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ABB XT4V 250 4 pole Very High MCCB Adjustable Thermal-Magnetic Release In=250A Ii=2500A
ABB 1SDA068430R1 XT4V 250 TMA 250-2500 4 pole moulded case circuit breaker with front terminals, fixed installation and fully rated neutral for low voltage circuit protection.
Why Choose the ABB 1SDA068430R1 XT4V 250 TMA MCCB?
The ABB 1SDA068430R1 is a high-performance Tmax XT4V 250 moulded case circuit breaker (MCCB) designed for reliable protection of low voltage electrical distribution systems. Part of the advanced ABB Tmax XT circuit breaker range, this four-pole breaker is built for industrial and commercial installations requiring dependable circuit protection and compact switchboard integration.
This circuit breaker features a thermomagnetic TMA release, providing effective overload and short-circuit protection for cables, circuits and connected equipment. Its fixed execution with front terminals supports straightforward installation inside distribution boards, control panels and switchgear assemblies.
With a rated current of 250 A and an adjustable magnetic trip range of 1250–2500 A, the ABB 1SDA068430R1 is suitable for demanding power distribution applications. The four-pole configuration includes a fully rated neutral, making it ideal for three-phase systems where neutral protection is required.
Key Advantages
- High-performance ABB Tmax XT4V 250 MCCB for low voltage circuit protection.
- 250 A rated current suitable for commercial and industrial distribution systems.
- Four-pole configuration with fully rated neutral.
- Thermomagnetic TMA release for overload and short-circuit protection.
- Fixed breaker design with front terminals for switchboard installation.
- Compact design supports efficient use of panel and enclosure space.
Key Features
- ABB Tmax XT4V 250 moulded case circuit breaker.
- Product ID: 1SDA068430R1.
- Rated current: 250 A.
- Frame size: XT4, 250 A frame.
- Four-pole breaker with fully rated neutral.
- TMA thermomagnetic release.
- Magnetic trip setting: 1250–2500 A.
- Fixed execution with front terminals.
Reliable Circuit Protection for Low Voltage Distribution
Moulded case circuit breakers such as the ABB Tmax XT4V are used to protect electrical circuits against overloads and short circuits. By interrupting fault currents, they help protect cables, switchgear and connected electrical equipment while supporting safer and more reliable operation.
The ABB Tmax XT range is widely used by panel builders, contractors and electrical engineers in industrial and commercial distribution systems. The 1SDA068430R1 provides a practical solution where a compact, fixed, four-pole MCCB with adjustable magnetic protection and a fully rated neutral is required.
Typical Applications
- Low voltage power distribution systems.
- Industrial switchboards and electrical panels.
- Commercial distribution boards.
- Motor control centres and machinery panels.
- Building services and infrastructure installations.
- Three-phase systems requiring neutral protection.
Technical Specifications
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| Current | 250 A | |
|---|---|---|
| Phase | Three Phase | |
| Poles | 4-pole | |
| Device Type | MCCB | |
| Trip Unit | Thermal-magnetic | |
| Manufacturer | ABB | |
| Series | Tmax XT | |
| Model | XT4V 250 TMA 250-2500 4p F F InN=100% | |
| Product type | Moulded case circuit breaker | |
| SKU / MPN | 1SDA068430R1 | |
| Frame size | XT4 | |
| Rated frame current | 250 A | |
| Rated current | 250 A | |
| Number of poles | 4 pole | |
| Neutral rating | Fully rated neutral, InN=100% | |
| Release type | Thermomagnetic TMA | |
| Magnetic trip range | 1250–2500 A | |
| Installation type | Fixed | |
| Terminal type | Front terminals | |
| Application | Low voltage circuit protection |
Frequently Asked Questions
What is the ABB 1SDA068430R1 used for?
The ABB 1SDA068430R1 is used for overload and short-circuit protection in low voltage electrical distribution systems, switchboards and industrial control panels.
What type of circuit breaker is the 1SDA068430R1?
It is an ABB Tmax XT4V 250 moulded case circuit breaker with a four-pole fixed design and front terminals.
What is the rated current of this MCCB?
The breaker has a rated current of 250 A within the XT4 250 A frame size.
What release type does this breaker use?
The 1SDA068430R1 uses a TMA thermomagnetic release, providing overload and short-circuit protection.
Does this breaker include a fully rated neutral?
Yes. This model is a four-pole MCCB with InN=100%, meaning the neutral pole is fully rated.
Trusted by Electrical Engineers Worldwide
ABB Tmax XT moulded case circuit breakers are trusted by panel builders, contractors and electrical engineers for reliable protection, compact installation and dependable performance in low voltage distribution systems.
