RS PRO 686 Series Momentary Air Switch, Surface Mounted

  • RS-artikelnummer 316-951
  • Tillverkare / varumärke RS PRO
Datablad
Lagstiftning och ursprungsland
RoHS-Försäkran
COO (Country of Origin): GB
Produktdetaljer

Air Operated Switches, 2-Pole Element, Surface Mount

The momentary action switch unit incorporates two SPDT microswitch contacts, one switch operating before the other, i.e. an increase in applied pressure on the actuator is required to operate the second switch
The alternate action switch unit incorporates two SPDT microswitch contacts, acting simultaneously
Each switch is rated at 15 A, 250 V ac. Mounted by four No. 4 self-tapping screws
Operating pressure 1.2 psi
Maximum pressure 15 psi

Note

The mounting screw length must not exceed 6mm otherwise the bellows may be punctured.

Approvals

UL

Actuators, Switch Elements, Tubing & Accessories

The air operated switch system offers enhanced safety in hazardous areas by allowing remote operation of electrical circuits.
The actuator is a bellows which, when compressed moves air down the air tubing to the switch element. This compressed air then expands a bellows in the switch, which operates the electrical contacts.
When used in wet environments or where electrical switching would be dangerous due to arcing, the switch and all electrical wiring can be located outside the hazardous area giving the operator total electrical isolation for the equipment.
Such applications include: Battery charging rooms, laboratories, garages, or wherever explosive gases, vapours or powders may exist.

When assembled the air switch and actuator form a sealed system, therefore temperature variation will cause pressure changes, which can in extreme cases affect the performance of the switch. To prevent this the total volume of the system must be kept below a critical value for a given temperature range and, to this end, a maximum length of air tubing (and hence volume) can be given for any combination of switch and actuator.
The additional data tables give these lengths in metres; for moderate and extreme temperatures.

Specifikationer
Attribute Value
Manufacturer Series 686
Type Momentary
Mounting Type Surface
Operation NO/NC
For Use With Battery Charging Rooms, Garages or Wherever Explosive Gases, Laboratories, Vapours or Powders May Exist, 3 mm I/D Tubing
24 I lager för leverans inom 1 arbetsdagar
Pris (ex. moms) Each
152,70 kr
(exkl. moms)
190,88 kr
(inkl. moms)
Enheter
Per unit
1 - 4
152,70 kr
5 - 9
148,00 kr
10 +
143,09 kr
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