Model #: NH200A
Spec Sheet Preview: The Alpha Communications® 'NH' series power supplies are used with  the HT3000 and HT2000 series handset stations to provide intercom  amplification and power to operate the associated intercom system,  and certain optional components and/or accessories, such as electric  door opener(s) etc. All of these power supplies operate on 16VAC (30VA) low-voltage  Class II wiring. For permanent transformer mounting use our Model  SS106 (U.L. Listed) transformer. For plug-in transformer connection use our Model T1640 (U.L. Listed) transformer. …
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Outside Dimensions:
3.50"W x 3.50"H x 0.75"D
(89mm W x 89mm H x 19mm D)

Manuals & Diagrams

System-Specific Information

HT3000 Series 2/3/5-Wire Handset Type Entry Intercoms

For 2 Wire NH209TT systems: see system Installation Manual: AWD019 for more complete wiring information.

For 3 Wire NH201TVA or NH201TT Systems: see system Installation Manual: AWD011 for more complete wiring information.

For 3 Wire NH201TVA-2 Systems: see system Installation Manual: AWD109 for more complete wiring information.

For 5 wire NH200A Systems: see system Installation Manual: AWD013 for more complete wiring information.

Related Sounds

Default Sound

Architects & Engineer's Specs

The power supply/amplifier shall be Alpha Communications® / S.T.R.™ (NH200A, NH201TVA-2, NH208TVU, or NH908A) or equivalent. Power supply shall operate from a 16VAC (30VA) U.L. Listed transformer (SS106 or T1640). All wiring to power supply/amplifier shall be low-voltage Class II wiring, installed as per all federal, state, and local electrical codes. Power supply/amplifier shall surface mount right to the finished wall and shall be installed in a suitable environment that is free from excessive dirt, dust, temperature, humidity, grease and water. Power supply/amplifier shall provide the intercom amplification and signalling power for the proper system operation. For most secure installation, power supply should be installed into a lockable equipment cabinet/housing. Power supply/amplifier shall be installed a safe distance from any source of electrical interference.

Contractor shall observe all national and local electrical and building codes. 

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