Power Pack with 20 Amp Relay

Power Packs are the heart of the low voltage sensor system. The PP20 transforms 120, 240 or 277 volts to Class II 15 VDC to power the remote sensors. Utilizing our patented relay circuit protection, the PP20 also switches the lighting load on and off. This method has been tested to over 400,000 cycles at rated load!

Although Plenum Rated, the elongated mounting nipple allows for the PP20 to be mounted either directly through a 1/2 inch knockout in a junction box or to be located inside an adjacent box for specific local code requirements. Up to 14 sensors may be connected to one PP20. Multi-circuit control can be handled by multiple PP20s or via 2-pole power packs (PP20 2P) and slave packs (SP20). PP20s can be wired continuously hot (line side) or on the switch leg (load side) without nuisance delays upon turn on.


  • Dual voltage transformer
  • Self-contained relay
  • Patented relay contact protection (tested to over 400K cycles)
  • Powers up to 14 sensors

Product overview and specifications
Application Type Education, Government, Healthcare, Hospitality, Manufacturing, Offices and Banks, Religious, Retail, Sports and Recreation, Warehouses
Brand Name Sensor Switch
Color Black
Environment Indoor
Finish Gloss
Listings UL
Mounting Type Unit to J-box
Product Type Power Pack
Series PP20
Spec Sheets
A summary of the performance and other technical characteristics of the product.
File Type Document Title View
PP20-SP20_pdf View
Technical Files
Installation documents, building information models, etc.
File Type Document Title View
pp20_dwg View
pp202p_dwg View
pp20lt_dwg View
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