HK4100F-DC12V HK4100F-DC12V-HSG HK4100F-DC12V-SDG HK4100F-DC12V-SH HK4100F-DC12V-SHC HK4100F-DC12V-SHG HK4100F-DC12V-SHG 继电器 HK4100F-DC24V HK4100F-DC24V-SDG HK4100F-DC24V-SHG