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Mpl 503 Air Pressure Switch - Normally Open
MFR Model# 0503DO-XS-0001
Overview
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MPL 503 Series pressure sensor switch activates at 42 knots. The accuracy and reliability offer an excellent general purpose low pressure to electric interface for monitoring and control applications. The miniature size make the 503 Series ideal for OEM applications. Setting: Normally open. Activates at 42 knots. |
Terminals
- NEMA 0.020" x 0.187" male tabs are standard
- Low-profile terminals for 18-22 gage wire
- Optional bifurcated terminals accept 0.020" x 0.187" or 0.020" x 0.110" female quick disconnects
- Terminals are available for printed circuit board mounting.
- Custom applications requiring elongated terminals, tinning, and custom wiring can also be accommodated.
Electrical
- Diaphragm material can be selected for the operating medium, temperature range, and other parameters
- Actuation point can be moderately adjusted by the designer
- Designed for low current and logic applications ( LED indicators, solid state relays)
- 10 to 20mA loads ensure reliable switching (Varistor or R-C snubber recommended for inductive loads)
- Heavier loads require the use of interface devices such as solid state relays
- Features an integral triac
Leakage
- The diaphragm functions as both sensor and seal
- Dynamic applications, the diaphragm provides an adequate seal
- Static applications, a secondary internal gasket will ensure a near bubble tight seal
Reviews
Product information didnt advise hose size and packaging didnt provide instructions as to use. I must have picked the correct pressure port because it works as expected.
Verified Purchase
Mpl 503 Air Pressure Switch Range B
Verified Purchase
Mpl 503 Air Pressure Switch Range B
This seems to fit the bill for a homebuilt Velocity retract system were building. The unit appears to actuate around 50kts and has male tab terminals which make for easy wiring. The four holes make mounting a snap.
Q&A
Please note, Aircraft Spruce Canada's personnel are not certified aircraft mechanics and can only provide general support and ideas, which should not be relied upon or implemented in lieu of consulting an A&P or other qualified technician. Aircraft Spruce Canada assumes no responsibility or liability for any issue or problem which may arise from any repair, modification or other work done from this knowledge base. Any product eligibility information provided here is based on general application guides and we recommend always referring to your specific aircraft parts manual, the parts manufacturer or consulting with a qualified mechanic.
Per the vendor it is set to .5" to 3" in water.
