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1SDA104284R1 ABB Emax 2 E1.2N/E9 1250A Ekip Dip LSI 4P Fixed Air Circuit Breaker
ABB 1SDA104284R1 is a fixed four-pole Emax 2 E1.2N/E9 1250 A air circuit breaker with an Ekip Dip LSI electronic trip unit and 35 kA breaking capacity at 800 V AC for demanding low-voltage power distribution protection.
£6,255.20
Why Choose the ABB 1SDA104284R1 Emax 2 E1.2N/E9 Air Circuit Breaker?
The ABB 1SDA104284R1 is a high-performance Emax 2 E1.2N/E9 air circuit breaker designed for protection and switching in demanding low-voltage AC power distribution systems. This fixed, four-pole circuit breaker combines a 1250 A rated uninterrupted current with an ABB Ekip Dip LSI electronic trip unit for overload and short-circuit protection.
As part of the advanced ABB SACE Emax 2 series, the E1.2N/E9 is engineered for reliable power distribution in industrial, commercial and infrastructure installations. The Ekip Dip LSI release provides long-time, short-time and instantaneous protection functions, allowing the breaker to protect conductors and equipment against overload and short-circuit conditions.
The 1SDA104284R1 is a fixed four-pole breaker with front terminals, rated at 1250 A and designed for applications up to 800 V AC. The E1.2N/E9 version provides a rated ultimate short-circuit breaking capacity Icu of 35 kA at 800 V AC, making it particularly suitable for high-voltage AC distribution applications including renewable energy and industrial power systems.
Key Advantages
- High-performance ABB SACE Emax 2 E1.2N/E9 air circuit breaker.
- 1250 A rated uninterrupted current (Iu) for high-current distribution systems.
- Four-pole (4P) configuration for three-phase systems with neutral switching.
- Ekip Dip LSI electronic trip unit provides long-time, short-time and instantaneous protection.
- 35 kA Icu at 800 V AC short-circuit breaking capacity.
- Fixed construction with front terminals for integration into compatible switchboards.
Key Features
- ABB SACE Emax 2 E1.2N/E9 air circuit breaker.
- 1250 A rated uninterrupted current.
- Four-pole configuration.
- 800 V AC rated voltage.
- 35 kA ultimate short-circuit breaking capacity at 800 V AC.
- Ekip Dip LSI solid-state electronic release.
- Long-time, short-time and instantaneous protection functions.
- Fixed installation with front terminals.
- Fitted with four auxiliary contacts and open/closed circuit breaker position indication.
Advanced Circuit Protection for Power Distribution
Air circuit breakers protect high-current electrical distribution systems by interrupting fault currents and disconnecting circuits when operating conditions exceed configured protection thresholds. The ABB Emax 2 platform combines high breaking performance with electronic protection technology for reliable operation in critical low-voltage power networks.
The Ekip Dip LSI trip unit fitted to the 1SDA104284R1 provides adjustable overload, short-time short-circuit and instantaneous short-circuit protection. Combined with the E1.2N/E9 breaker's 35 kA breaking capacity at 800 V AC, this makes the unit suitable for demanding installations where dependable selective protection and high-voltage AC switching capability are required.
Typical Applications
- Industrial low-voltage power distribution systems.
- Main distribution switchboards and switchgear assemblies.
- Renewable energy and high-voltage AC distribution systems.
- Commercial and infrastructure power distribution.
- Transformer and distribution system protection.
- Generator, motor and cable protection applications.
Technical Specifications
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| Voltage | 800 V AC | |
|---|---|---|
| Device Type | ACB | |
| Series | SACE Emax 2 | |
| Order code | 1SDA104284R1 | |
| Product type | Air circuit breaker | |
| Frame | E1.2N/E9 | |
| Rated uninterrupted current (Iu) | 1250 A | |
| Rated voltage | 800 V AC | |
| Ultimate short-circuit breaking capacity (Icu) | 35 kA at 800 V AC | |
| Number of poles | 4P | |
| Installation | Fixed | |
| Terminal arrangement | Front terminals | |
| Trip unit | Ekip Dip LSI | |
| Protection functions | LSI – Long-time, Short-time and Instantaneous | |
| Overload protection setting range | 500–1250 A | |
| Short-time short-circuit setting range | 750–12500 A | |
| Instantaneous short-circuit setting range | 1875–18750 A | |
| Auxiliary contacts | 4 | |
| Power loss | 122 W | |
| Protection rating | IP30 | |
| EAN | 8056221026079 | |
| Product group | Emax2 Air Circuit Breaker |
Frequently Asked Questions
What is the ABB 1SDA104284R1 used for?
The ABB 1SDA104284R1 is an Emax 2 air circuit breaker used for switching and protecting high-current low-voltage AC power distribution systems against overload and short-circuit conditions.
What is the current rating of the ABB 1SDA104284R1?
The circuit breaker has a rated uninterrupted current Iu of 1250 A.
What protection unit is fitted to the ABB 1SDA104284R1?
The breaker is fitted with an ABB Ekip Dip LSI electronic trip unit, providing long-time, short-time and instantaneous protection functions.
What is the breaking capacity of the ABB 1SDA104284R1?
The E1.2N/E9 configuration provides an ultimate short-circuit breaking capacity Icu of 35 kA at 800 V AC.
Is the ABB 1SDA104284R1 fixed or withdrawable?
The 1SDA104284R1 is a fixed four-pole circuit breaker with front terminals for installation in compatible low-voltage switchboards.
Trusted ABB Emax 2 Circuit Protection
ABB SACE Emax 2 air circuit breakers combine high-performance switching with advanced electronic protection, providing dependable circuit protection for industrial, commercial, infrastructure and energy distribution systems.
