OMEGA

PSW-621 OEM Mechanical Pressure Switch for Indoor Applications

0.8 to 30 psi, fixed deadband

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PSW 621 OEM Mechanical Pressure Switch for Indoor Applications 13720
• Watertight, Corrosion-Resistant Case
• Thin Film Sensor for Long Stabile Life – Minimum 1 Million Cycles at Rated Load
• Reliable in Industrial Environments
• Field Adjustable
Repeatability± 2% of max system pressure
CyclingNot to exceed 20 cycles/min
Warranty3 year/1 million cycles
Proof Pressure150% Max Pressure
Wetted Parts17-7 PH stainless steel, Loctite sealing compound #271, ZA8 alloy, chromate finish
EnclosureZinc alloy, chromate finish
Dimensions48 L x 28 mm Dia. (1.9 L x 1.1' Dia.)
Pressure Port1/8 -27 NPT Male
Electrical Connection300 mm (12') pigtail leads, 20 AWG, polyvinyl insulated
Wiring Code (pressure)Black = Common
Red = N/C
White = N/O
Wiring Code (vacuum)Black = Common
Red = N/O
White = N/C
Weight57 g (2 oz) (approx)
Process Temp-55 to 105°C (-65 to 221°F) 2% setpoint shift can occur below -23°C (-10°F) or above 52°C (125°F)

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