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Sanwa Denki SPS-8WP

This is a waterproof pressure switch with a robust aluminum die-cast cover. Please refer to SPS-8WP-F
if the opening and closing pressure difference needs to be 1/2 .
 
Capacitance
AC 250V 5A DC 100V 1A
AC 125V 10A DC 24V 5A
Outline drawing of SPS-8WP
Main material
Pressure receiving part
(wetted part)
zinc alloy die casting
stainless steel
Pressure receiving element
(wetted part)
stainless steel bellows
cover aluminum die cast
switch body Phenolic resin molding
contact Silver, gold plating (3μ)
spring stainless
fluid For fluids such as air, gas, oil, water, and other
corrosive liquids and gases, a corrosion-resistant stainless steel pressure receiving part (liquid contact part) is available.
Contact configuration, wiring method
Wiring diagram of SPS-8WP
Wiring method
Terminals 1 (red) and 2 (blue)
 OFF when pressure rises ,
 ON when pressure drops
Wiring method
Terminals 1 (red) and 3 (black)
 ON when pressure rises and
 OFF when pressure drops
Standard specifications Unit: MPa (kg/cm²)
  Lower limit adjustment range (pressure range) Open/close pressure difference Tolerance Pressure resistance Standard setting
A. 0 to 0.1 (0 to 1.0) 0.02 to 0.07 (0.2 to 0.7) ±0.005 (±0.05) 1.0 (10) 0.03-0.05 (0.3-0.5)
B. 0.05 to 0.25 (0.5 to 2.5) 0.03 to 0.15 (0.3 to 1.5) ±0.01 (±0.1) 2.0 (20) 0.10-0.13 (1.0-1.3)
C. 0.20 to 0.55 (2.0 to 5.5) 0.05 to 0.20 (0.5 to 2.0) ±0.015 (±0.15) 2.0 (20) 0.30-0.35 (3.0-3.5)
D. 0.5 to 1.0 (5.0 to 10) 0.10 to 0.25 (1.0 to 2.5) ±0.02 (±0.2) 2.0 (20) 0.7-0.8 (7.0-8.0)
As a general rule, the pressure setting is the factory setting. When ordering, please specify the operating pressure value (ON, OFF) and port size .
 

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