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

Jams or sudden stops during an indexer's moving periods can subject its drivetrain to damaging torques. A few setups prevent damage in such situations. In engineering, indexing is the movement from an ...

Self-protecting starters (SPSs) were first introduced to the U.S. in 1987. However, SPSs have been used internationally for several years. Recently, several manufacturers and private labelers have ...

Art. 430, Part III provides the requirements for motor and branch-circuit overload protection. Because of inrush current, overload protection is separate from overcurrent and ground fault protection ...

The Model JTF accelerometer has been redesigned for additional overload protection to 20 times its range, and frequency ranges have been extended from 0 to 2,400 Hz. The JTF also has a new lightweight ...