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What causes an ATV320 to display an OBF fault?

Issue: OBF fault on a ATV320 Product Line: Altivar 320 Environment: All Cause: OBF fault on drive display Resolution: Possible causes: • Braking too sudden or driving load. • Supply voltage too high....

What are the main differences in the LC1D and LC1K contactors?

Issue: LC1D and LC1K contactor differences Product Line: IEC Contactors and Starters Environment: Tesys K and Tesys D Contactors Resolution: D-Line contactors are bigger, heartier and have...

Can GV2, GV3 and GV7 starters be backfed ?

Issue: Backfeeding GV2, GV3 and GV7 Product Line: Motor Starters and Protectors Environment: PowerPact™ Manual Starters Resolution: Not recommended.

What is the function of the shorting contactor for an ATS48? Is it a...

Issue: Is the shorting contactor for an ATS48 a required component? Product Line: Altistart 48 Environment: All Cause: NA Resolution: A shorting contactor engages when the motor is running at full...

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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...

How to Find APC Product Price & Availability on MySE?

How do I determine price and availability on APC mySE? Log into the APC MySE site and enter the part number that you would like to check and click “enter”. The pricing and availability results will...

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...