The American Zettler AZ6951-5 is an electromechanical relay with a single-pole, single-throw normally open contact configuration. It is designed to handle a maximum current of 5A and operates at a voltage of 5VDC. The relay has a resistance of 125 Ohms and can be easily mounted onto a PCB through its through-hole terminals. It is a reliable and versatile component suitable for a wide range of applications requiring high-performance switching capabilities.