02,Apr,2025
What is the main purpose of a current transformer? + Read More
| Product Description | |||
| Standard Certifications | IEC60947-2 | ||
| Item No. | ULM3-250 | ||
| Number of poles | 1,2,3,4 | ||
| Electrical characteristics as per IEC60947-2 and EN60947-2 | |||
| Rated current,In | 100-125-150-175-200-225-250 | ||
| Rated Operating Voltage,Ue | AC: 415V | ||
| Rated Insulated Voltage (Ui) | AC: 800V | ||
| Rated impulse withstand voltage,Uimp) | 8kV | ||
| Ultimate breaking capacity (kA rms Icu) |
220/240V | 35 | 50 |
| 380/400V | 25 | 35 | |
| 415V | 25 | 35 | |
| 550V | 18 | 20 | |
| Rated service breaking capacity (kA rms Icu) |
220/240V | 18 | 25 |
| 380/400V | 13 | 18 | |
| 415V | 13 | 18 | |
| 550V | 9 | 10 | |
| Protection function | Overload, Short-circuit | ||
| Type of trip unit | Thermal-Magnetic | ||
| Magnetic trip range | 400A | ||
| Utilization category | A | ||
| Endurance | Mechanical | 10000 operations | |
| Electrical | 4000 operations | ||
| Connection | Standard | Front connection | |
| Mounting | Standard | Screw fixing | |
| Dimensions(mm) | Pole | ||
| 1 | 165X45X84 | ||
| 2 | 165X75X84 | ||
| 3 | 165x105x84 | ||
| 4 | 165X140X84 | ||
| Certification | ![]() |
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| Note) Depth by door cut size : c1 for large cut, c2 for small cut | |||