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1sda054198r1 t4s 250 tmd 20-320 4 pole abb mccb
ABB 1SDA054198R1 Tmax T4S 250 A four-pole moulded case circuit breaker with TMD thermomagnetic release adjustable from 20-320 A, fixed mounting and front terminals for industrial low-voltage distribution protection.
£1,110.83
Why Choose the ABB 1SDA054198R1 Tmax T4S Moulded Case Circuit Breaker?
The ABB 1SDA054198R1 is a reliable Tmax T4S moulded case circuit breaker (MCCB) designed for industrial and commercial low-voltage power distribution systems. Featuring a 250 A frame size, 4-pole configuration and a TMD thermomagnetic release adjustable from 20-320 A, it provides dependable overload and short-circuit protection for demanding electrical installations.
As part of the proven ABB SACE Tmax T series, this fixed MCCB combines robust construction with strong electrical performance. Its front terminal connections support straightforward installation into switchboards, distribution panels and industrial control assemblies where reliable circuit protection is essential.
Designed for operation up to 690 V AC, the ABB 1SDA054198R1 offers high interrupting performance and dependable protection for modern low-voltage networks. The thermomagnetic TMD release provides practical protection for applications requiring a compact four-pole breaker with adjustable current settings.
Key Advantages
- Reliable ABB Tmax T4S moulded case circuit breaker.
- 250 A frame size for industrial power distribution.
- 4-pole fixed MCCB with front terminal connections.
- TMD thermomagnetic release adjustable from 20-320 A.
- Provides dependable 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).
- 4-pole moulded case circuit breaker.
- TMD thermomagnetic release.
- Release adjustment range of 20-320 A.
- Fixed mounting version with front terminals.
- Rated operational voltage up to 690 V AC / 750 V DC.
- Designed for industrial and commercial low-voltage distribution.
Reliable Protection for Low-Voltage Distribution
The ABB Tmax T4S range is engineered to protect electrical installations against overloads and short-circuit faults. By interrupting abnormal current conditions, these moulded case circuit breakers help protect switchgear, cables and connected equipment while supporting safe and reliable system operation.
The ABB 1SDA054198R1 is a practical choice for panel builders, OEMs and electrical contractors requiring a compact four-pole MCCB with adjustable thermomagnetic protection, fixed mounting and front terminal connections 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 | 20 A | |
|---|---|---|
| Phase | Three Phase | |
| Poles | 4-pole | |
| Device Type | MCCB | |
| Breaking Capacity | 85 kA | |
| Trip Unit | Thermal-magnetic | |
| Manufacturer | ABB | |
| Series | SACE Tmax T | |
| Model | T4S 250 TMD 20-320 4p F F | |
| Product ID | 1SDA054198R1 | |
| EAN | 8015644552985 | |
| Product type | Moulded Case Circuit Breaker (MCCB) | |
| Rated uninterrupted current (Iu) | 250 A | |
| Rated current setting | 20 A | |
| Release adjustment range | 20-320 A | |
| Number of poles | 4P | |
| Release type | Thermomagnetic | |
| Trip unit | TMD | |
| 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 × 140 × 103.5 mm | |
| Weight | Approx. 3.05 kg |
Frequently Asked Questions
What is the ABB 1SDA054198R1 used for?
The ABB 1SDA054198R1 protects industrial and commercial low-voltage electrical distribution systems against overloads and short-circuit faults.
What frame size does this MCCB have?
This moulded case circuit breaker has a 250 A frame size.
How many poles does the ABB 1SDA054198R1 have?
The breaker features a 4-pole configuration, making it suitable for three-phase systems where neutral switching or protection may be required.
Which trip unit is fitted?
The breaker is fitted with a TMD thermomagnetic release adjustable from 20-320 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 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.
