Specifications

130BA228.11

Illustration 5.4 Proper Mounting with Railings

Item Description

1 Back plate

Table 5.5 Legend to Illustration 5.4

130BA392.11

Illustration 5.5 Mounting on a Non-solid Back Wall

Mounting enclosure types A4, A5, B1, B2, C1 and C2 on a

non-solid back wall, the frequency converter must be

provided with a back plate, “1”, due to insufficient cooling

air over the heat sink.

Enclosure IP20 IP21 IP55 IP66

A2 * * - -

A3 * * - -

A4/A5 - - 2 2

B1 - * 2.2 2.2

B2 - * 2.2 2.2

B3 * - - -

B4 2 - - -

C1 - * 2.2 2.2

C2 - * 2.2 2.2

C3 2 - - -

C4 2 - - -

* = No screws to tighten

- = Does not exist

Table 5.6 Tightening Torque for Covers (Nm)

5.1.5

Field Mounting

For field mounting the IP21/IP4X top/TYPE 1 kits or IP54/55

units are recommended.

Mechanical Installation Design Guide