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A closed breaker has voltage on the line side but low or no voltage on the load side.
Issue:   A breaker shows no continuity when tested with an ohmmeter. Product Line: MCCB's Cause: A new breaker will sometimes not show continuity...
How to Calculate the Required Capacity kVA Rating or Amperage Capacity for Single and Three Phase Transformers
Issue: Calculation of kVA capacity for a Single or Three Phase Transformer, based on Winding Voltage and Amperage information.   Product Line: Low...
Is the ATV340 tested and approved for use on Single phase input to run 3 phase motors?
Issue: Customer wants to know if he can provide single phase input power to an ATV340 and have it run a 3 phase motor.   Product Line: Altivar 340...
What are the NEC rules for sizing conductors terminated on a circuit breaker?
Issue:   How to determine what size wire should be used on a circuit breaker Product Line:   Molded Case Circuit Breakers Environment:   All Circuit...
Can the H and J frame breakers come factory equipped with a padlock attachment , like the `YP` form for the Powerpact P frame breakers?
Product Line: Molded Case Circuit Breakers Environment: PowerPact H and J Resolution: Yes, or the padlock attachment can be ordered separately: Fixed...
How do you wire the shunt trip on a EDB breaker?
Product Line: PowerPact E frame Environment: Applies to EDB, EGB, and EJB with shunt trip accessory installed. Resolution: Use terminals 6 & 7 on...
Video: How to install PowerChute Business Edition versions 9.0 to 9.2.1
Issue: How to install PowerChute Business Edition UPS monitoring software  Product: PowerChute Business Edition versions 9.0 to 9.2.1 Environment:...
On an H, J or L frame breaker, what is the minimum equipment required for serial Modbus communication on just one breaker?
Product Line: Circuit Breakers Environment: Powerpact H, J and L Frame Circuit Breakers with Micrologic Ammeter or Energy Trip Units Resolution: In...
What are the NEMA ratings for the enclosed AC drives?
Issue: NEMA ratings for enclosed AC drives Product Line: M-Flex, E-Flex, S-Flex, Field Drives Environment: Enclosed ATV61 and ATV71 drive products...
Are there I/O option cards for the ATS48?
Issue: Does the ATS48 have an external I/O option card? Product Line: ATS48 Environment: All Cause:  Additional I/O needed. Resolution:  There are no...
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