NTH-11 NHD Thermal Overload Relay Box

Review NHD Thermal Overload Relay 8-11a New In Box

The NHD NTH-11 Thermal Overload Relay is a crucial safety component designed to protect electrical heating elements from overloading and potential damage due to overheating. This relay is engineered to automatically disconnect power to the heating element when it reaches a predetermined temperature.

This 8-11A, single-pole, double-throw (SPDT) relay comes in a compact box measuring approximately 2.2 inches long, 1.7 inches wide, and 1.2 inches high. The NTH-11 is designed to operate in temperatures ranging from -40 F to 140 F (-40 C to 60 C), making it suitable for use in various industrial and residential applications.

The relay features a clear, multicolor LED indicator that displays the status of the relay. The green LED indicates the normal operating condition, while the red LED indicates an overload condition. This visual cue makes it easy to identify the status of the relay at a glance, ensuring timely maintenance and safety.

The NHD NTH-11 Thermal Overload Relay is UL listed, ensuring compliance with the rigorous safety standards set by Underwriters Laboratories. It includes terminal blocks for easy wiring and a mounting bracket for secure installation. The relay is rated for a maximum voltage of 277V and a thermal trip setpoint of 135 F (57 C).

This reliable and robust thermal overload relay offers peace of mind, ensuring the safety of people and equipment by automatically disconnecting power when necessary. It is an essential component for any electrical heating system that requires temperature monitoring and overload protection.

The NHD NTH-11 Thermal Overload Relay is a crucial safety component for electrical systems that can prevent overheating and potential fires. Here are some pros and cons of buying this particular model:

1. Overload Protection: The primary function of this relay is to protect electrical circuits from overloading, which can lead to overheating and potential fires.

2. Adjustable Setting: The NHD NTH-11 has an adjustable setting, which allows users to set the trip temperature according to their specific requirements.

3. Robust Design: This relay is designed to handle high currents and voltages, making it suitable for industrial applications.

4. UL Listed: The NHD NTH-11 is UL listed, which means it has been tested and certified by Underwriters Laboratories for safety and performance.

5. Easy Installation: The relay comes with clear instructions and mounting hardware, making it easy to install and connect to the electrical system.

1. Cost: The NHD NTH-11 is more expensive than some other thermal overload relays on the market.

2. Manual Reset: This relay requires manual reset after a trip, which can be inconvenient for some users.

3. Size: The relay is larger than some other models, which may require additional mounting space.

The NHD NTH-11 Thermal Overload Relay is a reliable and effective safety device for electrical systems that require overload protection. Its adjustable setting, robust design, and UL listing make it a popular choice for industrial applications. However, its higher cost and manual reset feature may be a drawback for some users. Ultimately, the decision to purchase this relay depends on the specific needs and budget of the user.

If you are looking for a reliable and effective thermal overload relay for industrial applications, the NHD NTH-11 is a solid choice. Its adjustable setting, robust design, and UL listing make it a reliable safety device. However, if cost is a concern, you may want to consider other options with similar functionality but lower prices. Additionally, if manual reset is a deal-breaker for you, there are other models on the market with automatic reset features.

Details:

Thermal overload relay NTH-11 range 8-11a fast shipping.

specifications genpurrelays:

• brand: Nhd
• mpn: Nth-11
• country of origin: Taiwan
• type: Overload Relay
• current rating: 8-11 A

offer genpurrelays:

• sold #: 8
• prices: $21.94–$71.33
• item condition: New
• options: ship-to-home
• in stock #: 5
• started: february 9, 2026
• availability: in stock
• best offers: true

seller genpurrelays:

• # reviews: 489
• city: fort payne, alabama
• rating: 100.0%

general genpurrelays:

• category: Business & Industrial > Electrical Equipment Supplies > General Purpose Relays

shipping genpurrelays:

• class: standard
• type: calculated
• carrier: usps
• transit: 5-10 days
• service: usps ground advantage

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• policy: no returns