Informationen über den produzenten
Firma:
sikes electric ltd |
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Adresse:
Huayuan Industrial Area , Fuyong Street , Bao`an District , Shenzhen,China |
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Telefon:
+183-2078-9162 |
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The PRU series resistors are resistor cabinet that assembled with wirwound braking resistors and can be suitable for harsh conditions with high power rating. This resistor group is designed for heavy duty such as cranes ,oil industry, hoist, lift or for braking of big electrical motors. This type has capability to withstand overload for a long time without any damage. Furthermore the power limits indicated ensure that the temperature doesn't damage other components nearby. It also ensures flexibilities of stationary or portable installation with four wheels.Key Features:1.Long term high stability and reliability;2.high pulse-load and high vibration capabilities ;3.high power ratings(up to 200KW) and large current value application;4.portable and stationary installation optional;5.medium voltage and excellent heat dissipation performance with air forced cooling.Characteristics of this series:1.Rated power: 30KW to 200KW, based on 25℃ free air rating( to 100 KW on request);2.Resistance values: from 0.5Ω to as high as 100 KΩ( to 500 KΩ on request);3.Temperature Coefficients:25,50 ,100 and 400ppm/℃ or as required;4.Operating Temperature:-55℃ to +225℃;5.Insulation Resistance: >1000MΩ (500V 25℃ 75% relative humidity);6.Dielectric strength: >3.0KV 50Hz 1min(25℃ 75% relative humidity);7.IP protection: IP00, IP20, IP23 or as required;8.Element material: OCR25AL5/CrAlFe/CrNi/CuNi;9.Lead material: Brass Caps(lug terminations available);10.Encapsulation: Silicone conformal coating.Application:1.inverter braking equipment or motors;2.testing load;3.crane systems, various steel mill applications; 4.elevator,lift systems, available through distribution;5.transit applications, neutral groundingÂ
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