Allen-Bradley PowerFlex 525 Original Instructions Manual page 26

PowerFlex 520-Series AC Drive Specifications
Connections and Grounding
Shielded enclosure (1)
EMI filter
L1 L1'
L2 L2'
L3 L3'
Enclosure ground connection
Building structure steel
(1) Some installations require a shielded enclosure. Keep wire length as short as possible between the enclosure entry point and the EMI filter.
PowerFlex 520-Series RF Emission Compliance and Installation Requirements
Standard/Limits
EN61800-3 Category C1
EN61000-6-3
Filter Type CISPR11 Group 1 Class B
Internal –
(1)
External 30 m (16 ft)
(1) See Accessory Dimensions on page 39
26
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IP 30/NEMA 1/UL Type 1
Esc Sel
option kit or EMC kit
EMI fittings and metal conduit
R/L1 U/T1
S/L2 V/T2
T/L3 W/T3
Shielded motor cable
for more information on optional external filters.
Rockwell Automation Publication 520-TD001E-EN-E - July 2016
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EN61800-3 Category C2
EN61000-6-4
CISPR11 Group 1 Class A
(Input power ≤ 20 kVA)
10 m (33 ft)
100 m (328 ft)
Industry Automation
EN61800-3 Category C3 (I ≤ 100 A)
CISPR11 Group 1 Class A
(Input power > 20 kVA)
20 m (66 ft)
100 m (328 ft)
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