The AZ1631-06-1L is a heavy duty latching relay produced by Zettler. It is a SPDT (Single Pole Double Throw) latching relay that is rated up to 250VAC. It has an initial contact resistance of 100mO and a maximum contact rating of 40A. It has a coil resistance of 845O at 77°F and comes with an internal diode for protection. It is UL, CSA, VDE, and TUV approved. This relay is often used in a wide range of applications, including industrial, automotive, energy, lighting, communication and medical electronics.