RA021U

Motor starter

Properties of RA021U

Overall Length:
4.375 inches
Overall Height:
3.250 inches
Overall Width:
4.062 inches
Ac Voltage Rating:
170.0 volts
Frequency Rating:
60.0 hertz
Actuation Method:
Magnetic
Performance Type:
Automatic
Duty Cycle:
Continuous
Mounting Configuration:
Three 0.172 in. Diameter mtg holes irregularly spaced
Operating Voltage Characteristic:
Full
Horsepower Rating:
1.000
Actuator Voltage:
110.0 ac
Load Protection Type:
Overload and undervoltage release
Ambient Temp:
50.0 degrees celsius
Inclosure Feature:
Open
National Electrical Manufacturers Association Standards Design:
Not designed per nema std
Control Type:
Remote
Phase:
Single
Frequency In Hertz:
60.0
Reference Number Differentiating Characteristics:
As differentiated by the voltage, frequency, phase and horsepower
NSN:
6110-00-683-5461
Description:
Starter,motor
Cage Code:
04009

Definition Motor Starter

A device primarily designed to control the supply circuit(s) of a motor in order to accelerate the motor from rest to normal speed. Includes manual starters with overload protection and manual, automatic or semiautomatic starters consisting of combinations of items such as relays, resistors, switches, circuit breakers, etc. Excludes relay-switch; circuit breaker; switch (as modified) and relay (as modified). For devices, which in addition to starting and stopping, reverse, select and/or regulate the speed of a motor, see controller (as modified).

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Last modified 11/16/2024