
3L01-120 Comparison
| photo | price | summary | rating |
|---|---|---|---|
![]() | $25.44 | Condition is New, Emerson Climate Tech - White-Rodgers 3L01-120 Snap Disc Limit Control 120/240V, FREE SHIPPING | ![]() |
![]() | $14.60 | Condition is New, EMERSON 3L01-120 / 3L01120 (BRAND NEW), shipping cost = $12.90 | 99.7% |
![]() | $103.45 | Top Pick! Condition is New, 1P EMERSON 3L01 120 Quickly delivery, FREE SHIPPING | 100.0% |
![]() | $128.95 | Top Pick! Condition is New, one EMERSON 3L01 120 NEW, FREE SHIPPING | 100.0% |
![]() | $129.31 | Top Pick! Condition is New, 1PCS EMERSON 3L01 120 NEW, FREE SHIPPING | 99.1% |
![]() | $97.00 | Condition is New, one EMERSON 3L01 120, shipping cost = $43.65 | 100.0% |
![]() | $131.33 | Condition is New, 1PS EMERSON 3L01 120 NEW, shipping cost = $48.89 | 100.0% |
| photo | price | summary | rating |
|---|---|---|---|
![]() | $154.24 | Condition is Used, 1P EMERSON 3L01 120 Accept counteroffer, FREE SHIPPING | 99.1% |
![]() | $154.91 | Condition is Used, 1PCS EMERSON 3L01 120, FREE SHIPPING | 100.0% |

The Emerson 3L01-120 3L01 120 Snap Disc Limit Control is an essential component in various industrial process control applications. This device is specifically designed to protect motors and machinery from overload or overtravel, ensuring smooth and efficient operation.
The 3L01 120 Snap Disc Limit Control features a simple yet robust design. It is constructed using high-quality materials that can withstand the rigors of industrial environments. The control body is made of cast aluminum, while the limit disc is made of hardened steel. This combination not only ensures durability but also provides excellent heat dissipation properties.
The 3L01 120 Snap Disc Limit Control operates on a snap-action principle. It utilizes a limit disc that engages with a cam, causing the control to actuate when the disc comes into contact with the cam. This mechanism provides positive and reliable control action, ensuring that the process is stopped precisely at the desired position.
This limit control is available in various sizes and configurations to accommodate different applications. The 120 in the model number refers to the maximum torque capacity of the control, which is 120 Nm. It also features a 1/2 inch NPT threaded connection for easy installation and integration into various process systems.
The Emerson 3L01-120 3L01 120 Snap Disc Limit Control is suitable for use in a wide range of industries, including oil and gas, power generation, water and wastewater treatment, and chemical processing. Its rugged construction, reliable operation, and easy installation make it a popular choice among engineers and maintenance personnel.
In summary, the Emerson 3L01-120 3L01 120 Snap Disc Limit Control is a versatile and reliable solution for limiting the travel or overload of motors and machinery in industrial processes. Its simple yet robust design, combined with its high torque capacity and easy installation, makes it an essential component for ensuring safe and efficient operation in various industries.
Pros and Cons of Buying Emerson 3L01-120 3L01-120 Snap Disc Limit Control
The Emerson 3L01-120 3L01-120 Snap Disc Limit Control is a popular choice for various industrial applications due to its durability and efficiency. However, like any other industrial component, it comes with its advantages and disadvantages. In this analysis, we will discuss the key pros and cons of investing in this limit control.
Pros:1. Reliability: Emerson's snap disc limit control is known for its reliability and robustness. It is designed to withstand harsh environments and demanding applications, ensuring consistent performance over extended periods.
2. Easy Installation: These limit controls feature a snap-action design, making installation quick and straightforward. The snap-disc design allows for easy adjustments, saving time and resources.
3. Versatility: The Emerson 3L01-120 limit control is suitable for various applications across industries, including oil and gas, power generation, and water treatment. It can handle a wide range of temperatures and pressures, ensuring versatility in use.
4. Accuracy: The snap disc limit control provides accurate position sensing, ensuring precise control over your industrial processes. This leads to improved efficiency and reduced downtime.
Cons:1. Limited Capacity: The Emerson 3L01-120 limit control is not suitable for high-capacity applications. Its maximum capacity is relatively low compared to other limit control options in the market.
2. Limited Communication Options: This limit control does not come with advanced communication capabilities. It may not integrate easily with modern industrial automation systems, requiring additional investment in communication interfaces.
3. Limited Customization: The snap disc limit control's design is standardized, limiting the degree of customization available. If your application requires specific features or customization, you may need to consider alternative solutions.
Conclusion:The Emerson 3L01-120 3L01-120 Snap Disc Limit Control is an excellent choice for applications that require a reliable, versatile, and easy-to-install limit control. Its robust design, quick installation, and accurate position sensing make it a popular choice in various industries. However, it may not be suitable for high-capacity applications or those requiring advanced communication capabilities or customization.
Recommendation:If you're looking for a reliable and versatile limit control for your industrial application, the Emerson 3L01-120 snap disc limit control is an excellent choice. Its ease of installation, accuracy, and robustness make it a valuable investment. However, if you require high capacity, advanced communication capabilities, or customization, you may need to consider alternative solutions. Always evaluate your specific application requirements before making a purchasing decision.
Details:
Voltage : 120 volts . Manufacturer: white-Rodgers. Back light: no. Power source: hardwired.
Model name: 3L01-120. Temperature control type: heating. Special feature: open-on-rise control. Batteries included?: no.
Connectivity protocol: wired. Shape: round. This is an open-on-rise control, and features psst mounting. Controller type: push button.
Special features: open-on-rise control. Control method: touch. Brand name: Emerson. Connectivity technology: wired.
Display type: digital. Included components: snap disc control, tab-to-screw terminal adapters. Batteries required ?: no.
Emerson 3l01 120 snap disc limit control: brand. Mounting type: surface mount.
specifications indusswitch:
- brand: Emerson
- mpn: 3l01-120
- part type: Disc Control
- upc: 786710001857
- gtin: 00786710001857
returns indusswitch:
- time: 30 days
- paid by: buyer
- method: money back
- policy: returns accepted
payments indusswitch:
- other
- credit card: diners-club
- wallet: paypal
offer indusswitch:
- sold #: 16
- prices: $14.60–$154.91
- item condition:
- New
- Used
- availability: in stock
- started: august 24, 2025
- in stock #: 5
- options: ship-to-home
general indusswitch:
- category: Business & Industrial > Electrical Equipment Supplies > Limit Snap Action Switches
shipping indusswitch:
- type: fixed
- service: expedited
- class: expedited
- transit: 5-10 days
seller indusswitch:
- # reviews: 246
- city: san bernardino,ca
- rating: 98.7%








