25.503.6353.0 is a marked PCB terminal block designed for electrical interconnection on printed circuit boards. It features a 3-pole configuration with 5.08 mm spacing and is equipped with an insulating plate and fixing bolts for secure mounting. The terminal block has a pitch of 5.08 mm and accommodates wire gauges from No. 22 to 12 AWG, with a rated voltage of 300 V and current capacity of 25 A. This component is commonly used in industrial control systems, power distribution modules, and electronic equipment requiring reliable multi-pole electrical connections on PCBs.