| Section 447-01: Terms relating to types |
| 447-01-01 | electric relay | |
| 447-01-02 | measuring relay | |
| 447-01-03 | specified-time measuring relay | |
| 447-01-04 | dependent-time measuring relay | |
| 447-01-05 | independent-time measuring relay | |
| 447-01-06 | electromechanical relay | |
| 447-01-07 | electromagnetic relay | |
| 447-01-08 | static relay | |
| 447-01-09 | analogue relay | |
| 447-01-10 | digital relay | |
| 447-01-11 | numerical relay | |
| 447-01-12 | polarized DC relay | |
| 447-01-13 | polarized AC relay | |
| 447-01-14 | protection relay | |
| 447-01-15 | control relay | |
| 447-01-16 | integrated protection relay | |
| 447-01-17 | integrated control relay | |
| 447-01-18 | integrated protection and control relay | |
| 447-01-19 | adaptive relay | |
| 447-01-20 | primary relay | |
| 447-01-21 | secondary relay | |
| 447-01-22 | shunt relay | |
| 447-01-23 | over... relay | |
| 447-01-24 | under... relay | |
| 447-01-25 | under and over... relay | |
| 447-01-26 | rate of change of... relay | |
| 447-01-27 | current relay | |
| 447-01-28 | voltage relay | |
| 447-01-29 | frequency relay | |
| 447-01-30 | impedance relay | |
| 447-01-31 | reactance relay | |
| 447-01-32 | distance relay | |
| 447-01-33 | mho relay | |
| 447-01-34 | earth fault relay | |
| 447-01-35 | phase fault relay | |
| 447-01-36 | thermal electric relay | |
| 447-01-37 | biased relay | |
| 447-01-38 | percentage relay | |
| 447-01-39 | unbalance relay | |
| 447-01-40 | differential relay | |
| 447-01-41 | directional relay | |
| 447-01-42 | power relay | |
| 447-01-43 | phase comparison relay | |
| 447-01-44 | regulating relay | |
| 447-01-45 | synchronizing relay | |
| 447-01-46 | auxiliary relay | |
| 447-01-47 | volt per hertz relay | |
| 447-01-48 | offset mho relay | |
| 447-01-49 | protection equipment | |
| 447-01-50 | arc flash protection device | |
| Section 447-02: Terms relating to conditions |
| 447-02-01 | operate condition, <of a measuring relay or protection equipment> | |
| 447-02-02 | reset condition | |
| 447-02-03 | initial condition | |
| 447-02-04 | operate, <for a measuring relay or protection equipment> verb | |
| 447-02-05 | reset, <for a measuring relay or protection equipment> verb | |
| 447-02-06 | change over, <for a measuring relay or protection equipment> verb | |
| 447-02-07 | cycle, <for a measuring relay or protection equipment> verb | |
| 447-02-08 | start, verb | |
| 447-02-09 | switch, verb | |
| 447-02-10 | operate value, <of a measuring relay or protection equipment> | |
| 447-02-11 | non-operate value | |
| 447-02-12 | reset value | |
| 447-02-13 | non-reset value | |
| 447-02-14 | start value | |
| 447-02-15 | test value | |
| 447-02-16 | final endurance value | |
| 447-02-17 | disengage, verb | |
| 447-02-18 | disengage value | |
| 447-02-19 | start condition | |
| 447-02-20 | disengage condition | |
| 447-02-21 | non-start value | |
| 447-02-22 | non-disengage value | |
| Section 447-03: Terms relating to energization |
| 447-03-01 | energizing quantity, <of a measuring relay or protection equipment> | |
| 447-03-02 | input energizing quantity | |
| 447-03-04 | auxiliary energizing quantity | |
| 447-03-05 | auxiliary power supply quantity | |
| 447-03-06 | energize, <for a measuring relay or protection equipment> verb | |
| 447-03-07 | input circuit, <of a measuring relay or protection equipment> | |
| 447-03-08 | input signal, <of a measuring relay or protection equipment> | |
| 447-03-09 | auxiliary circuit, <of a measuring relay or protection equipment> | |
| 447-03-10 | auxiliary power supply circuit | |
| 447-03-11 | rated value | |
| 447-03-13 | continuous thermal withstand value | |
| 447-03-14 | short-time thermal withstand value | |
| 447-03-15 | dynamic withstand value | |
| 447-03-16 | operating range, <of a measuring relay or protection equipment> | |
