
TJ10A21 Comparison
| photo | price | summary | rating |
|---|---|---|---|
![]() | $169.15 | Condition is New, ASCO TJ10A21 Tri-point Pressure Switch 15-400 PSI - NMP, shipping cost = $15.22 | 100.0% |
| photo | price | summary | rating |
|---|---|---|---|
![]() | $424.00 | Condition is New – Open box, ASCO TRIPOINT TJ10A21 PRESSURE SWITCH, FREE SHIPPING | 100.0% |
![]() | $1495.00 | Top Pick! Condition is New – Open box, ASCO TJ10A21 / TJ10A21 (NEW IN BOX), shipping cost = $12.90 | 99.7% |
![]() | $1540.46 | Condition is New – Open box, ASCO TJ10A21 / TJ10A21 (NEW IN BOX), shipping cost = $36.36 | 99.3% |
| photo | price | summary | rating |
|---|---|---|---|
![]() | $145.45 | Condition is Used, ASCO TJ10A21 Tri-point Pressure Switch 15-400 PSI Used, shipping cost = $33.83 | 100.0% |
![]() | $808.06 | Condition is Used, ASCO TJ10A21 / TJ10A21 (USED), shipping cost = $12.90 | 99.7% |

The ASCO TJ10A21 tri-point pressure switch is a vital component in various industrial and commercial applications where monitoring and controlling fluid pressure is crucial. This pressure switch, manufactured by ASCO, a leading provider of fluid control solutions, is designed to offer reliable, precision performance under demanding conditions.
This tri-point pressure switch features a unique design, allowing it to provide three adjustable switching points, enabling users to set high, medium, and low pressure thresholds according to their specific requirements. The pressure range for the switch is from 15 to 400 NMP (Newton-Meter Pascals), making it suitable for a broad range of applications. Cordset, thermocouple, and other available options are available for connection to the switch, ensuring compatibility with different systems.
The ASCO TJ10A21 is constructed from high-quality materials, with a durable, corrosion-resistant stainless steel body and armature, providing longevity even in harsh environments. The switch is also designed to handle pressures up to 300% of its SPID (Set Point Indicating Pressure) rating, ensuring reliable performance and safety under varying conditions.
The ASCO TJ10A21 tri-point pressure switch comes with an easy-to-read, black-on-yellow scale, allowing operators to quickly and efficiently monitor the current pressure status. It is also equipped with a resettable safety trip, providing an added layer of safety and protection against overpressure situations. The switch operates using a spring-loaded diaphragm mechanism, ensuring accurate pressure sensing and long-term stability.
Transferring and installing the TJ10A21 is made simple with its side-mounted connections for quick and easy access. The switch comes with a comprehensive accessory kit, including gaskets, mounting screws, and a pilots drain plug, ensuring a seamless installation process. Additionally, it is factory calibrated and tested, further ensuring the highest level of precision and accuracy.
In summary, the ASCO TJ10A21 tri-point pressure switch is a robust, versatile, and accurate device, ideal for a wide range of pressure monitoring and control applications. Its innovative tri-point design, reliable construction, and easy-to-use features make it an indispensable tool for industries and businesses seeking precise and efficient pressure management solutions.
The ASCO TJ10A21 Tri-Point Pressure Switch is a pneumatic device designed for use in various industrial applications to monitor and control fluid or air pressure. Every technology or equipment has its pros and cons. Here's a discussion of the key advantages and disadvantages of the ASCO TJ10A21 Tri-Point Pressure Switch, followed by an ending conclusion, and a recommendation.
Pros:1. Wide Operating Pressure Range: The ASCO TJ10A21 Tri-Point Pressure Switch can handle operating pressures from 15 to 400 psi (1 to 27.6 bar), making it a versatile solution for a range of industrial applications.
2. Durable Design: The pressure switch features a corrosion-resistant, tri-clamp body design, ensuring longevity and durability, even in harsh environments.
3. Multiple Switch Setting Options: The ASCO pressure switch offers adjustable interchangeable switch elements, allowing the user to select from a variety of switch settings based on their application requirements.
4. 3-Position Switch Functionality: The three-position switch design (normally open, normally closed, and a pressure activating position) makes it easy to control and monitor the pressure system.
5. Easily Serviceable: The switch can be serviced quickly and easily, minimizing downtime, and reducing maintenance costs.
Cons:1. Complexity: The ASCO TJ10A21 Tri-Point Pressure Switch has a more complex design compared to simpler pressure switches due to the adjustable interchangeable switch elements.
2. Higher Cost: The ASCO TJ10A21's more sophisticated design and higher number of features may result in a higher initial investment compared to other pressure switches.
Conclusion:The ASCO TJ10A21 Tri-Point Pressure Switch offers versatility, durability, and multiple adjustable switch settings catering to various industrial applications. Although its complex design and higher cost may deter some users, the benefits, such as ease of serviceability and wide operating pressure range, make it a suitable investment for businesses that require a reliable and adjustable pressure control solution.
In summary, the ASCO TJ10A21 Tri-Point Pressure Switch is an excellent choice for industrial environments that demand customization, longevity, and precise pressure control.
Details:
Nmp - new: w/ manufacturer packaging / paperwork.
specifications indusswitch:
- brand: Asco
- mpn: Tj10a21
- part type: Pressure Point Switch
shipping indusswitch:
- service: fedex ground or fedex home delivery, ups ground, fedex standard overnight, ups next day air
- carrier: fedex, ups
- transit: 3-7 days
- type: calculated
- class: standard, one-day
general indusswitch:
- category: Business & Industrial > Electrical Equipment Supplies > Pressure Switches
offer indusswitch:
- options: ship-to-home
- in stock #: 5
- prices: $145.45–$1540.46
- item condition:
- New
- New – Open box
- Used
- started: january 20, 2025
- sold #: 22
- availability: in stock
payments indusswitch:
- other
- wallet: apple-pay
- credit card: discover
seller indusswitch:
- rating: 99.7%
- # reviews: 1076
- city: marietta, georgia
returns indusswitch:
- policy: no returns
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