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1SDA068063R1 ABB XT3N 250 TMD 125-1250 4p F F InN=50% Moulded Case Circuit Breaker
ABB XT3N 250 TMD 125-1250 4p F F InN=50% moulded case circuit breaker with thermal-magnetic protection for reliable low-voltage AC power distribution applications.
£669.88
Why Choose the ABB XT3N 250 TMD 125-1250 4p F F InN=50% Moulded Case Circuit Breaker?
The ABB XT3N 250 TMD 125-1250 4p F F InN=50% is a robust moulded case circuit breaker (MCCB) designed for reliable protection and switching in low-voltage electrical distribution systems. Part of the ABB SACE Tmax XT3 range, it combines a compact construction with a thermal-magnetic TMD trip unit to provide dependable overload and short-circuit protection for industrial and commercial installations.
Featuring a TMD thermal-magnetic trip unit, the XT3N 250 provides reliable protection against overloads through thermal operation and short-circuit faults through magnetic intervention. Its fixed four-pole configuration with front terminals makes it suitable for installation in switchboards, distribution panels and electrical assemblies.
With a rated current of 125 A, a 250 A frame size, a four-pole design and a 50% rated neutral, the ABB XT3N 250 TMD is suitable for protecting cables, equipment and low-voltage distribution circuits requiring dependable mechanical and thermal-magnetic protection.
Key Advantages
- Reliable ABB Tmax XT moulded case circuit breaker for low-voltage protection applications.
- 125 A rated current suitable for industrial and commercial distribution systems.
- TMD thermal-magnetic trip unit provides dependable overload and short-circuit protection.
- Four-pole fixed configuration with reduced neutral protection capability.
- Compact design simplifies installation inside electrical panels.
- High reliability for demanding power distribution environments.
Key Features
- ABB SACE Tmax XT3N 250 series moulded case circuit breaker.
- 125 A rated current (In).
- 250 A frame size.
- 4-pole configuration.
- InN=50% neutral rating.
- TMD thermal-magnetic release for overload and short-circuit protection.
- Fixed version with front terminals.
- Suitable for low-voltage AC distribution systems.
- Designed according to IEC 60947-2 standards.
Reliable Protection for Industrial Power Distribution
Moulded case circuit breakers such as the ABB XT3N 250 protect electrical installations by automatically disconnecting circuits during overload and short-circuit conditions. The integrated TMD thermal-magnetic release provides dependable protection using proven electromechanical technology.
The Tmax XT platform is designed for flexibility, compact installation and reliable performance in modern electrical systems. Its robust construction and accessory compatibility make it suitable for industrial and commercial distribution applications.
Typical Applications
- Industrial electrical distribution boards.
- Commercial power distribution systems.
- Machine control panels.
- Low-voltage switchgear assemblies.
- Cable and equipment protection applications.
- Infrastructure and energy distribution installations.
Technical Specifications
| Product range | SACE Tmax XT |
|---|---|
| Series | XT3N 250 |
| Order code | 1SDA068063R1 |
| Product type | Moulded case circuit breaker (MCCB) |
| Trip unit | TMD thermal-magnetic release |
| Rated current | 125 A |
| Frame size | 250 A |
| Number of poles | 4P |
| Neutral rating | 50% |
| Rated operational voltage | 690 V AC |
| Rated insulation voltage | 1000 V |
| Rated impulse withstand voltage | 8 kV |
| Rated frequency | 50 / 60 Hz |
| Terminal connection | Front terminals |
| Version | Fixed |
| Protection rating | IP20 |
| Standards | IEC 60947-2 |
| Product family | T-Max XT 250 Range |
Frequently Asked Questions
What is the ABB XT3N 250 TMD 125-1250 4p F F InN=50% used for?
The ABB XT3N 250 TMD is used for protecting and switching low-voltage AC electrical distribution circuits in industrial and commercial applications.
What is the rated current of this circuit breaker?
The circuit breaker has a rated current of 125 A.
How many poles does the ABB XT3N 250 have?
The ABB XT3N 250 TMD 125-1250 4p F F InN=50% is a four-pole (4P) circuit breaker.
What protection unit is included?
The circuit breaker includes a TMD thermal-magnetic release providing overload and short-circuit protection.
What voltage rating does this MCCB support?
The circuit breaker supports a rated operational voltage up to 690 V AC.
Trusted by Electrical Engineers Worldwide
ABB Tmax XT moulded case circuit breakers are widely used in industrial and commercial electrical installations to provide reliable protection, efficient operation and flexible integration into modern power distribution systems.
