ABB Tmax T4S 250 moulded case circuit breaker with PR222DS/P-LSI electronic trip unit, 250 A rating, 3-pole fixed configuration and front terminals for industrial power distribution.
£3,261.95
The ABB 1SDA054029R1 is a high-performance Tmax T4S moulded case circuit breaker (MCCB) designed to provide dependable protection for electrical distribution systems, industrial installations and OEM machinery. Featuring ABB's proven PR222DS/P-LSI electronic trip unit, this breaker delivers accurate overload, short-circuit and selective protection for demanding low voltage applications.
As part of the trusted ABB SACE Tmax T series, this fixed three-pole MCCB combines high breaking capacity, advanced electronic protection and long service life. Its front terminal configuration and compact design simplify installation within switchboards, distribution panels and industrial control systems.
With a 250 A rated current, 690 V AC operating voltage and S performance level, the ABB 1SDA054029R1 is ideal for protecting feeders, power distribution networks, motors and industrial equipment where reliable fault protection and operational continuity are essential.
The ABB Tmax T4S range is engineered to safeguard electrical installations against overloads, short circuits and equipment faults. Its electronic trip unit provides accurate protection settings that improve system selectivity while helping minimise downtime.
Suitable for industrial switchgear, motor protection, machine builders and commercial electrical installations, the ABB 1SDA054029R1 delivers dependable performance even in demanding operating environments where reliability is critical.
| Current | 250 A |
|---|---|
| Phase | Three Phase |
| Manufacturer | ABB |
| Series | SACE Tmax T |
| Model | T4S 250 PR222DS/P-LSI In=250 3P F F |
| Product ID | 1SDA054029R1 |
| Product type | Moulded Case Circuit Breaker (MCCB) |
| Rated current (In) | 250 A |
| Number of poles | 3 |
| Trip unit | PR222DS/P-LSI Electronic Release |
| Rated operational voltage | 690 V AC |
| Rated insulation voltage (Ui) | 1000 V |
| Rated impulse withstand voltage (Uimp) | 8 kV |
| Breaking capacity (Icu) | Up to 85 kA depending on system voltage |
| Terminal type | Front terminals |
| Mounting | Fixed |
| Dimensions (H × W × D) | 205 × 105 × 103.5 mm |
| Weight | Approx. 3.5 kg |
It is a moulded case circuit breaker designed to protect industrial electrical systems against overloads and short circuits.
This MCCB has a 250 A rated uninterrupted current.
The breaker is equipped with an ABB PR222DS/P-LSI electronic trip unit offering adjustable protection functions.
The ABB 1SDA054029R1 is supplied as a 3-pole fixed circuit breaker.
It is commonly installed within industrial switchboards, distribution panels, motor control centres and OEM electrical equipment.
ABB SACE Tmax moulded case circuit breakers are trusted worldwide for delivering dependable circuit protection, outstanding reliability and long operational life across industrial and commercial electrical installations.
● Service Agreements
Credit Accounts
Our service agreements are built to support long term procurement relationships. By working closely with engineering teams and procurement departments, we help streamline purchasing processes while ensuring consistent access to critical components and sourcing support when it matters most.
● frequently asked questions
At Led Controls Ltd we help engineers source the right automation and control gear with confidence. below are quick answers to what we are asked most often.
We supply all leading manfacturers in our industry. we offer next day delivery on most poplour products.
Your content goes here. Edit or remove this text inline or in the module Content settings. You can also style every aspect of this content in the module Design settings and even apply custom CSS to this text in the module Advanced settings.
Your content goes here. Edit or remove this text inline or in the module Content settings. You can also style every aspect of this content in the module Design settings and even apply custom CSS to this text in the module Advanced settings.
Your content goes here. Edit or remove this text inline or in the module Content settings. You can also style every aspect of this content in the module Design settings and even apply custom CSS to this text in the module Advanced settings.
Your content goes here. Edit or remove this text inline or in the module Content settings. You can also style every aspect of this content in the module Design settings and even apply custom CSS to this text in the module Advanced settings.
● latest blog
LED Controls is a specialist distributor of factory automation and industrial controls, supplying OEMs, machine builders, panel builders and end users throughout the UK and worldwide. As a trusted UK distributor for many of the world’s leading automation manufacturers, we provide industrial control products, technical expertise and bespoke automation solutions backed by outstanding customer service.
2025 has been a big year for LED Controls, and our blog has expanded accordingly. We've covered a wide range of topics across industrial control and factory automation this year. From core technology explainers and new product releases to panel building best practice...
2025 has been a big year for LED Controls, and our blog has expanded accordingly. We've covered a wide range of topics across industrial control and factory automation this year. From core technology explainers and new product releases to panel building best practice...