A motor protection relay safeguards electric motors by detecting thermal stress, phase imbalance, stall, and abnormal ...

Protecting an electronic circuit from damage due to excessive current or heat is the primary function of many circuit protection technologies. In the past, this protection took the form of a fuse or ...

Each motor branch circuit must be protected against short circuit and ground faults by an overcurrent device sized no greater than the percentages listed in Table 430.52. A branch-circuit ...

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 ...

All of the company’s semi-hermetic compressors are now equipped with a new motor protection device, called Motor Protection MP 10. The device indicates error ...

Note: This article is based on the 2011 NEC. Article 430 provides the requirements for electric motors while Art. 440 offers amended and additional requirements for hermetic motors, such as those used ...

Manufacturers of circuit protection devices continue to enhance the performance of their safety components to protect electronic devices and equipment, ranging from smartphones and wearables to data ...