TOSAR+RD4B Type B RCD Auto Recloser 10KA RCCB 63A 30 100 300mA

Tongou Type B RCD Auto Recloser TOSAR+RD4B

TOSAR+RD4B automatic reclosing is suitable for residential, commercial and industrial environments requiring high reliability protection. Especially on high-voltage transmission lines, it can significantly improve the parallel operation stability and power supply reliability of the power system.
In addition, it can save investment in the power grid design and construction process and reduce economic losses caused by power outages through automatic reclosing.

Main Features

Multifunctional integration: TOSAR+RD4B automatic reclosing integrates multiple protection functions such as overload, short circuit and residual current (leakage), providing comprehensive electrical safety protection.

Automatic reclosing technology: Using advanced automatic reclosing technology, it can automatically try to restore power supply after detecting instantaneous faults, reduce power outage time and improve power supply reliability.

Wide voltage adaptability: Supports AC 230V/400V line voltage range and AC 220V/380V phase voltage range, suitable for a variety of voltage environments.

High current carrying capacity: Provides rated current options from 16A to 63A to meet different load requirements.

High voltage resistance performance: The rated residual operating current is 30mA, 100mA, and 300mA, providing Type B residual current characteristics to protect personal and equipment safety.

Long life design: The electro-mechanical durability exceeds 15,000 cycles, ensuring the long-term stable operation of the product.