XT4N250 DC TMA250 FF 4P
Product ID:92416
Updated: 2026/7/15
Key Features
- 1Handle high currents and 36kA short-circuit events reliably.
- 2Feature a thermomagnetic release for AC/DC operation.
- 3Construct with robust front terminals for durability.
- 4Meet IEC standards and UL certification for safety.
- 5Suit transformer and generator protection applications.
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Technical Specifications
Detailed engineering parameters
| Parameter | Value | Parameter | Value |
|---|---|---|---|
| Product Net Width | 140 mm | Product Net Height | 160 mm |
| Product Net Depth / Length | 82.5 mm | Product Net Weight | 3.5 kg |
| Product Name | Moulded Case Circuit Breaker | Product Type | CB |
| Version | F | Current Type | DC |
| Mechanical Durability | 25000 cycle ;240 cycles per hour | Number of Poles | 4P |
| Power Loss | at Rated Operating Conditions per Pole 16.44 W | Rated Current (In) | 250 A |
| Rated Impulse Withstand Voltage (Uimp) | 8 kV | Rated Insulation Voltage (Ui) | 1000 V |
| Rated Operational Voltage | 750 V DC | Rated Service Short-Circuit Breaking Capacity (Ics) | (250 V DC) 2 Poles in Series 36 kA (500 V DC) 2 Poles in Series 36 kA (500 V DC) 3 Poles in Series 36 kA (750 V DC) 3 Poles in Series 25 kA |
| Rated Ultimate Short-Circuit Breaking Capacity (Icu) | (250 V DC) 2 Poles in Series 36 kA (500 V DC) 2 Poles in Series 36 kA (500 V DC) 3 Poles in Series 36 kA (750 V DC) 3 Poles in Series 25 kA | Rated Uninterrupted Current (Iu) | 250 A |
| Release | TMA | Release Type | TM |
| Short-Circuit Performance Level | N | Standards | IEC 60947-2 GB/T 14028.2 |
| Sub-type | XT4 | Terminal Connection Type | Fixed Circuit-Breakers |
| WEEE Category | 5. Small Equipment (No External Dimension More Than 50 cm) | Manufacturer ID | 1SDA123588R1 |
Specifications may be subject to change without notice
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