Dynacord DPA 4140, DPA 4120 owner manual NRS 90 S406 S B

Models: DPA 4120 DPA 4140

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NRS 90 224

S406 S 405

B 411

figure 8 printed board assembly 84187 in the DPA 4120 showing the NRS 90224 pilot tone & ground fault surveillance and the bridges B411 and S405, S406 for switching the output voltage; inserted

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Page 36
Image 36
Dynacord DPA 4140, DPA 4120 owner manual NRS 90 S406 S B