Ambient operating temperatures, General grounding requirements – Rockwell Automation 25B PowerFlex 520-Series Adjustable Frequency AC Drive Quick Start User Manual

Page 4

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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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