RH4B-D-DC12V RH4B-D-DC48V RH4B-D-LAC120V RH4B-D-LCDC12V RH4B-D-LCDC24V RH4B-D-LDC110V RH4B-D-LDC24V RH4B-LD-DC110V RH4B-LD-DC12V RH4B-LD-DC24V