Issue: Ventilation and cooling is an important issue in the installation and operation of transformers Product Line: LV Transformers Environment: Applies to all Low Voltage (LV) Transformers by...

Issue: Application Product Line: QO Load Center Resolution: Yes, but it is important to understand some limitations. This "high leg" delta system referred to is actually a 3 phase, 4 wire,...

Issue: Is a Line contactor required ahead of the soft start? Product Line: Altistart 22, ATS22 Environment: All models and serial numbers Cause: None Resolution: The purpose of the line contactor is...

Issue: Can a Noalox antioxidant, for termination to Panelboards, prohibited? Product Line: NQ/ NF/ I Line/ QMB Environment: Installation Cause: Restrictions Resolution: The use of an antioxidant ,...

Issue: Application Product Line: QO and Homeline Load Center Resolution: No, The neutral system in the QO and Homeline load centers are considered a split branch neutral system. Half of the branch...

Issue: How are complete devices and parts indicated in the 22mm lines? Product Line: Push Buttons and Operator Interface Environment : Harmony Pushbuttons Cause : Product Features Resolution : XB...

Issue: Color coding required for the branch wiring of a hospital isolated power system Product Line: Hospital isolated power systems Environment: NFPA99, NEC517.160 Resolution: The NEC requires color...

Issue: What does the C indicate in ZB2BE102C? Product Line: Push Buttons and Operator Interface Environment: 22mm ZB2 Cause: Clarify the difference between ZB2BE102C and ZB2BE102 Resolution:...

Displacement Power Factor Displacement Power Factor is caused by a reactive component in the load.

Issue: Automatic Throwover. Product Line: Switchgears and Switchboards. Environment: Switchgears and Switchboards. Cause: Define Open and Close Transitions. Resolution: The Automatic Throwover System...

Issue: How to choose the correct SPD? Product Line: Surge Protection Devices Answer: Choosing the appropriate Surge Rating for an SPD comes down to two things: 1) The location of the SPD within the...

NEMA Standards Publication 250-1997, "Enclosures for Electrical Equipment (1000 Volts Maximum)" no longer lists this enclosure type. This enclosure type is commonly accepted to be referring...

Issue: How does humidity affect insulation resistance testing results? Product Line: Circuit Breakers Environment: Molded case and insulated case breakers Resolution: High humidity can drastically...

Most industrial proximity sensors (inductive, capacitive, ultrasonic and photo electric) are solid state. The term solid state refers to the type of components used within the sensor. Solid state...

Issue Who is my local distributor? Resolution For United States distributors: https://www.se.com/us/en/locate/257-us-distributor-locator/where-to-buy For distributors in Canada:...

Resolution: For career opportunities and questions please visit our dedicated site Careers: Work at Schneider | Schneider Electric USA (se.com)