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ABB T4V 250 TMA 250-2500 4p F F InN=100%In moulded case circuit breaker with thermal-magnetic protection and fully rated neutral for reliable low-voltage power distribution.
£2,716.16
The ABB T4V 250 TMA 250-2500 4p F F InN=100%In is a high-performance moulded case circuit breaker (MCCB) designed for reliable protection and switching in demanding low-voltage electrical distribution systems. Part of the advanced ABB SACE Tmax T4 series, this circuit breaker combines robust construction with thermal-magnetic protection technology for industrial, commercial and infrastructure applications. :chatgpt-content-reference{index="0"}
Featuring the TMA thermal-magnetic trip unit, the ABB T4V 250 provides dependable overload and short-circuit protection through thermal protection for sustained overcurrents and magnetic protection for fault conditions. The fixed four-pole front-terminal design includes a fully rated neutral pole, making it suitable for three-phase systems requiring neutral protection. :chatgpt-content-reference{index="1"}
With a 250 A rated current, T4V 250 frame size, and four-pole configuration with fully rated neutral, the T4V 250 TMA 250-2500 4p F F InN=100%In is suitable for protecting feeders, machinery and distribution circuits where high breaking performance and dependable circuit interruption are required. :chatgpt-content-reference{index="2"}
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. :chatgpt-content-reference{index="3"}
| Series | SACE Tmax T |
|---|---|
| Order code | 1SDA054290R1 |
| Product type | Moulded case circuit breaker |
| Frame size | T4V 250 |
| Rated current (In) | 250 A |
| Number of poles | 4P |
| Neutral pole | Fully rated neutral (100% In) |
| Trip unit | TMA thermal-magnetic release |
| Magnetic protection range | 1250–2500 A |
| Terminal connection | Fixed front terminals |
| Rated operational voltage | 690 V AC / 750 V DC |
| Rated insulation voltage | 1000 V |
| Rated impulse withstand voltage | 8 kV |
| Rated uninterrupted current (Iu) | 250 A |
| Rated ultimate short-circuit breaking capacity (Icu) | up to 200 kA depending on operating voltage |
| Rated service short-circuit breaking capacity (Ics) | up to 200 kA depending on operating voltage |
| Electrical durability | 8000 cycles |
| Mechanical durability | 20000 cycles |
| Dimensions (H × W × D) | 205 × 140 × 103.5 mm |
| Weight | approx. 3.05 kg |
This ABB Tmax T4 moulded case circuit breaker is used for protecting and switching low-voltage electrical distribution circuits against overloads and short circuits.
The ABB T4V 250 TMA 250-2500 4p F F InN=100%In has a rated current of 250 A.
This model is a four-pole (4P) circuit breaker with a fully rated neutral pole for three-phase systems requiring neutral protection.
The circuit breaker is fitted with a TMA thermal-magnetic trip unit providing overload and short-circuit protection.
This circuit breaker is typically installed in industrial switchboards, distribution panels and electrical equipment assemblies.
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.
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