
12NN-K4-S1-B1A Comparison
| photo | price | summary | rating |
|---|---|---|---|
![]() | $50.00 | Condition is Used, SOR STATIC-O-RING PRESSURE SWITCH 12NN-K4-S1-B1A-TT 0.5-6PSI, shipping cost = $13.00 | 99.7% |
![]() | $75.00 | Top Pick! Condition is Used, SOR 12NN-K4-S1-B1A-TT STATIC-O-RING PRESSURE SWITCH 1/4IN 0.5-6PSI, shipping cost = $13.00 | 99.7% |
![]() | $75.00 | Top Pick! Condition is Used, SOR 12NN-K4-S1-B1A-TT STATIC-O-RING PRESSURE SWITCH 1/4IN 0.5-6PSI, shipping cost = $13.00 | 99.7% |
![]() | $75.00 | Condition is Used, SOR 12NN-K4-S1-B1A-TT STATIC-O-RING PRESSURE SWITCH 1/4IN 0.5-6PSI, shipping cost = $13.00 | 99.7% |
![]() | $150.00 | Condition is Used, SOR STATIC O RING 12NN-K4-S1-B1A PRESSURE SWITCH 200 PSI .5-6.0 PST, FREE SHIPPING | 99.5% |
![]() | $175.00 | Condition is Used, SOR DIFFERENTIAL PRESSURE SWITCH 12NN-K4-S1-B1A-PP, shipping cost = $13.00 | 99.7% |
![]() | $200.00 | Top Pick! Condition is Used, SOR CONTROL PRESSURE SWITCH 12NN-K4-S1-B1A-TT 5-6 PSI ADJUSTABLE 200 PSI OVER, shipping cost = $13.00 | 99.7% |
![]() | $200.00 | Condition is Used, SOR CONTROL DEVICES DIFFERENTIAL PRESSURE SWITCH 12NN-K4-S1-B1A-PP, shipping cost = $13.00 | 99.7% |

The SOR 12NN-K4-S1-B1A ring pressure switch is a versatile and reliable industrial component designed for use in various applications where monitoring and controlling fluid pressure is essential. This switch, manufactured by SOR Automation, is suitable for fluid pressures ranging from 200 to 5-6 bar (2,900 to 810 psi).
The SOR 12NN-K4-S1-B1A is a pneumatically operated switch, which means it uses compressed air or other gases to activate its internal mechanism. The housing of this switch is made from die-cast aluminum, ensuring durability and resistance to harsh environmental conditions. It features a compact design, making it easy to install in tight spaces.
The switch operates using a ring-type diaphragm that senses changes in fluid pressure. When the fluid pressure reaches the set point, the diaphragm deflects, which in turn activates the switch contacts. The switch offers adjustable set points, allowing users to customize the pressure threshold to suit their specific application requirements.
The SOR 12NN-K4-S1-B1A ring pressure switch is designed to provide reliable and accurate pressure monitoring with a fast response time. It features a fail-safe design that ensures the switch returns to its normal position when the pressure falls below the set point. This switch also comes with a number of accessories, including various types of mounting kits, to facilitate installation in different applications.
In summary, the SOR 12NN-K4-S1-B1A ring pressure switch is a high-quality, durable, and versatile component suitable for monitoring and controlling fluid pressure in various industrial applications. Its pneumatic operation, adjustable set points, and fail-safe design make it a reliable and accurate choice for a wide range of pressure monitoring needs.
The SOR 12NN-K4-S1-B1A ring pressure switch is a pneumatic device used to control compressed air systems based on the pressure in the system. Here are some pros and cons of buying this specific model:
Pros:1. Reliable: This pressure switch is known for its durability and reliability in various industrial applications.
2. Versatile: It can be used in a wide range of pneumatic systems, from air compressors to hydraulic systems, making it a versatile option.
3. Accurate: The switch is designed to provide precise pressure readings, which is essential for effective system control.
4. Easy to Install: The switch comes with clear instructions and can be easily installed in most compressed air systems.
5. Cost-Effective: Compared to other pressure switches in the market, this model is relatively affordable.
Cons:1. Limited Pressure Range: This switch is designed for a pressure range of 200-5-6.0 psi, which may not be suitable for all applications.
2. Manual Reset: The switch requires manual reset after tripping, which can be time-consuming and inconvenient in some applications.
3. Limited Customization: The switch does not offer extensive customization options, which may be a drawback for some users.
In conclusion, the SOR 12NN-K4-S1-B1A ring pressure switch is a reliable and cost-effective option for controlling compressed air systems with a pressure range of 200-5-6.0 psi. Its accuracy and ease of installation make it a popular choice in various industries. However, its limited pressure range and manual reset feature may be a disadvantage for some users. If the pressure range and customization options meet your requirements, then this switch is an excellent choice. Otherwise, you may want to consider other models with a wider pressure range and automatic reset features.
Details:
Sor static o ring 12NN-K4-S1-B1A pressure switch 200 psi .5-6.0 pst, free shipping.
specifications indusswitch:
- brand: Sor
- mpn: 12nn-k4-s1-b1a
- part type: Pressure Ring Switch
payments indusswitch:
- other
- wallet: apple-pay
- credit card: discover
offer indusswitch:
- started: november 25, 2025
- availability: in stock
- best offers: true
- in stock #: 5
- sold #: 19
- options: ship-to-home
- prices: $50.00–$200.00
- item condition: Used
shipping indusswitch:
- carrier: usps, fedex, ups
- type: calculated
- transit: 6-11 days
- class: standard, expedited, one-day
- service: usps ground advantage, usps priority mail express, fedex standard overnight, ups next day air
general indusswitch:
- category: Business & Industrial > Electrical Equipment Supplies > Pressure Switches
seller indusswitch:
- # reviews: 1103
- rating: 99.5%
- city: tampa, florida
returns indusswitch:
- policy: returns accepted
- paid by: seller
- method: money back
- time: 30 days
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