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1sda054282r1 t4h 250 tma 250-2500 4 pole abb mccb
ABB 1SDA054282R1 Tmax T4H 250 four-pole moulded case circuit breaker with 250 A thermomagnetic TMA release and front terminals for industrial low voltage power distribution.
£2,066.63
Why Choose the ABB 1SDA054282R1 Tmax T4H 250 Moulded Case Circuit Breaker?
The ABB 1SDA054282R1 is a high performance Tmax T4H moulded case circuit breaker (MCCB) designed to provide dependable protection for low voltage electrical distribution systems. As part of the proven ABB SACE Tmax T series, this four-pole breaker is engineered for industrial switchboards, commercial installations, control panels and OEM electrical assemblies where safety, reliability and continuity of service are essential.
This MCCB is fitted with a thermomagnetic TMA release, combining thermal overload protection with magnetic short circuit protection. The fixed construction and front terminal arrangement allow straightforward installation within panel boards, distribution systems and machinery control cabinets.
With a 250 A frame size, 250 A rated current and high short circuit performance, the ABB 1SDA054282R1 is well suited to demanding electrical networks requiring reliable circuit protection, robust construction and trusted ABB engineering.
Key Advantages
- Reliable moulded case circuit breaker for low voltage power distribution.
- 250 A rated current with a 250 A frame size.
- Four-pole configuration with fully rated neutral.
- Thermomagnetic release provides overload and short circuit protection.
- High breaking capacity for demanding industrial installations.
- Fixed front terminal design simplifies switchboard installation.
Key Features
- ABB SACE Tmax T4H series.
- Product ID: 1SDA054282R1.
- 250 A rated current.
- 250 A rated uninterrupted current.
- Four-pole fixed circuit breaker.
- Thermomagnetic TMA R250 release.
- Adjustable magnetic protection range from 1250 to 2500 A.
- Front terminal connection.
- Fully rated neutral, InN = 100% In.
- Suitable for industrial and commercial electrical protection.
Reliable Circuit Protection for Power Distribution
Moulded case circuit breakers such as the ABB Tmax T4H protect electrical circuits by disconnecting the supply during overload or short circuit conditions. This helps reduce the risk of cable damage, equipment failure and electrical hazards within low voltage distribution systems.
The ABB 1SDA054282R1 is designed for professional switchgear and control panel applications. Its compact construction, high short circuit performance and fully rated neutral make it a dependable choice for distribution boards, industrial machinery, commercial building services and infrastructure installations.
Typical Applications
- Industrial switchboards and panel boards.
- Commercial power distribution systems.
- Motor control centres and machinery panels.
- Manufacturing and process automation systems.
- Infrastructure and building services installations.
- OEM electrical control equipment.
Technical Specifications
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| Current | 250 A | |
|---|---|---|
| Phase | Three Phase | |
| Poles | 4-pole | |
| Device Type | MCCB | |
| Breaking Capacity | 100 kA | |
| Trip Unit | Thermal-magnetic | |
| Manufacturer | ABB | |
| Series | SACE Tmax T | |
| Model | T4H 250 TMA 250-2500 4p F F InN=100%In | |
| Product ID | 1SDA054282R1 | |
| EAN | 8015644553791 | |
| Product type | Moulded Case Circuit Breaker | |
| Frame size | T4 250 | |
| Rated current (In) | 250 A | |
| Rated uninterrupted current (Iu) | 250 A | |
| Number of poles | 4 | |
| Release type | Thermomagnetic TMA | |
| Magnetic setting range | 1250–2500 A | |
| Rated operational voltage | 690 V AC / 750 V DC | |
| Rated insulation voltage (Ui) | 1000 V | |
| Rated impulse withstand voltage (Uimp) | 8 kV | |
| Short-circuit performance level | H | |
| Rated ultimate breaking capacity (Icu) | Up to 100 kA at 230 V AC | |
| Rated service breaking capacity (Ics) | Up to 100 kA at 230 V AC | |
| Terminal connection | Front terminals | |
| Mounting type | Fixed | |
| Dimensions (H × W × D) | approx. 205 × 140 × 103.5 mm | |
| Weight | approx. 3.05 kg |
Frequently Asked Questions
What is the ABB 1SDA054282R1 used for?
This MCCB is used to protect low voltage electrical circuits from overloads and short circuits in industrial, commercial and OEM power distribution systems.
What is the rated current of this breaker?
The ABB 1SDA054282R1 has a rated current of 250 A and a 250 A frame size.
How many poles does this MCCB have?
This model is a four-pole moulded case circuit breaker with a fully rated neutral.
What type of trip release is included?
It is fitted with a thermomagnetic TMA release, providing thermal overload protection and magnetic short circuit protection.
Where is the ABB 1SDA054282R1 typically installed?
It is typically installed in switchboards, distribution panels, control cabinets, motor control centres and industrial electrical systems.
Trusted by Electrical Professionals Worldwide
ABB Tmax moulded case circuit breakers are widely trusted by panel builders, electrical engineers and industrial facilities for dependable circuit protection, high breaking capacity and long-term performance in critical power distribution systems.
