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How does PM5500 series meter calculates TDD (Total Demand Distortion)

Product Line PM5500 series Environment Documentation Resolution Total demand distortion (TDD) is the per-phase harmonic current distortion against the full load demand of the electrical system TDD...

Will the Tesys GV2ME starters install into old style enclosures designed...

Issue: GV2ME compatibility with old enclosure Product Line: Motor Starters and Protectors Environment: TeSys™ GV Manual Starters and Protectors Resolution: No, Order new enclosures using the same...

What is the part number of the programming cable for Twido PLC controllers?

Below are the part numbers of the programming cables for the Twido PLC: For serial use: TSXPCX1031 For USB use: TSXCUSB485 & TSXCRJMD25

What is the IP (Internal Protection) rating of the NetShelter SX, SV and...

Issue: Internal Protection (IP) rating of the NetShelter SX, SV and CX cabinets is required. Product Line: NetShelter SX, NetShelter SV, NetShelter CX Environment: All versions and serial ranges....

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Insulation Resistance Testing and Humidity

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...

What is the difference between PNP and NPN when describing 3 wire...

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...

What do the terms AC1 and AC3 mean?

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 does the term "NEMA Type 1A" refer to?

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...