RA Type thermal overload relay is mainly used electric system with AC 50~60HZ, rated operation voltage up to 600V, current to 250A.  It is used to protect AC three-phase asynchronous motor against overload and open-phase.  This product can be properly combined with type MA Magnetic Contactors and installed in an enclosed as motor starter to protect the motor from overload and open phase.

RA系列熱過載電驛適用於交流電50~60HZ, 額定電流至600V, 連續通電容量至250A.  供三相交流電開關過載及斷電保護用。並可與MA系列電磁接觸器組合安裝於鐵盒或電木盒內成為馬達控制器.

請點擊以下型號觀看詳細內容 Click Type No. to view details.

Type
型號

Setting Range(A)
調整範圍

N/W 
(kg)
重量

Contactor
搭配接觸器型號

RA-15(TH-10)

1.2 ~ 9

0.1

MA-09 ~ MA-15

RA-20 | RA-20E

1.2 ~ 18

0.16

MA-09 ~ MA-18

RA-30 | RA-30E

RA-40 | RA-40E

40

0.35

MA-40

RA-60 | RA-60E

41 ~ 67

神電電機股份有限公司 Shern Dian Electric Corp.

Tel: 886-2-2221-4081~3      Fax: 886-2-2221-5275      e-mail: sherndec@ms63.hinet.net