□本产品适用于户内外地人50Hz,额定电E3.6KV系统及7.2KV 12Kv的系统,可与其它保护电器(开关、真空断路器等)配合使用,作为 高压电动机及其它电力设备的过载或短路等的保护元件。◆型号说明 Type instruction◆基本参数 Basic parameters 国内型号Foreign TYPE额定电压(KV)Rated voltage KV额定开断电流KARated break current KA熔断器额定电流ARated current of the fuse (A)熔体额定电流 (A) Rated current of the fuse link (A)主要尺寸Major dimensionsABCDXRNM1-3.6WDF.03.65012563,100,125337 (390)254 (312)305 (340)51WFF.0200125,160,20076WKF.0400250,315,355,400XRNM1-7.2WFF.07.216025,31.5,40,50,63,80,100,125,160486(500)403 (461)454 (150)76WKN.012315200,224,250,315注:1.以上是单管额定参数,可根据用户需要采用固定结构将熔断器并联,以得到高的额定电流值。Note:1.The aboveid rated parameters for single pipe,the fuses can be parallel connected by fixed structure to geta high rated current. 2.Sizes in the bracket are for inserting fuses.◆外型及安装尺寸Installation Dimensios图1母线式熔断器外形及安装尺寸 Chat1 Busbar fuse lnstallation Dimensions图2 插入式熔断器外形及安装尺寸 Chat2 Inserting fuse Installation Dimensions◆主要技术特点Main technical characteristics1、熔断器在规定的使用条件下,能可靠分断最小开断电流(1.6-3)In至KA额定开断电流之间的任何故障电流。2、时间-电流特性如图3,最小开断电流以上部分为虚线表示。3、限流特性如图4。4、12t特性如图5。1.In required working conditions,the fuse can break any fault current between the minimum break current 1.6-3 and therated break current.2.See Chart 3 for time-current property.The section above the minimum break current is by dotted line.3.See Chart 4 for current limn property.4.See Chart 5 for l2t property.◆基本参数 Basic parameters型号额定电压 UN(KV)额定电流IN(A)直径×长度d×L(mm)A(mm)C(mm)额定开断电流KA国外参考型号XRNM13.650Φ51×254标准尺寸33730563WDFHO6380100125160Φ76×254标准尺寸WKFHO200224502503153554007.225Φ76×403标准尺寸48645463WFNHO31.54050638010012516020050WDNHO224250Φ76×403Φ88×4033151225Φ76×403标准尺寸48645463 31.54050638010012516050200224
◆型号说明 Type instruction
注:1.以上是单管额定参数,可根据用户需要采用固定结构将熔断器并联,以得到高的额定电流值。Note:1.The aboveid rated parameters for single pipe,the fuses can be parallel connected by fixed structure to geta high rated current. 2.Sizes in the bracket are for inserting fuses.
1、熔断器在规定的使用条件下,能可靠分断最小开断电流(1.6-3)In至KA额定开断电流之间的任何故障电流。2、时间-电流特性如图3,最小开断电流以上部分为虚线表示。3、限流特性如图4。4、12t特性如图5。1.In required working conditions,the fuse can break any fault current between the minimum break current 1.6-3 and therated break current.2.See Chart 3 for time-current property.The section above the minimum break current is by dotted line.3.See Chart 4 for current limn property.4.See Chart 5 for l2t property.
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