4140 Pressure and Temperature Switches
AMOT Model 4140 switches are available as a single (4140C & F), dual step pressure or temperature switch (4140D & E), or a combined pressure and temperature switch (4140A). Model 4140 temperature switches and combined switches are supplied with a thermal well or slip coupling and are mounted by inserting the temperature sensing element into a properly located pipe boss.
Note: 4140 Pressure and Temperature Switch replaces model numbers 8252, 8253, 8254, 8255, 8256 and 2340.
Features and Benefits
- Gold and silver plated contacts - for use in I/S circuits
- Weatherproof enclosure IP56
- Single and dual set points - alarm and shutdown capabilities in one unit
- Combined temperature and pressure with independent, fully adjustable set points - for use in diverse applications
Specifications
| Housing material: | Diecast aluminum alloy casting Fully gasketed and weatherproof |
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| Pressure sensing wetted parts: | Fitted with nitrile rubber diaphragm | ||
| Temp. sensing probe: | Wax element enclosed in copper sheath or bi-metallic disc (range 6) | ||
| Vibration: | Resistant up to 14G/100Hz | Refer to microswitch type | |
| Temperature: | Temp. switch: Pressure switch: |
-40 to 120°C -40 to 90°C |
-40 to 248°F -40 to 194°F |
| Types: | Single Dual Combined pressure and temperature |
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Applications
Suitable for industrial and marine applications, providing protection and safety of:
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Diesel engines
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Compressors
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Pumps
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Transmissions
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Gearboxes