32 Call Expansion Unit TCKE-02

Power Supply for BUS with SP300 120VAC NTR211

The NTR211 from Alpha is a power supply used with a variety of S.T.R. ™ (and others) intercoms and intercoms to provide the low voltage required to operate the relevant components of the system and some optional components and / or accessories. The power supply operates with a main power of 120 VAC. Optional models are also available for 220/240 VAC main power. Designed for easy surface mounting directly on the finished wall via the screws provided by the customer or the convenient "Din Rail" plastic arm provided with each power supply.

Characteristics

• It is easily placed on the final surface of the wall
• Provides secure Class II low voltage secondary wiring
• Fused Secondary Power
• Convenient screw terminal connections