
4520-0011-000 Comparison
| photo | price | summary | rating |
|---|---|---|---|
![]() | $74.99 | Condition is New, Marley Engineered Products 4520-0011-000 Auto Limit Switch, 300F Cu, shipping cost = $5.00 | ![]() |
![]() | $94.09 | Condition is New, Marley Engineered Products 4520-0011-000 300F CU AUTO Limit Switch, FREE SHIPPING | 99.7% |
![]() | $96.41 | Condition is New, Marley Engineered Products 4520-0011-000 300F CU AUTO Limit Switch, FREE SHIPPING | 98.6% |
![]() | $97.72 | Top Pick! Condition is New, Marley Engineered Products 4520-0011-000 300F CU AUTO Limit Switch, FREE SHIPPING | ![]() |
![]() | $89.95 | Top Pick! Condition is New, 4520-0011-000 Berko Marley 300F Cu Auto Limit Switch OEM 4520-0011-000, shipping cost = $9.96 | 99.6% |
![]() | $108.76 | Condition is New, Marley QMark Berko 4520-0011-000 Hi-Limit, FREE SHIPPING | 99.8% |
![]() | $107.00 | Top Pick! Condition is New, MARLEY ENGINEERED PRODUCTS 4520-0011-000 / 45200011000 (BRAND NEW), shipping cost = $12.90 | 99.7% |
![]() | $110.04 | Condition is New, MARLEY ENGINEERED PRODUCTS 4520-0011-000 / 45200011000 (BRAND NEW), shipping cost = $36.29 | 99.3% |
| photo | price | summary | rating |
|---|---|---|---|
![]() | $94.49 | Condition is Unspecified, Marley Engineered Products 4520-0011-000 300F CU AUTO Limit Switch, FREE SHIPPING | 97.8% |

The Marley 4520-0011-000 Auto Limit Switch is a crucial component in refrigeration and air conditioning systems that ensures safe and efficient operation. This switch, designed for use with compressors having a rated input of 300 watts or less, offers automatic protection against compressor overload.
The Marley 4520-0011-000 is an essential accessory for any refrigeration or air conditioning system, as it safeguards against potential compressor damage caused by overcurrent conditions. It is designed to automatically disconnect the compressor when the current exceeds a predetermined level, preventing the risk of compressor failure or motor burnout.
This auto limit switch is a robust and reliable component, built to withstand the rigors of commercial and industrial environments. It features a compact, weather-resistant design, ensuring that it can be installed in various locations without compromising performance or reliability.
The Marley 4520-0011-000 comes with a built-in thermal protector, providing an additional layer of safety to the system. The thermal protector monitors the temperature of the compressor and disconnects it when it reaches a predetermined level, preventing damage caused by overheating.
Installation of the Marley 4520-0011-000 is a straightforward process, as it can be easily wired in parallel with the compressor motor. The switch is designed to fit most standard compressor mounting configurations, allowing for quick and easy installation.
The Marley 4520-0011-000 Auto Limit Switch offers peace of mind, knowing that your refrigeration or air conditioning system is protected against potential damage caused by overcurrent or overheating conditions. It is a must-have component for any commercial or industrial application where reliability and safety are paramount.
The Marley 4520-0011-000 Auto Limit Switch 300F is a component used in refrigeration systems to prevent compressor damage due to overheating. Here are some potential pros and cons of buying this specific auto limit switch:
Pros:1. Reliability: Marley is a well-known brand in the HVACR industry, and their components are known for their durability and reliability.
2. Easy Installation: This switch is designed for easy installation, and it can save time and effort in the long run.
3. Safety: The auto limit switch protects the compressor from damage caused by overheating, which can prevent costly repairs and ensure the system's longevity.
4. Compatibility: This switch is compatible with various refrigeration systems, making it a versatile option for different applications.
Cons:1. Cost: This switch may be more expensive than some other options on the market, which could be a consideration for those on a tight budget.
2. Availability: Depending on the location and supplier, this switch may not always be readily available, which could cause delays in repair or maintenance work.
3. Complexity: Although the installation process is relatively simple, some users may find the wiring and connection process to be more complex than they anticipated.
In conclusion, the Marley 4520-0011-000 Auto Limit Switch 300F offers several advantages, including reliability, easy installation, safety, and compatibility. However, it may come with a higher cost and potential availability issues, as well as a more complex installation process compared to some other options. Ultimately, the decision to purchase this switch depends on the specific needs and budget of the user.
If the user values reliability, compatibility, and safety in their refrigeration system, and they have the budget for it, then the Marley 4520-0011-000 Auto Limit Switch 300F would be a recommended option. On the other hand, if cost is a significant factor, and the user is comfortable with a less well-known brand, they may consider exploring other options in the market.
Details:
Limit switch, for use with fhp 0750 kct, fhp 0750 kcta, fhp0750t, fhp0750ta, huhaa320, huhaa320fc, huhaa324, huhaa324fc, huhaa327, huhaa327fc, huhaa348, huhaa348fc, huhaa520, huhaa520fc, huhaa524, huhaa524fc, huhaa527, huhaa527fc, huhaa548, huhaa548fc, ph4, ph5, ph5hw, fits kw 5000 w.
specifications maxohvac:
- brand: Marley Engineered Products
- mpn: 4520-0011-000
- type: Hvac Parts Blower Motors And Parts
- custom bundle: No
- country/region of manufacture: Us
- restricted sale item code: A9
- weight: 0.0900
- length: 3.800
- features: Limit Switch, For Use With Fhp0750kct, Fhp0750kcta, Fhp0750t, Fhp
general maxohvac:
- category: Business & Industrial > Hvac Refrigeration
seller maxohvac:
- # reviews: 1244372
- rating: 99.6%
- city: USA
payments maxohvac:
- wallet: paypal
- other
- credit card: visa
shipping maxohvac:
- transit: 3-3 days
- service: standard
- class: standard
- type: fixed
returns maxohvac:
- time: 60 days
- policy: returns accepted
- paid by: seller
- method: money back
offer maxohvac:
- prices: $74.99–$110.04
- item condition:
- New
- Unspecified
- sold #: 21
- options: ship-to-home
- availability: in stock
- started: august 25, 2025
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