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What does Internal Arc Classification A-F, A-FL and A-FLR mean?

Internal Arc Classification IAC A-F, A-FL and A-FLR are defined in IEC 62217-200 and help to define internal arc performance of medium voltage or high voltage switchgear. The following definitions are described as: A switchgear installation in rooms with access for authorized personnel, closed...

What is the maximum earth loop Impedance Zs value for the circuit breakers used in the Powerpact 4 panel board?

The maximum earth loop Impedance figures can be found on the attached pdf files. 16A to 250A The standard MCCB's used for ratings of 16A to 250A with part numbers beginning with "MGP..." are identical to the NSX with thermal magnetic trip units. 400A & 630A The standard MCCB's used for ratings...

EcoStruxure Facility Expert Digital Logbook evolution

EcoStruxure Facility Expert TM evolution Schneider Electric is improving and enhancing your experience by transitioning from EcoStruxure Facility Expert to a new solution ecosystem as for end of 2024. Here a substitution table comparing legacy Facility Expert subscription type vs. new solution...

What is the definition of the dials/ selector switches of the Micrologic and STR electronic control units.

Standard IEC 60947-2 defines the names of the selector switches. The meanings of the screen-printed items on the selector switches of the trip units are: Ir: adjustment of the long time (or thermal) setting. This is a multiplication coefficient of the rating of the device. Role: protection...

Which is the software to program the Modicon M241?

The software to program the Modicon M241 is EcoStruxure Machine Expert (former SoMachine). In order to install this software you need to download "Schneider Electric Software Installer" from the next link:...

Why is the kW (Active Power) showing a negative reading on the Powerlogic series of meter?

A negative kW reading is usually due to one of 2 things The Current transformers (CT's) have been fitted onto the cable or busbar the wrong way round. The P1 side of the CT should be towards the supply and the P2 side of the CT should be towards the load. Alternatively, if the CT is fitted...

What is the difference between AC-7a and AC-7b when choosing a iCT contactor?

These utilization categories determine what load the contactors are switching: AC-7a are for slightly inductive loads for household appliances for example mixers and blenders AC-7b are for motor loads for house hold appliances such as fans and central vacuums The following is an extract from the...

Video: How do I upgrade the firmware on an APC Network Management Card (NMC) or NMC embedded device (Rack PDU, etc)?

Issue You wish to upgrade your Network Management Card's (NMC) firmware or have been instructed to. You have a device such as a Smart-UPS, Smart-UPS Ultra, Easy UPS On-Line, Easy UPS 3-Phase, Rack PDU, AV unit, or environmental monitoring unit with an embedded NMC that you wish to upgrade. You had...

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Popular Video FAQsPopular Videos
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Learn more through our General Knowledge FAQsGeneral Knowledge
Apa alternatif replacement battery UPS SURT15KRMXLI jika APCRBC140 tidak ready stock?

Apa alternatif replacement battery UPS SURT15KRMXLI jika APCRBC140 tidak ready stock? ======================================================================= Untuk alternatifnya bisa menggunakan battery pack type SURT192XLBP sebanyak 2 sets, karena didalam 1 set SURT192XLBP terdapat 2 sets battery...

What is Power Factor Correction (PFC) - Does it help conserve energy?

Issue: What is Power Factor Correction (PFC) - Does it help conserve energy? Answer: Power Factor Correction (PFC) doesn't directly reduce the overall electric consumption of a device or system, but it does play a role in optimizing the efficiency of electrical systems, which can indirectly lead to...

What is an Electrical "Ground Loop" - How does it affect my equipment?

Issue: What is an electrical "ground loop" and how does it affect my equipment? Environment: Ground loops can occur in any situation where multiple electrical devices are interconnected, especially when those devices are powered from different sources or located in different places with varying...

How to identify the M172 that I am using in the program?

In order to identify in our code which M172 model we are using we need to use the two (2) internal variables located in "Operators and blocks". The variables are Par_POLI (Polycarbonate code) and sysMSK (Mask number). If a M172 with 28IOs or 42IOs is connected then the variable "sysMSK" is equal to...

Which is the software to program the Modicon M171O (Optimized)?

The software to program the Modicon M171O (optimized) is EcoStruxure Machine Expert HVAC. The software can be downloaded from our website: https://www.se.com/uk/en/download/document/SoMachine+HVAC+-+Programming+Software+for+Modicon+M171-M172+Logic+Controllers/ The compatible Operating Systems for...

What is the difference between PNP and NPN when describing 3 wire connection of a sensor?

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...

Voltage, Current and Resistance Explained

Issue: How do I remember the relationship of voltage, current and resistance in an electrical system? Environment: N/A Solution: Voltage (unit of measurement - volt) is like the water pressure in the pipe. When you turn on a faucet, the water pressure makes the water flow out. Similarly, voltage...

Easy-UPS Online Registration

Register the Easy UPS with APC by Schneider Electric customer support. This is a one time process required to be done only during initial installation. The Easy UPS output cannot be turned on without successfully completing registration process. After successful completion of the registration...

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