Difference between revisions of "IRR-3 Relay unit"
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| − | The '''IRR-3 relay unit''' is used in combination with industrial stations. The relay unit is used for operating of rotary light or sound device for call indication. | + | The '''IRR-3 relay unit''' (item 1020600992) is used in combination with industrial stations. The relay unit is used for operating of rotary light or sound device for call indication. |
=== IRR-3 operated from a centrally located relay === | === IRR-3 operated from a centrally located relay === | ||
[[File:IRR-3 relay unit.PNG|thumb|200px|right|IRR-3 relay unit]] | [[File:IRR-3 relay unit.PNG|thumb|200px|right|IRR-3 relay unit]] | ||
Revision as of 13:19, 30 May 2013
The IRR-3 relay unit (item 1020600992) is used in combination with industrial stations. The relay unit is used for operating of rotary light or sound device for call indication.
IRR-3 operated from a centrally located relay
IRR-3 operated from a locally located relay
