Alpha NG333 Specsheet

Product Specification Sheet APS643 - Rev. 01/2017

NG333 Power Supply Unit (QwikBUS™ Series)NG333 Power Supply Unit (QwikBUS™ Series)

42 Central Drive • Farmingdale • NY • 11735-1202 • Phone: [phone] • Fax: [phone] Central Drive • Farmingdale • NY • 11735-1202 • Phone: [phone] • Fax: [phone]

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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 Power Supply unit(s) shall be Alpha Communications® /
S.T.R.™ QwikBUS™ model NG333, or approved equal. The NG333
shall be built into a rugged high impact Grey ABS plastic c ase, and
shall be powered a c ontrac tor supplied power c ord.

Contractor shall furnish the proper C333-4 c onnec ting c able to
connect to the SP333 intelligent c ontroller.

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

NG333 shall be mountable right to the surface of t he wall or in a

cust omer supplied junct ion box cabinet (model# CEC152 or
equivalent).

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

NG333 Switching Power SupplyNG333 Switching Power Supply

The Alpha Communicat ions® / S.T .R.™ NG333 Power Supply is
used only with t he 4-wire QwikBUS™ series interc om and/or video-
intercom systems. The NG333 provides the regulated
power needed t o c ontrol the SP333 QwikBUS™ intelligent
controller.

Each NG333 gets its power from a c ustomer supplied power c ord,
and will operate on an input of 120VAC.

Each 4-wire QwikBUS™ system requires a minimum of one NG333
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: 4.25" (108mm)
Depth: 2.375" (61mm) 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
System Central Equipment)

Temp.
Range:

0°C - 50°C