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 standard sizing levels for single phase and three phase products Resolution: Single phase Low Voltage...

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 maximum, shall be considered as follows: 15 20 25 30 35 40 45 50 60 70 80 90 100 110 125 150 175 200...

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 SPDs that are hard-wired and permanently connected. They can be installed between the secondary side of...

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 thermal current rating (or 600% of the actual dial setting on adjustable overloads) the Class 10 will...

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 Energy Efficient Transformers by Schneider Electric Environment: Applies to all Single and Three...

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 trip units. L = Long Time (overload protection, analogous to the inverse-time thermal trip of 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 where the power factor is more than 0.95. These are primarily non-inductive or slightly inductive...

Issue : Which terminal is which in a standard household outlet? Cause : Informational Resolution : The NEMA 5-15 receptacle is the most common electrical receptacle in the United States and Canada. It is a two-pole, three-wire grounding receptacle which is used for a maximum of 15A and 125V. The...

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 selecting transfer switches for different applications. In-Phase The in-phase monitor is a feature...

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 electronic components such as transistors are used to switch the output of the sensor upon detection...

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 supplier for Schneider Electric please refer to the supplier resource center linked below:...

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 where the power factor is more than 0.95. These are primarily non-inductive or slightly inductive...

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 reduce insulation resistance testing results for circuit breakers. Some equipment acceptance testing...

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 sold or supported in the US, they are only sold and supported in Asia. So to have access to them you...

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 used for transmitting information over serial lines between electronic devices. The device...

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 to a NEMA 1 enclosure with a gasketed cover.