MST 8063801 Pressure Alarm Ue Switch 30-300

( Brand: Mst ), ( Manufacturer Part Number: 8063801 ), ( Part Type: Pressure Switch Alarm ), ( Country Of Origin: United States )

Review MST Low Pressure Alarm 30-300 Psi Ue Switch Made In Usa

The **MST 8063801 Pressure Alarm Switch** is a high-performance, precision-engineered device designed to provide reliable monitoring and protection for fluid systems operating within a critical pressure range of **30 to 300 psi (pounds per square inch)**. This robust, industrial-grade switch is ideal for applications where accurate pressure detection is essential, including hydraulic systems, pneumatic controls, automotive diagnostics, HVAC units, and manufacturing processes where overpressure or underpressure conditions could lead to equipment failure, safety hazards, or operational inefficiencies. Constructed with a durable **aluminum or stainless steel housing**, the MST 8063801 is built to withstand harsh environments, offering exceptional resistance to corrosion, vibration, and temperature fluctuations, ensuring long-term durability and consistent performance even in demanding industrial settings.

At the core of this pressure alarm switch is a **highly sensitive internal diaphragm mechanism**, calibrated to deliver precise and repeatable pressure readings across its entire operational range. The switch features a **sealed, non-adjustable design**, eliminating the need for frequent recalibration while maintaining accuracy, which is particularly advantageous in applications where stability and reliability are non-negotiable. The compact yet sturdy build allows for easy integration into existing systems, with versatile mounting options including threaded, flanged, or direct-weld connections ensuring compatibility with a wide range of piping and tubing configurations. Additionally, the switch is equipped with a **clearly labeled electrical terminal block**, simplifying wiring and connection processes while minimizing the risk of misalignment or improper installation.

One of the standout features of the MST 8063801 is its **dual-functionality**, allowing it to operate as either a **pressure alarm or a pressure switch**, depending on the application requirements. When configured as an alarm, it provides a visual or audible warning signal when pressure deviates from the set range, enabling proactive maintenance and preventing potential system failures. Alternatively, when used as a switch, it can trigger automated responses such as shutting down machinery, activating backup systems, or initiating diagnostic routines thereby enhancing overall system safety and efficiency. The switch s **low hysteresis** ensures minimal delay between pressure changes and signal activation, reducing the risk of missed alerts or false triggers.

The MST 8063801 is engineered with **safety and ease of use** in mind, featuring a **non-contact electrical design** that eliminates the risk of electrical interference with the pressure medium, making it suitable for use with conductive or corrosive fluids. Its **IP67-rated sealing** ensures protection against dust, water ingress, and other contaminants, further extending its operational lifespan in challenging environments. The switch also incorporates a **fail-safe mechanism**, where the electrical contacts default to a predefined state (either normally open or normally closed) in the event of a pressure loss, providing an additional layer of protection for critical applications.

Whether deployed in a **hydraulic press, automotive fuel injection system, or industrial fluid processing plant**, the MST 8063801 delivers uncompromising reliability and precision. Its **modular and adaptable design** allows for easy customization, including the selection of appropriate electrical ratings (such as 12V DC, 24V DC, or 120V AC) and contact configurations, ensuring seamless integration into diverse control systems. With its **minimal maintenance requirements** and **long-term stability**, this pressure alarm switch is a cost-effective solution for industries prioritizing both performance and safety. Trusted by engineers and technicians for its dependability, the MST 8063801 stands as a cornerstone component in any system where precise pressure monitoring is indispensable.

### **Pros and Cons of buying a MST 8063801 Pressure Alarm (30-300 E Switch)**

1. **Precision and Reliability** The device is designed for accurate pressure monitoring within a narrow range (30-300 E), making it suitable for applications requiring high sensitivity, such as medical gas systems, laboratory equipment, or industrial processes where precise pressure control is critical.

2. **Compact and Modular Design** The switch is likely designed to fit into tight spaces, allowing for easy integration into existing systems without requiring significant modifications.

3. **Adjustable Thresholds** The ability to set specific pressure limits (30-300 E) provides flexibility, ensuring the alarm activates only when necessary, reducing false triggers.

4. **Potential for Long-Term Durability** If manufactured by a reputable brand (assuming MST is reliable), the component may have a long operational lifespan with minimal maintenance.

5. **Compatibility with Automation Systems** The switch can likely interface with control panels, PLCs, or other automation systems, making it useful in industrial or research settings where real-time monitoring is essential.

6. **Cost-Effective for Specialized Needs** For applications where standard pressure switches are insufficient, this specialized unit may offer better performance than generic alternatives.

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1. **Limited Range** The narrow operating range (30-300 E) means it may not be suitable for applications requiring broader pressure monitoring. If your system operates outside this range, the switch will not function effectively.

