BK/S505-V-6.3-R BK/S505-V-800-R BK/S505-V-8-R BK/S506-1.25A BK/S506-1.25-R BK/S506-1.6A BK/S506-1.6-R BK/S506-100-R BK/S506-10A BK/S506-10-R