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1SDA125914R1 ABB E4.3V/MS 3200 A 3-Pole Fixed Switch-Disconnector
ABB 1SDA125914R1 is a SACE Emax 3 E4.3V/MS 3200 A three-pole fixed switch-disconnector with rear horizontal terminals for high-current switching and isolation in low-voltage power distribution systems.
£9,937.92
Why Choose the ABB 1SDA125914R1 E4.3V/MS 3200 Switch-Disconnector?
The ABB 1SDA125914R1, product designation E4.3V/MS 3200 3p FHR, is a high-performance three-pole fixed switch-disconnector from the ABB SACE Emax 3 range. Designed for low-voltage power distribution systems, it provides dependable high-current switching and isolation for applications where overcurrent protection is coordinated through other protective devices in the installation.
With a rated uninterrupted current of 3200 A and a rated operational voltage of 690 V AC, the E4.3V/MS is engineered for demanding industrial and infrastructure power systems. Its switch-disconnector configuration provides reliable circuit isolation without an integral Ekip electronic overcurrent trip unit, making it suitable for incomers, feeders, bus sections and other high-current switching duties.
The 1SDA125914R1 is supplied in a three-pole fixed configuration with rear horizontal terminals (FHR). This robust arrangement supports permanent installation in high-current switchboards, while optional motor operation enables the switch-disconnector to be incorporated into remotely controlled and automated power-distribution systems.
Key Advantages
- High-performance ABB SACE Emax 3 switch-disconnector for low-voltage distribution.
- 3200 A rated uninterrupted current for demanding high-current installations.
- 690 V AC rated operational voltage.
- Provides dependable switching and circuit isolation.
- Three-pole configuration for three-phase power systems.
- Fixed execution provides robust permanent switchboard installation.
- Rear horizontal terminals support practical high-current busbar connections.
- Optional motor operation supports remote and automated switching applications.
Key Features
- ABB SACE Emax 3 E4.3V/MS series.
- 3200 A rated uninterrupted current (Iu).
- 690 V AC rated operational voltage.
- Switch-disconnector (MS) configuration.
- Three-pole (3P) construction.
- Fixed (F) execution.
- Rear horizontal (HR) terminal arrangement.
- Push-button operating mechanism.
- Lockable construction for controlled isolation.
- No integral motor operator as standard.
- Optional motor operator available.
- Designed for high-current low-voltage switchboards and distribution assemblies.
High-Current Switching and Isolation with Emax 3
Unlike an air circuit breaker equipped with an Ekip electronic protection release, the E4.3V/MS is configured as a switch-disconnector. Its primary role is to provide controlled switching and dependable isolation of high-current circuits, while overload and short-circuit protection can be provided and coordinated by other protective devices within the electrical installation.
The combination of a 3200 A current rating, 690 V AC operational voltage and fixed E4.3 architecture makes the 1SDA125914R1 well suited to major power-distribution circuits. Its rear horizontal terminals facilitate integration with switchboard busbars, while optional motor operation provides additional flexibility for remotely operated installations.
Typical Applications
- Industrial low-voltage power distribution systems.
- Main switchboard switching and isolation.
- High-current incoming and feeder circuits.
- Bus-section and bus-coupling applications.
- Manufacturing and process-industry installations.
- Data centres and critical-power infrastructure.
- Generator and transformer distribution systems.
- OEM switchgear and high-current power-distribution assemblies.
Technical Specifications
| Series | SACE Emax 3 |
|---|---|
| ABB order code / Product ID | 1SDA125914R1 |
| Product type | Switch-disconnector |
| Frame | E4.3 |
| Performance level | V |
| Rated uninterrupted current (Iu) | 3200 A |
| Rated operational voltage | 690 V AC |
| Number of poles | 3 |
| Execution | Fixed |
| Terminal arrangement | Rear horizontal terminals (FHR) |
| Operating mechanism | Push button |
| Lockable | Yes |
| Integrated motor operator | No |
| Optional motor operator | Yes |
| Height | 371 mm |
| Width | 384 mm |
| Depth | 270 mm |
| Application | Low-voltage AC power switching and isolation |
| EAN / GTIN | 8056221264662 |
Frequently Asked Questions
What is the ABB 1SDA125914R1?
The ABB 1SDA125914R1 is an E4.3V/MS 3200 A three-pole fixed switch-disconnector from the SACE Emax 3 range, designed for high-current switching and isolation in low-voltage power-distribution systems.
What is the rated current and voltage of the ABB 1SDA125914R1?
The E4.3V/MS switch-disconnector has a rated uninterrupted current of 3200 A and a rated operational voltage of 690 V AC.
Does the ABB 1SDA125914R1 have an Ekip trip unit?
No. The MS designation identifies a switch-disconnector, so the 1SDA125914R1 is intended primarily for switching and isolation rather than providing integral electronic overcurrent protection through an Ekip trip unit.
Is the ABB 1SDA125914R1 fixed or withdrawable?
The 1SDA125914R1 is a fixed three-pole switch-disconnector designed for permanent installation within a compatible low-voltage switchboard or power-distribution assembly.
What terminal arrangement does the ABB 1SDA125914R1 use?
This Emax 3 switch-disconnector is supplied with rear horizontal terminals (FHR), providing a robust connection arrangement for high-current switchboard busbars.
High-Current Switching from ABB
ABB SACE Emax 3 switch-disconnectors combine high-current switching capability, dependable circuit isolation and flexible installation options to support industrial, commercial, infrastructure and critical-power distribution systems.
