2 Pins 3Pins 4Pins 0.1 inch Pitch Screw Terminal Block Connector. Rated Voltage: 150V; Rated Current: 6A. Screw terminals accomodate wire sizes from 18AWG to 26AWG. Quick Connection: Screw Terminal on header provide secure connection and quick disconnection. Widely Applications: It is well-suited for interfacing with I/O cards, data acquisition (DAQ) equipment, and any other device that uses a 2.54mm/0.1in header connector. Applications include the for Raspberry Pi A+, B+, 2B, and 3B boards, for Arduino, all of which use a 0.1 inch pitch pin header for their GPIO expansion ports. Specifications: Pitch: 2.54mm/0.1 inch PIN: 2P, 3P, 4P Pin Header: Brass, Tin plated Screw: M1.6, steel, tin plated Clips: Stainless Steel Rated Voltage: 150V Rated Current: 6A Withstanding Voltage: AC 1250V/ 1Min Wire Range: 26-18AWG(UL) Wire Range: 1mm2(IEC) Temperature Range: -40° ~ +105° Stripping length: 5-6mm Maximum tightening torque: 0.1Nm(0.88lb-in) Color: Green Material: Plastic+Metal Package Contents: 50 x Screw Terminal Block(20 x 2p+20 x 3p+10 x 4p)