02,Apr,2025
What is the main purpose of a current transformer? + Read More

| Product Description | |||
| Standard Certifications | IEC60947-2 | ||
| Item No. | ULM3-320 | ||
| Number of poles | 2 | 3 | |
| Electrical characteristics as per IEC60947-2 and EN60947-2 | |||
| Rated current,In | 16-20-25-32-40-50-63-80-100-125-140-180-200-225-250-300-320 | ||
| Rated Operating Voltage,Ue | DC 1000V | DC 1500V | |
| Rated Insulated Voltage (Ui) | 1500V | ||
| Rated impulse withstand voltage,Uimp) | 12kV | ||
| Types | H | ||
| Ultimate breaking capacity (kA rms Icu) |
DC 1000V | 20 | |
| DC 1500V | |||
| Rated service breaking capacity (kA rms Icu) |
DC 1000V | 16 | |
| DC 1500V | |||
| Protection function | Overload, Short-circuit | ||
| Type of trip unit | Thermal-Magnetic | ||
| Magnetic trip range | 320A | ||
| Utilization category | A | ||
| Endurance | Mechanical | 10000 operations | |
| Electrical | 1500 operations | ||
| Connection | Standard | Front connection | |
| Mounting | Standard | Screw fixing | |
| Dimensions(mm) | Pole | ||
| 2 | 200X90X126 | ||
| 3 | 200X133X126 | ||
| Note) Depth by door cut size : c1 for large cut, c2 for small cut | |||