When you order an electric motor from Gibbons, one of the
first pieces of information we’ll need is the frame size required. As a general
rule, the larger the frame size, the greater the motor’s output. But how exactly
are electric motor frame sizes calculated?
To explain frame sizes, it’s necessary to understand a
motor’s full model code. For this we’ll use a Gibbons M Series electric motor with
model number MY712-2 as an example.
This motor has the following characteristics:
- MY - The initial letter(s) are manufacturer specific.
- 71 - The first numbers denote the motor’s frame size (the distance, in millimetres, from the underside of the feet to the centre of the shaft). This generally begins at 56 and can be anything up to 450.
- 2 - The next digit refers to lamination pack length, with 1 being the shortest. Pack length is normally 1, 2 or 3 but can be even greater. Some manufacturers use a numbered system while others prefer letters.
- 2 - The final digit refers to pole speed, which will usually be two, four, six or eight.
If you’re unsure about any aspect of electric motor
designation, contact us on 01621 868138 or email info@gibbonsgroup.co.uk and one of
our friendly team will be on hand to help. You can also browse
our range of ABB electric motors, along with our own high-performance
selection.
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