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Description SPDT) The rated value of the linked micro switch contacts is 15A 250 V AC/30V DC, connected through 250 (1/4 in) terminals using 9/16 UNF nuts (provided) fixed through the panel, or surface mounted with an additional 3.2 mm fixing hole suitable for M3 screws or No. 6 self tapping screws with a working temperature range of -10 ° C to+60 ° C (depending on the pipe length limit - please refer to the attached data sheet). The actuator, switch element, conduit, and accessory pneumatic switch system allows remote operation of the circuit and enhances safety in hazardous areas. The actuator is a bellows that moves air down the duct to the switch element during compression. This compressed air then expands the bellows inside the switch to manipulate the electrical contacts. When used in humid environments or when electrical conversion may pose a danger due to arcing, switches and all circuit wiring can be installed outside the danger zone to provide the operator with overall electrical insulation of the equipment. This type of application includes: battery charging rooms, laboratories, garages, or places where explosive gases, vapors, or powders are present. When the assembled air switch and actuator form a sealed system, the resulting temperature fluctuations will cause pressure changes and ultimately affect the switch performance. To prevent this situation, the total volume of the system must be controlled below the critical value of the specified temperature range, and based on this, the maximum length (and volume) of the air duct can be specified for any combination of switches and actuators. The additional data table provides these lengths (in meters); Suitable for both normal and extreme temperature conditions.
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Other/Manufacturer Series: 687

Other/Type: Instantaneous type

Other/Installation Types: panel

Other/Operations: Normally Open

Other/Flyline Length: 250mm

Other/Used for: Battery Charging Rooms, Garages or Wherever Explosive Gases, Laboratories, Vapours or Powders May Exist, 3 mm I/D Tubing

Compliant with standards/RoHS standards:

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