
J120-492 Comparison
| photo | price | summary | rating |
|---|---|---|---|
![]() | $129.99 | Condition is New – Open box, UNITED ELECTRIC J120-492 M550 SWITCH, shipping cost = $21.55 | 99.7% |

The United Electric J120-492 UE120 Explosion-Pressure Switch is a versatile and reliable electrical switching solution for hazardous locations. This explosion-proof switch, designed in accordance with UL 1203 and UL 1699 standards, is specifically engineered to provide safe and efficient power control in environments where the risk of ignition is high.
The J120-492 is a 15-300 psi pressure switch, suitable for use in various industrial applications where pressure fluctuations may occur. The switch is designed to be intrinsically safe, ensuring that no spark is generated during normal operation, making it an ideal choice for potentially explosive atmospheres.
The switch housing is constructed of cast aluminum alloy, which provides excellent resistance to corrosion and impact. The switch contacts are made of silver-plated copper alloy, ensuring long-lasting performance and reliable electrical conductivity. The switch is available in various configurations, including normally open (NO), normally closed (NC), and changeover (CO) contacts, allowing for flexibility in various applications.
The J120-492 is equipped with a large, easy-to-read dial indicator that clearly displays the switch position and pressure setting. The switch also features a quick-disconnect design for easy maintenance, reducing downtime and increasing productivity.
The switch is designed to operate in temperatures ranging from -40 F to 257 F (-40 C to 125 C), making it suitable for use in a wide range of industrial applications. The switch is also sealed to IP66 standards, providing protection against water, dust, and other debris, ensuring reliable operation even in harsh environments.
The UE120 Explosion-Pressure Switch is a high-quality, dependable solution for power control in hazardous locations. Its explosion-proof design, rugged construction, and versatile configurations make it an essential component for various industrial applications where safety and reliability are paramount.
The United Electric J120-492 UE 120 is a 15-300 psig explosion-proof motor designed for use in hazardous locations. Here are some pros and cons of buying this motor:
Pros:1. Explosion-proof design: The motor is certified for use in Class I, Division 1 and 2, and Class II, Division 1 and 2 hazardous locations, making it suitable for use in industries such as oil and gas, chemical processing, and mining.
2. High power density: The J120-492 UE 120 motor offers a high power output of 40 horsepower per frame size, making it an efficient choice for applications that require significant power.
3. Robust construction: The motor features a cast iron frame, copper rotor bars, and a stainless steel shaft, making it well-suited for demanding operating conditions.
4. Easy maintenance: The motor's design allows for easy access to internal components, making maintenance and repairs more straightforward.
5. Versatile mounting options: The motor can be mounted in a variety of configurations, including horizontal, vertical, and right-angle, providing flexibility for different installation scenarios.
Cons:1. Higher upfront cost: Explosion-proof motors typically cost more than standard motors due to their specialized design and materials. The J120-492 UE 120 is no exception, with a higher upfront cost compared to standard motors.
2. Limited voltage options: The motor is available in a limited range of voltage options, which may not be suitable for all applications.
3. Complex wiring requirements: Due to the explosion-proof design, wiring the motor can be more complex than wiring a standard motor.
Conclusion:The United Electric J120-492 UE 120 motor is a high-performance, explosion-proof motor that is well-suited for use in hazardous locations. Its high power density, robust construction, and ease of maintenance make it an attractive option for industries such as oil and gas, chemical processing, and mining. However, its higher upfront cost and limited voltage options may be a consideration for some buyers. Ultimately, the decision to purchase the J120-492 UE 120 motor will depend on the specific requirements of your application and your budget.
Recommendation:If you require an explosion-proof motor for use in a hazardous location and have the budget for it, the United Electric J120-492 UE 120 motor is a strong contender for your consideration. Its high power density, robust construction, and easy maintenance make it an efficient and reliable choice for demanding applications. However, if your application does not require explosion-proof certification or if your budget is limited, a standard motor may be a more cost-effective option. It is recommended to consult with a qualified engineer or electrician to determine the best motor for your specific application.
Details:
With its reliable performance and durable construction, the ue 120 series pressure switch provides a safe efficient solution for controlling in demanding environments. This item is new-old inventory. This product is specifically engineered to withstand explosive conditions, making it suitable for high-pressure applications in various industries. Please see all photos I have included with close ups of specific information on this pressure control.
This item does not have a warranty and is being sold as. The ue 120 series explosion proof pressure controls model J120-492 is a pressure switch designed for industrial use, with range of 15-300 psi. Included is the installation and maintenance instructions.
specifications indusswitch:
- brand: United Electric Controls Company
- mpn: J120-492
- type: Explosion Proof Pressure Controls
offer indusswitch:
- sold #: 14
- started: october 12, 2025
- in stock #: 1
- price: $129.99
- item condition: New – Open box
- options: ship-to-home
- availability: in stock
payments indusswitch:
- credit card: mastercard
- other
- wallet: paypal
shipping indusswitch:
- carrier: usps
- class: standard
- transit: 5-11 days
- service: usps ground advantage
- type: fixed
returns indusswitch:
- policy: no returns
seller indusswitch:
- # reviews: 25
- rating: 0.0%
- city: reedsville, ohio
general indusswitch:
- category: Business & Industrial > Electrical Equipment Supplies > Pressure Switches
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