4 Rockwell Automation Publication 520-QS001A-EN-E - March 2014
PowerFlex 520-Series Adjustable Frequency AC Drive
Ambient Operating Temperatures
See Appendix B of the PowerFlex 520-Series User Manual, publication 520-UM001 for option kits.
General Grounding Requirements
The drive Safety Ground – (PE) must be connected to system ground. Ground impedance must conform to the
requirements of national and local industrial safety regulations and/or electrical codes. The integrity of all ground
connections should be periodically checked.
Typical Grounding
Mounting Enclosure Rating
(3)
(3) IP 30/NEMA 1/UL Type 1 rating requires installation of the PowerFlex 520-Series IP 30/NEMA 1/UL Type 1 option kit, catalog number 25-JBAx.
Ambient Temperature
Minimum Maximum (No Derate) Maximum (Derate)
(4)
(4) For catalogs 25x-D1P4N104 and 25x-E0P9N104, the temperature listed under the Max. (Derate) column is reduced by 5 °C (9 °F) for all mounting methods.
Maximum with Control Module
Fan Kit (Derate)
(2)
(5)
(5) For catalogs 25x-D1P4N104 and 25x-E0P9N104, the temperature listed under the Max. with Control Module Fan Kit (Derate) column is reduced by 10 °C (18 °F) for vertical and vertical with zero stacking
mounting methods only.
Vertical IP 20/Open Type
-20 °C (-4 °F)
50 °C (122 °F) 60 °C (140 °F) 70 °C (158 °F)
IP 30/NEMA 1/UL Type 1 45 °C (113 °F) 55 °C (131 °F) –
Vertical, Zero Stacking IP 20/Open Type 45 °C (113 °F) 55 °C (131 °F) 65 °C (149 °F)
IP 30/NEMA 1/UL Type 1 40 °C (104 °F) 50 °C (122 °F) –
Horizontal
with Control Module Fan Kit
(1) (2)
(1) Catalogs 25x-D1P4N104 and 25x-E0P9N104 cannot be mounted using either of the horizontal mounting methods.
(2) Requires installation of the PowerFlex 520-Series Control Module Fan Kit, catalog number 25-FANx-70C.
IP 20/Open Type 50 °C (122 °F) – 70 °C (158 °F)
Horizontal, Zero Stacking
with Control Module Fan Kit
(1)(2)
IP 20/Open Type 45 °C (113 °F) – 65 °C (149 °F)
SHLD
U/T1
V/T2
W/T3
R/L1
S/L2
T/L3
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