ROBUS PROTON UNIVERSAL 360 PIR

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ROBUS PROTON UNIVERSAL 360° PIR
Preliminary Information
Release Year 2016
Leak Risk Low
Batteries None
Mounting Technology Through Hole, SMD
Capacitor Types Film (X2), Aluminum Electrolytic, Ceramic
Destructive Entry No
Power Requirements
Input Voltage 220 - 240 VAC 50/60 Hz

The ROBUS PROTON UNIVERSAL 360° PIR sensor (RU360-01) is a typical ceiling mountable PIR motion sensor intended for indoor applications sold in the Australian and EU markets.

Known Issues

Device does not function or behaves erratically

Causes

  • Film capacitor in the 'capacitive dropper' power supply has degraded and no longer passes enough current for the device to operate correctly

Solutions

  • Replace both X2 film capacitors (C29 & C30)

Disassembly Notes

caution CAUTION This device contains a non-isolated mains voltage 'capacitive dropper' style power supply. Low voltages still pose a hazard.
  • Front bezel quarter turn to remove and expose controls
  • 4 self tapping screws hold enclosure together, PH2 bit size
  • 3 plastic clips hold enclosure onto surface mounting plate
  • Ensure potentiometers are correctly aligned with plastic knobs during re-assembly

Original Parts

Main PCB (only one)

No model numbers or board revisions visible

Capacitor Specifications and Footprint Information
RefDes Qty Capacitance Voltage Mount Diameter/Size Height Lead Spacing Temp Type Brand Series
C29 1 0.47 µF 275 VAC THT 17.5 mm x 10.0 mm 16.0 mm 15.0 mm Film X2 JIMSON GMF
C30 1 0.1 µF 275 VAC THT 12.5 mm x 6.0 mm 12.0 mm 10.0 mm Film X2 JIMSON GMF

Replacement Parts

The replacement Vishay 339 series film capacitors have higher ratings and should be expected to last far longer than the original capacitors.

Capacitors
RefDes Qty Compatible Part Number Order Links
C29 1 BFC233920474 Digikey
C30 1 BFC233910104 Digikey

If parts are not available or different selection is preferred, you can use the values in the Original Parts section to perform a parametric search

note NOTE Vishay recommends the F1772 series X2 'high stability grade' film capacitor for 'capacitive dropper' power supply applications. Use this if avalaible in correct package, otherwise Vishay 339 series will suffice.

Related Links

References