Pressure switches

Alco low pressure switch PS1-A3A 7/16''UNF

Order No.: 284.0250
Manufacturer number: 4370700
Manufacturer: Alco

More in this category: Pressure switches

One click to the most important information:

Features

  • Low bounce contacts
  • Flange and solder connections
  • High switching power up to 144 A start-up current
  • Both contacts are changeover contacts with the same switching power as standard
  • Dual pressure controllers with isolated changeover contacts for the high and low pressure sides
  • Sealable
  • All high ...
  • Low bounce contacts
  • Flange and solder connections
  • High switching power up to 144 A start-up current
  • Both contacts are changeover contacts with the same switching power as standard
  • Dual pressure controllers with isolated changeover contacts for the high and low pressure sides
  • Sealable
  • All high pressure switches with flange connection feature a throttle screw for dampening pressure surges as standard.

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Accessories / Replacement parts

  • Mounting bracket
    Alco mounting bracket universal mounting bracket 803798
    Order No.: 282.0257

Technical data

General information
Connection type
Bördel
Application
Niederdruck
Construction
Druckschalter
Reset
automatisch
Rohrmaß
Zöllig
Type
PS1A3A
Factory settings
3,5 bis 4,5 bar
Pressure
Lowest switching point
-0,9 bar
max. test pressure
24 bar
Adjustment range
upper switching point
7 bar
(-0,5 bis +7)
lower switching point
0,5 bis 5 bar
Electrical Data
Starting current
230 V
Motor current
230 V
ohmic load
24 A
Protection class
IP 44
(nach DIN 40050 / IEC 529)
Inductive load AC11
20 A
Inductive load DC11
0,1 A
Pipe connections
Pipe dimension
7/16 Zoll
UNF
Bördel
Temperature data
Ambient temperature
-50 bis +70 °C
max. temperature
at pressure connection
+70 °C
Technical modifications reserved. Product images may differ from the actual product and are meant for demonstration purposes only. Absolutely no liability can be assumed for possible indication errors and errors in the manufacturers’ information.

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