FAQs

Frequently Asked Questions.


Product Image Item Name- Price

Are any motors available from stock, and in small quantities?

REPLACEMENT (STOCK) MOTORS Whilst most of our motors are built to order and to agreed designs we do recognise, that after years of service, motors may need replacing to extend the life of the...


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Can motors be manufactured to non-European standards?

MOTOR STANDARDS Our factory at Gainsborough is fully recognised by both American Underwriters Laboratories (UL) and Canadian Standards Association (CSA). Should motors be required to be built to...


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Can my motor run at different speeds?

MOTOR SPEEDS The answer to the question "Can my motor run at different speeds?" is generally - yes! The no-load speed of an A.C. motor is determined by the mains frequency and the number of...


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How hot is the motor allowed to get?

MOTOR TEMPERATURE LIMITS The motor is designed with a thermal insulation system which allows temperature rise within prescribed limits. Our Class B insulation is suitable for a temperature rise,...


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How long can motors be stored before use?

MOTOR STORAGE It is naturally preferable for motors to be put into use as soon as possible after manufacture and delivery. It saves storage space, and money. It also keeps the warranty current....


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How will my motor cope with different voltages and frequencies?

VOLTAGES & FREQUENCIES All countries worldwide have their own national voltage and frequency systems. These are subject to strictly controlled tolerances which are well publicised. When designing...


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The difference between sleeve bearings and ball bearings.

What are the advantages and comparisons between sleeve and ball bearings? MOTOR BEARINGS The bearing system environment, temperature, load, vibration, dirt and noise level, are crucial factors in...


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What is the difference between Shaded Pole and PSC motors?

SHADED POLE A shaded pole motor has a single set of coils, wound on salient poles which react with a fixed set of copper shading rings, to produce the rotational effect. This type of motor is...


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What is the max. ambient temp. for satisfactory motor operation?

MOTOR AMBIENT TEMPERATURE The motor rating quoted on the nameplate is applicable to an ambient temperature not exceeding 40ºC and an altitude up to 1000m above sea level. Applications above these...


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What is the meaning of motor rating, and the nameplate?

MOTOR NAMEPLATE   All our motors have nameplates printed on to the motor body. The nameplate contains information about the motor performance, the date and place of manufacture, and the...


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A.O.Smith Electrical Products Ltd, Heapham Road Ind. Est., Gainsborough, Lincs DN21 1XU. UK
Phone: +44(0)1427 614141     Fax: +44(0)01427 617513
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