ABB 1SDA054437R1 MCCB
Powerful & Reliable, Three-Pole Circuit Breaker
The ABB 1SDA054437R1 MCCB (Molded Case Circuit Breaker) is a high-performance solution for industrial and commercial electrical protection. Designed for superior reliability, this TMAX T5N 400 fixed three-pole breaker features a thermomagnetic release TMA R 400, ensuring optimal protection against overloads and short circuits. With a robust design and front terminals for easy installation, this MCCB is ideal for demanding electrical applications.
🔹 Key Features & Benefits
✔ High Breaking Capacity – Ensures safe operation in high-power applications
✔ Thermomagnetic Protection – Provides precise overload and short-circuit response
✔ Compact & Durable Design – Space-saving and built for long-term use
✔ Easy Installation – Front terminals simplify wiring and maintenance
 Technical Specifications
| Specification | Details |
|---|---|
| Product Type | Molded Case Circuit Breaker (MCCB) |
| Model Number | 1SDA054437R1 |
| Series | TMAX T5N 400 |
| Poles | 3P (Three-Pole) |
| Rated Current (In) | 400 A |
| Thermomagnetic Release Range (I₃) | 2000 – 4000 A |
| Voltage Rating (Ue) | Up to 690V AC |
| Breaking Capacity | High-breaking capacity for enhanced protection |
| Installation Type | Fixed |
| Terminals | Front Terminal Configuration |
Environmental & Safety Specifications
| Specification | Details |
|---|---|
| Operating Temperature | -25°C to +70°C |
| Storage Temperature | -40°C to +70°C |
| Protection Class | IP20 |
| Standards Compliance | IEC 60947-2 |
| Certifications | CE, RoHS |
The Designed to provide exceptional electrical protection, ensuring safety and efficiency in high-power applications. Whether for industrial machinery, commercial buildings, or power distribution systems, this breaker delivers unmatched performance and durability.
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