distribution circuits requiring neutral switching.
- Transformer secondary and installation protection.
- Commercial and infrastructure electrical systems.
- Manufacturing and process facilities.
- Switchboards requiring adjustable LSI protection and selective fault coordination.
Technical Specifications
| Series | SACE Emax 2 |
|---|---|
| Frame | E1.2B |
| ABB order code | 1SDA071372R1 |
| Product type | Air circuit breaker |
| Rated uninterrupted current (Iu) | 800 A |
| Rated current (In) | 800 A |
| Rated operational voltage | 690 V AC |
| Rated insulation voltage (Ui) | 1000 V AC |
| Rated impulse withstand voltage (Uimp) | 12 kV |
| Frequency | 50/60 Hz |
| Number of poles | 4 |
| Neutral-pole current | 100% of Iu |
| Short-circuit performance level | B |
| Trip unit | Ekip Dip LSI |
| Release type | Electronic / solid-state |
| Protection functions | L, S and I |
| Overload release adjustment | 320–800 A |
| Short-time delayed short-circuit adjustment | 480–8000 A |
| Instantaneous short-circuit adjustment | 1200–12000 A |
| Ultimate short-circuit breaking capacity (Icu) at 400 V AC | 42 kA |
| Ultimate short-circuit breaking capacity (Icu) at 415 V AC | 42 kA |
| Ultimate short-circuit breaking capacity (Icu) at 440 V AC | 42 kA |
| Ultimate short-circuit breaking capacity (Icu) at 500 V AC | 42 kA |
| Ultimate short-circuit breaking capacity (Icu) at 525 V AC | 42 kA |
| Ultimate short-circuit breaking capacity (Icu) at 690 V AC | 42 kA |
| Service short-circuit breaking capacity (Ics) | 100% of Icu |
| Short-time withstand current (Icw), 1 s | 42 kA |
| Short-time withstand current (Icw), 3 s | 24 kA |
| Integrated earth-fault protection | No |
| Execution | Fixed |
| Terminal arrangement | Front terminals |
| Terminal type | Bolt |
| Terminal tightening torque | 45 N·m |
| Auxiliary contacts | 4 change-over contacts |
| Circuit-breaker open/closed indication | Yes |
| Motor drive integrated | No |
| Motor drive | Optional |
| Power loss | 50 W |
| Electrical durability | 8000 operating cycles |
| Mechanical durability | 20000 operating cycles |
| Suitable for IT networks | Yes, up to 690 V AC |
| Standard | IEC 60947-2 |
| EAN | 8015644752224 |
| ABB product group | Emax2 Air Circuit Breaker |
Frequently Asked Questions
What is the ABB 1SDA071372R1?
The ABB 1SDA071372R1 is a SACE Emax 2 E1.2B 800 Ekip Dip LSI four-pole fixed air circuit breaker with front terminals, an 800 A rated current and adjustable electronic LSI protection.
What is the rated current of the ABB E1.2B 800?
The breaker has a rated uninterrupted current of 800 A, with an adjustable long-time overload protection range of 320–800 A.
What protection does the Ekip Dip LSI trip unit provide?
The Ekip Dip LSI solid-state release provides long-time overload (L), short-time delayed short-circuit (S) and instantaneous short-circuit (I) protection. This LSI version does not incorporate integrated ground-fault protection.
What is the breaking capacity of ABB 1SDA071372R1?
The E1.2B 800 has an ultimate short-circuit breaking capacity of 42 kA from 400 to 690 V AC, with a short-time withstand current of 42 kA for 1 s.
Where is the ABB E1.2B 800 Ekip Dip LSI typically used?
It is typically used in low-voltage distribution boards, industrial switchboards, incoming feeders and four-pole distribution circuits requiring adjustable overload, selective short-time and instantaneous short-circuit protection.
Dependable Protection for Low-Voltage Distribution
ABB SACE Emax 2 air circuit breakers combine compact construction, adjustable electronic protection and dependable switching performance, providing a flexible solution for industrial, commercial and infrastructure low-voltage distribution systems.
