华为R4875G1华为R4875G1特点: 效率：≥96% 输入电压范围：85～300VAC 工作温度范围：-40+75℃ 总谐波失真（THD）：≤5% 支持在线热功能 丨全数字化控制 丨支持智能电表 丨支持RS485通讯 丨支持电压电流调整功能 丨满足RoHS要求 丨通过TUV、CE、UL认证 华为R4875G1详细参数: 尺寸 40.8*105*281 重量 ≤3kg 工作温度 -40℃～+75℃，55℃输出不降额 存储温度 -40℃～+75℃ 相对湿度 5%～95%（无凝露） 工作电压 85～300VAC 输入电式单相三线制（或110VAC双火线） 输入频率 45～65Hz， 额定值：50Hz/60Hz 输入电流 ≤20A 功率因素 0.99 THD ≤5% 输出电压 42～58VDC 默认输出：53.5VDC 输出功率 4500w。华为R4875G1通信电源整流模块48V75A 华为R4875G1
<p microsoft="" yahei",="" simhei,="" sans-serif;"="" style="padding: 0px; margin: 0px; line-height: 40px; font-family: "Microsoft yahei"; background-color: rgb(255, 255, 255); color: rgb(51, 51, 51); font-size: 16px;">华为R4875G1介绍<p microsoft="" yahei",="" simhei,="" sans-serif;"="" style="padding: 0px; margin: 0px; line-height: 40px; font-family: "Microsoft yahei"; background-color: rgb(255, 255, 255); color: rgb(51, 51, 51); font-size: 16px;">华为R4875G1是一款率、高功率密度的数字化整流模块，实现85～300VAC输入，53.5VDC额定输出的转换。具有软启动、完善的输入和输出保护、低噪音、可并联使用等优点。采用***新电源技术，实现整流模块及负载的实时、通过后台调节输出电压的功能。
<p microsoft="" yahei",="" simhei,="" sans-serif;"="" style="padding: 0px; margin: 0px; line-height: 40px; font-family: "Microsoft yahei"; background-color: rgb(255, 255, 255); color: rgb(51, 51, 51); font-size: 16px;">华为R4875G1特点<p microsoft="" yahei",="" simhei,="" sans-serif;"="" style="padding: 0px; margin: 0px; line-height: 40px; font-family: "Microsoft yahei"; background-color: rgb(255, 255, 255); color: rgb(51, 51, 51); font-size: 16px;"> 丨效率：≥96%<p microsoft="" yahei",="" simhei,="" sans-serif;"="" style="padding: 0px; margin: 0px; line-height: 40px; font-family: "Microsoft yahei"; background-color: rgb(255, 255, 255); color: rgb(51, 51, 51); font-size: 16px;"> 丨输入电压范围：85～300VAC<p microsoft="" yahei",="" simhei,="" sans-serif;"="" style="padding: 0px; margin: 0px; line-height: 40px; font-family: "Microsoft yahei"; background-color: rgb(255, 255, 255); color: rgb(51, 51, 51); font-size: 16px;"> 丨工作温度范围：-40+75℃<p microsoft="" yahei",="" simhei,="" sans-serif;"="" style="padding: 0px; margin: 0px; line-height: 40px; font-family: "Microsoft yahei"; background-color: rgb(255, 255, 255); color: rgb(51, 51, 51); font-size: 16px;"> 丨总谐波失真（THD）：≤5%<p microsoft="" yahei",="" simhei,="" sans-serif;"="" style="padding: 0px; margin: 0px; line-height: 40px; font-family: "Microsoft yahei"; background-color: rgb(255, 255, 255); color: rgb(51, 51, 51); font-size: 16px;"> 丨支持在线热插拔功能<p microsoft="" yahei",="" simhei,="" sans-serif;"="" style="padding: 0px; margin: 0px; line-height: 40px; font-family: "Microsoft yahei"; background-color: rgb(255, 255, 255); color: rgb(51, 51, 51); font-size: 16px;"> 丨全数字化控制<p microsoft="" yahei",="" simhei,="" sans-serif;"="" style="padding: 0px; margin: 0px; line-height: 40px; font-family: "Microsoft yahei"; background-color: rgb(255, 255, 255); color: rgb(51, 51, 51); font-size: 16px;"> 丨支持智能电表<p microsoft="" yahei",="" simhei,="" sans-serif;"="" style="padding: 0px; margin: 0px; line-height: 40px; font-family: "Microsoft yahei"; background-color: rgb(255, 255, 255); color: rgb(51, 51, 51); font-size: 16px;"> 丨支持RS485通讯<p microsoft="" yahei",="" simhei,="" sans-serif;"="" style="padding: 0px; margin: 0px; line-height: 40px; font-family: "Microsoft yahei"; background-color: rgb(255, 255, 255); color: rgb(51, 51, 51); font-size: 16px;"> 丨支持电压电流调整功能<p microsoft="" yahei",="" simhei,="" sans-serif;"="" style="padding: 0px; margin: 0px; line-height: 40px; font-family: "Microsoft yahei"; background-color: rgb(255, 255, 255); color: rgb(51, 51, 51); font-size: 16px;"> 丨满足RoHS要求<p