The PT65521L508 is a high-quality, reliable switch manufactured by APEM Inc. It is a DIP switch with four terminal positions, offering both normally open (N.O.) and normally closed (N.C.) contacts. The switch is activated using a 4-segment wheel, providing precise and accurate switching. It has a current rating of 0.15A and a voltage rating of 24VDC, making it suitable for various applications. The switch also boasts a power rating of 1.5VA, ensuring optimal performance. With PC pins for easy insertion and secure connection, this switch offers convenience during installation. It has a durability of 10,000 cycles, guaranteeing long-lasting use. The PT65521L508 has a standard 2.54mm thru-hole design, making it compatible with a wide range of through-hole circuits.