ABB REX 521 Panduan Pengoperasian - Halaman 17

Jelajahi secara online atau unduh pdf Panduan Pengoperasian untuk Perangkat Perlindungan ABB REX 521. ABB REX 521 20 halaman. Relay retrofit program, cutting tool

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9. Finishing the work

1. It is advisable to coat bare surfaces, for example

with cold galvanized compounds, in case of corrosive

atmosphere.

Install the new replacement relay.

2. Push the new replacement relay firmly against the

panel cut-out.

3. Add the four fixing brackets.

4. Tighten all the four fixing bracket screws step by

step. Use tightening torque of 1.3...1.7 Nm.

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