Spectra 1728/EX & 1738/EX - 38 - Programming Guide
SPECTRA 1728EX AND 1728 PCB LAYOUT
* Not verified by UL.
Transformer Requirements Table
Transformer: Amseco XP-1620
16 VAC 20VA*
Recommend: 16VAC 40VA
UL: Basler BE156240CAA007
Spectra DC Power Supply rated at: 1.2A 1.5A
Auxiliary Supply can provide a maximum of: typ: 600mA, max: 700mA typ: 200mA
Acceptable Battery Charge Currents (secti on [127] op ti on [5]) 350mA 350mA/700mA
For the keypad’s zone, EOL and tamper
configurations, refer to page 3.
Se e “Con ne cting Fire
Circuits, Keyswitches and
PGMs” on page 37.
Refer to “Single Zone
Inputs” or “Double Zone
In pu ts” on pa ge 36 .
For UL Listed warnings, refer to the UL and ULC Warnings section in the Spectra Reference & Installation Manual.
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