Số hiệu tiêu chuẩn
HD 420 S2
Tên tiêu chuẩn
Control-switches (low-voltage switching-devices for control and auxiliary circuit, including contactor relays)
Ngày phát hành
1988-04-00
Tiêu chuẩn tương đương
DIN 57660-200 (1982-09), MOD * DIN 57660-201 (1982-09), MOD * DIN 57660-202 (1982-09), MOD * DIN 57660-203 (1982-09), MOD * DIN 57660-204 (1982-09), MOD * DIN 57660-205 (1982-09), MOD * DIN VDE 0660-200/A2 (1989-08), IDT * BS 4794-1 (1979-05-31), NEQ * NF C63-140 (1985-10-01), IDT * NF C63-141 (1985-10-01), IDT * NF C63-142 (1985-10-01), IDT * IEC 60337-1 (1970), MOD * IEC 60337-1A (1973), MOD * IEC 60337-1B (1975), MOD * IEC 60337-2 (1972), MOD * IEC 60337-2 AMD 1 (1975), MOD * IEC 60337-2A (1973), MOD * IEC 60337-2B (1976), MOD * IEC 60337-2C (1977), MOD * OEVE HD 420 S2 (1990-11-28), IDT * UNE 20119-1 (1989-12-26), NEQ * UNE 20119-2 (1989-12-26), NEQ * UNE 20119-3 (1989-12-26), NEQ * UNE 20119-4 (1989-12-26), NEQ * UNE 20119-5 (1989-12-26), NEQ
Từ khóa
Auxiliary circuits * Auxiliary contactors * Control circuits * Control switches * Definitions * Electric control equipment * Electrical engineering * Inspection * Low voltage * Low-voltage equipment * Low-voltage switchgear * Specification (approval) * Switches * Switchgear * Classification * Contactor relays * Switching power * Ability to switch * Earthing conductor terminations * Earthing terminals