9902
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68554282-9902
GEARMOTOR 2 RPM 120VAC CW
The holes in the mounting brackets are spaced at 1 U (1.75 in. or 4.45 cm), so the router can be mounted in any rack that provides holes spaced at that distance.
RATED voltage is the voltage on the nameplate - the "design point" for maximum power throughput and safe thermal operation.
The operating temperature is the range of ambient temperature within which a power supply, or any other electrical equipment, operate in. This ranges from a minimum operating temperature, to a peak or maximum operating temperature, outside which, the power supply may fail.
The resistance-change factor per degree Celsius of temperature change is called the temperature coefficient of resistance. This factor is represented by the Greek lower-case letter “alpha” (α). A positive coefficient for a material means that its resistance increases with an increase in temperature.
An encoder is classified into four types: mechanical, optical, magnetic, and electromagnetic induction types.
Tolerance is the percentage of error in the resistor's resistance, or how much more or less you can expect a resistor's actual measured resistance to be from its stated resistance. A gold tolerance band is 5% tolerance, silver is 10%, and no band at all would mean a 20% tolerance.
The “reduction” or gear ratio is calculated by dividing the number of teeth on the large gear by the number of teeth on the small gear.