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1SDA054257R1 ABB T4V 250 TMA 125-1250 4p F F Moulded Case Circuit Breaker
ABB T4V 250 TMA 125-1250 4p F F moulded case circuit breaker with thermal-magnetic protection for reliable low-voltage industrial power distribution.
£1,500.41
Why Choose the ABB T4V 250 TMA 125-1250 4p F F Moulded Case Circuit Breaker?
The ABB T4V 250 TMA 125-1250 4p F F is a reliable moulded case circuit breaker (MCCB) designed for dependable protection and switching in low-voltage electrical distribution systems. As part of the proven ABB SACE Tmax T4 series, this circuit breaker combines compact construction with reliable thermal-magnetic protection technology for industrial, commercial and infrastructure applications.
Featuring the TMA thermal-magnetic trip unit, the ABB T4V 250 provides effective overload and short-circuit protection through thermal protection for sustained overcurrents and magnetic protection for fault conditions. The fixed four-pole front-terminal configuration enables straightforward installation within switchboards and electrical assemblies.
With a 125 A rated current, 250 A frame size and four-pole configuration, the T4V 250 TMA 125-1250 4p F F is suitable for protecting feeders, machinery and distribution circuits where dependable circuit interruption and long service life are required.
Key Advantages
- Reliable ABB Tmax T4 moulded case circuit breaker technology for low-voltage protection.
- TMA thermal-magnetic protection for dependable overload and short-circuit protection.
- 125 A rated current suitable for industrial and commercial distribution applications.
- Four-pole fixed front-terminal configuration for efficient switchboard installation.
- High short-circuit breaking performance for demanding electrical networks.
- Compact construction with ABB reliability and long operational durability.
Key Features
- ABB SACE Tmax T4 series moulded case circuit breaker.
- T4V 250 frame size.
- 125 A rated current (In).
- 4-pole configuration for three-phase plus neutral applications.
- TMA thermal-magnetic trip unit.
- Adjustable magnetic protection range 625–1250 A.
- Fixed front terminal connection.
- Designed for IEC low-voltage circuit protection applications.
Reliable Protection for Industrial Power Systems
Moulded case circuit breakers such as the ABB T4V 250 protect electrical systems by automatically disconnecting circuits during overload and short-circuit conditions. The TMA thermal-magnetic trip unit provides proven electromechanical protection suitable for a wide range of low-voltage applications.
The Tmax T4 platform is engineered for industrial switchboards, machinery power distribution and commercial electrical installations where compact dimensions, dependable operation and effective fault protection are essential.
Typical Applications
- Industrial distribution switchboards.
- Manufacturing plant electrical systems.
- Machinery and automation control panels.
- Motor feeder and equipment protection circuits.
- Commercial low-voltage distribution systems.
- Electrical switchgear assemblies.
Technical Specifications
| Series | SACE Tmax T |
|---|---|
| Order code | 1SDA054257R1 |
| Product type | Moulded case circuit breaker |
| Frame size | T4V 250 |
| Rated current (In) | 125 A |
| Number of poles | 4P |
| Trip unit | TMA thermal-magnetic release |
| Magnetic protection range | 625–1250 A |
| Terminal connection | Fixed front terminals |
| Rated operational voltage | 690 V AC |
| Rated insulation voltage | 1000 V |
| Rated impulse withstand voltage | 8 kV |
| Rated uninterrupted current (Iu) | 250 A |
| Mounting type | Fixed mounting |
Frequently Asked Questions
What is the ABB T4V 250 TMA 125-1250 4p F F used for?
This ABB Tmax T4 moulded case circuit breaker is used for protecting and switching low-voltage electrical distribution circuits against overloads and short circuits.
What is the rated current of this circuit breaker?
The ABB T4V 250 TMA 125-1250 4p F F has a rated current of 125 A.
How many poles does this ABB circuit breaker have?
This model is a four-pole (4P) circuit breaker suitable for three-phase systems requiring neutral protection.
Which trip unit is fitted to this circuit breaker?
The circuit breaker is fitted with a TMA thermal-magnetic trip unit providing overload and short-circuit protection.
Where is the ABB T4V 250 typically installed?
This circuit breaker is typically installed in industrial switchboards, distribution panels and electrical equipment assemblies.
Trusted by Electrical Engineers Worldwide
ABB Tmax circuit breakers are widely selected by electrical engineers and system integrators for dependable protection, efficient power distribution and long-term performance in industrial installations.
