Heatsink Protrusion Attachment Procedure; When Using A Heatsink Protrusion Attachment (Fr-A7Cn); Protrusion Of Heatsink Of The Fr-F740-185K Or More - Mitsubishi Electric FR-F720-0.75K to 110K Instruction Manual

7.4 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.
7.4.1

When using a heatsink protrusion attachment (FR-A7CN)

For the FR-F720-2.2K to 110K, FR-F740-0.75K to 160K, a heatsink can be protruded outside the enclosure using a
heatsink protrusion attachment (FR-A7CN). 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-
A7CN01 to 11)".
7.4.2

Protrusion of heatsink of the FR-F740-185K or more

(1) Panel cutting
Cut the panel of the enclosure according to the inverter capacity.
• FR-F740-185K, 220K
484
200
Hole
• FR-F740-355K, 400K
315
6-M10 screw
200
(Unit: mm)
6-M10 screw
771
315
Hole
(Unit: mm)

Heatsink protrusion attachment procedure

• FR-F740-250K, 280K, 315K
662
300
Hole
• FR-F740-450K, 500K, 560K
976
300 300
Hole
6-M10 screw
300
(Unit: mm)
8-M10 screw
300
(Unit: mm)
309
7