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Free Shipping Australia Wide - Orders $199+

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Air Pressure Switch, Norm Open, 42 Knots, Adjust (TRF10)

SKU: MPL503
3,352.17
In Stock 19 available Ships from Australia
How to get it
Dispatches on the next business day
60-day returns
Full shipping policy
Delivery estimate

Shipping

Free Shipping Tier

Enjoy complimentary shipping on orders valued at $199 AUD or more. This offer is available to delivery addresses within Australia only. No delivery fee will be charged if your order meets or exceeds this amount.

Delivery Fees

All international orders incur a delivery fee. Within Australia, orders under the free shipping threshold also incur a delivery fee.

We charge only what it costs to ship your order, and sometimes absorb some cost to ensure you receive competitive rates.

Exact delivery costs are calculated at checkout after entering your shipping address, and vary depending on your location and country.

Same Day Dispatch

Most in-stock items ship the same day when your order is placed before 3:00 pm AEST on a weekday. Orders are dispatched from our warehouse and handed to the carrier that same day.

During peak periods some delays may occur, but we'll do our best to notify you in advance.

See our full shipping policy

Returns

Easy 60-Day Returns

Not 100% satisfied? You can return eligible items within 60 days of purchase for a refund or exchange. We aim to make the process quick, simple and stress-free.

3 easy steps

  1. 1
    Request your return

    Fill out our online returns form to let us know what you'd like to return and why.

  2. 2
    Follow shipping instructions

    You'll receive an email with return shipping details. Pack your item securely and send it back.

  3. 3
    Receive your refund

    Once your return is received and inspected, we'll process your refund promptly.

See our full returns policy

Security & Privacy

Secure Payments

Your payment information is protected using industry-standard PCI DSS security, strong encryption and ongoing system monitoring.

We accept major credit cards, PayPal and other trusted providers.

  • American Express
  • Apple Pay
  • Bancontact
  • Blik
  • Google Pay
  • Mastercard
  • PayPal
  • Shop Pay
  • UnionPay
  • Visa

We do not store or have access to your credit card details.

Delivery Guarantee

All orders are securely packed for safe transit. If your order arrives damaged or is lost in transit, you're covered by our full refund or replacement guarantee.

Every order includes tracking so you can follow its journey.

Privacy Protection

We never sell your personal information. Your details are used only to process your order and improve your experience.

We are committed to keeping your information safe and uncompromised.

Privacy Policy

Help & Support

Shop confidently knowing that if something goes wrong, we're here to help until the issue is resolved.

Shipping estimate

Estimate for delivery within Australia. Final cost is confirmed at checkout.

Product Info

MPL 500 Series switches offer pressure, vacuum, and differential sensors, sensitive to as low as 0.05 in H₂O. Air Pressure Switch that activates between 120-125 knots. Their accuracy and reliability offer the designer an excellent general purpose low pressure to electric interface for monitoring and control applications. Miniature size and low cost make the 500 Series ideal for OEM applications.

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

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.

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

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