JH3A-W-AC220V-Q NAIS Relay

Review NAIS Relay Used

The Nais JH3A-W-AC220V-Q relay (AR55389) is a versatile and high-performing electromechanical switching component designed to meet various automation and control applications. This relay operates on AC220V voltage and is suitable for handling currents up to 10A at 250VAC or 15A at 125VAC.

The JH3A-W-AC220V-Q relay is a normally-open (NO) type, which means it does not conduct current when the coil is de-energized. When the coil is energized, the contacts close, allowing the current to flow through. This feature makes it an ideal choice for applications requiring the switching of AC loads.

This particular relay model features a compact size, which measures approximately 68.5mm in length, 43.5mm in width, and 22mm in height. Its compact dimensions make it suitable for use in space-constrained environments.

The JH3A-W-AC220V-Q relay's contacts are rated for 10,000 make-and-break cycles, ensuring reliable and durable performance over extended periods. Additionally, it comes with a built-in coil overvoltage protection feature, which safeguards the relay against potential damage due to voltage surges.

The relay is constructed using high-quality materials, including silver-plated copper contacts for enhanced conductivity and improved contact life. The coil is also designed using a robust insulation material, ensuring excellent insulation and reliable operation.

The JH3A-W-AC220V-Q relay's terminals are easily accessible, allowing for quick and easy wiring. The relay comes with a clear and informative labeling system, making it simple to identify the various terminal functions.

Operating this relay is straightforward, thanks to its built-in pilot lamp, which indicates when the coil is energized. This feature is particularly useful in applications where visual confirmation of relay operation is essential.

In summary, the Nais JH3A-W-AC220V-Q relay (AR55389) is a robust and reliable AC220V relay designed for use in various automation and control applications. Its compact size, high contact rating, and built-in overvoltage protection make it an excellent choice for users seeking a dependable and versatile switching solution.

The NAIS JH3A-W-AC220V-Q relay (AR55389) is a commonly used AC contactor or overload relay in various applications such as HVAC systems, water pumps, and compressors. Here are some pros and cons of buying this relay:

1. Durable construction: The relay is built with a robust design, making it suitable for heavy-duty applications. It has a die-cast aluminum housing that protects against vibration and corrosion.

2. Wide voltage range: The relay can operate on a wide voltage range of 115V to 230V AC, which makes it versatile for use in different electrical systems.

3. High load capacity: The relay has a contact rating of 10A at 250V AC, which makes it suitable for controlling heavy loads.

4. Easy installation: The relay has a standard size and mounting pattern, making it easy to install in various applications.

5. Cost-effective: The relay is reasonably priced compared to other relays with similar specifications, making it an affordable option for many applications.

1. Limited current capacity: The relay has a contact rating of only 10A, which may not be sufficient for applications requiring higher currents.

2. No built-in thermostat: The relay does not have a built-in thermostat, which means that additional temperature sensors or controls may be required for temperature-controlled applications.

3. No built-in overload protection: The relay does not have built-in overload protection, which means that additional overload protection devices may be required to prevent damage to the relay or the connected equipment.

In conclusion, the NAIS JH3A-W-AC220V-Q relay (AR55389) is a reliable and cost-effective option for controlling AC loads in various applications. Its durability, wide voltage range, and easy installation make it a popular choice among professionals. However, its limited current capacity, lack of built-in thermostat and overload protection may be a concern for some applications. If your application requires higher currents, or temperature and overload protection, you may need to consider other options or additional components. Overall, for general-purpose AC load control, this relay is a good choice.

Details:

Prices for these options may differ from standard ground shipping. Ups next day am. Item is sold as pictured.

These services include: ups 3 day select. The cost of combined shipping depends on weight, location buyer and size box. Ups 2 day air am. Nais relay JH3A-W-AC220V-Q, AR55389, 1/2 hp, 250v ac, 10a, 277v ac.

specifications genpurrelays:

• brand: Nais
• mpn: Jh3a-w-ac220v-q

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

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offer genpurrelays:

• price: $15.00
• item condition: Used
• options: ship-to-home
• started: june 4, 2025
• sold #: 26
• availability: in stock
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• in stock #: 1