1.动力源DZY-48/25D1/25D输入： 启动电压：不大于160V。 交流输入：单相三线制，额定输入电压范围180～264V，可工作范围90～286V。 输入电流波形失真度：≤3%。 开机浪涌电流：≤10A。 功率因数：≥0.98。
2.动力源DZY-48/25D1/25D输出： 额定输出电压：48V。 直流输出稳压范围：43V～57.6V。 额定输出电流：25A； 输出电流：26.25A。 稳压精度：不超过直流输出电压整定值的±0.6%。 电压调整率：不超过直流输出电压整定值的±0.1%。 电流调整率：不超过直流输出电压整定值的±0.5%。 均流误差：当整流器的输出电流在50%～***的额定电流范围内时，其均分负载电流不平衡度≤±5%额定电流值。 单机效率：≥89%。
4.动力源DZY-48/25D1/25D杂音电压： 衡重杂音电压：300Hz～3400Hz≤2.0mV。 峰—峰值杂音电压：0～20MHz≤200mV。 宽频杂音电压：3.4KHz～150KHz≤50mV。 0.15 MHz～30MHz≤20mV。
5.动力源DZY-48/25D1/25D绝缘电阻：在正常大气压条件下，相对湿度≤65%及65%＜相对湿度≤90%，试验电压为直流500V时，整流器主回路的交流部分和直流部分对地、以及交流部分对直流部分的绝缘电阻均不低于5MΩ及2MΩ。
6.动力源DZY-48/25D1/25D绝缘强度： a.交流电路对机壳、交流电路对直流电路间能承受50Hz、有效值不低于1500V交流电压1min，无击穿、无飞弧现象，漏电流≤30mA。 b.直流电路对机壳能承受50Hz、有效值不低于500V交流电压1min，无击穿、无飞弧现象，漏电流≤30mA。
8.动力源DZY-48/25D1/25D外形尺寸（宽×深×高，mm）：72 mm×315 mm×132 mm。 以上是动力源DZY-48/25D1/25D整流模块技术参数。
本公司专业致力于华为、艾默生、中兴电源柜的研究，为客户提供全程一站式服务，我公司可以根据客户的具体特点和需求量身定做不同型号的通信电源柜，具体包括设计--选型--安装等跟踪指导，客户的需求就是我们的工作，做各类通信电源柜我们更专业。
Rectifier power source DZY - 48/25 d1/25 d module:
1. Power supply DZY - 48/25 d1/25 d input: start voltage: no greater than 160 v. Single-phase three-wire system, ac input: 180 ~ 264 v, rated input voltage range is working range is 90 ~ 286 v. Input current waveform distortion: 3% or less. Boot surge current: 10 a or less. Power factor: 0.98 or higher.
2. Power supply DZY - 48/25 d1/25 d output: rated output voltage: 48 v. Dc output voltage range: 43 V ~ 57.6 V. Rated output current: a 25; Output current: 26.25 A. Voltage regulation accuracy: no more than the set values for the dc output voltage of plus or minus 0.6%. Voltage regulation: no more than the set values for the dc output voltage of plus or minus 0.1%. Current regulation: no more than the set values for the dc output voltage of plus or minus 0.5%. Mean flow error: when the output current of the rectifier in within the scope of rated current 50% ~ * * *, the load sharing current unbalanced degree plus or minus 5% of the rated current value or less. Single machine efficiency: 89% or higher.
3. Power source DZY - 48/25 d1/25 d audible noise: 55 db or less.
4. Power supply DZY - 48/25 d1/25 d noise voltage: telephone scale heavy noise voltage: 300 hz ~ 3400 hz 2.0 mV or less. The peak - peak noise voltage: 0 ~ 20 MHZ acuities were 200 mv. Broadband noise voltage: 3.4 KHz to 150 KHz 50 mv or less. 0.15 MHz ~ 30 MHz 20 mv or less.
5. Power supply DZY - 48/25 d1/25 d: insulation resistance under the condition of normal atmospheric pressure, relative humidity 65% and < 65% or less relative humidity of 90% or less, the test voltage of the dc 500 v, the main circuit of ac and dc part of rectifier, as well as the communication part of dc insulation resistance are not less than 5 m Ω Ω and 2 m.
6. Power supply DZY - 48/25 d1/25 d dielectric strength: a. ac circuit of casing between dc and ac circuits can endure not less than 1500 v ac 50 hz, RMS voltage for 1 min, no breakdown, no flashover phenomenon, leakage current 30 ma or less. B. dc for casing to withstand not less than 500 v ac 50 hz, RMS voltage for 1 min, no breakdown, no flashover phenomenon, leakage current 30 ma or less.
7. Power supply DZY - 48/25 d1/25 d weight: 2.4 kg.
8. Power supply DZY - 48/25 d1/25 d dimension (width * deep *, mm) : 72 mm * 315 mm * 132 mm. Above is the power source DZY - 48/25 d1/25 d rectifier module technology parameters.
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