A & E GUIDE Specifications for Siedle Intercom 3000 ...
Unit has a plug-in relay board for three additional relays that can be used as momentary, latched or timed contacts. Control voltage is 12VAC, 100mA. The dimensions shall not exceed 4.2"x 3.5" x 2.4"(107 x 89 x 60mm). Manufacturer: Siedle. Part No. DCA 650-02 or approved equal. … ................
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