The HE12-1A83-03 is a high-voltage reed relay featuring a 1 Form A normally open contact. It is designed to handle a maximum switching voltage of 7,500V and a switching current of 3.0A, with a maximum rated power of 50W. The relay operates on a nominal 12VDC coil with a typical resistance of 260 Ohms and has a minimum breakdown voltage of 10 kVDC. With a fast operating time of 3.0 ms, it is well-suited for applications such as high voltage test sets, cable testers, and medical equipment.