TE Connectivity A Series Micro ISO Automotive Relays. TE Connectivity A series micro ISO automotive relays offer a wide voltage range and a limiting continuous current of 30 A. Typical applications include: lock control circuits, seat adjustment motors, window defoggers, starter solenoid switches, etc. Features and Benefits. SPDT contacts Suppression resistor fitted across coil IP rating: IP54 Contact Material: AgSnO2 Ambient Temperature Range: -40 to +125°C Pin assignment according to ISO 7588 part 3