Hongfa solutions for electric vehicles
Discover Hongfa's extensive experience in the research and development of new energy relays for the electric vehicle industry, as well as supporting charging equipment.
As a leading supplier in the field of power relays, Hongfa works closely with many well-known companies in the world. The two main products of new energy relays with a variety of product specifications are specially designed and developed to meet the different needs of different industries.
Mode 3 (AC)
Overcurrent / Short Circuit Protection
MCB/RCBO
Limits energy as low as 75kA²s
Surge Current Requirement very low
High temp threshold
Automatic reclosing of supply possibilities
Car needs to be disconnected before switching back on (Wallbox to verify over PP)
Reclosing Device needs to measure fault free state (ARD acc. e.g.: IEC/EN 63024)
Some countries prohibit automatic reclosing
High temp threshold
Switching Devices
Contactor with specs according to IEC/EN 61851-1 and IEC/EN 62955
Relay with specs according to IEC/EN 61851-1 and IEC/EN 62955
Switching of in a timely manner
Safely switching of (requirements for endurance and fault conditions)
RDC-DD
Product standard IEC/EN 62955
Detecting DC fault currents (limit of 6mA DC)
Switching of in a timely manner
Safely switching of (requirements for endurance and fault conditions)
Signal Control and I/O
Signal control to internal control boards
I/O control
Directly operated by µC
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