Q-Four-PRINCIPLE industrial drives

Fast response and production times with cost optimisation.

Our customers make integrate systems to come to grips with increasingly complex applications and we guarantee process continuity with a wide range of tools and proven reliability.

We have 10.000 square meters of warehourse storage of more than
50.000 electrical drives. That means you can get frequency drives, gears and electric motors ex stock. Available when required. Benefit from our experience - both in person and online: call up technical data, order products, configure options and check availability. 
 

Our comprehensive range of supplies

 
short-term availability:

| sizes 63 – 400 low-voltage motors

  • "standard efficiency IE1"
  • "high efficiency IE2"
  • "premium efficiency IE3"
  • "super-premium efficiency IE4"
  • progressive sizes 
  • aluminium and grey cast-iron design 
  • protective systems IP 55, IP 56, IP 65
  • IP 23 protective system 
  • special voltages/frequencies
  • various marine classifications
  • ATEX zone 1, 2, 22 and 21 
  • ATEX EEx-de, EEx-e
  • single-speed, pole-changing and voltage-changing

| medium and high-voltage motors
| frequency converters for various
protective systems
| coolant pumps

Low-voltage motor classes


  • efficiency classes: IE1, IE2, IE3, IE4
  • frequency: 50 Hz, 60 Hz
  • numbers of poles: 2-, 4-, 6-, 8-, 10-pole (including pole changing motors)
  • sizes: 63 – 400 in stock (including progressive sizes)
  • protective systems: IP 55, IP 56, IP 65
  • various quality assurance tests: NEMA, UL, CSA etc.
  • isolation class: F
  • approval for ship drives: certificates for DNV, GL, BV, LRS, Rina


Medium/high voltage motors


  • frequency: 50 Hz, 60 Hz
  • rated voltage: 3 – 13,8 kV
  • output: 185 kW – 5 MW
  • numbers of poles: 2-, 4-, 6-, 8-, 10-, 12-pole
  • sizes: 315 – 630
  • protective systems: IP 55, IP 23
  • various cooling methods (IC 411, IC 01, IC 418)
  • isolation class: F


IP 23-motors

  • efficiency classes: IE2, IE3
  • frequency: 50 Hz, 60 Hz
  • output: 11 – 710 kW
  • numbers of poles: 2-, 4-, 6-pole
  • sizes: 160 – 355
  • protective system: IP 23 (open design)
  • isolation class: F


Explosion-proof motors

  • efficiency classes: IE2, IE3
  • frequency: 50 Hz, 60 Hz
  • numbers of poles: 2-, 4-, 6-, 8-pole
  • sizes: 63 – 315
  • isolation class: F
  • protection types: Ex e, Ex d, Ex nA, Ex tb, Ex tc

 
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