EXCLUSIVE FORUM FOR MACHINE DISMANTLERS AND REPAIR PEOPLE > East Chicago
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> High Frequency Converters
> Johnson controls S66AA-1 electronic fan speed control
Johnson controls S66AA-1 electronic fan speed control
INPUT SIGNAL 0 TO 10 VDC CLASS 2
MOTOR VOLTAGE 120/277 VAC, 60 Hz, 1 PHASE
CONTROL VOLTAGE 24 VAC, 60 Hz, CLASS 2
BUILT IN RADIO FREQUENCY INTERFACE (RFI) SUPPRESION - INSULATES THE S66 FROM INTERFERENCE FROM OTHER DEVICES AND DETERS THE S66 FROM INTERFERING WITH OTHER EQUIPMENT.
INTERNAL ISOLATION TRANSFORMER (S66AA MODEL) - ALLOWS THE INPUT SIGNAL AND LOW VOLTAGE POWER SUPPLY TO UTILIZE THE SAME COMMON.
BUILT-IN TRANSIENT PROTECTION - EXCEEDS IEEE 587 STANDARDS
HARD START OF MOTOR (S6AA MODEL) APPLIES 90 TO 100% OF THE LINE VOLTAGE TO THE MOTOR FOR A PERIOD OF 7+3 SECONDS.
