ABB 1SDA054193R1 Tmax T4S 250 A three-pole moulded case circuit breaker with TMA thermomagnetic release, rated current setting of 100 A, magnetic adjustment from 500-1000 A, fixed mounting and front terminals.
The ABB 1SDA054193R1 is a dependable Tmax T4S moulded case circuit breaker (MCCB) designed for reliable protection of industrial and commercial low-voltage electrical distribution systems. Featuring a 250 A frame size, 3-pole configuration and a TMA thermomagnetic release adjustable from 100-1000 A, it provides robust overload and short-circuit protection for demanding electrical installations.
As part of the proven ABB SACE Tmax T series, this fixed MCCB combines compact dimensions with excellent electrical performance. Its front terminal connections allow straightforward installation into switchboards, control panels and industrial distribution assemblies while supporting dependable long-term operation.
Designed for operation up to 690 V AC, the ABB 1SDA054193R1 offers high interrupting capacity and dependable circuit protection. The adjustable TMA thermomagnetic release allows both thermal and magnetic settings to be configured, helping engineers improve protection coordination across modern low-voltage power systems.
The ABB Tmax T4S range is engineered to protect electrical installations from overloads and short-circuit faults. By interrupting abnormal current conditions quickly and safely, these moulded case circuit breakers help protect switchgear, cables and connected equipment while supporting reliable system operation.
The ABB 1SDA054193R1 is well suited to panel builders, OEMs, electrical contractors and maintenance engineers requiring a compact three-pole MCCB with adjustable thermomagnetic protection and strong breaking performance for industrial applications.
| Current | 100 A |
|---|---|
| Phase | Three Phase |
| Manufacturer | ABB |
| Series | SACE Tmax T |
| Model | T4S 250 TMA 100-1000 3p F F |
| Product ID | 1SDA054193R1 |
| EAN | 8015644552930 |
| Product type | Moulded Case Circuit Breaker (MCCB) |
| Rated uninterrupted current (Iu) | 250 A |
| Rated current (In) | 100 A |
| Magnetic adjustment range | 500-1000 A |
| Number of poles | 3P |
| Release type | Thermomagnetic |
| Trip unit | TMA |
| Rated operational voltage | 690 V AC / 750 V DC |
| Rated insulation voltage (Ui) | 1000 V |
| Rated impulse withstand voltage (Uimp) | 8 kV |
| Rated service short-circuit breaking capacity (Ics) | up to 85 kA at 220-230 V AC |
| Rated ultimate short-circuit breaking capacity (Icu) | up to 85 kA at 220-230 V AC |
| Terminal connection | Front terminals |
| Mounting type | Fixed |
| Standards | IEC |
| Dimensions (H × W × D) | 205 × 105 × 103.5 mm |
| Weight | approx. 2.35 kg |
The ABB 1SDA054193R1 is used to protect industrial and commercial electrical distribution systems against overloads and short-circuit faults.
This moulded case circuit breaker has a 250 A frame size.
The breaker has a 3-pole configuration, making it suitable for three-phase electrical distribution systems.
The ABB 1SDA054193R1 is fitted with a TMA thermomagnetic release with a rated current setting of 100 A and magnetic adjustment from 500-1000 A.
It is typically installed in switchboards, distribution panels, motor control centres and industrial electrical assemblies.
ABB Tmax moulded case circuit breakers are widely trusted by panel builders, electrical contractors and industrial engineers for reliable protection, strong breaking performance and long-term dependability in low-voltage power distribution systems.
● 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...