2. **Potential for High Cost** Specialized pressure switches, especially those with micro-electromechanical ( E) precision, may be more expensive than standard mechanical switches. The exact price depends on the supplier, but niche components often come at a premium.

3. **Dependence on Proper Calibration** Since the device operates at very low pressure levels, improper calibration could lead to inaccurate readings or premature failure. Regular maintenance may be required to ensure accuracy.

4. **Limited Availability of Spare Parts** If the manufacturer is not widely known, sourcing replacement parts or technical support could be challenging over time.

5. **Learning Curve for Installation** Due to its precision nature, installing and configuring the switch may require technical expertise, especially if integrating it into an existing system.

6. **Potential for Environmental Sensitivity** Micro-electromechanical components can be sensitive to dust, moisture, or electrical interference. If used in harsh environments, additional protection (e.g., enclosures) may be necessary.

7. **Vendor Dependency** If the supplier is not well-established, there may be risks related to product consistency, warranty coverage, or long-term availability.

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The **MST 8063801 Pressure Alarm (30-300 E Switch)** is a highly specialized component best suited for applications requiring **extremely precise pressure monitoring** in controlled environments, such as medical gas delivery systems, laboratory instrumentation, or high-precision industrial processes. Its strengths lie in **accuracy, adjustability, and integration potential**, but its **narrow range, potential cost, and technical requirements** make it less ideal for general-purpose or high-volume applications.

If your use case demands **micro-electromechanical precision** and you can justify the cost and maintenance, this switch is a strong choice. However, if you need **broader pressure ranges, cost efficiency, or ease of use**, a standard pressure switch or a different sensor type may be more appropriate.

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- You require **extremely sensitive pressure monitoring** (30-300 E).

- Your application is **medical, laboratory-based, or industrial with strict precision requirements**.

- You have **technical expertise** to install, calibrate, and maintain the device.

- The **cost is justified** by the benefits of high accuracy in your specific use case.

- You need **wider pressure ranges** (e.g., 0-1000 E or higher).

- The **budget is constrained**, and a standard switch would suffice.

- You lack **technical support or calibration resources** for micro-electromechanical components.

- The environment is **harsh (dusty, humid, or electrically noisy)**, requiring additional protection.

- If the range is too restrictive, look for **adjustable pressure switches with broader scales**.

- If cost is a concern, explore **generic micro-switches or digital pressure sensors** with similar functionality.

- Verify the **manufacturer s reputation** and **warranty terms** before purchasing to ensure long-term reliability.

Before finalizing the purchase, consult with a **technical specialist** or **application engineer** to confirm compatibility with your specific system.

Details:

Please review all photos carefully and message with any questions prior to purchase. This alarm unit is designed to notify the operator when pressure drops below selected set point. It shows normal cosmetic wear from prior use, handling, and storage, including light scuffs surface marks. The labeling is still present and legible, the pressure switch markings are readable.

If a part is found to be defective, I will cover return shipping and make sure you are taken care of. ITEM DETAILS: Main Assembly Marking: 8063801 Low Pressure Alarm Type: pressure alarm / warning assembly Pressure Switch Brand: United Electric Controls Pressure Range: 30 to 300 PSI 2.1 20.7 bar Proof Pressure: 200 above set point, max 600 13.8 bar 4.1 Materials: Aluminum, Buns Electrical Rating: 15A 480VACMade in: USA Indicators: Red low lamp, green normal lamp Controls: On/off toggle switch, audible opening on top cover. Message me for any questions. INCLUDED: MST / 8063801 low pressure alarm assembly Integrated United Electric Controls switch Fitting attached as shown Only the items shown in photos are included.

The 8063801 alarm is described by supplier references as a low pressure warning system that allows the user to pre-select an point between 30 and 300 PSI, with factory preset often set 100 PSI unless changed. Please review all photos carefully for cosmetic condition and included contents. WARRANTY: Backed by a 90-Day Functional Warranty. Condition: This unit is in used condition.

part #: 8063801 price

• $224.99

specifications pressureswitchiz:

• brand: Mst
• mpn: 8063801
• part type: Pressure Switch Alarm
• country of origin: United States

shipping pressureswitchiz:

• cost: $0.00
• service: USPS Ground Advantage
• type: Fixed
• class: Standard
• carrier: USPS
• transit: 5-11 Days

payments pressureswitchiz:

• other
• credit card: Diners-club
• wallet: Google-pay

offer pressureswitchiz:

• sold: 0
• started: April 26, 2026
• options: Ship-to-home
• quantity: 1
• availability: In Stock

seller pressureswitchiz:

• rating: 99.6%
• city: West Newbury, Massachusetts
• # reviews: 2972

general pressureswitchiz:

• Business Industrial > Hydraulics, Pneumatics, Pumps Plumbing > Air Pressure Gauges
• condition: Used

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• policy: No Returns