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1SDA071454R1 ABB E1.2B 1250 Ekip Touch LI 4p F F Air Circuit Breaker 1250 A
ABB 1SDA071454R1 Emax 2 E1.2B 1250 four-pole fixed air circuit breaker with a 1250 A rating, Ekip Touch LI electronic protection, front terminals and 42 kA ultimate breaking capacity up to 690 V AC.
£4,950.50
Why Choose the ABB E1.2B 1250 Ekip Touch LI 4p F F Air Circuit Breaker?
The ABB E1.2B 1250 Ekip Touch LI 4p F F, order code 1SDA071454R1, is a high-performance four-pole air circuit breaker (ACB) from the ABB SACE Emax 2 range, designed for protection and switching in low-voltage electrical distribution systems. Combining the compact E1.2 frame with an Ekip Touch LI electronic trip unit, it provides configurable protection for substantial industrial, commercial and infrastructure electrical loads.
This fixed circuit breaker features front terminals and an Ekip Touch LI electronic protection release, providing adjustable long-time overload and instantaneous short-circuit protection. Protection settings can be configured through the touch-sensitive display, providing an intuitive interface for adapting the breaker to the requirements of the electrical installation.
With a rated uninterrupted current of 1250 A, a rated operational voltage of 690 V AC and an ultimate short-circuit breaking capacity of 42 kA across its specified AC operational voltage range, the E1.2B 1250 provides dependable protection for high-current distribution circuits. Its four-pole configuration enables switching across three phases and neutral, while its fixed construction makes it suitable for permanent installation within low-voltage switchboards.
Key Advantages
- High-performance ABB SACE Emax 2 air circuit breaker for low-voltage power distribution.
- 1250 A rated uninterrupted current for substantial industrial and commercial electrical loads.
- 42 kA ultimate short-circuit breaking capacity across the specified 380–690 V AC range.
- Ekip Touch LI electronic trip unit provides adjustable overload and instantaneous short-circuit protection.
- Touch-sensitive interface simplifies protection configuration and operation.
- Four-pole configuration enables switching across three phases and neutral.
- Fixed construction with front terminal connections for permanent switchboard installation.
Key Features
- ABB SACE Emax 2 E1.2B series.
- 1250 A rated current.
- Four-pole air circuit breaker.
- 690 V AC rated operational voltage.
- 42 kA Icu at 380–690 V AC.
- Ekip Touch LI electronic protection release.
- Adjustable long-time overload (L) protection from 0.4–1 × In.
- Adjustable instantaneous short-circuit (I) protection from 1.5–15 × In.
- Touch-sensitive display for protection configuration.
- Fitted with four auxiliary contacts.
- Circuit-breaker open/closed position indication.
- Fixed version with front terminals.
- Designed in accordance with IEC 60947-2.
Configurable Electronic Protection for High-Current Distribution
The ABB SACE Emax 2 E1.2B combines a compact air circuit breaker platform with substantial current-handling and short-circuit interruption capability. Its 1250 A rating and 42 kA ultimate breaking capacity make it suitable for main incomers, feeders and other high-current circuits within industrial and commercial low-voltage distribution systems.
The Ekip Touch LI trip unit provides adjustable long-time overload and instantaneous short-circuit protection. Long-time protection can be configured between 0.4 and 1 × In, while instantaneous protection can be adjusted between 1.5 and 15 × In, allowing the breaker protection characteristics to be matched to the requirements of the installation through an accessible touch-sensitive interface.
Typical Applications
- Low-voltage main distribution switchboards.
- Industrial electrical distribution systems.
- Commercial building power distribution.
- Manufacturing and process plants.
- Main incomer and feeder circuit protection.
- Transformer secondary distribution systems.
- Infrastructure electrical distribution.
- High-current circuits requiring configurable electronic protection.
Technical Specifications
| Series | SACE Emax 2 |
|---|---|
| Order code / MPN | 1SDA071454R1 |
| EAN | 8015644753047 |
| Product type | Air circuit breaker |
| Frame | E1.2 |
| Performance level | B |
| Rated current | 1250 A |
| Rated uninterrupted current (Iu) | 1250 A |
| Rated operational voltage (Ue) | 690 V AC |
| Rated insulation voltage (Ui) | 1000 V AC |
| Rated 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 |
| Number of poles | 4 |
| Current type | AC |
| Trip unit | Ekip Touch LI |
| Release type | Solid-state electronic |
| Long-time overload protection adjustment | 0.4–1 × In |
| Instantaneous short-circuit protection adjustment | 1.5–15 × In |
| Protection functions | Long-time overload and instantaneous short-circuit protection |
| Configuration interface | Touch-sensitive display |
| Version | Fixed |
| Terminal connection | Front terminals |
| Auxiliary contacts | 4 |
| Position indication | Circuit breaker open / closed |
| Product net width | 280 mm |
| Product net height | 296 mm |
| Product net depth | 183 mm |
| Product net weight | 16 kg |
| Standard | IEC 60947-2 |
Frequently Asked Questions
What is the ABB 1SDA071454R1 used for?
The ABB 1SDA071454R1 is an Emax 2 air circuit breaker designed for switching and configurable overload and short-circuit protection in low-voltage electrical distribution systems.
What is the current rating of the ABB E1.2B 1250?
The circuit breaker has a rated uninterrupted current of 1250 A, making it suitable for substantial low-voltage electrical loads.
What is the breaking capacity of the ABB 1SDA071454R1?
The E1.2B 1250 has a rated ultimate short-circuit breaking capacity (Icu) of 42 kA at 380 V AC, 400–415 V AC, 440 V AC, 500–525 V AC and 690 V AC.
What protection unit is fitted to the ABB E1.2B 1250?
The breaker is fitted with an ABB Ekip Touch LI electronic trip unit, providing adjustable long-time overload and instantaneous short-circuit protection.
Is the ABB 1SDA071454R1 fixed or withdrawable?
The 1SDA071454R1 is a fixed four-pole circuit breaker with front terminals, designed for permanent installation within a low-voltage electrical switchboard.
Trusted Low-Voltage Protection from ABB
ABB SACE Emax 2 air circuit breakers combine dependable switching, configurable electronic protection and high short-circuit performance for demanding low-voltage distribution systems across industrial, commercial and infrastructure applications.
