Page 644 - ABB_Motor _Protection_and_Control_catalogue_20221216

4/96 ABB MOTOR PROTECTION AND CONTROL

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Accessories

Technical data

Electronic timers
Insulation Voltage 750 V
Impulse withstand voltage Uimp 4 kV
Control voltage, Uc 50 Hz, 60 Hz, DC 24-250 V
Tolerance of control voltage 0.85 ... 1.1 x Uc
Timing range MREBC10AC2 0.5 s - 60 s (+/- 6 s)
MREBC20AC2 0.2 s - 24 s (+/- 6 s)
04
Ambient air temperature Operation in free air -25 °C ... +55 °C
close to the timer Storage -55 °C ... +80 °C
Recovery time 100 ms
Repeatability +/-1 %
Temperature variation of delay % / ° C 0.075
Degree of protection IP20
Mounting position Any