­

Potter Amseco PS-40-2 Low/High Supervisory Pressure Switch for Dry Valves, Two Sets of SPDT Contacts

  • MPN: PS40-2
  • JMAC ID: 200013386
$139.87
In Stock
  • Expedited Shipping Available Expedited Shipping Available
  • Need it Tomorrow?
    Need it Tomorrow?
    Select the NEED IT FAST shipping option at checkout and a member of our team will contact you promptly with any available Expedited Shipping options once we receive your order.
JMAC_ID:
200013386
df_manual_boost:
2.20
The Potter Amseco PS40-2 is a supervisory pressure switch with two sets of SPDT contacts, designed primarily to detect an increase and/or decrease from normal system pressure in automatic fire sprinkler systems.

Typical applications for the PS40-2 include dry pipe systems, pre-action air/nitrogen supervision, pressure tanks, air supplies, and water supplies.

UPC: 785192013709
Also known as: PL-PS402, PS402

Technical Specifications:
  • Pressure Connection: Nylon 1/2" NPT male
  • Conduit Entrance: Two knockouts provided for 1/2" conduit. Individual switch compartments and ground screw suitable for dissimilar voltages
  • Switch Contacts: SPDT (Form C), 10.1 Amps at 125/250VAC, 2.0 Amps at 30VDC, Two SPDT
  • Maximum System Pressure: 300 PSI (20,68 BAR)
  • Differential: Typical 1 lb. at 10 PSI (.07 at .7 BAR), 4 lbs at 60 PSI (.28 at 4.1 BAR)
  • Pressure Range: 10-60 PSI (.7 - 4.1 BAR)
  • Factory Adjustment: Operates on increase at 50 PSI (3.5 BAR) and on decrease at 30 PSI (2.1 BAR)
  • Enclosure: Cover- Die-cast with textured red powdercoat finish, single cover screw and rain lip; Base- Die-cast


For more information about the Potter / Amseco PS40-2, please contact us.
  • Factory set for operation at: Pressure Increase at 50 psi, Pressure Decrease at 30 psi
  • Two ½” knockouts for dual voltage applications
  • Two sets of SPDT contacts
  • NEMA 4 solid metal enclosure
  • Factory installed neoprene gasket
  • Pressure range 10-60 psi
  • 300 psi system pressure rated
  • ½” male NPT fitting
  • Independent switch adjustment allows easy adjustment of one switch without affecting the other switch
  • Separate isolated wiring chambers eliminate NEC questions regarding multi-voltage applications
  • Listings: UL, cUL, CSFM, FM, LPC, NYMEA, and CE
  • 5-year warranty

2 Reviews

  • 5
    POTTER-AMSECO-PS40-2

    Posted by 158665 on Jul 18th 2020

  • 5
    POTTER-AMSECO-PS40-2

    Posted by 109024 on Feb 14th 2017

Live Chat