
Wirewound Resistor Series
Power Wirewound Resistors
Power Wirewound Resistors
PW & QR Series
Constructed with high-quality heat-resistant tubular ceramic cores and high-power alloy resistance wire, the PW & QR Series provides excellent long-term resistance stability, strong short-time overload capability, and flameproof protective coating. Designed for heavy-duty electrical machinery, power control systems, and high-power circuits, the series is also available in multi-terminal and adjustable configurations (PW-A / QR-A).
FEATURES
- Resistance unchange after long-time using
- Good resistivity to short-time overload
- Fit for heavy electric machine
- Multi-terminal type & adjustable type are also available (as PW-A or QR-A)
- Flameproof coating
MATERIAL
- Element: High quality alloy resistance wire
- Core: High purity tubular ceramic
- Coating: Flameproof inorganic coating
- Termination: Multi-terminal / Adjustable lug terminals
Technical FAQ for R&D and Procurement
Q: What are the main applications of the PW and QR Series Power Wirewound Resistors?
A: The PW and QR Series are specifically designed for heavy-duty electrical machinery, power load testing, starting and braking systems, and high-power control circuits. They provide excellent short-time overload capability and long-term resistance stability.
Q: Are adjustable and multi-terminal configurations available?
A: Yes. In addition to standard fixed configurations, the series is available in adjustable models (PW-A / QR-A) and multi-terminal configurations, allowing engineers to flexibly adjust resistance values according to system and on-site application requirements.
Q: What safety protection and coating specifications are used for this series?
A: The entire series features a flameproof coating and a high-temperature-resistant ceramic core, helping maintain insulation safety under high-power and extreme load conditions while reducing safety risks caused by excessive heat.
Looking for High-Power Wirewound Resistors for Heavy-Duty Electrical Applications?
LIAN-SHENG ELECTRONIC CO.,LTD. provides stable and reliable high-power passive component solutions designed to meet the demanding requirements of global R&D teams and electronic component distributors.
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