Feed-through terminal block ST-2.5. 0.08 to 4 mm² cross section. 31 A maximum load current. Spring-cage connection. 12 to 28 AWG. Grey colour. Mounting type: NS 35/7.5, NS 35/15. Polyamide insulating material. The consistent double function shaft offers every opportunity for time-saving potential distribution and accommodating test accessories. As well as saving space, the compact design and front connection enable user-friendly wiring in a small amount of space. The large wiring space enables the use of conductors with ferrules and plastic collars within the nominal cross section. Tested for railway applications.