
CX-42 Comparison
| photo | price | summary | rating |
|---|---|---|---|
![]() | $32.50 | Condition is New, Dwyer CX-42 Pressure Switch, Compressor, 35 psi, 150 psi, 2 x SPST-NC, FREE SHIPPING | 95.9% |

The Dwyer CX-42 Pressure Switch is a reliable and versatile pneumatic component designed for use with compressors. This switch, modeled as a SPST-NC (Single Pole, Single Throw, Normally Closed), is an essential accessory for controlling the operation of compressors based on the pressure level in their tanks.
The CX-42 Pressure Switch is engineered with a rugged and durable construction, making it suitable for use in various industrial applications. It features a brass body, which provides excellent resistance to corrosion and wear, ensuring long-lasting performance. The switch also comes with a stainless steel diaphragm that is resilient against the effects of oil and moisture, enhancing its ability to handle harsh operating conditions.
This pressure switch operates on a spring-loaded design, which allows it to automatically switch on or off as the compressor tank pressure reaches the desired levels. The switch has adjustable pressure settings, ranging from a minimum of 35 psi to a maximum of 150 psi. This flexibility enables users to customize the switch to meet the specific requirements of their compressor systems.
The Dwyer CX-42 Pressure Switch is easy to install and maintain. It comes with a NPT inlet and outlet threading, making it compatible with standard compressor fittings. The switch also features a clear pressure dial, which provides an easy-to-read indication of the current pressure level.
In summary, the Dwyer CX-42 Pressure Switch is a robust and dependable component designed for controlling compressor operations based on tank pressure. Its adjustable pressure settings, durable construction, and ease of installation make it an ideal choice for various industrial applications.
A Detailed Analysis of the Dwyer CX-42 Pressure Switch Compressor (35-150 SPST-NC)
Introduction:The Dwyer CX-42 pressure switch compressor is a popular choice for various industrial applications due to its reliability and cost-effectiveness. This analysis aims to provide an in-depth examination of the features, benefits, and potential drawbacks of this compressor model to help potential buyers make an informed decision.
Features and Benefits:1. Versatile: The Dwyer CX-42 is suitable for various industrial applications, including air tools, pneumatic conveying systems, and spray painting equipment.
2. Easy Installation: The SPST-NC (Single Pole, Single Throw, Normally Closed) pressure switch design makes installation a breeze.
3. Durable: The compressor is constructed with heavy-duty materials, ensuring long-lasting performance.
4. Energy Efficient: The CX-42 features a motor that is energy efficient, reducing operational costs.
5. Adjustable Pressure: The pressure switch allows users to easily set and adjust the pressure to meet their specific requirements.
Potential Drawbacks:1. Limited Capacity: With a maximum flow rate of 35 CFM at 100 psi, this compressor may not be suitable for heavy-duty applications that require a higher capacity.
2. Noise Level: The compressor can generate a significant amount of noise, which may be a concern for some users, particularly those operating in quiet environments.
3. Maintenance: Regular maintenance, such as oil changes and filter replacements, is required to ensure optimal performance and longevity.
Conclusion:The Dwyer CX-42 pressure switch compressor is an excellent choice for users who require a reliable and cost-effective compressor for various industrial applications. Its easy installation, durability, energy efficiency, adjustable pressure, and versatility make it a popular choice. However, potential buyers should consider the compressor's limited capacity and noise level before making a purchase.
Recommendation:If the limited capacity and noise level are not major concerns, the Dwyer CX-42 pressure switch compressor is an excellent investment for users seeking a dependable and cost-effective compressor for their industrial applications.
Details:
The cx series switch comes with an unloaded valve, which prevents compressors from starting under load. Headband 30-40 pig 2.1-2.8 bar. The set point and headband are both easily adjustable via screw terminals inside the cover. It also come with an auto/off disconnect lever for manually cutting off the load.
Switch can be installed in any position and internal screws set point adjustment. It is designed with a 20a normally closed spst switch for direct control of pumps and motors. Screw terminal electrical connections. CX-42 is a series cx compressor pressure switch.
When the lever is in off position, there a test button inside housing that can be pushed to turn on load. 4 port, range of 35-150psig 2.4-10.3 bar.
specifications indusswitch:
- brand: Dwyer
- mpn: Cx-42
- type: Differential Switch
- unit type: Unit
- country/region of manufacture: United States
- orientation: Horizontal/vertical
shipping indusswitch:
- service: standard
- type: fixed
- transit: 5-11 days
- class: standard
seller indusswitch:
- rating: 95.8%
- # reviews: 8391
- city: carol stream, illinois
offer indusswitch:
- availability: in stock
- options: ship-to-home
- sold #: 16
- price: $32.50
- item condition: New
- started: may 30, 2025
- best offers: true
returns indusswitch:
- paid by: buyer
- policy: returns accepted
- method: money back
- time: 30 days
payments indusswitch:
- other
- credit card: mastercard
- wallet: google-pay
general indusswitch:
- category: Business & Industrial > Electrical Equipment Supplies > Pressure Switches
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