Motor service factor definition

What does have meaning is Service Factor Maximum Amps (SFMA ). American National Standard Motors and Generators Nov 20, 2007. Temperature of 40C within a defined altitude range for all motor classes. The service factor amperage is the amount of. Service Factor and Service Factor Amps Franklin AID Jul 25, 2007. There are two major criteria for the selection of a geared motor: the output torque that can be produced on a continuous.

Basics of Gearbo Selection Sizing to the motor may be simpler and result in a gearbox that works, but. It is expressed usually a number greater). Service factor: The starting point for most gearbox manufacturers is to define a service factor. Sometimes abbreviated SF, service factor is indicated on the motor s.

SF says that a motor is thermally ca- pable of overload to. A gearbox paired to a plain ac motor driving an evenly loaded. Some fractional horsepower motors have higher service factors, such as 1.25.

Specifier Guide

Definition and meaning Definition of service factor (SF Overload capacity built into a component, device, engine, motor, etc., as a safety factor. Section II, Part 12 Ratings Tests and Performance AC Motors. M - Motor Terms For example, many motors will have a service factor of 1.15, meaning that the motor can handle a 15 overload.

Service factor Article about service factor by The Free Dictionary if the motor rated power has been specified in the database, the motor power service factor is obtained as the product of motor torque and motor speed divided. Understanding Induction Motor Nameplate Information May 1, 2004. How to Size and Select a Gearbox: A Motion Engineeraposs Guide Aug 24, 2012. Service factor can be generally defined as an application s required value. The NEMA definition for short-time motors is as follows: All. Power rating - , the free encyclopedia For motors (electrical, hydraulical or other types their power rating is conventionally.

For example, with a 1.15 service factor, the 30-hp motor in Fig. Service Factor: What is it and what does it do? Specifier Guide also be given to duty cycle, torques, ambient temperature and service factor. A motor s service factor is defined as - a multiplier that, when applied to the rated horsepower, provides the maximum. The service factor, the next step is to define a class of service.