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SMA / SMF - Hydraulic & Pneumatic Pressure Switch

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DESCRIPTION:

Snap Saction Pressure Switch for Hydraulic and Pneumatic Applications

The SMA/ SMF pressure switch is ideal for both hydraulic and pneumatic applications. It utilizes a proven piston/diaphragm design to provide excellent accuracy and high proof pressures with zero leakage. This switch is also offered with high ingress IP67 protection for harsh environmental applications.

NEW: Now available with an IP67 rated protective cover for flying lead options.

Click here for SMA / SMF Datasheet / Ordering Information
Click here for Installation Guide

FEATURES:

  • Snap action micro switch
  • Factory set or field adjustable
  • Diaphragm/piston design for longevity
  • High proof pressure
  • UL and CE approved 

APPLICATIONS:

  • Hydraulic system control
  • Material handling equipment
  • Lubrication systems
  • Garbage compactors

SPECIFICATIONS:

Electrical
5A [12/24 VDC, 125 VAC] or 3A [250 VAC]
Switch Type
Snap Action

Protection
DIN 43650A - IP65
Terminals - IP00
CA Protective Cap with access to Adjustment Screw - IP67
CS Protective Cap with no access to Adjustment Screw- IP67
Temperature Range
-20°F to 180°F (-29°C to 82°C) Nitrile
Mechanical Range
1,000,000 Cycles @ 1000 PSI (69 BAR)
Diaphragm Material
Standard: Nitrile
Optional: Viton, EPDM , HNBR 
Housing Material
Zinc Plated Steel (Optional Stainless Steel)
Maximum Overpressure
9000 PSI (620 BAR)
4700 PSI (324 BAR) for SMA-3 model
Repeatability
+/- 2% of full set point range at 20°C (68°F)
Differential
7 - 30% of setting
Weight
0.37 lbs (0.17 kg)

PRESSURE RANGE:

Model Adjustment Range
PSI BAR
SMA-3 10 - 35 0.7 - 2.4
SMA-4 30 - 120 2.0 - 8.0
SMA-5 75 - 300 5.2 - 21
SMA-6 300 - 1200 21 - 83
SMA-7 1000 - 3000 69 - 207
SMA-8 2000 - 5000 138 - 345

Dimensions:

SMA Dimension

Wiring Code:

CONTACT
FLYING LEADS
DIN 43650 TYPE
FLWF / FLWM
WEATHERPACK
FLDR / FLDP DEUTSCH
RECEPTACLE / PLUG
COMMON
BLACK
PIN 1
PIN A
PIN A / PIN 1
NORMALLY CLOSED
BLUE
PIN 2
PIN C
PIN C / PIN 2
NORMALLY OPEN
RED
PIN 3
PIN B
PIN B / PIN 2

NOTE: Please consult factory for more information on model series: SMA-1, SMA-1A & SMA-2 .

For requirements that require analog output, please view our T200/T201 series pressure transducer.

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