61
Feature Value
Drop-off/pick-up ratio, typical 0.95
Operate time accuracy
*
46 PICKUP + 0.065…4.0 x FLA ±5% of the calculated operate time or ±100
ms
Operation accuracy ±5% of the set pickup value
Disable of 46 I < 0.12 x FLA or I > 4.0 x FLA
Table 5.1.4.13.-8 Element 46R
Feature Value
Trip value NPS ≥75% of the maximum phase current
Time/current characteristic
*
definite time operate time 220 ms ±50 ms
Resetting time, typical 100...200 ms
Drop-off/pick-up ratio, typical 0.95
Table 5.1.4.13.-9 Element 66
Feature Value
Set restart disable value, 66 5...500 s
Countdown rate of start-up time counter, 66
COOL/Δt
2...250 s/h
Table 5.1.4.13.-10 Elements 49/38-1 and 49/38-2
Feature Value
Operate time accuracy at definite-time
characteristic
±3% of the set operate time or 200 ms
a)
RTD sensors
Set alarm value, RTD1...6A 0...200°C
Operate time, RTD1...6A TDLY 1...100 s
Set trip value, RTD1...6T 0...200°C
Operate time, RTD1...6T TDLY 1...100 s
Hysteresis 5°C
Operation accuracy ±1°C
(±3°C for Cu10)
Thermistors
Set trip value, PTC1 and PTC2 0.1...15.0 kΩ
Operate time 2 s
Operation accuracy ±1% of the setting range
a)
Note the responce time of the RTD card (<8 s).
Motor Protection Relay
Technical Reference Manual - ANSI Version
REM 610REM 610
1MRS755537
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