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Specifications - GE SFF201A Instructions Manual

Static frequency relays

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GEK-90636
SPECIFICATIONS
DC Control Voltage
Nominal 48, 110, 125, 220, 250
Minimum 37 Volts
Maximum 280 Volts
AC Control Voltage
Nominal 110-120 Vrms
Minimum 45 Vrms
Maximum 132 Vrms
AC Measurement Input
Nominal 120 Vrms
Minimum 42 Vrms (35% of nominal)
Maximum 132 Vrms (110% of nominal)
Settings
Frequency
SFF2O(-)A:
Setpoint 40.0 to 79.9 Hz in 0.1 Hz steps
SFF2O(-)B:
Setpoint 40.0 to 79.9 Hz in 0.01 Hz steps
Repeatability ±0.002 Hz
Timing
SFF2O(-)A:
Setpoint 0 to 1.55 seconds in 0.05 second steps
SFF2O(-)B:
Setpoint 1 to 255 milliseconds in 1 millisecond steps
Setpoint 0.lto 25.5 seconds in 0.1 second steps
Repeatability ± 3%
Undervoltage
Setpoint 35% to 95% in 5% steps based on l2OVrms nominal
Setpoint Accuracy ±5%
Repeatability ±3% of setting from 35% to 90%
Rate of change (multi-setpoint models only)
Frequency 1 to frequency 2: IN or OUT
Frequency 2 to frequency 3: IN or OUT
Frequency 3 to frequency 4: IN or OUT
Environmental
Operating
-20°C to +55°C 95% relative humidity (noncondensing). Note that the unit
will not malfunction, nor be damaged, in ambient up to + 65°C
Storage
-40°C to + 75°C 95% relative humidity (noncondensing)
Surge
ANSI C37.90 (SWC and Fast Transient)
IEC 255
GE RFI
7

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