ABB REM 610, Product Manual

Page: 23 / 36

Table 26. Phase reversal protection (REV)
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 27. Cumulative startup time counter and restart inhibit function (
Σ
tsi
)
Feature Value
Set restart inhibit value,
Σ
tsi
5...500 s
Countdown rate of startup time counter,
Δ
Σ
ts
/
Δ
t
2...250 s/h
Table 28. Temperature protection using RTD sensors or thermistors (ThA> and ThB>)
Feature Value
Operate time accuracy at definite-time
characteristic
±3% of the set operate time or 200 ms
1)
RTD sensors
Set alarm value, Ta1...6> 0...200ºC
Operate time, ta1...6> 1...100 s
Set trip value, Tp1...6> 0...200ºC
Operate time, tp1...6> 1...100 s
Hysteresis 5ºC
Operation accuracy ±1 ºC (±3ºC for Cu10)
Thermistors
Set trip value, Thp1> and Thp2> 0.1...15.0 kΩ
Operate time 2 s
Operation accuracy ±1% of the setting range
1) Note the response time of the RTD card (<8 s).
Motor Protection 1MRS756304 C
REM610
Product version: C
Issued: 30.10.2009
ABB 23