With strong R&D strength and production capabilities, Dvolt now has become a professional manufacturer and reliable supplier in the industry. All our products including modular electrical equipment are manufactured based on the strict quality management system and international standards. modular electrical equipment Dvolt have a group of service professionals who are responsible for answering questions raised by customers through the Internet or phone, tracking the logistics status, and helping customers solve any problem. Whether you'd like to get more info on what, why and how we do, try our new product - Good Selling modular electrical equipment series, or would like to partner up, we'd love to hear from you.The product has obtained numerous certifications from international standards testing. It is tested to be of high performance and can be used for a long time.
1.1Function
Control electric circuits.
Protect people against indirect contacts and additional protection against direct contacts.
Protect installations against fire hazard due to insulation faults.Residual current circuit breakers are used in housing, tertiary sector and industry.
1.2Selection
Detectable wave form
Ac class
Tripping is ensured for slowly increasing sinusoidal AC residual currents.
A class
Tripping is ensured for sinusoidal AC residual currents and for pulsed DC residual currents, whether applied suddenly or increasing slowly.
Tripping sensitivity
30mA - additional protection against direct contact.
100mA - co-ordinated with the earth system according to the formula lan <50/R,to provide protection against indirect contacts;
300mA - protection against indirect contacts,as well as fire harzard.
Tripping time
Instantaneous
It ensures instantaneous tripping (without time -delay).
Short time delay
lt ensures any tripping at least 10ms.
Selective
lt ensures total discrimination with a nonselective RCD placed downstream.