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Heatsink Protrusion Attachment Procedure; When Using A Heatsink Protrusion Attachment (fr-a7cn); Protrusion Of Heatsink Of The Fr-f740p-185k Or Higher - Mitsubishi Electric FR-F720P-0.75K Instruction Manual

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8.6 Heatsink protrusion attachment procedure

When encasing the inverter in an enclosure, the generated heat amount in an enclosure can be greatly reduced by
installing the heatsink portion of the inverter outside the enclosure. When installing the inverter in a compact
enclosure, etc., this installation method is recommended.
8.6.1

When using a heatsink protrusion attachment (FR-A7CN)

For the FR-F720P-2.2K to 110K, FR-F740P-0.75K to 160K, a heatsink can be protruded outside the enclosure
using a heatsink protrusion attachment (FR-A7CN). (Attachment is not required when protruding the heatsink for
185K or higher.) For a panel cut dimension drawing and an installation procedure of the heatsink protrusion
attachment (FR-A7CN) to the inverter, refer to a manual of "heatsink protrusion attachment (FR-A7CN)".
8.6.2

Protrusion of heatsink of the FR-F740P-185K or higher

(1) Panel cutting
Cut the panel of the enclosure according to the inverter capacity.
• FR-F740P-185K, 220K
200
• FR-F740P-355K, 400K
315
6-M10 screw
484
200
Hole
(Unit: mm)
6-M10 screw
771
315
Hole
(Unit: mm)
Heatsink protrusion attachment procedure
• FR-F740P-250K, 280K, 315K
662
300
Hole
• FR-F740P-450K, 500K, 560K
976
300
300
Hole
6-M10 screw
300
(Unit: mm)
8-M10 screw
300
(Unit: mm)
165
8 8

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