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ABB SACE Emax 3 E6.3X 4000 ACB 4 Pole 4000A 150kA Ekip Aware LSI Fixed Rear Terminals
ABB 1SDA125220R1 Emax 3 E6.3X air circuit breaker with 4000 A rated current, four-pole fixed construction and Ekip Aware LSI electronic release for high-current low-voltage power distribution protection.
£32,388.25
Why Choose the ABB Emax 3 E6.3X 4000 Ekip Aware LSI 4p FHR?
The ABB 1SDA125220R1 is an Emax 3 E6.3X 4000 air circuit breaker designed for high-current low-voltage power distribution protection in demanding industrial and commercial installations. This four-pole fixed circuit breaker combines a 4000 A rated current with an Ekip Aware LSI electronic release for long-time overload, short-time and instantaneous short-circuit protection.
As part of the ABB SACE Emax 3 air circuit breaker series, the 1SDA125220R1 provides robust switching and protection for modern electrical distribution systems. Its fixed construction with rear-mounted horizontal terminals supports integration into suitably engineered switchboards and distribution assemblies.
With a 4000 A rated current, four-pole configuration and E6.3X high-breaking-capacity class, the 1SDA125220R1 is suited to high-current applications where dependable overload protection, short-time protection and strong short-circuit interruption performance are required.
Key Advantages
- High-capacity air circuit breaker for low-voltage power distribution.
- 4000 A rated current for high-current electrical distribution systems.
- Four-pole fixed construction for comprehensive circuit control.
- Ekip Aware LSI electronic release with long-time, short-time and instantaneous protection functions.
- 150 kA rated ultimate short-circuit breaking capacity at 440 V AC.
- 120 kA short-time withstand current for 1 s.
- Rear-mounted horizontal terminals for practical switchboard integration.
- Four auxiliary contacts for control and monitoring applications.
Key Features
- ABB SACE Emax 3 E6.3X air circuit breaker.
- 4000 A rated current.
- Four-pole fixed configuration.
- Ekip Aware LSI electronic release.
- Long-time, short-time and instantaneous overcurrent protection.
- 150 kA Icu at 440 V AC.
- 120 kA Icw for 1 s.
- Rear-mounted horizontal terminal arrangement.
- Four auxiliary contacts and open/closed position indication.
Reliable High-Current Power Distribution Protection
Air circuit breakers such as the ABB Emax 3 E6.3X provide protection for low-voltage electrical distribution systems by detecting and interrupting abnormal current conditions. The Ekip Aware LSI electronic release combines long-time overload, short-time and instantaneous short-circuit protection to help protect conductors, switchgear and connected equipment.
The 1SDA125220R1 combines a 4000 A current rating with four-pole fixed construction and rear horizontal terminals, making it suitable for integration into appropriately engineered distribution boards and switchboards. Its 150 kA short-circuit breaking capacity at 440 V AC and 120 kA short-time withstand current for 1 s support demanding electrical distribution applications.
Typical Applications
- Industrial low-voltage distribution switchboards.
- Commercial building power distribution systems.
- High-current feeder protection.
- Manufacturing and processing facilities.
- Electrical infrastructure and plant distribution boards.
- Main and sub-distribution panels.
- High-current electrical distribution networks.
Technical Specifications
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| Trip Unit | LSI | |
|---|---|---|
| Device Type | ACB | |
| Current | 4000 A | |
| Poles | 4-pole | |
| Phase | Three Phase | |
| Breaking Capacity | 150 kA | |
| Application | Power distribution | |
| Mounting Type | Fixed | |
| Manufacturer | ABB | |
| Series | SACE Emax 3 | |
| Model | 1SDA125220R1 | |
| Product type | Low-voltage air circuit breaker | |
| Breaker type | E6.3X | |
| Rated current | 4000 A | |
| Number of poles | 4 | |
| Installation type | Fixed | |
| Trip unit | Ekip Aware LSI | |
| Long-time current setting | 1600–4000 A | |
| Short-time current setting | 2400–40000 A | |
| Instantaneous current setting | 6000–60000 A | |
| Maximum rated operational voltage | 690 V AC | |
| Rated ultimate short-circuit breaking capacity, Icu at 440 V AC | 150 kA | |
| Short-time withstand current, Icw for 1 s | 120 kA | |
| Terminal arrangement | Rear-mounted horizontal | |
| Auxiliary contacts | 4 | |
| Contact position indication | Open/closed | |
| HS Code | 85362090 |
Frequently Asked Questions
What is the ABB 1SDA125220R1 used for?
The ABB 1SDA125220R1 is a four-pole fixed Emax 3 air circuit breaker designed for high-current low-voltage power distribution and circuit protection.
What is the rated current of the ABB 1SDA125220R1?
The ABB 1SDA125220R1 has a rated current of 4000 A.
What type of protection does the 1SDA125220R1 provide?
The circuit breaker uses an Ekip Aware LSI electronic release providing long-time overload, short-time and instantaneous short-circuit protection.
Is the ABB 1SDA125220R1 fixed or withdrawable?
The ABB 1SDA125220R1 is a four-pole fixed circuit breaker with rear-mounted horizontal terminals.
What is the short-circuit breaking capacity of the ABB 1SDA125220R1?
The 1SDA125220R1 has a rated ultimate short-circuit breaking capacity of 150 kA at 440 V AC and a short-time withstand current of 120 kA for 1 s.
Trusted by Machine Builders Worldwide
ABB Emax 3 air circuit breakers are designed for modern low-voltage power distribution systems, providing dependable high-current circuit protection, switching capability and electronic protection functions for industrial and commercial electrical infrastructure.
