Cole-Parmer Datasheets for Pressure Switches

Pressure switches are actuated by a change in the pressure of a liquid or gas.  They activate electromechanical or solid-state switches upon reaching a specific pressure level.
Pressure Switches: Learn more

Product Name Notes
H400K-455 - Differential Pressure Switch <tol>5 to 50" WC -- GO-68091-76
H400K-456 - Differential Pressure Switch <tol>2 to 20" WC -- GO-68091-77
H400K-457 - Differential Pressure Switch <tol>3 to 30" WC -- GO-68091-78
H400K-559 - Differential Pressure Switch <tol>10 to 100" WC -- GO-68091-79
• Legendary UE reliability • Tamper-resistant external setting adjustment • Terminal block wiring • Enclosure design permits safe and easy access for wiring • NEMA 4X / Die cast aluminum...
A3003 - A3003:Swtch/Gauge 0/3.0inWC Photohelic Pre Switch/Gauge -- GO-68462-88
A3010 - A3010:Swtch/Gauge 0/10 Inwc Photohelic Pre Switch/Gauge -- GO-68462-90
A3015 - A3015: Swtch/Gauge 0/15 Inwc Photohelic Pre Switch/Gauge -- GO-68462-91
A3100 - A3100:Swtch/Gauge 0/100inWC Photohelic Pre Switch/Gauge -- GO-68462-89
The switch/gauges function in the same manner, as versatile, precise pressure switches combined with a pressure gauge utilizing the time proven magnehelic design. Available with 1 or 2 LED/phototransistor actuated...
D4-24-B-100#D - Ashcroft D4, Watertight Pressure Switch, 100 psid, Buna-N -- GO-68455-15
D4-24-B-100IWD - Ashcroft D4, Watertight Pressure Switch, 100" WC, Buna-N -- GO-68455-14
D4-24-B-400#D - Ashcroft D4, Watertight Pressure Switch, 400 psid, Buna-N -- GO-68455-16
This general purpose Ashcroft<reg> switch series is ideal for use in virtually all Industrial and OEM applications. FEATURES|<UL> <LI>Corrosion resistant enclosure meets NEMA 3, 4, 4X, 13 and IP66 |<LI>Choice...