AZ2732-521-52 is a 12V solenoid relay made by Zettler Electronics. It has single pole double throw (SPDT) contacts, an LED indicator and an integral suppressor diode. The relay coil has a nominal resistance of 330 ohms and can handle up to 5A. The contacts have an insulation rating of 5kV for analysis and 4kV for working voltage, and their contact rating is rated at 10A. This particular model is approved for use in UL, CSA, VDE, and CCC applications.