TONGOU electrical focus on manufacturing residual current circuit breaker (RCCB) products for almost 25 years. Besides, TONGOU has been dedicated effort to protecting personal safety. Our RCCB products provide electricians protection against electric shocks when they are installing the power distribution system and maintaining circuit.
As time goes, TONGON has developed Type A and B residual current circuit breakers. Normally, it is useful for improving and protecting the DC and new energy system. To stay true to our mission, we are insisting on producing superior quality products to keep electricity safety for each user.