Glarks 70Pcs(5Sets) Terminal Block Set, 5Pcs 4 Positions 600V 15A Dual Row Screw Terminals Strip + 5Pcs Pre-Insulated Barrier Strips + 60Pcs Insulated Fork Wire Connector (4P+Fork Connector) 4P+Fork Connector electronics3 A for lower limit while

A for lower limit while B for upper limit of the bass audio range

and fully autoclavable

Socket: brass

Specification: Mounting hole size: 7/8'' ( 22mm)Switch combination: 1NO 1NCOperation types: LatchingPower: 3A/12-220VPush Lock

Glarks 70Pcs(5Sets) Terminal Block Set, 5Pcs 4 Positions 600V 15A Dual Row Screw Terminals Strip + 5Pcs Pre-Insulated Barrier Strips + 60Pcs Insulated Fork Wire Connector (4P+Fork Connector) 4P+Fork Connector electronics3 A for lower limit whileGlarks 70Pcs(5Sets) Terminal Block Set, 5Pcs 4 Positions 600V 15A Dual Row Screw Terminals Strip + 5Pcs Pre Insulated Barrier Strips + 60Pcs Insulated Fork Wire Connector (4P+Fork Connector) Glarks 70Pcs(5Sets) Terminal Block Set, 5Pcs 4 Positions 600V 15A Dual Row Screw Terminals Strip + 5Pcs Pre Insulated Barrier Strips + 60Pcs Insulated Fork Wire Connector ?? Specifications:?: Terminal Block Strip Rated Value: 600V 15A Material: Copper, Plastic