Mike Krzyzewski is really a famous coach of Dream Team. She has coached north america men's basketball team for some time, that's clinched numerous medals for his country. Following Londonfl jerseys supplyn Olympic was over, Krzyzewski told The Associated Press that this game will be his final one as national coach, a job he's held for seven years. He had left open the possibility of swomen nfl jerseystaying with the team beyond the London Games, when practice on Saturday said these will be his last Olympics.When asked if he was sure, Krzyzewski didn't hesitate before again saying, "yecheap nfl jerseys wholesales," this will be his last game "If we could win it, then it might be three major championships in a row, i always do not know when that has been done because we haven't usually won http://govoriotkrito.bg/libs/nflcn08.htmthe globe championships," Krzyzewski said. "It becomes an enormous thing for the program." Whatever, he's an awesome coach. His achievement are going to be remembered by the country.cheap nfl jerseys

DZ47(C45)高分断小型断路器

更新:2013/9/23 15:13:52      点击:
  • 产品品牌   
  • 产品型号   DZ47(C45)
  • 产品描述

    DZ47(C45)高分断小型断路器,是上海人民电气有限公司 http://www.shamandq.com 为您提供的关于DZ47(C45)高分断小型断路器型号,DZ47(C45)高分断小型断路器价格...

产品介绍

主要用于交流50Hz/60Hz,额定电压至400V,电流至63A的电气线路及设备的过载和短路保护中,亦可用于作为线路不频繁转换之用。

小型断路器又分为C型和D型,一般家用为C型断路器电动机保护中选用D型断路器

按极数分类有:

单极(1P)断路器(微断、空气开关)

DZ47-63/1P?6A,DZ47-63/1P?10A,DZ47-63/1P?16A,DZ47-63/1P?25A,DZ47-63/1P?32A,DZ47-63/1P?40A,DZ47-63/1P?50A,DZ47-63/1P?63A.

二极(2P)断路器(微断、空气开关)

DZ47-63/2P?6A,DZ47-63/2P?10A,DZ47-63/2P?16A,DZ47-63/2P?25A,DZ47-63/2P?32A,DZ47-63/2P?40A,DZ47-63/2P?50A,DZ47-63/2P?63A.

三级(3P)断路器(微断、空气开关)

DZ47-63/3P?6A,DZ47-63/3P?10A,DZ47-63/3P?16A,DZ47-63/3P?25A,DZ47-63/3P?32A,DZ47-63/3P?40A,DZ47-63/3P?50A,DZ47-63/3P?63A.

四极(4P)断路器(微断、空气开关)

DZ47-63/4P?6A,DZ47-63/4P?10A,DZ47-63/4P?16A,DZ47-63/4P?25A,DZ47-63/4P?32A,DZ47-63/4P?40A,DZ47-63/4P?50A,DZ47-63/4P?63A.

按额定电流分:

6A、10A16A20A25A32A40A50A63A

额定工作电压单极为230V/400V,二极、三级、四级为400V.

按瞬时脱扣电流分C型和D型。

周围空气温度不低于-5度,不高于+40度,日平均值不超过+35度。

安装地点海拔高度不超过2000米。

大气相对湿度,在最高温度+40度时不超过50%,在较低温度时可以有较高湿度,如最湿月平均温度不超过+25度时,月平均相对温度不超过90%,并允许由于温度变化发送在产品表面的凝露。

断路器(微断、空气开关)使用地点的等级污染等级为2级。

断路器采用TH35-7.5型钢安装导轨安装。

断路器的安装类别通常为IIIII类。

断路器按正常工作位置安装,安装面与垂直面的斜度不大于正负5度。

断路器接线方法,用螺钉压紧接线。

断路器具有隔离功能。

 

本断路器(微断、空气开关)有触头、灭弧系统,电磁系统和脱扣机构及操作机构而组成,

电磁系统采用精密型和电阻型双金属材料,触头采用银氧化镉触头,另外还选用了增强耐弧塑料等新型材料,保证产品性能。

断路器的工作原理:

在断路器(空气开关)的正常工作情况下按动操作机构,使电源接通,此时脱扣机构闭锁,触头不动作,当电流过大时,电磁系统的双金属片产生变形,推动锁扣,使铁芯被吸引,触头在释放弹簧的作用下而断开,完成断路器的分断保护。

断路器安装前应注意以下事项:

检查断路器,确认完好无损,动作灵活;

检查断路器的标志是否与所使用的正常工作条件符合。

断路器安装时应注意接线端的标志。正确安装。

额定电流不能自行调节,且不需要进行维修。

安装及拆卸方法:

将断路器入轨处对准安装导轨下端,使断路器沿箭头方向向上推动,并按箭头放心将凹处推到安装导轨上端,松手即可。

与安装过程相反,使断路器沿箭头方向向上顶,使断路器反方向转动,即可卸下。

断路器(空气开关)(包括装箱产品)在运输和保管中,均不得受雨水侵袭,产品应放置在无雨雪侵入、空气流通的环境里,月平均相对湿度不大于90%(在20±5℃时),空气温度不高于+40℃与不低于-25℃的库房中。

断路器在运行中应定期检查,清除进出线及产品表面灰尘及污物,检查时应该却断电源,检查周期视工作条件绝对。

 

更多产品