The A3992 from Allegro MicroSystems is a complete microstepping motor driver with serial interface and outputs rated at ±1.5 A and 50 V. The A3992 from Allegro MicroSystems is a complete microstepping ...

Worcester, Mass.—Allegro MicroSystems Inc. recently expanded its microstepping motor driver line to include four new devices that require fewer external components and use a simple STEP and Direction ...

Q. Does the Code allow a single overcurrent device to provide overload, short circuit, and ground fault protection for a motor? Can you also show me an example of how to size it? (Answer based on 2011 ...

All questions and answers are based on the 2011 NEC. Q. What is the Code rule for motor control circuit overcurrent protection? A. Motor control conductors that aren’t tapped from the 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 ...

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 ...

PULLMAN, WA — September 26, 2013 — Schweitzer Engineering Laboratories, Inc. (SEL) today announced the introduction of the SEL-710-5 Motor Protection Relay, which protects both synchronous and ...

In continuing to provide the protective relay market with the newest innovations for replacement units, Basler Electric is offering a microprocessor-based BE1-50/51B-230 as an exact plug and play ...

For the PDF version of this article, click here. New industrial and appliance motor drives have become more advanced in performance and more compact in size. This is largely due to advancement in ...