Page 87 - Parker- Parker global air preparation system

Catalog 0750-3 US PPS1 Pressure Switch
Global Air Preparation System Kits & Accessories

Pressure Switch – PPS1 Dimensions

Wire Configuration
3 (Normally Open) Pin 1 - Common (Black)
Top View DIN Pin 2 - N.C. (Blue)

3 Pin 3 - N.O. (Red)
1 1.50 1.20
(Common) 2 (Normally Closed) (38.1) 2 GND 1 (30.5) Ø
Pin Configuration 18” Leads
Pin 1 - Common (Black)
Pin 2 - N.C. (Blue)
Pin 3 - N.O. (Red)
2.50 Max.
(63.5) 2.30 Max.
(58.4)
1-1/8 Hex 1-1/8 Hex
1/8-27 NPT 1/4-18 NPTF
• Long life elastomer diaphragm
• High quality snap action switch Definitions and Terminology
• Field adjustable Repeatability — Accuracy is the maximum allowable set point
• Compact design deviation of a single pressure or temperature switch under one
given set of environmental and operational conditions.
• Easily customized
Single Pole Double Throw (SPDT) Switching element —
• Quick delivery A SPDT switching element has one normally open, one
• NEMA 4, 13 normally closed and one common terminal. Three terminals
mean that the switch can be wired with the circuit either
normally open (NO), or normally closed (NC), or both.
Dead Band — The dead band, sometimes referred to as
“differential” or “hysteresis”, is the change in pressure between
Operation actuation and deactuation set points.
The pressure switch monitors the air pressure in your
pneumatic system. When the pressure in your system either Specifications
drops below or exceeds the set point pressure, an electrical Set point tolerance ±1 PSI or 5% (.07 bar)
output is given.
Temperature range -40F° to 220F° (-40C° to 105C°)
Max. operating pressure (Ranges 1, 2, 3) 250 PSI (17.2 bar)
Max. operating pressure (Range 4) 2000 PSI (137.9 bar)
Deadband 10 - 20% of set pressure
Current rating 3A @ 125 VAC
2A @ 30 VDC (Resistive)
Circuit form SPDT Standard
Cycle life 1 Million

Material Specifications
Adjustment knob Anodized aluminum
Body Brass
Diaphragm Nitrile
Options:

PPS1 - 1 C 3 - R HM

Thread Set Point Electrical
1/4" NPT male 1 Direction Connection
1/8" NPT male 2 R Rising HM DIN 9.4mm
1/4" BSPP male 17 Range* WL Wire leads 18"
1/8" BSPP male 18
1 3-10 PSI * Factory setting for calibration purposes
2 6-30 PSI Range 1 = 6 PSI
Circuit 3 20-120 PSI Range 2 = 18 PSI
SPDT C 4 100-400 PSI † Range 3 = 70 PSI
Note: Switch is field adjustable. † Only available in 1/4" NPT Range 4 = 250 PSI

87 Parker Hannifin Corporation
Pneumatic Division
Richland, Michigan
www.parker.com/globalfrl