Guangdong Fullde Electrical Technology Co., Ltd
Guangdong Fullde Electrical Technology Co., Ltd
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Variable Resistive Dummy Load Bank Made of Aluminum Housed Wire Wound Resistor
Applications:
Elevator, port machinery, rolling mills, hoist the generator, inverter and other brake and load
Use of the environment:
Rated temperature (+70 °C); use with the temperature range (-55 °C ~ +375 °C)
Structure:
Rated power temperature (+70 °C); use with the temperature range (-55 °C ~ +375 °C)
Applicable standards: GB/T5729-2003 GB5732-85
| The main test items, test methods and performance requirements | ||
| Test items | Performance requirements | Test methods |
| Temperature coefficient of resistance | ≤±250(×10-6/°C) | -55°C/+20°C,20°C/+125°C |
| Terminal Strength | R≤±(1%R+0.05Ω) | Pull 20N |
| Dielectric | No breakdown or flashover | 2500V DC,1min |
| Weldability | Solder to flow freely and with terminals infiltration | 235±5°C2±0.5s |
| Resistance to soldering heat | ΔR≤±(1%R+0.05Ω) | 260±5°C10±1s |
| Short-time overload | ΔR≤±(2%R+0.05Ω) | 10 times the rated power, 5s |
| Rapid changes in temperature | ΔR≤±(1%R+0.05Ω) | -55 °C / +125 °C 5 cycles |
| Vibration | ΔR≤±(1%R+0.05Ω) | 10~500Hz98m/s2 |
| Long-term load | ΔR≤±(2%R+0.05Ω) | +70±2°C VR 1000h |
| Non-flammable | Not burning | 1 to 6 times the rated power for 5 minutes |
| Surface temperature rise | ≤350°C | The rated power |
| Insulation resistance value | 1000MΩ | 1000V DC |
Packing Drawing:
