Electric Motor Specification (AC)

AC Voltage & Frequency:           Your choices are...             115 / 120V 60 Hz        115 / 120V is standard residential or commercial voltage for 60Hz power (North America).      208-230 / 240V 60 Hz        These are for 60Hz power (North America).      460 / 480V 60 Hz        These are for 60Hz power (North America).      575 / 600V 60 Hz        These are for 60Hz power (North America).      50 Hz / International Power        International voltage levels, such as those common in Asia and Europe, and includes all 50Hz power.      400 Hz / Aerospace        Motors and other components using 400Hz power are primarily used for aerospace applications.      Other        Unlisted voltage / frequency motor.      Search Logic:      All products with ANY of the selected attributes will be returned as matches. Leaving all boxes unchecked will not limit the search criteria for this question; products with all attribute options will be returned as matches.    Phase           Your choices are...             Single-phase        Standard commercial and residential power is single-phase, meaning one sinusoidal or other alternating voltage pattern.      Three-phase        Three-phase power contains three simultaneous sinusoidal or other alternating voltage patterns, typically 120° out of phase with each other. Higher power efficiency and smoothness of operation is possible with three-phase operation. Three-phase power is most typically used for industrial or high power motors.      Search Logic:      All products with ANY of the selected attributes will be returned as matches. Leaving all boxes unchecked will not limit the search criteria for this question; products with all attribute options will be returned as matches.    Shaft Speed:        Shaft speed refers to no-load rotational speed of output shaft at rated terminal voltage.      Search Logic:      User may specify either, both, or neither of the "At Least" and "No More Than" values. Products returned as matches will meet all specified criteria.    Continuous Output Power:        Mechanical power provided by the motor output.      Search Logic:      User may specify either, both, or neither of the "At Least" and "No More Than" values. Products returned as matches will meet all specified criteria.    Continuous Torque:        Output torque capability of the motor is under constant running conditions.      Search Logic:      User may specify either, both, or neither of the "At Least" and "No More Than" values. Products returned as matches will meet all specified criteria. AC Motor Type    Motor Type:           Your choices are...             Induction        Induction motors derive their name from the fact that current is induced into the rotor windings without any physical connection with the stator windings (which are directly connected to an AC power supply). Induction motors are adaptable to many different environments and capable of providing considerable power as well as variable speed control.  Typically there is "slip," or loss of exact speed tracking with induction motors.      Synchronous        Synchronous motors operate at constant speed up to full load. The rotor speed is equal to the speed of the rotating magnetic field of the stator; there is no slip.  Reluctance and permanent magnet are the two major types of synchronous motors. A synchronous motor is often used where the exact speed of a motor must be maintained.      AC Servomotors        AC servomotors are typically permanent magnet, synchronous motors that can often have low torque-to-inertia ratios for high acceleration ratings.      Universal        Universal motors can operate at approximately the same speed and output on either DC or single-phase AC power. Universal motors are also known as an AC/DC motors.      Other        Unlisted or specialized AC motor construction.      Search Logic:      All products with ANY of the selected attributes will be returned as matches. Leaving all boxes unchecked will not limit the search criteria for this question; products with all attribute options will be returned as matches.    Multi-speed?        Motor speed can be continuously adjusted or set at discrete speeds within the operating range.      Search Logic:      "Required" and "Must Not Have" criteria limit returned matches as specified. Products with optional attributes will be returned for either choice.    Reversible?        Motor can be run in both clockwise and counterclockwise directions with approximately the same operating characteristics.      Search Logic:      "Required" and "Must Not Have" criteria limit returned matches as specified. Products with optional attributes will be returned for either choice. Gearmotor / Gearhead Options    Motor Configuration:           Your choices are...             Motor Only        The motor does not have a gearbox of any kind.      Gearmotor        This category includes units with single integral gearheads, or replaceable / interchangeable gearhead options.      Search Logic:      All products with ANY of the selected attributes will be returned as matches. Leaving all boxes unchecked will not limit the search criteria for this question; products with all attribute options will be returned as matches.    Gearing (if applicable):           Your choices are...             Spur        Spur gear heads include one or more sets of pinion-gear sets, in which one pinion drives one gear. These sets can be stacked or cascaded to achieve higher reduction ratios.      Planetary        Planetary gear heads involve several gears per stage rather than one pinion-gear set.  A "sun gear" drives multiple planet or satellite gears, which then mesh on the inside of an internal or annular gear to provide relatively high torque and power transmission ratings.      Harmonic        Harmonic drives are extremely precise speed reduction systems, which transmit power via a rotating elliptical element that engages a flexible cup that then engages an internal gear, typically fixed. This power transmission delivers precise angular position in very high input-to-output ratio (50:1 & up) applications.      Worm        Worm gearing uses right-angled drives in which a worm drives a wheel coupled to the output shaft or shafts. This arrangement is used for high reduction and compact right-angle power transmission.      Bevel        Bevel gear sets have intersecting axes that are commonly, but not always, perpendicular. They mate via teeth on angled edges.      Other        Unlisted or specialized gearing arrangement.      Search Logic:      All products with ANY of the selected attributes will be returned as matches. Leaving all boxes unchecked will not limit the search criteria for this question; products with all attribute options will be returned as matches.    Gearbox Ratio:        Gearbox ratio is the ratio of input speed to output speed.  A ratio greater than one indicates speed reduction, while a ratio less than one indicates speed increase.      Search Logic:      User may specify either, both, or neither of the "At Least" and "No More Than" values. Products returned as matches will meet all specified criteria.    Gearbox Efficiency:        Efficiency is the percentage of power or torque that is transferred through the gearbox. Losses occur due to factors such as friction and slippage inside the gearbox.      Search Logic:      User may specify either, both, or neither of the "At Least" and "No More Than" values. Products returned as matches will meet all specified criteria. Feedback    Feedback           Your choices are...             Integral Encoder        Integral encoders are attached for angular position signal. These encoders may include absolute or incremental encoders and a number of different encoder signal types.      Integral Resolver        Integral resolvers indicate angular position. Resolvers often rely on magnetic fields and are typically very robust; they are sometimes specified for harsh environments.      Integral Tachometer        Tachometers produce an output indicating rotational speed of motor.      Other        Unlisted or specialized feedback signal.      Search Logic:      All products with ANY of the selected attributes will be returned as matches. Leaving all boxes unchecked will not limit the search criteria for this question; products with all attribute options will be returned as matches. AC Motor Shaft Options    Orientation / Type           Your choices are...             In-line        Output shaft axis is in-line with axis of motor rotation.      Offset / Parallel        Output shaft is parallel with, but not concentric to, the axis of motor rotation.      Right Angle        Output shaft axis is perpendicular to motor rotation axis, intersecting or nonintersecting.      Hollow        Hollow output shafts have a hole or bore that can accept a shaft.  Outputs with collets for tool bits are one example.      Other        Unlisted shaft angle or configuration.      Search Logic:      All products with ANY of the selected attributes will be returned as matches. Leaving all boxes unchecked will not limit the search criteria for this question; products with all attribute options will be returned as matches.    Number of Shafts           Your choices are...             Single-ended        One, single-ended output shaft.      Double-ended        Two output shafts. This may be one coming out the front and one coming out the back, or two coming out from a transverse gearbox.      Search Logic:      All products with ANY of the selected attributes will be returned as matches. Leaving all boxes unchecked will not limit the search criteria for this question; products with all attribute options will be returned as matches. AC Motor Housing    Design Units:      Refers to the base units for specifications such as diameter, length, and threading.  Combinations are possible and this information is not known for some products.    Your choices are...             English        Base units such as inches or fractions of an inch for primary dimensions as the shaft size, mounting geometry, etc.      Metric        Metric units such as millimeters or centimeters are used for primary dimensions as the shaft size, mounting geometry, etc.      Search Logic:      All products with ANY of the selected attributes will be returned as matches. Leaving all boxes unchecked will not limit the search criteria for this question; products with all attribute options will be returned as matches.    Motor Shape:           Your choices are...             Cylindrical Body        Cylindrical motor body cross-sections are round.      Square Body        Square motor bodies have a square or rectangular shape.      Search Logic:      All products with ANY of the selected attributes will be returned as matches. Leaving all boxes unchecked will not limit the search criteria for this question; products with all attribute options will be returned as matches.    Diameter / Width:        Diameter of cylindrical motors or width / height of square motors.  This is for the motor body only and does not include flanges.      Search Logic:      User may specify either, both, or neither of the "At Least" and "No More Than" values. Products returned as matches will meet all specified criteria.    Housing Length:        Housing length is the length of the motor body, not including shaft.      Search Logic:      User may specify either, both, or neither of the "At Least" and "No More Than" values. Products returned as matches will meet all specified criteria.    NEMA Frame Size:        NEMA frame sizes conform to a standard size and mounting configuration identified by the National Electrical Manufacturers Association (NEMA). Only numerical sizes are searchable in this field.      Search Logic:      User may specify either, both, or neither of the "At Least" and "No More Than" values. Products returned as matches will meet all specified criteria.    Enclosure Options           Your choices are...             Open Frame / Frameless        Open-frame of frameless enclosures have minimal or frame-like support, but no overall casing.      Search Logic:      All products with ANY of the selected attributes will be returned as matches. Leaving all boxes unchecked will not limit the search criteria for this question; products with all attribute options will be returned as matches. AC Motor Options    Integral Driver Electronics?        Integral driver electronics are on-board or attached drivers or amplifier electronics.      Search Logic:      "Required" and "Must Not Have" criteria limit returned matches as specified. Products with optional attributes will be returned for either choice.    Integral Brake?        Integral brake can be mechanical or electronic.      Search Logic:      "Required" and "Must Not Have" criteria limit returned matches as specified. Products with optional attributes will be returned for either choice.    Integral Clutch?        Integral clutches engage and disengage the motor.      Search Logic:      "Required" and "Must Not Have" criteria limit returned matches as specified. Products with optional attributes will be returned for either choice.    Brake / Clutch Combination?        Integral combination of brake and clutch.      Search Logic:      "Required" and "Must Not Have" criteria limit returned matches as specified. Products with optional attributes will be returned for either choice. Environment Full required ranged of ambient operating temperature.    Operating Temperature:        Full required range of operating temperature.      Search Logic:      User may specify either, both, or neither of the limits in a "From - To" range; when both are specified, matching products will cover entire range. Products returned as matches will meet all specified criteria.    Shock Rating:        Shock rating is the maximum shock the motor can withstand and still meet operating specifications.      Search Logic:      All matching products will have a value greater than or equal to the specified value.    Vibration Rating:        Vibrating rating is the maximum vibration the motor can withstand and still meet operating specifications.      Search Logic:      All matching products will have a value greater than or equal to the specified value.    Totally Enclosed        Totally enclosed motors have an enclosure that prevents free exchange of air between the inside and the outside of the enclosure. Common ratings are TEFC (fan-cooled) and TENV (non-ventilated); this is not an airtight rating.  These motors are most frequently used in potentially contaminated environments.      Search Logic:      "Required" and "Must Not Have" criteria limit returned matches as specified. Products with optional attributes will be returned for either choice.    Dust-proof        Dust-proof motors protect against dust infiltration with features such as total enclosure and labyrinth seals for shafts. The IP (Ingress Protection) rating for dust-proof motors is IP6x.      Search Logic:      "Required" and "Must Not Have" criteria limit returned matches as specified. Products with optional attributes will be returned for either choice.    Drip-proof        Drip-proof motors contain ventilation openings that are designed so that drops of liquid or solid particles falling from any angle within 15 degrees of vertical cannot enter the motor. Motors with an IP rating of IPx1 through IPx9 are considered drip-proof.      Search Logic:      "Required" and "Must Not Have" criteria limit returned matches as specified. Products with optional attributes will be returned for either choice.    Waterproof        There are several degrees of waterproofing applicable to motors and they are reflected in the IP rating for the motor: IPx1: Protection against vertically falling drops of water (drip-proof). IPx2: Protection against direct sprays of water up to 15 degrees from vertical. IPx3: Protection against direct sprays of water up to 60 degrees from vertical. IPx4: Protection against water sprayed from all directions. IPx5: Protected against low pressure jets of water from all directions. IPx6: Protected against high pressure jets of water from all directions. IPx7: Protected against the effects of immersion up to 1 meter. IPx8: Protected against long periods of immersion under pressure.      Search Logic:      "Required" and "Must Not Have" criteria limit returned matches as specified. Products with optional attributes will be returned for either choice.    Special / Extreme Environments           Your choices are...             Clean Room Use        Clean rooms are classified by particulate size and density in the ambient air.  One such rating method classifies rooms according to number of particles larger than 0.5 micron in one cubic foot of air. There are various governmental, metric, and international standards. Motors rated for suitability in a clean room will identify the particular standard for which they are rated.      Cryogenic Use        Motors with a cryogenic rating are constructed for extremely low ambient temperatures such as 20 K and below.      Explosion-proof        Explosion-proof motors have totally enclosed housings that are constructed to withstand internal explosion of a specified gas, vapor, or dust. Should such an explosion occur, the enclosure would prevent the ignition or explosion of the gas or vapor surrounding the motor enclosure. Several explosion-proof ratings are governed by Underwriter's Laboratories (UL).      Radiation-hardened        Radiation-hardened motors are constructed of materials designed to withstand high-energy gamma radiation. Ratings are expressed in units such as permissible RADs in total accumulated dose (TAD).      Vacuum Use        Vacuum-rated motors incorporate features such as lubricant vapor pressure below rated ambient vacuum and construction techniques.      Search Logic:      All products with ANY of the selected attributes will be returned as matches. Leaving all boxes unchecked will not limit the search criteria for this question; products with all attribute options will be returned as matches.