Tongou electrical focus on manufacturing residual current circuit breaker products for almost 25 years, which has been dedicated effort to protecting
personal safety, providing electricians protection against electric shocks when they are installing power distribution system and maintaining circuit.
As time goes, Tongou has developed Type A and B residual current circuit breakers, for improving and protecting the DC and new energy system from only
Type AC residual current devices
To stay true to our mission, insisting on producing superior quality products to keep electricity safety for each user.