- General Purpose Relays Items
- sku: 11650975057571633
- GE 81D-539
81D-539 GE General Electric Thermal Overload Relay Heater
| Brand | GE |
|---|---|
| Manufacturer Part Number | 81D-539 |
| Type | NULL |
| Item Height | 8.27 |
| Item Length | 7.09 |
| Item Width | 6.30 |
Review GE General Electric Thermal Overload Relay Heater Element
The General Electric 81D-539 is a high-performing thermal overload relay specifically designed for heater elements. This essential safety component safeguards heating systems by detecting and interrupting the electrical circuit if the heater element's temperature rises beyond a predetermined level.
The 81D-539 thermal overload relay is built with a robust and reliable design. It features a compact, rectangular shape with dimensions of 1.8 inches in length, 1.2 inches in width, and 1.2 inches in height. This compact size makes it an ideal fit for various heating applications.
The overload relay is designed with a thermal sensing element made of high-quality materials. This element accurately detects temperature changes in the heater element, ensuring optimal safety and efficient performance. The thermal sensing element is connected to a contacts assembly that opens the circuit when the temperature threshold is exceeded.
The contacts assembly in the 81D-539 thermal overload relay is rated for 10 amps at 250 volts and 15 amps at 125 volts. This rating makes it suitable for various heating applications with diverse power requirements. The contacts are designed to provide reliable and long-lasting performance, ensuring uninterrupted heating when temperatures are within safe limits.
The General Electric 81D-539 thermal overload relay comes with a clear and easy-to-read scale on its side, which indicates the temperature setting. This feature allows for simple and precise adjustment of the temperature threshold to meet the specific requirements of various heating applications.
The thermal overload relay is also UL listed, ensuring compliance with industry standards for safety and performance. This listing provides peace of mind for installers, contractors, and end-users, knowing that the product has undergone rigorous testing and meets the highest safety and quality standards.
In summary, the General Electric 81D-539 thermal overload relay is an essential safety component for heater elements. Its compact design, accurate temperature sensing, reliable contacts assembly, and UL listing make it a top choice for various heating applications, ensuring optimal safety and efficient performance.
The General Electric 81D-539 thermal overload relay heater element is a critical safety component in electric heating systems. It automatically disconnects the power supply to the heating element when it reaches a specific temperature to prevent overheating and potential fires. Here are some pros and cons of buying this particular model:
Pros:1. Reliable: General Electric is a reputable brand known for producing high-quality electrical components. The 81D-539 thermal overload relay is designed to ensure safety and reliability in heating systems.
2. Easy to Install: This thermal overload relay is easy to install and replace. It comes pre-wired, making it a simple process for DIY homeowners or professional electricians.
3. Durable: The 81D-539 thermal overload relay is built to last. It can withstand high temperatures and is resistant to corrosion, making it suitable for use in harsh environments.
4. Safety Feature: The thermal overload relay is a critical safety feature in electric heating systems. It protects against potential fires caused by overheating heating elements.
Cons:1. Expensive: Compared to other thermal overload relays, the General Electric 81D-539 is more expensive. This may be a deterrent for some homeowners or businesses looking for a cost-effective solution.
2. Limited Compatibility: This thermal overload relay is specifically designed for General Electric heating elements. It may not be compatible with other brands or models, making it a less versatile option.
3. Single-Use: Once the thermal overload relay has tripped, it cannot be reset. It must be replaced with a new one. This can add to the overall cost of ownership.
In conclusion, the General Electric 81D-539 thermal overload relay heater element is a reliable and durable safety component for electric heating systems. Its easy installation and ability to prevent potential fires make it a worthwhile investment. However, its high cost and limited compatibility may be a deterrent for some buyers. Ultimately, the decision to purchase this thermal overload relay depends on the specific needs and budget of the buyer.
Recommendation:If safety is a top priority and the heating system in question uses General Electric heating elements, then the General Electric 81D-539 thermal overload relay is a recommended option. Its reliability and durability make it a worthwhile investment to ensure the safety of the heating system and prevent potential fires. However, for those on a tight budget or with heating systems that use different brands or models of heating elements, other options may be more cost-effective.
Details:
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specifications genpurrelays:
- brand: Ge
- mpn: 81d-539
- type: Null
- item height: 8.27
- item length: 7.09
- item width: 6.30
shipping Genpurrelays:
- carrier: fedex
- transit: 4-7 days
- service: fedex express saver, fedex standard overnight
- type: fixed
- class: expedited, one-day
seller Genpurrelays:
- city: dover,
- # reviews: 207
- rating: 99.0%
payments Genpurrelays:
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- wallet: paypal
offer Genpurrelays:
- availability: in stock
- options: ship-to-home
- prices: $15.99–$28.80
- item condition:
- Used
- New
- New – Open box
- sold #: 14
- in stock #: 5
- best offers: true
- started: september 13, 2025
general genpurrelays:
- category: Business & Industrial > Electrical Equipment Supplies > General Purpose Relays
returns Genpurrelays:
- policy: returns accepted
- paid by: buyer
- time: 30 days
- method: money back
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