Switch
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Knife Switch for PV Systems
The HK18-125/4 photovoltaic dedicated knife switch is suitable for control circuits with AC 50Hz, rated voltage up to 400V and below, and rated impulse withstand voltage of 6kV. It can be used as a infrequent manual connection and disconnection circuit and isolation circuit in household appliances and industrial enterprise purchasing systems, greatly improving the protection performance for personal safety and preventing accidental electric shock.
This product complies with the GB/T1448.3/IEC60947-3 standard.
“HK18-125/(2, 3, 4) “where HK refers to the isolation switch, 18 is the design number, 125 is the rated working current, and the last digit represents the number of poles.