
1950G-1-B-120-NA Comparison
| photo | price | summary | rating |
|---|---|---|---|
![]() | $127.50 | Condition is New, NEW DWYER 1950G-1-B-120-NA EXPLOSION PROOF PRESSURE SWITCH, FREE SHIPPING | 100.0% |
![]() | $199.99 | Condition is New, Dwyer 1950G-1-B-120-NA Explosion Proof Differential Pressure Switch Supply 120V, FREE SHIPPING | ![]() |
![]() | $478.80 | Condition is New, Dwyer 1950G-1-B-120-NA Explosion Proof Pressure Switch, FREE SHIPPING | ![]() |
![]() | $574.60 | Condition is New, DWYER 1950G-1-B-120-NA / 1950G1B120NA (BRAND NEW), shipping cost = $12.90 | 97.9% |
| photo | price | summary | rating |
|---|---|---|---|
![]() | $57.75 | Top Pick! Condition is New – Open box, Dwyer 1950G-0-B-120-NA Explosion-Proof Differential Switch, FREE SHIPPING | 99.8% |
![]() | $59.00 | Condition is New – Open box, Dwyer Instruments 1950G-1-B-120-NA Explosion Proof Pressure Switch, FREE SHIPPING | 100.0% |
![]() | $427.80 | Condition is New – Open box, Dwyer 1950G-1-B-120-NA Pressure Switch 125v-dc 120/240v-ac 45in-h2o, FREE SHIPPING | ![]() |
![]() | $425.00 | Top Pick! Condition is New – Open box, NEW DWYER 1950G-1-B-120-NA DIFFERENTIAL PRESSURE SWITCH 1950G1B120NA, shipping cost = $17.56 | ![]() |
![]() | $476.00 | Condition is New – Open box, DWYER 1950G-1-B-120-NA NSMP, FREE SHIPPING | 99.9% |
| photo | price | summary | rating |
|---|---|---|---|
![]() | $265.00 | Top Pick! Condition is Used, Dwyer Explosion-Proof Differential Switch, 1950G-1-B-120-NA, shipping cost = $14.92 | 100.0% |

The Dwyer Model 1950G-1-B-120-NA pressure switch is a versatile and reliable instrument designed for measuring and monitoring fluid pressure in various industrial applications. This pressure switch, manufactured by Dwyer Instruments, is built with precision and durability to ensure accurate and consistent pressure readings over an extended period.
The 1950G-1-B-120-NA is a pneumatic pressure switch, which means it operates using compressed air or other gases. It is available in a standard temperature range, making it suitable for a wide range of industrial environments. The switch features a 1/4 NPT threaded connection, allowing for easy installation and integration into various systems.
This pressure switch operates on a fail-safe design, which means that when the pressure reaches the set point, the switch will activate and signal an output, typically a solenoid or an alarm. The switch has a adjustable set point range of 0-120 PSIG (Pounds per Square Inch, Gauge), providing flexibility to accommodate different process conditions.
The 1950G-1-B-120-NA is constructed with high-quality materials, including a brass body and stainless steel diaphragm, ensuring resistance to corrosion and wear. The switch also has an integrated pressure relief valve, which helps to prevent damage to the switch from overpressure situations.
The switch's operating temperature range is between -40 F to 257 F (-40 C to 125 C), making it suitable for use in cold and hot environments. It also features a rugged design, which allows it to withstand the rigors of industrial applications, including vibration and shock.
In summary, the Dwyer Model 1950G-1-B-120-NA pressure switch is a durable and versatile instrument designed for measuring and monitoring fluid pressure in industrial applications. Its fail-safe design, adjustable set point range, and rugged construction make it a reliable and consistent choice for a wide range of processes.
The Dwyer Model 1950G-1-B-120-NA pressure switch is a pneumatic device designed to activate or deactivate an application based on the pressure conditions in a system. Here are some pros and cons that might help in your decision-making process:
Pros:1. Versatile: This pressure switch can be used with various applications and industries due to its wide operating pressure range (0-120 PSIG or 0-8.3 bar).
2. Rugged Construction: The switch body is made of brass, which provides durability and resistance to corrosion.
3. Easy Installation: The switch features a quick-disconnect electrical connector and a union-style inlet for easy installation and maintenance.
4. Accurate: The pressure switch provides reliable and accurate pressure switching, which ensures consistent performance in your system.
5. Cost-effective: Compared to other pressure switches in the market, the Dwyer Model 1950G-1-B-120-NA is relatively affordable.
Cons:1. Manual Reset: The pressure switch requires manual reset after actuation, which might be an inconvenience in applications where frequent actuation is required.
2. Limited Options: The switch comes in a standard configuration and may not offer customizable options for specific applications.
3. Not Suitable for High Temperatures: The switch is not recommended for use in applications with temperatures exceeding 140 F (60 C).
In conclusion, the Dwyer Model 1950G-1-B-120-NA pressure switch is a reliable and cost-effective solution for various applications that require pressure switching within its operating range. Its rugged construction, easy installation, and accurate performance make it a valuable addition to your industrial system. However, its manual reset feature and limited customization options might be a drawback for some users.
Recommendation:If you are looking for a cost-effective, reliable, and versatile pressure switch for applications within its operating range, the Dwyer Model 1950G-1-B-120-NA is a good choice. However, if you require frequent actuation or customizable options, you may want to consider other pressure switches that offer automatic reset or more extensive customization.
Details:
Dwyer 1950G-1-B-120-NA pressure switch.
specifications indusswitch:
- brand: Dwyer
- mpn: 1950g-1-b-120-na
- part type: Pressure Switch
- fuse type: Switch
general indusswitch:
- category: Business & Industrial > Electrical Equipment Supplies > Pressure Switches
returns indusswitch:
- policy: returns accepted
- time: 30 days
- method: money back
- paid by: buyer
payments indusswitch:
- other
- wallet: apple-pay
- credit card: discover
shipping indusswitch:
- class: standard, expedited, one-day
- type: calculated
- transit: 4-9 days
- carrier: usps, ups
- service: usps ground advantage, usps priority mail, usps priority mail express, ups next day air
seller indusswitch:
- city: horsham, pennsylvania
- # reviews: 214
- rating: 99.5%
offer indusswitch:
- options: ship-to-home
- availability: in stock
- started: may 8, 2025
- sold #: 28
- best offers: true
- in stock #: 5
- prices: $127.50–$574.60
- item condition:
- New
- New – Open box
- Used
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