Alpha SNT333 Specsheet

Product Specification Sheet APS642 - Rev. 01/2017

SNT333 Switching Power Supply (QwikBUS™ Series)SNT333 Switching Power Supply (QwikBUS™ Series)

387 CANAL STREET • NEW YORK • NY • 10013-1615 • Phone: [phone] • Fax: [phone] CANAL STREET • NEW YORK • NY • 10013-1615 • Phone: [phone] • Fax: [phone]

Web: www.canalalarm.comWeb: www.canalalarm.com

Copyright © 1998-2 017 Alpha Communication s® - All Righ ts Reserved.

Due to c ontinuo us product i mprovement, all col ors, sizes, materials, finishes and sp ecifications are subject to change witho ut not ice.

Architects' And Engineers' SpecificationsArchitects' And Engineers' Specifications

The Switc hing Power Supply unit(s) shall be Alpha
Communications® / S.T.R.™ QwikBUS™ model SNT333, or
approved equal. The SNT333 shall be built into a rugged high
impact ABS plastic case, and shall be powered a contractor
supplied power c ord. Contrac tor shall furnish the proper C333-2
connecting cable to c onnect t o the SP333 intelligent controller
and to the model T1240 (12VAC) power transformer.

Low voltage wiring shall be used and positive screw terminal and
plug-in connec tors shall be provided for installation wiring. T he

SNT333 shall be mountable right t o t he surfac e of the wall or in a

cust omer-supplied junction box cabinet (model# CEC152 or
equivalent).

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

SNT333 Switching Power SupplySNT333 Switching Power Supply

The Alpha Communicat ions® / S.T .R.™ SNT333 Switc hing Power
Supply is used only with the 2-wire QwikBUS™ series intercom
and/or video-intercom syst ems. The SNT333 provides the
regulated 24VDC power needed t o c ontrol the SP333 QwikBUS™
intelligent c ontroller.

Each SNT333 gets its power from a cust omer supplied power cord,
and will operate on an input of 100 to 240VAC.

Each 2-wire QwikBUS™ system requires a minimum of one SNT333
Switc hing Power Supply.

FeaturesFeatures

Easily Installs Right on Finished Wall Surfac e or in Optional
Junction Box (model# CEC152 or equivalent)
Operates on Safe Low- Voltage Class II Wiring
Positive Sc rew T erminal and Plug-in Connectors

SpecificationsSpecifications

Dimensions:

Height: 3.75" (96mm)
Width: 3.15" (81mm)
Depth: 2.25" (58mm) from mounting surface

Construction: High impact Grey ABS plastic c ase

Connections: Positive sc rew terminal and plug-in connect ors

Mounting:

Surface- mounted (usually installed near the

SP333 intelligent c ontroller and other syst em

central equipment).

Temp.
Range:

0°C - 50°C