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ABB SACE Emax 3 E2.3S 1250 ACB 3 Pole 1250A 85kA Ekip Aware LI Fixed Rear Terminals
ABB 1SDA124822R1 is a 1250 A three-pole fixed Emax 3 E2.3S air circuit breaker with Ekip Aware LI electronic protection and rear horizontal connection for low-voltage power distribution.
£4,792.76
Why Choose the ABB 1SDA124822R1 Emax 3 Air Circuit Breaker?
The ABB 1SDA124822R1 is a high-performance low-voltage air circuit breaker (ACB) designed for reliable protection and switching in demanding electrical distribution systems. As part of the advanced ABB SACE Emax 3 E2.3S series, it combines robust circuit-breaking performance with intelligent Ekip Aware electronic release technology for modern power distribution applications.
This circuit breaker features a 1250 A rated permanent current, three-pole fixed construction and LI protection functions for overload and instantaneous short-circuit protection. Its rear horizontal connection arrangement provides a practical solution for integration into low-voltage switchboards and electrical distribution assemblies.
The E2.3S 1250 Ekip Aware LI configuration provides an 85 kA rated short-circuit breaking capacity at 400 V AC. With adjustable protection settings and four auxiliary contacts, the breaker is suitable for high-current industrial, commercial and infrastructure power distribution systems.
Key Advantages
- High-capacity ABB SACE Emax 3 air circuit breaker for low-voltage power distribution.
- 1250 A rated permanent current suitable for high-current electrical installations.
- Three-pole fixed configuration for straightforward switchboard integration.
- Ekip Aware LI electronic protection provides overload and instantaneous short-circuit protection.
- 85 kA short-circuit breaking capacity at 400 V AC for demanding electrical installations.
- Rear horizontal main circuit connection for practical switchboard installation.
- Four auxiliary contacts provide additional status and control signalling.
- Electronic Ekip Aware release supports intelligent protection and monitoring functionality.
Key Features
- ABB SACE Emax 3 E2.3S series.
- 1250 A rated permanent current.
- Three-pole fixed circuit-breaker configuration.
- Ekip Aware LI electronic release.
- 500–1250 A adjustable overload protection setting.
- 1875–18750 A adjustable instantaneous short-circuit setting.
- 85 kA rated short-circuit breaking capacity at 400 V AC.
- 690 V rated voltage.
- Rear horizontal main circuit connection.
- Bolt connection for the main circuit.
- Four auxiliary contacts with change-over configuration.
- Open/closed circuit-breaker position indication.
- IP30 protection rating.
- Approximate power loss of 83 W.
Reliable High-Current Power Distribution Protection
Air circuit breakers such as the ABB Emax 3 E2.3S provide dependable protection and switching for high-current low-voltage electrical distribution systems. The Ekip Aware electronic release manages the configured LI protection functions, helping protect conductors and connected equipment against damaging overload and short-circuit conditions.
The fixed three-pole construction and rear horizontal connection arrangement make the 1SDA124822R1 suitable for integration into switchboards, distribution panels and industrial power systems. Its adjustable protection settings allow the breaker to be configured according to the requirements of the connected electrical installation.
Typical Applications
- Low-voltage main distribution switchboards.
- Industrial power distribution systems.
- Commercial building electrical distribution.
- High-current feeder protection.
- Industrial electrical panels and switchgear.
- Infrastructure and power management installations.
- High short-circuit level distribution assemblies.
Technical Specifications
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| Device Type | ACB | |
|---|---|---|
| Current | 1250 A | |
| Poles | 3-pole | |
| Phase | Three Phase | |
| Breaking Capacity | 85 kA | |
| Trip Unit | LI | |
| Application | Power distribution | |
| Mounting Type | Fixed | |
| Manufacturer | ABB | |
| Series | SACE Emax 3 | |
| Frame size | E2.3S | |
| Model | 1SDA124822R1 | |
| Product type | Air circuit breaker | |
| Rated permanent current Iu | 1250 A | |
| Rated voltage | 690 V | |
| Number of poles | 3 | |
| Configuration | Fixed | |
| Protection release | Ekip Aware LI | |
| Protection functions | Overload and instantaneous short-circuit | |
| Overload release current setting | 500–1250 A | |
| Instantaneous short-circuit release setting | 1875–18750 A | |
| Rated short-circuit breaking capacity Icu at 400 V AC | 85 kA | |
| Main circuit connection | Bolt connection | |
| Main circuit connection position | Rear / horizontal | |
| Auxiliary contacts | 4 change-over contacts | |
| Control element | Push button | |
| Protection rating | IP30 | |
| Approximate power loss | 83 W | |
| EAN | 8056221253741 | |
| HS Code | 85362090 |
Frequently Asked Questions
What is the ABB 1SDA124822R1 used for?
The ABB 1SDA124822R1 is a three-pole low-voltage air circuit breaker designed for high-current electrical distribution, switching and circuit protection applications.
What is the rated current of the ABB 1SDA124822R1?
The circuit breaker has a rated permanent current of 1250 A, making it suitable for high-current distribution systems.
What protection functions does this Emax 3 circuit breaker provide?
The 1SDA124822R1 uses an Ekip Aware LI electronic release providing overload and instantaneous short-circuit protection.
What is the short-circuit breaking capacity?
The ABB 1SDA124822R1 has a rated short-circuit breaking capacity of 85 kA at 400 V AC.
What type of connection does the ABB 1SDA124822R1 have?
The circuit breaker is a fixed three-pole version with a rear horizontal main circuit connection using a bolt connection and four auxiliary change-over contacts.
Trusted for Industrial Power Distribution
ABB SACE Emax 3 air circuit breakers provide high-capacity switching and protection for modern low-voltage distribution systems, combining robust circuit-breaking performance with intelligent electronic protection and monitoring capabilities.
