The Alpha Communications® 931 amplifier/power supplies are used with the 870W, 8870 and 902 series handset intercom stations (or equivalent), to provide intercom amplification, power to operate the electric door opener(s) etc., and power to signal the handsets from the lobby entrance station. The 931 units each require a standard 120VAC power source. These 931 amplifier/power supplies are designed to easily surface mount right onto the finished wall by means of customer supplied screws. Connection …
Power Supply--Handset To Panel. (Operates On 120Vac Power) For Standard 5-Wire Tone Type Handsets To Lobby Entr. Stat
This product is shipped from our warehouse in Farmingdale, NY, United States
This product is brand new and includes the manufacturer's warranty, so you can buy with confidence.
A 25% handling charge is levied against all authorized returns except those due to our error. Unauthorized returns are subject to a 40% handling charge. Damages & defects must be reported to us within 14 days.
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