UNITED ELECTRIC H400K-457 Differential Pressure Switch 680376

( Brand: United Electric ), ( Model: H400K-457 ), ( Part Type: Pressure Switch ), ( Unit Type: Unit ), ( Manufacturer Part Number: H400K-457 680376 ), ( Country/region Of Manufacture: United States )

Review UNITED ELECTRIC H400k-457#680376 Differential Pressure Switch

The United Electric H400K-457 680376 differential pressure switch is a versatile and reliable instrument designed for measuring and monitoring the pressure difference between two points in various industrial applications. This switch, manufactured by United Electric, is built with utmost precision to ensure accurate and consistent performance.

The H400K-457 model is a differential pressure switch that operates on a diaphragm principle. The switch housing is made of brass, providing durability and resistance to harsh environments. The diaphragm is constructed of stainless steel, ensuring long-lasting performance even in corrosive applications. The sensing element is filled with an inert gas to prevent condensation and ensure stability.

This switch comes with a switching capacity of 5 amps at 120V AC or 10 amps at 24V DC. The switch contacts are rated for 105 C and are available in both normally open (NO) and normally closed (NC) configurations. The switch has a differential pressure range of 0-20 psi (0-138 kPa) with an accuracy of 2% of full scale.

The H400K-457 680376 differential pressure switch is designed to operate in temperatures ranging from -20 C to 70 C (-4 F to 158 F). The switch can be mounted horizontally or vertically, making it adaptable to various installation configurations. The switch features a clear and easy-to-read pressure scale on the front cover, allowing for quick and easy calibration.

The switch also comes with a built-in test feature, allowing for periodic verification of its functioning. The switch is packed with a gasket and a mounting kit, making installation straightforward and hassle-free. With its high accuracy, reliability, and versatility, the United Electric H400K-457 680376 differential pressure switch is an essential tool for monitoring and controlling pressure differences in a wide range of industrial processes.

The United Electric H400K-457 680376 differential pressure switch is a device used to monitor and protect systems against excessive pressure differences. Here are some pros and cons of buying this particular model:

1. Reliable: United Electric is a well-known and reputable brand in the industrial automation industry. The H400K-457 model is known for its durability and reliability, making it a popular choice for various applications.

2. Versatile: This differential pressure switch can be used in a wide range of applications, including HVAC, water treatment, and process control systems. It is available in various pressure ranges and temperature classes to cater to different industry requirements.

3. Easy to Install: The H400K-457 model comes with easy-to-understand wiring diagrams and installation instructions. It is also compact in size, allowing for easy installation in confined spaces.

4. Accurate: The switch provides accurate pressure readings, ensuring that systems are protected against pressure fluctuations that could cause damage.

5. Cost-Effective: Compared to other differential pressure switches in the market, the H400K-457 model is relatively affordable, making it a cost-effective option for many applications.

1. Limited Customization: The H400K-457 model comes with standard pressure ranges and temperature classes. Customers who require specific pressure ranges or temperature classes may need to look for other options.

2. Manual Reset: This switch requires manual reset after tripping, which could be time-consuming and inconvenient in some applications.

3. Limited Display: The switch does not come with a built-in display, which could make it difficult to monitor pressure readings in real-time.

The United Electric H400K-457 680376 differential pressure switch is a reliable, versatile, and cost-effective option for various applications. Its ease of installation and accuracy make it a popular choice among industry professionals. However, its lack of customization options, manual reset, and limited display may be drawbacks for some users.

If you are in the market for a differential pressure switch and are looking for a reliable and cost-effective option, the United Electric H400K-457 680376 model is worth considering. However, if you require specific pressure ranges or temperature classes, or if you need a switch with a built-in display or automatic reset, you may need to explore other options. Overall, it is essential to consider the specific requirements of your application when selecting a differential pressure switch.

Details:

This listing is for a UNITED ELECTRIC Differential Pressure Switch # H400K-457. Nothing else is included, only what seen in the pictures. Box shows some shelf wear and has writing on it, as shown in photos. Item is new in box.

Measurement tools not included with this listing only used to show dimensions of the item. Comes as shown in the pictures. Photos taken on a 1 cm grid.

part #: h400k457 prices

• $149.99-$699.99

specifications aerationaura:

• brand: United Electric
• model#: H400K-457
• part type: Pressure Switch
• unit type: Unit
• manufacturer part number: H400K-457 680376
• country/region of manufacture: United States

offer aerationaura:

• availability: In Stock
• quantity: 1
• best offers: True
• sold: 0
• options: Ship-to-home
• started: June 9, 2025

seller aerationaura:

• city: Silver Spring, Maryland
• # reviews: 10824
• rating: 99.2%

payments aerationaura:

• other
• credit card: Diners-club
• wallet: Google-pay

general aerationaura:

• condition: New
• Home Improvement > Heating, Cooling Air > Other Heating, Cooling Air

returns aerationaura:

• policy: Returns Accepted
• time: 30 Days
• paid by: Buyer
• method: Money back

shipping aerationaura:

• service: USPS Ground Advantage
• transit: 2-4 Days
• carrier: USPS
• class: Standard
• type: Calculated
• cost: $19.75

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