Issue: Ventilation and cooling is an important issue in the installation and operation of transformers Product Line: LV Transformers Environment: Applies to all Low Voltage (LV) Transformers by...

Issue: Application Product Line: QO Load Center Resolution: Yes, but it is important to understand some limitations. This "high leg" delta system referred to is actually a 3 phase, 4 wire,...

Issue: Is a Line contactor required ahead of the soft start? Product Line: Altistart 22, ATS22 Environment: All models and serial numbers Cause: None Resolution: The purpose of the line contactor is...

Issue: Can a Noalox antioxidant, for termination to Panelboards, prohibited? Product Line: NQ/ NF/ I Line/ QMB Environment: Installation Cause: Restrictions Resolution: The use of an antioxidant ,...

Issue: Application Product Line: QO and Homeline Load Center Resolution: No, The neutral system in the QO and Homeline load centers are considered a split branch neutral system. Half of the branch...

Issue: Color coding required for the branch wiring of a hospital isolated power system Product Line: Hospital isolated power systems Environment: NFPA99, NEC517.160 Resolution: The NEC requires color...

Issue: How are complete devices and parts indicated in the 22mm lines? Product Line: Push Buttons and Operator Interface Environment : Harmony Pushbuttons Cause : Product Features Resolution : XB...

Issue: Need to use a three phase overload relay in single phase application. Product Line: Tesys D line overload relays Environment: Products sold and used in the United States Cause: Using a single...

Issue : Drives Product Support Group direct contact number. Product Line : Altivar Drives & Altistart Soft Starts Cause : How to contact the support group for drive and soft start. Resolution :...

Issue: Automatic Throwover. Product Line: Switchgears and Switchboards. Environment: Switchgears and Switchboards. Cause: Define Open and Close Transitions. Resolution: The Automatic Throwover System...

Issue: How to choose the correct SPD? Product Line: Surge Protection Devices Answer: Choosing the appropriate Surge Rating for an SPD comes down to two things: 1) The location of the SPD within the...

There are three ways to access the device Catalog in PACTware®: 1. By clicking on the Device Catalog icon: 2. By going to the View menu and clicking on "Device catalog": 3. By pressing F3...

Issue: The maximum frame breaker that can be installed on an I-line QED2 section Product Line: QED2 Swithboards Resolution: Max 1200A Breaker R Frame/ P Frame

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...

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...

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...