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ABB MCCB 1sda054194r1-t4s 250 tma 125-1250 3 pole
ABB 1SDA054194R1 Tmax T4S 250 A three-pole moulded case circuit breaker with TMA thermomagnetic release, 125 A rated current, adjustable magnetic trip from 625-1250 A, fixed mounting and front terminals.
Why Choose the ABB 1SDA054194R1 Tmax T4S Moulded Case Circuit Breaker?
The ABB 1SDA054194R1 is a high-performance Tmax T4S moulded case circuit breaker (MCCB) designed to provide dependable protection for industrial and commercial low-voltage electrical distribution systems. Featuring a 250 A frame size, 3-pole configuration and a TMA thermomagnetic release with a rated current of 125 A and adjustable magnetic trip from 625-1250 A, it delivers reliable 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 outstanding electrical performance. Its front terminal connections simplify installation into switchboards, control panels and industrial distribution assemblies while maintaining ABB's reputation for long-term reliability.
Designed for operation up to 690 V AC, the ABB 1SDA054194R1 provides excellent interrupting performance and dependable circuit protection. The adjustable TMA thermomagnetic release enables both thermal and magnetic protection settings, helping engineers optimise discrimination and protection coordination across modern low-voltage power systems.
Key Advantages
- Reliable ABB Tmax T4S moulded case circuit breaker.
- 250 A frame size for industrial power distribution.
- 3-pole fixed MCCB with front terminal connections.
- TMA thermomagnetic release with adjustable magnetic trip from 625-1250 A.
- Provides adjustable overload and short-circuit protection.
- Compact Tmax T4 design for efficient panel installation.
Key Features
- ABB SACE Tmax T4S series.
- 250 A rated uninterrupted current (Iu).
- 125 A rated current (In).
- 3-pole moulded case circuit breaker.
- TMA thermomagnetic release.
- Magnetic adjustment range of 625-1250 A.
- Fixed mounting version with front terminals.
- Rated operational voltage up to 690 V AC / 750 V DC.
Reliable Protection for Low-Voltage Distribution
The ABB Tmax T4S range is engineered to protect electrical installations from overloads and short-circuit faults. Adjustable TMA releases allow engineers to optimise protection settings for improved coordination while protecting switchgear, cabling and connected equipment from damaging fault currents.
The ABB 1SDA054194R1 is an excellent choice for panel builders, OEMs and electrical contractors requiring a compact three-pole MCCB with adjustable thermomagnetic protection and high interrupting performance for industrial applications.
Typical Applications
- Industrial power distribution boards.
- Main and sub-distribution switchboards.
- Motor control centres.
- Commercial electrical installations.
- Manufacturing facilities.
- Infrastructure and utility distribution systems.
Technical Specifications
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| Current | 125 A | |
|---|---|---|
| Phase | Three Phase | |
| Poles | 3-pole | |
| Device Type | MCCB | |
| Breaking Capacity | 85 kA | |
| Trip Unit | Thermal-magnetic | |
| Manufacturer | ABB | |
| Series | SACE Tmax T | |
| Model | T4S 250 TMA 125-1250 3p F F | |
| Product ID | 1SDA054194R1 | |
| EAN | 8015644552947 | |
| Product type | Moulded Case Circuit Breaker (MCCB) | |
| Rated uninterrupted current (Iu) | 250 A | |
| Rated current (In) | 125 A | |
| Magnetic adjustment range | 625-1250 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 230 V AC, 50 kA at 400 V AC, 25 kA at 690 V AC | |
| Rated ultimate short-circuit breaking capacity (Icu) | Up to 85 kA at 230 V AC, 50 kA at 400 V AC, 25 kA at 690 V AC | |
| Terminal connection | Front terminals | |
| Mounting type | Fixed | |
| Standards | IEC 60947-2 | |
| Dimensions (H × W × D) | 205 × 105 × 103.5 mm | |
| Weight | Approx. 2.35 kg |
Frequently Asked Questions
What is the ABB 1SDA054194R1 used for?
The ABB 1SDA054194R1 protects industrial and commercial electrical distribution systems against overloads and short-circuit faults.
What is the rated current of this MCCB?
This breaker has a 125 A rated current within a 250 A frame size.
How many poles does the ABB 1SDA054194R1 have?
The breaker features a 3-pole configuration for three-phase electrical distribution systems.
Which trip unit is fitted?
The breaker is fitted with a TMA thermomagnetic release with an adjustable magnetic trip range of 625-1250 A.
Where is this circuit breaker typically installed?
It is commonly installed in switchboards, distribution panels, motor control centres and industrial electrical installations.
Trusted by Industry Worldwide
ABB Tmax moulded case circuit breakers are trusted worldwide for delivering reliable low-voltage circuit protection, excellent interrupting performance and long service life across industrial and commercial applications.
