Product Model
XT3N 250 TMG 125-400 3p F F
Selling Points
- 1High-Performance Protection: Offers robust short-circuit breaking capacities up to 36 kA at 250 V DC and 25 kA at 440 V AC.
- 2Thermomagnetic Release: Equipped with a thermomagnetic release mechanism for reliable and fast operation.
- 3Front Terminal Connection: Features front terminal clamps for easy installation and maintenance.
- 4Extended Durability: Designed to withstand up to 25,000 electrical operations and 8,000 mechanical operations.
- 5Compliant with EU Directives: Meets EU Directive 2011/65/EU and Amendment 2015/863, ensuring environmental compliance.
Technical Specifications
Detailed engineering parameters based on manufacturer documentation
| Parameter | Value | Parameter | Value |
|---|---|---|---|
Environmental Information | 9AKK108467A6707 | Product Net Width | 105 mm |
Product Net Height | 150 mm | Product Net Depth / Length | 70 mm |
Product Net Weight | 1.7 kg | Circuit Breaker Type to be Associated | Generator Protection |
Product Main Type | SACE Tmax XT | Product Name | Moulded Case Circuit Breaker |
Product Type | Automatic Circuit Breaker | Version | F |
CAD Dimensional Drawing | 1SDH001295R0409 | 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 | 3P |
Opening Time | CB with SOR 15 ms CB with UVR 15 ms | Order Multiple | 1 piece |
Power Loss | at Rated Operating Conditions per Pole 6.6 W | Rated Current (In) | 125 A |
Rated Frequency (f) | 50 / 60 Hz | Rated Impulse Withstand Voltage (Uimp) | 8 kV |
Rated Instantaneous Short-Circuit Current Setting (Ii) | 400 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 | TMG | Release Type | TM |
Setting Range | 87.5...125 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 | 1SDA068254R1 |
Specifications may be subject to change without notice