MDA系列 可調(diào)設(shè)定點(diǎn)的微型差壓開(kāi)關(guān)-德威爾Dwyer
MDA系列 可調(diào)設(shè)定點(diǎn)的微型差壓開(kāi)關(guān)可現(xiàn)場(chǎng)選擇設(shè)定點(diǎn)，帶金觸點(diǎn)。 可用于空氣，或者高壓端可連接兼容液體。它重量輕，體積小，特別適用于安裝空間受到限制的場(chǎng)合。它常用于暖通空調(diào)行業(yè)，水泵和馬達(dá)控制，醫(yī)療設(shè)備，機(jī)動(dòng)車輛，游泳池或溫泉控制等地方。
Switch Type: SPST normally open.
Switching Media: Air or compatible fluids on “high side”.
Pressure Limits: MDA-011: 4 psi; MDA-111: 8 psi; MDA-211: 8 psi; MDA-311: 15 psi. MDA-411: 30 psi.
Current Rating: 40 mA resistive for life in excess of 20 million cycles.
Temperature Limits: 40 to 150°F (4 to 66°C).
Contacts: 18K gold inlay.
Electrical Connections: Terminals - 0.187" x 0.20: spade (recessed) for use with quick disconnects.
Pressure Connections: Smooth port 5/32" diameter for 1/8" ID tubing.
Housing: Polycarbonate.
Diaphragm Material: Polyurethane.
Operating Voltage: AC/DC - 30 V or less with resistive load.
Mounting: Use #4 screws through mounting lugs or #2 screws through eyelets.
Weight: Less than 10 grams.
Agency Approvals: cULus.
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