Product news and technical notes
Technical notes are the part of this section that earns organic search traffic from engineers. 'How to read an Ex marking' is a query with intent; a company announcement is not.
- News2026-06-18
AM series extended with IE4 variants up to 250 kW
The general-purpose range now covers IE4 efficiency across frames 160 to 355, with unchanged IEC mounting dimensions.
- Technical note2026-05-30
Specifying a motor for variable-frequency supply
Insulation stress, bearing currents and cooling at low speed — the three things that shorten the life of a standard motor on a drive.
- Technical note2026-04-22
How to read an Ex marking before you order
II 2G Ex db IIC T4 Gb — what each field constrains, and why the certificate rather than the catalogue is the governing document.
- Technical note2026-03-11
What we need to quote a replacement machine
A nameplate photograph, four dimensions and one answer about the coupling are usually enough to open a technical conversation.
- Certification2026-02-05
Certification scope — review in progress
Certification listings on this prototype are placeholders pending confirmation of scheme, issuing body, number and validity.