microsoft="" yahei",="" simhei,="" sans-serif;"="" style="padding: 0px; margin: 0px; line-height: 40px; font-family: "Microsoft yahei"; background-color: rgb(255, 255, 255); color: rgb(51, 51, 51); font-size: 16px;"> 丨通过TUV、CE、UL认证<p microsoft="" yahei",="" simhei,="" sans-serif;"="" style="padding: 0px; margin: 0px; line-height: 40px; font-family: "Microsoft yahei"; background-color: rgb(255, 255, 255); color: rgb(51, 51, 51); font-size: 16px;">华为R4875G1详细参数<p microsoft="" yahei",="" simhei,="" sans-serif;"="" style="padding: 0px; margin: 0px; line-height: 40px; font-family: "Microsoft yahei"; background-color: rgb(255, 255, 255); color: rgb(51, 51, 51); font-size: 16px;"> 尺寸 40.8*105*281<p microsoft="" yahei",="" simhei,="" sans-serif;"="" style="padding: 0px; margin: 0px; line-height: 40px; font-family: "Microsoft yahei"; background-color: rgb(255, 255, 255); color: rgb(51, 51, 51); font-size: 16px;"> 重量 ≤3kg<p microsoft="" yahei",="" simhei,="" sans-serif;"="" style="padding: 0px; margin: 0px; line-height: 40px; font-family: "Microsoft yahei"; background-color: rgb(255, 255, 255); color: rgb(51, 51, 51); font-size: 16px;"> 工作温度 -40℃～+75℃，55℃输出不降额<p microsoft="" yahei",="" simhei,="" sans-serif;"="" style="padding: 0px; margin: 0px; line-height: 40px; font-family: "Microsoft yahei"; background-color: rgb(255, 255, 255); color: rgb(51, 51, 51); font-size: 16px;"> 存储温度 -40℃～+75℃<p microsoft="" yahei",="" simhei,="" sans-serif;"="" style="padding: 0px; margin: 0px; line-height: 40px; font-family: "Microsoft yahei"; background-color: rgb(255, 255, 255); color: rgb(51, 51, 51); font-size: 16px;"> 相对湿度 5%～95%（无凝露）<p microsoft="" yahei",="" simhei,="" sans-serif;"="" style="padding: 0px; margin: 0px; line-height: 40px; font-family: "Microsoft yahei"; background-color: rgb(255, 255, 255); color: rgb(51, 51, 51); font-size: 16px;"> 工作电压 85～300VAC<p microsoft="" yahei",="" simhei,="" sans-serif;"="" style="padding: 0px; margin: 0px; line-height: 40px; font-family: "Microsoft yahei"; background-color: rgb(255, 255, 255); color: rgb(51, 51, 51); font-size: 16px;"> 输入电压制式单相三线制（或110VAC双火线）<p microsoft="" yahei",="" simhei,="" sans-serif;"="" style="padding: 0px; margin: 0px; line-height: 40px; font-family: "Microsoft yahei"; background-color: rgb(255, 255, 255); color: rgb(51, 51, 51); font-size: 16px;"> 输入频率 45～65Hz，额定值：50Hz/60Hz<p microsoft="" yahei",="" simhei,="" sans-serif;"="" style="padding: 0px; margin: 0px; line-height: 40px; font-family: "Microsoft yahei"; background-color: rgb(255, 255, 255); color: rgb(51, 51, 51); font-size: 16px;"> 输入电流 ≤20A<p microsoft="" yahei",="" simhei,="" sans-serif;"="" style="padding: 0px; margin: 0px; line-height: 40px; font-family: "Microsoft yahei"; background-color: rgb(255, 255, 255); color: rgb(51, 51, 51); font-size: 16px;"> 功率因素 0.99<p microsoft="" yahei",="" simhei,="" sans-serif;"="" style="padding: 0px; margin: 0px; line-height: 40px; font-family: "Microsoft yahei"; background-color: rgb(255, 255, 255); color: rgb(51, 51, 51); font-size: 16px;"> THD ≤5%<p microsoft="" yahei",="" simhei,="" sans-serif;"="" style="padding: 0px; margin: 0px; line-height: 40px; font-family: "Microsoft yahei"; background-color: rgb(255, 255, 255); color: rgb(51, 51, 51); font-size: 16px;"> 输出电压 42～58VDC 默认输出：53.5VDC<p microsoft="" yahei",="" simhei,="" sans-serif;"="" style="padding: 0px; margin: 0px; line-height: 40px; font-family: "Microsoft yahei"; background-color: rgb(255, 255, 255); color: rgb(51, 51, 51); font-size: 16px;"> 输出功率 4500w
