Product Model
XT4N250 DC TMA250 FF 3P

Selling Points
- 1Withstands 120 cycles per hour and up to 8000 cycles.
- 2Operates 240 cycles per hour and up to 25,000 cycles.
- 3Ideal for power distribution applications with a short-circuit current setting of 2500A.
- 4Low power loss at rated operating conditions per pole, 16.4 W.
- 5Meets UL and CSA standards for safety and reliability.
Technical Specifications
Detailed engineering parameters based on manufacturer documentation
Parameter | Value | Parameter | Value |
---|---|---|---|
Product Net Width | 105 mm | Product Net Height | 160 mm |
Product Net Depth / Length | 82.5 mm | Product Net Weight | 2.5 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 | 3P |
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 | 1SDA123586R1 |
Specifications may be subject to change without notice