Motors can be wired delta or wye. Which arrangement do you choose, and how do you do it? For purposes of making the connection, it doesn’t matter to the installer if the motor is delta-wound or ...

Single-phase and 3-phase AC squirrel cage induction motors need some type of control circuit to initiate a start or stop function. The two types of ladder control circuits commonly used are the 2-wire ...

The modules mount directly next to other BL20 modules and are controlled by the same gateway, letting motors be controlled via DeviceNet, Profibus, or CANopen fieldbus protocols. Available in direct ...

In the original version of this article, the second figure contained an error. The image has been updated. It’s important for engineers to have a good, working ...

This article was updated May 15, 2023. It was originally published July 14, 2020. It often takes a lot of energy to get a motor up to speed. Across-the-line starters (DOL), the most common starter ...

Today, compressor overheating is one of the HVACR industry’s most serious field problems. Compressor overheating is usually caused from high compression ratios. High compression ratios can be caused ...