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...

Issue: What is the difference between sub-feed lugs, through-feed lugs, and sub-feed breakers? Product Line: Panelboards Environment: Applies to NQ and NF Panelboards Resolution: Sub feed lugs are a...

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...

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 : 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: 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: 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: Series Ratings Product Line: NQ, NF, I-Line Panelboards and QO, Homelines loadcenters Resolution: See data bulletins 2700DB9901 (attached; for panelboards) and 4100DB0301 (for load centers)...

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...

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...

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...

NOTE: M218 are obsolete controllers, from v2.2 they stopped being integrated into Machine Expert. Machine Expert v2.1 or below is needed for the Local Offer Code to work The M218 controllers are not...

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...