The 25.320.0353.1 is a 3-pole right-angled marked Plug-in Terminal Strip provides quick-connect and disconnect of PC board wiring. All metal parts are recessed or enclosed in the insulating body to provide circuit protections and dead-front safety. Insulating housings are made of polyamide 6.6. Captive nickel-plated brass screws are secured against loosening. Contact springs and solder pins are tin-plated bronze.