About Us

• Jovean & Rogy Electrical Holding Co., Ltd. (hereafter abbreviated as J&R Electrical) is the specialized manufacturer of modular electric terminal devices for household and similar installations. The wide range products under Jovean & Rogy Eletrical Holding Co.,ltd. Of... manufacturing cover Miniature Circuit Breaker (MBC), Residual Current Circuit Breaker (RCCB), Residual Current Circuit Breaker with Overcurrent Protection (RCOB), Switch-disconnector, Distribution Box or etc. In China, the company takes the reputation as the largest manufacturer of electro-magnetic type RCCB and RCBO. OEM or ODM projects are fully accepted, and currently the company is co-operating with numbers of renowned international corporations for such projects. J&R Electrical is an expert in developing and manufacturing residual current relays. Equipped with large super-depurated workshop facilities, it has the large production capacity of the relays in China. J&R Electrical is well equipped with testing apparatus to guarantee effective and sufficient quality control. Critical tests are able to be performed. Such tests include electro-mechanical, temperature rising, overcurrent characteristic, residual current operation, power frequency withstand voltage, resistance to abnormal humility and heating, resistance to mechanical impact and vibration and electric shock protection test, etc.