500Watt 65 Ohm Porcelain Tube Resistor Wirewound With Wire Wound For Servo
The 500W corrugated ceramic tube wound resistor is specially designed for high-power applications and can operate for a long time at a power level of 500W, meeting the high-load demands of industrial automation, energy management and other scenarios.
Application scenarios
High-power energy-saving equipment
Industrial automation control
Energy and power industry
| Characteristics | Standards | Test methods |
| Resistance and Resistance tolerance | Resistance tolerance ±5% (J) | / |
| Temperature coefficient | ±300ppm | Test the resistance value at normal temperature and normal temperature added 100℃,calculate per℃ resistance value change rate . |
| Power rating load | △R/R≦± (1%＋0.05Ω) temperature 350℃ Max. | the power rating is applied to the resistor kept horizontally for 30 min. |
| Short-time overload | △R/R≦± (2%+0.05Ω) | At 10× rated voltage for 5 seconds. |
| Insulation resistance | ≥100MΩ | DC500V |
| Dielectric withstanding voltage | Without damage by flash-over, fire. or breakdown, etc. | ≥AC2000V,60(sec.) |
| Terminal strength | no evidence of mechanical damage | Tension: 196N, 30±5 seconds |
| Resistor strength | no evidence of mechanical damage | 294N, 30±5 seconds |
| Heat resistance | △R/R≦± (1%+0.05Ω) | Immerge into 375±10℃ tin stove for 2~3 seconds. |
| Thermal shock | △R/R≦± (2%+0.05Ω) | -55℃/30min(min.)→+25℃/15min(min.)→+125℃/30min(min.)→+2515min(min). A total of 5 cycles total 5 cycles. |
| Power rating load | △R/R≦± (5%+0.05Ω) | Overload rated voltage or Max.working voltage (get the lower) for 1000 hours (1.5 hours on and half-hour off ) at the 40±2℃ and
90~95% relative humidity. |
| Load life in heat | △R/R≦± (5%+0.05Ω) | Overload rated voltage or Max.working voltage (get the lower ) for 1000 hours (1.5 hours on and half-hour off) at the 70±2℃. |
Porcelain tube winding resistor
Inverter, brake equipment, servo
Shenzhen Jianhong Jitai Technology Co., Ltd.
Jianhong Jitai was established in 2013 and is located in Shenzhen
City, Guangdong Province, China. It enjoys a superior geographical
location and convenient transportation. We have very rich industry
experience and are a trustworthy supplier. The company's production
workshop covers an area of 800 square meters and specializes in the
research and development, production and sales of ceramic tube
power resistors, aluminum shell resistors, gold-aluminum shell
resistors, resistance boxes, load groups, intelligent adjustable
load groups, braking units, energy feedback, etc. The company holds
more than 20 patented technologies. Enjoy a good reputation in the
industry. Our resistor modules and chip resistors are national
patented products. Our resistors are widely used in elevators,
inverters, power, new energy and other fields. The company has a
professional design team that, with excellent quality and service,
helps customers design load solutions. Our products are exported to
Europe, the United States, Russia, Australia, Chile, Qatar,
Southeast Asia, the Middle East and other regions and countries,
and have been unanimously recognized by customers. We also welcome
orders.
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