Số hiệu tiêu chuẩn
IEC 60255-8*CEI 60255-8
Tên tiêu chuẩn
Electrical relays. Part 8 : Thermal electrical relays
Ngày phát hành
1978-00-00
Tiêu chuẩn tương đương
DIN IEC 60255-8 (1984-10), IDT * DIN IEC 60255-8 (1982-01), IDT * DIN VDE 0435-302 (1988-04), MOD * BS 142 Section 2.3 (1984-05-31), MOD * BS 142-2-2.3 (1984-05-31), NEQ * SEV-ASE 3438-8 (1980), IDT * SS-IEC 255 (1984-12-25), MOD * UNE 21136-8 (1983-12-15), IDT * UNE 21136-8 (1983-12-15), NEQ
Từ khóa
Definitions * Electrical engineering * Electrical protection equipment * Inspection * Marking * Measuring relays * Overload (electric) * Overload protection * Overload relays * Precision * Protective relays * Ratings * Relays * Specification (approval) * Thermal measurement * Overload * R.M.S. value * Insulations * Excitation quantity * Contact behaviour * Short-time operation * Minimum operating current * Direct voltage * Temperature * Ambient temperature * Tripping characteristics * Continuous operation * Overload tests * Zones of reach * Switches * Thermal * Overheating protection * Contact circuit * Frequencies * Safety engineering * Vibration * Limits (mathematics) * Testing * Operating mode * Protection devices * Alternating voltages * Shocks