Issue: Meaning of Trip Classes for overload relays. Product Line: NEMA Overload Relays Environment: North American Products Resolution: The trip class means that at 600% (6 times) of the maximum...

Issue: Listing of standard Transformer kVA sizes Product Line: LV Transformers Environment: Applies to Low Voltage Transformers by SquareD/Schneider Electric Cause: Transformer kVA levels fall into...

Issue: Where do circuit breaker amp ratings come from? Product Line: Circuit Breakers Resolution: Per NEC 240.6, the standard ampere rating for inverse time, fixed-trip circuit breakers, 600Vac...

Issue : What sets Type 1 and Type 2 Surge Protective Devices (SPD) apart from each other? Product Line: TVSS/SPD Environment: Application Cause: Clarification Resolution: ​​​​​​​Type 1: These are...

Issue: What is the difference between inductive and resistive loads? Product Line: Distribution Equipment Resolution: Resistive loads are simple loads where the current and voltage sine waves are in...

Issue: Calculation of kVA capacity for a Single or Three Phase Transformer, based on Winding Voltage and Amperage information. Product Line: Low Voltage (LV) Transformers Learn more about DOE 2016...

Issue: What are the LSIG trip unit functions on a Micrologic trip unit? Product Line: Circuit Breakers Resolution: The letters LSIG signify the type of protection and available adjustments on certain...

What is Modbus? Modbus is a serial communication protocol developed by Modicon published by Modicon® in 1979 for use with its programmable logic controllers (PLCs). In simple terms, it is a method...

There is often confusion between the in-phase and the In-sync features of ASCO transfer switches. It is important to understand the difference between these features especially during the process of...

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: How to become a supplier for Schneider Electric Product Line: Source Materials Environment: Products sold and used in the United States Resolution: For information and help on becoming a...

Issue: What are the utilization categories AC-1 and AC-3? Product Line: Schneider Electric Products Environment: Inductive and Resistive Loads Resolution: AC-1 - This category applies to all AC loads...

What is Modbus? Modbus is a serial communication protocol developed by Modicon published by Modicon® in 1979 for use with its programmable logic controllers (PLCs). In simple terms, it is a method...

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...

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...

What is Proposition 65? California Proposition 65 is a standalone program that affects all commercial goods sold in the state of CA. This was enacted in 1986 as "The safe Drinking Water and...