HPAS-1 Load Weigh Switch

HPAS-1 Load Weigh Switch
Product Code: HPAS-1

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Maxton now offers this NEW adjustable 150-600 psi, 1/8" Male NPT, HPAS-1 Load Weigh Switch. This high pressure switch (Anfield SMA-2M-C-FLS614, cURus E327045) is tested specifically for hydraulic elevator applications to comply with ASME A17.1/B44 pressure safety ratings and NYC DOB Section 2.16.10 revision requirement for all passenger and freight elevators.  Position this switch on the system pressure side of a valve, in either the “B” or “S” port for a Maxton valve.

Note: For a higher PSI range choose our HPAS-2 with (500-1200 PSI).  


  • Smaller footprint for easier fit within power unit
  • Normally open or closed lead options
  • Single tamper resistant 5/64” Hex wrench adjuster
  • 1 Year Warranty

Adjustment Procedure 

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