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Product Name: Huawei R4850g2 48V 50A Telecom Rectifier Module Model NO.: R4850G2 Condition: New Certification: CE, ISO, RoHS, GS Information content: Data Support Network: GSM Type: Wired Usage: Telephone, Computer, Workstation, Server Weight: 2.0kg Dimension: 40.8 X 105 X 281mm Trademark: Huawei Specification: Brand New Origin: Wuhan Product Description HUAWEI R4850G2 48V 50A Telecom Rectifier ModuleR4850G2 Brief:The R4850G2 is a digital rectifier that converts the 85~300VAC to 53.5 VDC and possesses the characters of high efficiency, high power density, walk-in start, hot-plug, complete protection, and low noise. The rectifier adopts the latest power monitoring technology, implements the function of monitoring the states of loads and the rectifier status in real time. The output voltage of the rectifier can be adjusted through the host.48V 50A Rectifier Features1) High efficiency: ≥96%2) Input voltage range: 85~300VAC3) Operating temperature range: -40ºC~75ºC4) Total harmonic distortion(THD): ≤5%5) Hot-plug6) Digital control7) Intelligent electric meter8) Communication over RS4859) Adjustment of voltage and current10) Meet RoHS requirements11) Passing the TUV,CE,CB,UL certificationsHUAWEI R4850G2 50A rectifier SpecificationR4850G2 Weight: 2.0kgDimensions: 40.8 x 105 x 281mmR4850G2HUAWEI R4850G2 48V 50A telecom rectifier moduleNotes1. We will ship the item in 3-5 work days after the payment arrive.2. We will usually ship the item to Worldwide by FedEx/ UPS/DHL.3. Buyer's responsibility to pay customs fees, duties, import taxes, shipping chargeAnd related charges.4. We accept the payment through T/T, Paypal, and Western Union.5. The pictures show you one of the items in stock. But the exact one may be sold before your bidding. So it may not the exact one which you will receive.SpecificationsElectricalItemSpecificationInputOperating voltage85-300 VACFrequency45-66 HzRated : 50Hz and 60 HzRated input current<17APower factor≥ 0.99(load≥50% )THD≤ 5%(load≥50% )OutputOutput voltage42-58 VDCRated voltage: 53.5 VDCOutput power3000 W (176-290 VAC);1250 W (85-175 VACdecreased linearly)Regulated voltage precision≤±0.6%VoRipple and noise≤ 200 mVp-p (Bandwidth≤20MHz)Dynamic responseOver shoot:≤ ±5% Vo Recovery time: ≤ 200 usStandby power≤ 5WTurn-on output delay3-8 sHold up time>10 msPsophometrically weighted noise≤ 2 mVWideband noise voltage≤ 50 mV (3.4k-150 kHz)≤ 20 mV (0.15M-30MHz)Other FeaturesItemSpecificationProtectionInput overvoltage protectionProtection point:>300 VACRecovery range:290-300 VACInput undervoltageprotectionProtection point:<80 VACRecovery range:80-90 VACOutput overvoltage protection58.5-60.5 VDC (can be set by monitoring unit )If the overvoltage occurs inside the rectifier due to a fault, the rectifier will latch off.If the output voltage is higher than 63 V and lasts for more than 500 ms, the rectifier will latch off.Output current limiting protectionSee Figure 1.Output short circuit protectionA long term short circuit is allowed. After the fault is rectified, the rectifier is restored to a healthy state automatically.Over-temperature protectionThe module protects against overtemperature.Safety/EMC/Lightening protectionSafety certificationPasses TUV, CE, UL certifications. Catch the CB certificate.Complies withUL60950-1;IEC60950-1;EN60950-1 CAN/CSA C22.2 No. 60950 -1 ;EMCEN55022 Class B ; EN55024; EN61000-3-2; EN61000-3-3; ETSI EN300 386; ETSI EN301489; ITU-T K.20;Lightning5KAReliabilityMTBF> 500,000 hoursAudible NoiseSpecification≤55dB(40 ºC/ 77 °F ,full load)
