
Ingress Protection / IP Ratings
Random numbers or useful information? IP ratings explained.

Motor Mounting Codes
Mounting codes refer to the position of mounting plates, feet …

IEC Efficiency Classes
The standard IEC 60034-30-1:2014 defines efficiency levels and …

NEMA insulation classes for motors
Heat kills, and the old standard by of using your hand to judge …

Mechanical Protection IK Ratings
Mechanical Protection ratings are defined by an IK rating, and …

Commutator Brush Maintenance
Many common problems with commutator brushes are the result of …

Commutator wear patterns
Commutator wear patterns reveal a lot about the health of your …

Commander SK Diagnostic Status Error and Trip Codes
Understanding trip codes is an important part of keeping your …

Unidrive SP Error and Trip codes
All drives are going to trip at some point or other. Next time …

Why use a DC Motor?
DC motors have a couple of advantages, Torque and Speed Variation. …

What is a soft starter?
Motors can frequently require a large amount of energy when they …

IC Cooling methods and degrees of IP protection
Motors can be supplied with a variety of cooling and IP methods. …

Control Techniques Unidrive M700 - Diagnostic Status Trip and Error Codes
Understanding trip codes is an important part of keeping your …

Control Techniques Unidrive M200 - Diagnostic Status Trip and Error Codes
Understanding trip codes is an important part of keeping your …

What are asynchronous AC motors?
Asynchronous AC motors, commonly known as induction motors, are …

Frame sizes, power and current
Frame size, Motor Power and Motor current values for a typical …

Electric Motor Duty Cycles
IEC (the International Electrotechnical Commission) uses eight …

IE2 & IE3 How do the numbers add up?
When looking at the purchase cost of motors it’s easy to get …

Resolvers and Encoders - What's the difference?
Both resolvers and encoders measure the rotary position of a …