28V3-001 28V3821L 2-8VDC 28VF040-200-4C-EH 28VF040-250-4C-EH 28VF040-300-4C-EH 28VF040-300-4C-NH 28VF040-300-4I-EH 28VF040300-4I-EH 28VF040-500-4C-EH