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.
1SDA070781R1 ABB E1.2B 1000 Ekip Dip LI 3P Fixed Air Circuit Breaker
ABB 1SDA070781R1 is a SACE Emax 2 E1.2B 1000 A three-pole fixed air circuit breaker with front terminals and an Ekip Dip LI electronic trip unit for low-voltage power distribution protection.
£3,581.24
Why Choose the ABB E1.2B 1000 Ekip Dip LI 3P Fixed Air Circuit Breaker?
The ABB 1SDA070781R1 is a SACE Emax 2 E1.2B air circuit breaker (ACB) designed for dependable protection and switching in low-voltage power distribution systems. Rated at 1000 A, this three-pole breaker incorporates an Ekip Dip LI electronic trip unit providing adjustable long-time overload and instantaneous short-circuit protection.
As part of the ABB SACE Emax 2 range, the E1.2B combines compact construction with reliable electronic protection for industrial, commercial and infrastructure switchboards. The Ekip Dip LI release provides straightforward DIP-switch configuration, with overload protection adjustable from 400–1000 A and instantaneous short-circuit protection adjustable from 1500–15000 A.
This configuration is a three-pole fixed circuit breaker with front terminals. The E1.2B performance level provides an ultimate short-circuit breaking capacity of 42 kA across rated AC voltages up to 690 V AC, together with a short-time withstand current of 42 kA for 1 second.
Key Advantages
- Compact ABB SACE Emax 2 E1.2B air circuit breaker for low-voltage distribution.
- 1000 A rated uninterrupted current for substantial electrical loads.
- Ekip Dip LI electronic trip unit for overload and instantaneous short-circuit protection.
- 42 kA ultimate short-circuit breaking capacity at rated AC voltages up to 690 V AC.
- 42 kA short-time withstand current for 1 second.
- DIP-switch adjustment provides straightforward protection configuration.
- Fixed three-pole construction with front terminals for switchboard installation.
Key Features
- ABB SACE Emax 2 E1.2B air circuit breaker.
- 1000 A rated uninterrupted current.
- 3-pole configuration.
- Fixed circuit-breaker execution.
- Front terminal connection arrangement.
- Ekip Dip LI solid-state electronic protection release.
- Long-time overload (L) protection.
- Instantaneous short-circuit (I) protection.
- Overload protection adjustable from 400–1000 A.
- Instantaneous protection adjustable from 1500–15000 A.
- Four auxiliary change-over contacts for breaker status signalling.
- Suitable for rated operational voltages up to 690 V AC.
Reliable LI Protection for Power Distribution
Air circuit breakers provide switching, isolation and fault protection at critical points in low-voltage distribution systems. The ABB SACE Emax 2 platform combines compact construction, strong short-circuit performance and electronic trip technology to protect switchboards, cables, busbars and connected electrical equipment.
The Ekip Dip LI trip unit fitted to this E1.2B configuration provides adjustable long-time overload and instantaneous short-circuit protection. Its DIP-switch adjustment offers a straightforward way to configure protection thresholds to suit the distribution circuit while maintaining dependable operation and simplified commissioning.
Typical Applications
- Low-voltage main distribution switchboards.
- Industrial power distribution systems.
- Commercial building electrical distribution.
- Manufacturing and process facilities.
- Infrastructure and utility installations.
- OEM switchboards and electrical distribution assemblies.
Technical Specifications
| Series | SACE Emax 2 |
|---|---|
| Order code | 1SDA070781R1 |
| EAN | 8015644746315 |
| Product type | Air circuit breaker |
| Frame | E1.2B |
| Short-circuit performance level | B |
| Rated uninterrupted current (Iu) | 1000 A |
| Rated operational voltage | up to 690 V AC |
| Number of poles | 3 |
| Installation | Fixed |
| Terminal arrangement | Front terminals |
| Terminal type | Bolted |
| Trip unit | Ekip Dip LI |
| Release type | Electronic |
| Protection functions | L (long-time overload), I (instantaneous short circuit) |
| Overload protection adjustment range | 400–1000 A |
| Instantaneous short-circuit adjustment range | 1500–15000 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 |
| Auxiliary contacts | 4 change-over contacts |
| Net weight | 14 kg |
| Standard | IEC |
| ABB product group | Emax2 Air Circuit Breaker |
Frequently Asked Questions
What is the ABB 1SDA070781R1?
The ABB 1SDA070781R1 is a SACE Emax 2 E1.2B 1000 A three-pole fixed air circuit breaker with front terminals and an Ekip Dip LI electronic trip unit.
What protection functions does the Ekip Dip LI provide?
The Ekip Dip LI provides adjustable long-time overload and instantaneous short-circuit protection, with protection settings configured using DIP switches.
What is the breaking capacity of the ABB E1.2B 1000?
This E1.2B configuration provides an ultimate short-circuit breaking capacity of 42 kA at rated AC voltages from 400 V through 690 V.
Is the ABB 1SDA070781R1 fixed or withdrawable?
The 1SDA070781R1 is a fixed three-pole air circuit breaker with front terminals.
What are the protection adjustment ranges of the ABB 1SDA070781R1?
The overload protection is adjustable from 400–1000 A, while the instantaneous short-circuit protection is adjustable from 1500–15000 A.
Trusted by Power Distribution Professionals Worldwide
ABB SACE Emax 2 air circuit breakers combine dependable switching performance, electronic circuit protection and strong short-circuit capability for modern low-voltage power distribution applications.
