Resources Contact Us Home
Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Switchboards and panelboards having interlock and load selection capabilities










Image Number 2 for United States Patent #5151842.

Switchboard and panelboard enclosures include a main electronic circuit breaker interconnected with a plurality of branch circuit breakers by means of a corresponding plurality of terminal boards. Zone-Selective-Interlock and Load Selection functions are achieved by signals transmitted between the branch circuit breakers and the main circuit breaker. The accessories within the branch circuit breakers respond to tripping signals from the main circuit breaker to provide the Zone-Selective-Interlock and Load Selection functions.








 
 
  Recently Added Patents
Method and apparatus for transcoding and transrating in distributed video systems
Encryption using alternate authentication key
Dehumidifier
Systems and methods for providing television signals using a network interface device
Nucleic acid-based tests for prenatal gender determination
Stable light source device
Ranging method and apparatus in passive optical network
  Randomly Featured Patents
Measuring barometric pressure with a manifold pressure sensor in a microprocessor based engine control system
Method for producing pressure pulses in a mass of gas and a device for performing the method
Clothes hanger
Warp feeding device for circular knitting machine
Microprocessor system with process identification tag entries to reduce cache flushing after a context switch
Pharmaceutical composition comprising oxyntomodulin derivatives and a method for reducing body weight using the composition
Seating unit
Continuous mixing plant
Waterbase pressure sensitive adhesives and methods of preparation
Crawler track roller with internal spherical spacers