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D2VW-01-1MS Datasheet(PDF) 6 Page - Omron Electronics LLC |
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D2VW-01-1MS Datasheet(HTML) 6 Page - Omron Electronics LLC |
6 / 8 page 212 Sealed Snap Action Switch D2VW Precautions Be sure to read the precautions and information common to all Snap Action and Detection Switches, contained in the Technical User’s Guide, “Snap Action Switches, Technical Information” for correct use. ■ Correct Use Operations Make sure that the switching object is perfectly separated from the actuator when the switch is not operated and the actuator is pressed appropriately by the switching object when the switch is operated. The switch should be set so that its stroke will be within the rated OT when the switch is operated. With the pin plunger models, set the switch so that the plunger can be actuated from directly above. Since the plunger is covered with a rubber cap, applying a force from lateral directions may cause damage to the plunger or reduction in the sealing capability. Handling Handle the switch carefully so as not to break the sealing rubber of the plunger. Using Microloads Using a model for ordinary loads to switch microloads may result in faulty operation. Instead, use the models that are designed for microloads and that operate in the following range; However, even when using microload models within the operating range shown above, if inrush current or inductive voltage spikes occur when the contact is opened or closed, then contact wear may increase and so decrease the service life. Therefore, insert a contact protection circuit where necessary. ■ Cautions Degree of Protection The D2VW was tested under water and passed the following water- tightness test, which however, does not mean that the D2VW can be used in the water. JIS C0929 (rules for testing the watertightness of electrical devices and materials), class 7 (watertightness test). Refer to the following illustration for the test method at OMRON. Note: The object to be tested is left in the water for 30 minutes on con- dition that the distance between the surface of the water and the top of the object be 15 cm minimum and the distance be- tween the surface of the water and the bottom of the object be 1 m minimum. Protection Against Chemicals Prevent the switch from coming into contact with oil and chemicals. Otherwise, damage to or deterioration of the switch materials may occur. Correct Incorrect Incorrect Operating range for micro load models D2VW-01 Operating range for general-load models D2VW-05 Current (mA) Inoperable range 30 24 12 5 0 1 10 100 1,000 0.16mA 100mA 100mA 160mA 26mA 1mA |
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