
H100-188 Comparison
| photo | price | summary | rating |
|---|---|---|---|
![]() | $649.00 | Condition is New – Open box, H100-188 United Electric Pressure Switch, 50-1000 PSI, Opened, FREE SHIPPING | 99.5% |

The United Electric H100-188 pressure switch is a versatile and reliable solution for a wide range of applications requiring pressure monitoring within the pressure range of 50 to 1000 psi (3.4 to 68.9 bar). This pressure switch is engineered and manufactured by United Electric, a leading provider of pressure and level switches known for their robustness and accuracy.
The H100-188 pressure switch features a robust, all-welded, nickel-plated brass body that ensures durability and resistance to corrosion. It can be used in various industrial applications, including hydraulic systems, pneumatic systems, and water treatment processes, among others. The switch operates on a proven mechanical design, which offers a long service life and reliable performance even under harsh operating conditions.
This pressure switch comes with a hermetically sealed, mercury switch element that guarantees accurate pressure sensing and long-lasting operation. The mercury switch element consists of a glass bulb filled with mercury, which makes contact with a metal contact when the pressure inside the bulb reaches the desired level. The switch element is sealed under vacuum to prevent contamination and ensure reliable performance.
The H100-188 pressure switch is available in various configurations to meet different application requirements. It can be ordered with different mounting options, including flange, threaded, and clamp-on types. The switch can also be supplied with various electrical contacts, including normally open (NO), normally closed (NC), and changeover (NO-NC) contacts. Additionally, it can be ordered with various options like a pilot light, solenoid coil, or adjustable spring force to cater to specific application needs.
The United Electric H100-188 pressure switch comes with a NEMA 4X (IP66) rating, making it suitable for use in harsh environments. It can be operated in temperatures ranging from -40 F to 257 F (-40 C to 125 C), making it a reliable choice for a wide range of applications. The switch also features a convenient test port, which allows for easy field testing and verification of switch operation.
Overall, the United Electric H100-188 pressure switch is an excellent choice for applications requiring accurate and reliable pressure monitoring within the 50 to 1000 psi (3.4 to 68.9 bar) range. Its rugged construction, long-lasting design, and versatile configuration options make it an ideal solution for various industrial applications.
The United Electric H100-188 pressure switch is a commonly used pneumatic pressure switch in various industries for controlling compressed air applications. Below are some pros and cons of buying this pressure switch to help you make an informed decision:
Pros:1. Versatile: This pressure switch can handle a wide range of operating pressures from 50 to 1000 psi, making it suitable for various industrial applications.
2. Durable: The H100-188 pressure switch is built with high-quality materials, ensuring long-lasting performance in harsh environments.
3. Easy to Install: This switch features a compact design and a simple wiring diagram, making it easy to install and integrate into your system.
4. Reliable: United Electric's H100-188 pressure switch is known for its reliability and accuracy, ensuring consistent performance over time.
5. Cost-Effective: This pressure switch offers an affordable solution for controlling compressed air applications, making it a cost-effective option for many industries.
Cons:1. Limited Configurability: This pressure switch comes with a standard configuration, and customizable options may require additional costs and lead time.
2. Manual Reset: The H100-188 pressure switch requires manual reset after tripping, which can be time-consuming in some applications.
3. Not Suitable for High-Temperature Applications: This pressure switch is not recommended for applications above 250 F (121 C).
4. Limited Size Range: The H100-188 pressure switch is available in a limited range of sizes, which may not be suitable for all applications.
In conclusion, the United Electric H100-188 pressure switch offers a reliable, cost-effective, and durable solution for controlling compressed air applications with a wide range of operating pressures. However, it may not be suitable for high-temperature applications or those requiring customizable options, and its manual reset feature may be a disadvantage in certain situations.
Based on the above analysis, I would recommend the United Electric H100-188 pressure switch for applications where a reliable, cost-effective, and versatile pressure switch is required, and the limitations of the switch do not pose a significant issue. If customizable options or high-temperature capabilities are necessary, it may be worth considering other pressure switch models from United Electric or other manufacturers.
Details:
This item may have been in storage for some time; it dust or marks on the box. For example, programmable logic controllers plc's, distributed control systems DC's's, human machine interface him's, variable speed drives BSD's, power supplies, pressure transmitters and everything in between.: condition: this is a surplus unused part. Operating range: 50-1000 psi / 3.4-68.9 bar.
H100-188 United Electric pressure switch, 50-1000 psi. Over range: 2000 psi. Shipping: shipping cost. Shipping is quoted as part of the sale.
Headband: 10-125 psi.
specifications indusswitch:
- brand: United Electric
- mpn: H100-188
- type: Pressure Switches
general indusswitch:
- category: Business & Industrial > Electrical Equipment Supplies > Pressure Switches
shipping indusswitch:
- type: fixed
- class: standard
- service: standard
- transit: 4-10 days
offer indusswitch:
- sold #: 11
- best offers: true
- price: $649.00
- item condition: New – Open box
- started: january 19, 2026
- in stock #: 1
- availability: in stock
- options: ship-to-home
returns indusswitch:
- time: 60 days
- method: money back
- paid by: seller
- policy: returns accepted
payments indusswitch:
- other
- credit card: diners-club
- wallet: google-pay
seller indusswitch:
- # reviews: 780
- city: denver, colorado
- rating: 97.3%
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