Product Specification Sheet APS557

Rev. 12/2013

NG20 / NGC20 15VDC Regulated Power Supply Units

Model NG20 Shown
Architects' And Engineers' Specifications

The regulated 15VDC power supply unit(s) shall be Alpha Communications® / S.T.R.™ model NG20 and/or NGC20, or approved equal. Unit(s) shall provide the power circuits needed for various functions on S.T.R.™ video and/or intercom system(s). Low voltage wiring shall be used and positive screw terminals shall be provided for installation wiring. 

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

NG20 / NGC20 15VDC Regulated Power Supplies

The Alpha Communications® / S.T.R.™ NG20 and NGC20 15VDC regulated power supplies are used with our S.T.R.™ series video-intercom and/or intercom systems. They provide 15VDC (630mA) regulated DC output for various system functions. 

The NG20 and NGC20 power supplies are designed to easily surface mount right onto the finished wall by means of customer supplied screws or the convenient plastic 'Din Rail' bracket supplied with each switching adapter. Connections are positive screw terminal type.

  • Secondary Operates on Safe Low-Voltage Class II Wiring
  • Convenient Plastic 'Din Rail' Mounting Bracket
  • Positive Screw Terminal Connectors
  • Fused Secondary
  • L.E.D. Power-On Indicator

Width: 2.50" (64mm)
Height: 4.00" (102mm)
Depth: 2.125" (54mm) from mounting surface

Rugged ABS plastic casing.
Positive Screw Terminal Connectors.
Primary Voltage:
115VAC, 60Hz.
Secondary Voltage:
15VDC, 0.6A

Alpha Communications
42 Central Drive • Farmingdale • NY • 11735-1202 • Phone: (631) 777-5500 • Fax: (631) 777-5599
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Due to continuous product improvement, all colors, sizes, materials, finishes and specifications are subject to change without notice.