Technical FAQs

Ask a Question

ATV660: Are Seismic options available?
Issue: Customer is building ATV660 but the Selector tool does not allow the option for form H10 for Seismic qualifications. Product line: ATV660,...
What is the UL File # for Square D buck boost transformers?
Issue: UL File# of Buck Boost transformers   Product Line: LV Transformers   Environment: Application   Resolution: The UL File # for Square D buck...
Video: What is the green screw in QO and HOM load centers?
Issue: Many load centers includes in the carton a green screw inserted through a small white card. What is the purpose of the green screw? When should...
Are the 8539 combination starters in NEMA 7 & 9 bolted enclosures UL Listed?
Issue: Are the 8539 combination starters in NEMA 7 & 9 bolted enclosures UL Listed? Product Line: NEMA combination starters Environment: Products...
Where can I get the SCCR for the ATV71 drives?
Issue: Getting SCCR on the ATV71 drives Product Line: ATV71 Environment: All products of ATV71 Cause: N/A Resolution: Reference the attached Annex...
Are the 8910DPA contactors rated for lighting loads?
Issue: Can the 8910DPA contactors handle lighting loads Product Line: Definite Purpose Contactors Environment: NEMA and Definite Purpose Contactors...
QOU Breaker Certifications
Product line: Circuit breakers Environment: QOU breakers Resolution: • UL Standard 489 (File E84967) • NEMA Standard AB1 • Canadian Standards Association...
Why does the ATV61 or ATV71 AC drive display motor short circuit or IGBT short circuit fault codes, when powered by a generator?
Issue:  ATV61 or ATV71 AC drive displays motor short circuit or IGBT short circuit fault codes, when powered by a generator Product Line: Altivar...
Does a fire pump circuit breaker need to have a red handle?
Issue: How to identify a fire pump circuit breaker? Product Line: Molded Case and Miniature Circuit Breakers Environment: Requirements for Fire Alarm...
What is the max current for the +24v internal supply on the ATV61 drive?
Issue: Max current for the +24v internal supply on the ATV61/71 drive. Product Line: All ATV61/71 drives   Environment:  +24v internal power supply...
Results 1 - 10 of 100