General Electric 12SFF31A1A Static Frequency Relay Type SFF Used
General Electric Static Frequency Relay
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Model: 12SFF31A1A
Type: SFF
Input Voltage: 120 V RMS, 44 to 61 Hertz
External Control Voltage: 48/110/125 VDC
External Resistor: 100/350/450
Adjustable AC Under-voltage Inhibit: 24 to 108 V RMS
Target & Seal-in Unit: .2/2.0 Amps
Under frequency Trip Setting Range: 44.00 to 60.98 Hertz
Restore or 2nd Trip Setting Range: N/A 44.00 to 60.98 Hertz
Time Delay Range-Trip: 0.070 to 1.30 Seconds
Instructions: GEK-49923
Parts Bulletin: GEF-4586
Frequency Setpoint = 1,000,000/[16,400+Sum of Switches in "1" Position] Hertz
Resistor Information
Manufacturer: Gamble Industries
Model: 202BG106
Ohms: 100, 350
Amp: .81, .35
2074 130W 20783