Honeywell PA404A1033
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Honeywell PA404A1033

Gray Enamel Pressuretrol Controller, 0.5 - 9 psi, SPST

  • Manufacturers: Honeywell
  • Brand Name: Honeywell
  • PN: PA404A-1033
  • MPN: PA404A1033
  • Min. Order Qty: 1
  • Qty. Interval: 1
  • Availability: loading
  • 89 4.4 Branch Availability
Connection Size      :      1/4 in
Connection Type      :      FNPT
Contact Configuration      :      SPST
Contact Rating      :      0.25 A at 0.25 - 12 VDC/120 VAC, Resistive: 8.3 A at 240/277 VAC, 7.2 A
Dimension      :      3-3/8 in W x 4-15/32 in H x 2-1/4 in D
Finish      :      Gray Enamel
Item Name      :      Pressuretrol Controller
Pressure Rating      :      0.5 - 9 psi
Switching Action      :      Snap
Temperature Rating      :      150 deg F
VA Rating      :      150 VA at 277 VAC Pilot-Duty

The PA404 is a series 40 (2-wire, SPST) pressuretrol controller for use in 24, 120, 240 or 277 V control circuits or in self powered (mV) applications.

  • The PA404A is a pressure actuated high limit, safety control for steam heating boilers, it breaks an electrical circuit to shut-down the burner if steam pressure rises above a safe level
  • Each model contains an SPST micro switch snap-acting switch
  • Sensitive pressure-actuated diaphragm expands or contracts with pressure variations, moving a lever mechanism which operates the snap switch
  • A screw on top of the case allows set-point adjustment without removing the cover
  • Differential is adjusted by means of a dial located inside the case

Standards/Certifications: UL MP466, MBPR and CSA LR1620 certified

Applications: For steam heating boilers