進口IDEC通用繼電器特征，和泉RU繼電器選型樣本

主要特征
兩種端子類型：插入式和 PC 板型。
插入式繼電器配備無性 LED 動作顯示燈。
無導線，無鉛設計。
采用無鎘觸點。
插入式繼電器配備機械指示器。
配備可區別 AC 與 DC 線圈的彩色鎖存桿。
鑲嵌式標記板（黃色）。也可選擇其它四種顏色。
zui大觸點容量： 1 0A (RU2)、 6A (RU4)、 3A (RU42)。
UL、 CSA、 c-UL 、符合 EN 規格。
和泉
薄型功率繼電器
通用繼電器
功率繼電器
功率繼電器
小型繼電器
閉鎖繼電器
繼電器
薄型功率繼電器
RJ系列

進口IDEC通用繼電器特征，和泉RU繼電器選型樣本
耐久性強，形狀小，觸點的容許電流大的薄型功率繼電器。
RJ系列PCB 端子型
耐久性*，形狀小，觸點的允許電流大的薄型功率繼電器。
RJ系列 雙觸點型
雙觸點（zui小適用負載：1V DC · 100μA）實現高接觸信賴性。工作原理和特性
功率方向繼電器
當輸入量（如電壓、電流、溫度等）達到規定值時，使被控制的輸出電路導通或斷開的電器。可分為電氣量（如電流、電壓、頻率、功率等）繼電器及非電氣量（如溫度、壓力、速度等）繼電器兩大類。具有動作快、工作穩定、使用壽命長、體積小等。廣泛應用于電力保護、自動化、運動、遙控、測量和通信等裝置中。[1]
電磁繼電器
電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)磁繼電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)器般由(you)鐵(tie)(tie)芯、線圈(quan)、銜(xian)鐵(tie)(tie)、觸(chu)點(dian)(dian)(dian)(dian)等組成(cheng)的(de)(de)(de)(de)。只要圈(quan)兩(liang)端加上定(ding)的(de)(de)(de)(de)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)壓(ya)，線圈(quan)中就會流(liu)過定(ding)的(de)(de)(de)(de)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)流(liu)，從而(er)產生電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)磁效(xiao)應，銜(xian)鐵(tie)(tie)就會在(zai)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)磁力吸引的(de)(de)(de)(de)作(zuo)用(yong)下克服返回彈(dan)簧的(de)(de)(de)(de)拉力吸向鐵(tie)(tie)芯，從而(er)帶動(dong)銜(xian)鐵(tie)(tie)的(de)(de)(de)(de)動(dong)觸(chu)點(dian)(dian)(dian)(dian)與(yu)靜(jing)(jing)觸(chu)點(dian)(dian)(dian)(dian)（常(chang)開觸(chu)點(dian)(dian)(dian)(dian)）吸合(he)。當線圈(quan)斷電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)后，電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)磁的(de)(de)(de)(de)吸力也(ye)隨之消失(shi)，銜(xian)鐵(tie)(tie)就會在(zai)彈(dan)簧的(de)(de)(de)(de)反作(zuo)用(yong)力返回原來(lai)(lai)的(de)(de)(de)(de)位置，使動(dong)觸(chu)點(dian)(dian)(dian)(dian)與(yu)原來(lai)(lai)的(de)(de)(de)(de)靜(jing)(jing)觸(chu)點(dian)(dian)(dian)(dian)（常(chang)閉(bi)觸(chu)點(dian)(dian)(dian)(dian)）釋放。這(zhe)樣(yang)吸合(he)、釋放，從而(er)達到(dao)了在(zai)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)路(lu)中的(de)(de)(de)(de)導通、切斷的(de)(de)(de)(de)目的(de)(de)(de)(de)。對于繼電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)器的(de)(de)(de)(de)“常(chang)開、常(chang)閉(bi)”觸(chu)點(dian)(dian)(dian)(dian)，可以這(zhe)樣(yang)來(lai)(lai)區分：繼電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)器線圈(quan)未通電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)時(shi)處于斷開狀(zhuang)態的(de)(de)(de)(de)靜(jing)(jing)觸(chu)點(dian)(dian)(dian)(dian)，稱(cheng)為(wei)“常(chang)開觸(chu)點(dian)(dian)(dian)(dian)”；處于接通狀(zhuang)態的(de)(de)(de)(de)靜(jing)(jing)觸(chu)點(dian)(dian)(dian)(dian)稱(cheng)為(wei)“常(chang)閉(bi)觸(chu)點(dian)(dian)(dian)(dian)”。繼電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)器般有兩(liang)股電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)路(lu)，為(wei)低壓(ya)控制(zhi)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)路(lu)和高壓(ya)工作(zuo)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)路(lu)。