Pressure Measurement

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Home | Mechanical Pressure Switches | 300 Series Compact SPDT | Product Specifications

 

300 Series Compact SPDT Mechanical Switch With Adjustable Hysteresis
Product Specifications

 

SPECIFICATIONS
Switching parameters
     Number
     Function
     Contact rating
 
 
     Non-repeatability
     Contact material
     Frequency
     Media

1
SPDT, micro switch
Up to 28 Vdc 2A
Up to 125 Vac 4A
Up to 250 Vac 4A
±2% of full scale adjustment range
Silver-plated
Max. 100 cycles/min
Diaphragm type, compressed air or not corrosive liquids
Piston type, self lubricating fluids such as hydraulic oil or grease
Pressure ranges 3 psig to 30 psig through 450 psig to 4,600 psigĀ­
Diaphragm type: 870 psi max.; Piston type: 5,000 psi max.
Switch adjustment
     Switch point
     Hysteresis

Full scale
Adjustable, see Charts
Service life >1,000,000 load cycles
Temperature ranges Media -4 °F to 176 °F (-20 °C to 80 °C)
Ambient -4 °F to 176 °F (-20 °C to 80 °C)
Storage -4 °F to 176 °F (-20 °C to 80 °C)
Proof pressure 870 psig or 5,000 psig depending on adjustment range
Measuring element NBR diaphragm < 225 psig; steel piston with NBR seal > 225 psig
1/4" NPT zinc-plated steel standard connection, others available on request
Housing material Zinc-plated steel
Environmental rating IP65
Weight Approximately 0.2 lb.
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