HIRSCHMANN TEST AND MEASUREMENT 975090701 安全插头, 2MM, 红色
The is a red cable-mount Safety Stackable Plug with solder connection for leads from 0.5 to 1mm², outer diameter of lead maximum. The 2.9mm spring-loaded plug and unsprung 2mm socket for onward connection capability of 1000V system, IEC 61010. It is made of PA housing with gold-plated beryllium copper contact spring and a brass spring-loaded pin.