
ADH3721R2 Comparison
| photo | price | summary | rating |
|---|---|---|---|
![]() | $398.53 | Condition is New, Honeywell ADH3721R2, shipping cost = $8.99 | 99.9% |
| photo | price | summary | rating |
|---|---|---|---|
![]() | $76.44 | Condition is New – Open box, Honeywell ADH3721R2 Micro Switch Roller Lever, FREE SHIPPING | 99.9% |

The Honeywell Micro Switch ADH3721R2 Auxiliary Actuator is an essential component for various automation applications. This actuator is designed to work in conjunction with Honeywell micro switches, providing a reliable and efficient solution for controlling various systems.
The ADH3721R2 actuator features a roller lever design, which allows for smooth and precise operation. Its screw terminal connections simplify the installation process, making it an ideal choice for applications where quick and easy setup is necessary. The actuator is rated for a maximum operating force of 1.5 lbs (0.67 kg), making it suitable for a wide range of applications requiring light to medium-duty actuation.
The housing of this actuator is made from a durable and corrosion-resistant material, ensuring long-lasting performance even in harsh environments. It is suitable for use in temperatures ranging from -40 F to 158 F (-40 C to 70 C), making it adaptable to various temperature conditions.
The Honeywell Micro Switch ADH3721R2 Auxiliary Actuator is an excellent choice for applications where precise control and reliable operation are essential. It is widely used in industries such as HVAC, refrigeration, and process control for actuating dampers, valves, and other automation components.
This actuator is CE marked, ensuring compliance with European Union safety, health, and environmental protection legislation. It is also RoHS compliant, meaning it contains no lead, cadmium, mercury, hexavalent chromium, polybrominated biphenyls (PBB), or polybrominated diphenyl ethers (PBDE) in concentrations exceeding the maximum allowed limits.
In conclusion, the Honeywell Micro Switch ADH3721R2 Auxiliary Actuator is a versatile and reliable component for various automation applications. Its roller lever design, screw terminal connections, and durable construction make it an excellent choice for controlling dampers, valves, and other components in HVAC, refrigeration, and process control systems. Its CE and RoHS compliance further adds to its appeal, making it a trusted and sustainable solution for your automation needs.
Honeywell Microswitch ADH3721R2 Auxillary Actuator: A Comprehensive Look at Its Pros and Cons
The Honeywell Microswitch ADH3721R2 Auxillary Actuator is a commonly used solution for various automation applications. Let's examine the primary advantages and disadvantages of this device to help you make an informed purchasing decision.
Pros:1. Versatility: This actuator is suitable for a wide range of applications, including temperature control, pressure switching, and liquid level sensing, among others.
2. Durability: The Honeywell ADH3721R2 is designed to withstand harsh environments, making it an excellent choice for industrial applications.
3. Easy Installation: The roller lever design allows for easy connection to various wiring configurations, reducing installation time and complexity.
4. Cost-effective: Compared to more complex actuator solutions, the Honeywell ADH3721R2 offers an affordable price point for its functionality and reliability.
Cons:1. Limited Force Capacity: The Honeywell ADH3721R2 has a relatively low force capacity, which may not be suitable for applications requiring significant actuation force.
2. Manual Operation: This actuator operates manually, meaning that it requires a separate power source or control mechanism to function.
3. Limited Integration: While compatible with various control systems, the Honeywell ADH3721R2 may not seamlessly integrate with more advanced automation platforms, requiring additional configuration effort.
Conclusion:The Honeywell Microswitch ADH3721R2 Auxillary Actuator is a reliable and cost-effective solution for various automation applications, particularly those that do not require high actuation forces or complex integration with advanced control systems. Its versatility, durability, and easy installation make it a popular choice for many industries. However, its manual operation and limited force capacity may make it less suitable for specific applications. Ultimately, the decision to purchase the Honeywell ADH3721R2 should be based on the unique requirements of your automation project. If the actuator's capabilities align with your needs, it may be an excellent choice for your application. If not, it would be wise to explore alternative options.
Details:
Shipped with USPS ground advantage. Microswitch ADH3721R2 auxillary actuator roller lever screw terminal lot of 6.
specifications indusswitch:
- brand: Honeywell Microswitch
- mpn: Adh3721r2
- part type: Actuator Roller Lever Terminal
- termination type: Screw
- country/region of manufacture: United States
- modified item: No
payments indusswitch:
- other
- wallet: paypal
- credit card: mastercard
general indusswitch:
- category: Business & Industrial > Electrical Equipment Supplies > Limit Snap Action Switches
shipping indusswitch:
- service: usps ground advantage
- class: standard
- type: calculated
- carrier: usps
- transit: 5-11 days
offer indusswitch:
- started: march 27, 2025
- sold #: 22
- in stock #: 2
- options: ship-to-home
- availability: in stock
- prices: $76.44–$398.53
- item condition:
- New
- New – Open box
returns indusswitch:
- policy: returns accepted
- paid by: buyer
- method: money back
- time: 30 days
seller indusswitch:
- city: edmonds, washington
- rating: 98.6%
- # reviews: 2270
Also Purchased:
- AML32LBK7AC: SWITCH, Honeywell
- AML51-H10C: CAP, Honeywell
- LSQYAB1A1T353: SWITCH, Honeywell
- 5ML1: SWITCH ROLLER, Honeywell
- LSZ68: SWITCH LEVER, Honeywell
- V7-1V19E9-207: SWITCH ACTION ROLLER LEVER, Honeywell
- BZ-2RL48: SWITCH ROLLER, Honeywell
- SCX15AN: SENSOR, Honeywell
- BZE-RN2X1: SWITCH, Microswitch
- GLAA01A2A: SWITCH ROLLER LEVER ROTARY, Honeywell
- EXD-AR-3: SWITCH ROLLER LEVER ROTARY, Honeywell

