XT3N 250 TMD 80-800 4p F F
Product ID:87437
Updated: 2026/4/9

Key Features
- 1Achieve high electrical durability with 8000 cycles at 120 cycles per hour. 2、Ensure mechanical reliability through 25,000 operations at 240 cycles per hour. 3、Optimize power distribution across four efficient poles. 4、Rely on thermomagnetic release (TMD) for stable and safe operation. 5、Meet strict IEC standards for guaranteed safety and performance.
Technical Specifications
Detailed engineering parameters
| Parameter | Value | Parameter | Value |
|---|---|---|---|
| Environmental Information | 9AKK108467A6707 | Product Net Width | 140 mm |
| Product Net Height | 150 mm | Product Net Depth / Length | 70 mm |
| Product Net Weight | 2.1 kg | Circuit Breaker Type to be Associated | Power Distribution |
| Product Main Type | SACE Tmax XT | Product Name | Moulded Case Circuit Breaker |
| Product Type | Automatic Circuit Breaker | Version | F |
| CAD Dimensional Drawing | 1SDH001295R0483 | Connecting Capacity Main Circuit | Busbar 85..192 mm² |
| Current Type | AC/DC | Electrical Durability | 120 cycles per hour 8000 cycle |
| Mechanical Durability | 240 cycles per hour 25000 cycle | Number of Poles | 4P |
| Opening Time | CB with SOR 15 ms CB with UVR 15 ms | Order Multiple | 1 piece |
| Power Loss | at Rated Operating Conditions per Pole 4.8 W | Rated Current (In) | 80 A |
| Rated Frequency (f) | 50 / 60 Hz | Rated Impulse Withstand Voltage (Uimp) | 8 kV |
| Rated Instantaneous Short-Circuit Current Setting (Ii) | 800 A | Rated Insulation Voltage (Ui) | 800 V |
| Rated Operational Voltage | 690 V AC 500 V DC | Rated Service Short-Circuit Breaking Capacity (Ics) | (220 V AC) 50 kA (230 V AC) 50 kA (240 V AC) 50 kA (380 V AC) 27 kA (415 V AC) 36 kA (440 V AC) 19 kA (500 V AC) 15 kA (525 V AC) 9.75 kA (690 V AC) 3.75 kA (250 V DC) 2 Poles in Series 36 kA (500 V DC) 3 Poles in Series 50 kA |
| Rated Ultimate Short-Circuit Breaking Capacity (Icu) | (220 V AC) 50 kA (230 V AC) 50 kA (240 V AC) 50 kA (380 V AC) 36 kA (415 V AC) 36 kA (440 V AC) 36 kA (500 V AC) 20 kA (525 V AC) 13 kA (690 V AC) 5 kA (250 V DC) 2 Poles in Series 36 kA (500 V DC) 3 Poles in Series 50 kA | Rated Uninterrupted Current (Iu) | 250 A |
| Rated Voltage (Ur) | 690 V | Recommended Screw Driver | Main Circuit M8 |
| Release | TMD | Release Type | TM |
| Setting Range | 56...80 A | Short-Circuit Performance Level | N |
| Standards | IEC60947-2 | Sub-type | XT3 |
| Terminal Connection Type | Front | Terminal Type | Bolt |
| Tightening Torque | 8 N·m | ETIM 8 | EC000228 - Power circuit-breaker for trafo/generator/installation protection |
| ETIM 9 | EC000228 - Power circuit-breaker for trafo/generator/installation protection | Object Classification Code | Q |
| UNSPSC | 39120000 | WEEE Category | 5. Small Equipment (No External Dimension More Than 50 cm) |
| eClass | V11.1 : 27370409 | Manufacturer ID | 1SDA068061R1 |
Specifications may be subject to change without notice
