SFY2-DC18V,RELAY SAFETY 4PST 6A 18V
SFY2-DC21V,RELAY SAFETY 4PST 6A 21V
SFY2-DC24V,RELAY SAFETY 4PST 6A 24V
SFY2-DC5V,RELAY SAFETY 4PST 6A 5V
SFY3-DC12V,RELAY SAFETY 4PST 6A 12V