Category:power

Question:
thermal relay JR16B-60/3D 40-63A letters and figures mean? Select thermal relay should pay attention to what time?

Answer:
J — relay electrical, “Following” in Pinyin
R — “hot” Pinyin
16 — Design serial
B — Unknown
60 — rated current
3D — Three-phase protection
40-63A - Adjustable

the scope of protection of these parameters may be incorrect, the reference

should be noted that the protected motor rated current, set the thermal relay protection current in 105% of motor rated current

Answer:
The fundamental right upstairs, where B - on behalf of JR16 Improved, D - on behalf of a phase-failure protection .

Chinese:热继电器型号

类别: 电力

问题:
热继电器JR16B-60/3D 40-63A 字母和数字分别表示什么？选择热继电器时应该注意什么？

回答:
J－－－继电器电器“继”的拼音
R－－－“热”的拼音
16－－－设计序号
B－－－未知
60－－－额定电流
3D－－－三相保护
40－63A－－可调节保护范围

以上参数可能有误，之作参考

应注意被保护电动机的额定电流，设定热继电器保护电流在105％的电动机的额定电流

回答:
楼上说的基本正确,其中B–代表JR16的改进型,D–代表有断相保护.