these screwless terminals are suitable for both solid and flexible conductors a spring made of stainless strip steel guarantees permanent and safe contact operation by pushing the lever with a screwdriver (this lever is fully integrated in the body) equipped with a cover for easy manual adjustment blocks are stackable Product basic info Primary colours: Green Additional colours: Orange Depth unit: 7.5 mm Height unit: 14 mm Width unit: 10.25 mm Weight unit: 2.7 g Material: Glass-filled polyester Additional material: Polyamide 66 Physical properties Shape: Square Diameter lead: 0.9 mm Contact material: Brass Solder pins material: Tin-plated Spring material: Stainless steel Electrical data Current rating: 16 A Dielectric strength voltage rating VAC: 2500 V Minimum insulation withstand voltage rating VAC: 2000 V Voltage rating VAC per way: 300 V Insulation withstand voltage (VAC per min): 1500 V Maximum current per way: 15 A Minimum insulation resistance at 5000 VDC: 500 megohm Technical data Mounting type: PCB mounting, Through hole Number of contacts: 2 Flammability rating: UL 94 V-0 Pitch: 5 mm Environmental data Operating temperature range: -33-120 °C Soldering tip temperature: 250 °C Operational properties Stackable: Yes Connections Wire size AWG range: 14-20 AWG Wire size mm²: 0.6-1.5 mm² Wire size: 2.5 mm² Electrical connections Connector shape: Straight IT connections Connection type: Screwless push button Power supply Voltage rating VAC: 250 V AC (EN)