Thank you for visiting one of our most popular classic articles. If you’d like to see updated information on this topic, please check out this recently published article, Motor Calculations — Part 1.

Motors and their associated equipment must be protected against both overload and overcurrent (short circuit or ground fault). This function is usually split, with ...

Mechanical overload-protection devices, such as the EAS -Compact backlash-free, ball-detent torque-limiting clutch, can disconnect drive and driven components almost instantaneously. So-called soft ...

The usual way of preventing a small motor from drawing too much current is to install overcurrent protection in the form of a circuit breaker or some other kind of limiter. But installations that ...