| 447-03-17 | rated power of an input circuit | |
| 447-03-18 | rated impedance of an input circuit | |
| 447-03-19 | analogue input signal | |
| 447-03-20 | binary input signal | |
| 447-03-21 | digital input signal | |
| 447-03-22 | communication input signal | |
| Section 447-04: Terms relating to output circuits |
| 447-04-01 | output circuit, <of a measuring relay or protection equipment> | |
| 447-04-02 | electronic output circuit | |
| 447-04-03 | output signal, <of a measuring relay or protection equipment> | |
| 447-04-04 | relay output | |
| 447-04-05 | contact circuit, <of a measuring relay or protection equipment> | |
| 447-04-06 | effectively conducting output circuit | |
| 447-04-07 | effectively non-conducting output circuit | |
| 447-04-08 | output make circuit | |
| 447-04-09 | output break circuit | |
| 447-04-10 | make contact | |
| 447-04-11 | break contact | |
| 447-04-12 | change-over contact | |
| 447-04-13 | start signal, <of a measuring relay or protection equipment> | |
| 447-04-14 | operate signal | |
| Section 447-05: Terms relating to times |
| 447-05-01 | opening time of an output break circuit | |
| 447-05-02 | closing time of an output make circuit | |
| 447-05-03 | opening time of an output make circuit | |
| 447-05-04 | closing time of an output break circuit | |
| 447-05-05 | operate time, <of a measuring relay or protection equipment> | |
| 447-05-06 | reset time, <of a measuring relay or protection equipment> | |
| 447-05-07 | bounce time | |
| 447-05-08 | recovery time, <of a measuring relay or protection equipment> | |
| 447-05-09 | critical impulse time, <of a measuring relay or protection equipment> | |
| 447-05-10 | disengage time | |
| 447-05-11 | start time | |
| 447-05-12 | overshoot time, <of a measuring relay or protection equipment> | |
| Section 447-06: Terms relating to influence quantities |
| 447-06-01 | influence quantity | |
| 447-06-02 | reference value | |
| 447-06-03 | reference conditions of influence quantities | |
| 447-06-04 | nominal range of an influence quantity | |
| 447-06-05 | extreme range of an influence quantity | |
| 447-06-06 | variation due to an influence quantity, <of a measuring relay or protection equipment> | |
| Section 447-07: Terms relating to characteristics |
| 447-07-01 | characteristic quantity | |
| 447-07-02 | setting value of the characteristic quantity | |
| 447-07-03 | limiting value of the characteristic quantity | |
| 447-07-04 | setting range of the characteristic quantity | |
| 447-07-05 | setting ratio of the characteristic quantity | |
| 447-07-06 | reset ratio | |
| 447-07-07 | reset percentage | |
| 447-07-08 | effective range | |
| 447-07-09 | characteristic angle | |
| 447-07-10 | correcting quantity | |
| 447-07-11 | polarizing quantity | |
| 447-07-12 | disengage ratio | |
| 447-07-13 | reset hysteresis | |
| 447-07-14 | disengage hysteresis | |
| 447-07-15 | dynamic performance | |
| 447-07-16 | transient response | |
| Section 447-08: Terms relating to accuracy |
| 447-08-01 | absolute error, <of a measuring relay or protection equipment> | |
| 447-08-02 | conventional relative error | |
| 447-08-03 | relative error, <of a measuring relay or protection equipment> | |
| 447-08-04 | mean error | |
| 447-08-05 | reference mean error | |
| 447-08-06 | limiting error | |
| 447-08-07 | reference limiting error | |
| 447-08-08 | consistency | |
| 447-08-09 | reference consistency | |
| 447-08-10 | variation of the mean error | |
| 447-08-11 | accuracy class, <of a measuring relay or protection equipment> | |
| 447-08-12 | class index | |
| 447-08-13 | declared error | |
| 447-08-14 | intrinsic error, <of a measuring relay or protection equipment> | |
| 447-08-15 | setting error | |
| 447-08-16 | accuracy, <of a measuring relay or protection equipment> | |
| 447-08-17 | operating accuracy | |
| 447-08-18 | intrinsic accuracy | |