Specifications
| Product Type | Moulded Case Circuit Breaker (MCCB) |
| Manufacturer | ABB |
| Series | SACE Tmax XT |
| Model | XT3N 250 TMD |
| Number of Poles | 4P (Four Pole) |
| Frame Size | 250 A |
| Rated Current (In) | 160A: TMD 160-1600 (Thermal setting range: 112–160 A, Magnetic trip: 1600 A) 200A: TMD 200-2000 (Thermal setting range: 140–200 A, Magnetic trip: 2000 A) 250A: TMD 250-2500 (Thermal setting range: 175–250 A, Magnetic trip: 2500 A) |
| Trip Unit Type | TMD Thermomagnetic Release |
| Neutral Configuration | 160A: Neutral = 50% of phase current 200A: Neutral = 50% of phase current 250A: Neutral = 50% of phase current |
| Rated Uninterrupted Current (Iu) | 250 A |
| Rated Operational Voltage (Ue) | Up to 690 V AC / 500 V DC |
| Rated Insulation Voltage (Ui) | 800 V |
| Rated Impulse Withstand Voltage (Uimp) | 8 kV |
| Current Type | AC / DC |
| Rated Frequency | 50 / 60 Hz |
| Breaking Capacity (Icu) | 36 kA at 415 V AC |
| Performance Class | N |
| Installation Type | Fixed version |
| Terminal Connection | Front terminals (F F) |
| Mechanical Durability | 25,000 operating cycles |
| Electrical Durability | 8,000 operating cycles |
| Standards | IEC 60947-2 |
| Weight | 2.1 kg |
| Application | Protection of low-voltage distribution systems, feeders, switchboards, and industrial power circuits against overload and short-circuit faults |
