146-1050 JOSLYN CLARK Field Loss Relay

Review JOSLYN CLARK Field Loss Relay 300v-ac

The Joslyn Clark 146-1050 Field Loss Relay is a versatile and reliable protective device designed for use in various electrical applications, specifically in the range of 300 volts alternating current (AC). This field loss relay is manufactured by Joslyn Clark, a trusted name in the electrical industry, known for its high-quality and innovative solutions.

The 146-1050 model is a type of overcurrent relay, which is used to protect electrical circuits from overloading or short-circuiting. It operates on the principle of the field loss method, which involves detecting the change in the magnetic field produced by the electrical current flowing through the protected circuit. When the current exceeds a predefined level, the relay trips and disconnects the circuit to prevent damage.

This particular model is designed for use in industrial and commercial electrical systems. Its 300V AC rating makes it suitable for applications in medium-voltage electrical networks. The relay is housed in a robust and compact enclosure, which is suitable for mounting in a cabinet or on a wall. It is designed to operate in a wide temperature range, ensuring reliable performance in various environmental conditions.

The 146-1050 Field Loss Relay is equipped with several features to enhance its functionality and ease of use. It has adjustable settings for the tripping current, which allows users to tailor the relay to their specific application requirements. It also has a built-in test function, which enables users to perform periodic checks on the relay's operation status. Additionally, it comes with a clear and easy-to-read indication of the status, which helps users quickly identify the relay's operational state.

The relay is designed with safety in mind, featuring several protective features. It has a built-in fuse, which protects the relay against overcurrent and short-circuit conditions. It also has a ground fault detection feature, which helps to prevent electrical shocks and fires caused by ground faults.

Installing the 146-1050 Field Loss Relay is a straightforward process, thanks to its user-friendly design. It comes with comprehensive installation instructions, as well as a range of mounting options, making it suitable for various installation configurations. It also has a low maintenance requirement, which reduces the need for frequent servicing, thereby saving time and resources.

In summary, the Joslyn Clark 146-1050 Field Loss Relay is a high-performance and reliable protective device designed for use in medium-voltage electrical applications. Its versatile features, easy installation, and low maintenance requirements make it an ideal choice for industrial and commercial electrical systems. With its robust design and advanced protective features, this relay ensures reliable and efficient electrical system protection.

The Joslyn Clark 146-1050 Field Loss Relay 300V-AC is a protective device used in electrical systems to disconnect a load when the voltage drops below a certain level. Here are some pros and cons of buying this specific model:

1. High Voltage Rating: This relay can operate on a 300V-AC power supply, making it suitable for use in industrial applications with higher voltage requirements.

2. Quick Operation: The relay is designed to operate quickly, disconnecting the load within milliseconds when voltage drops below the set level.

3. Rugged Construction: The relay housing is made of die-cast aluminum, making it durable and able to withstand harsh operating conditions.

4. Adjustable Setting: The relay has an adjustable setting, allowing users to set the voltage level at which the relay will operate.

5. Multiple Applications: This relay can be used in a variety of applications such as motor protection, generator protection, and power distribution systems.

1. Complex Installation: Installing this relay may require some technical knowledge and experience. It may not be suitable for DIY projects.

2. Requires Calibration: The relay needs to be calibrated before use to ensure accurate voltage detection. This may require specialized equipment and expertise.

3. Expensive: Compared to some other relays on the market, this model can be quite expensive.

4. Limited Capacity: This relay can only handle a maximum current of 10A, which may not be sufficient for larger loads.

The Joslyn Clark 146-1050 Field Loss Relay 300V-AC is a high-performance protective device suitable for use in industrial applications with higher voltage requirements. Its quick operation, rugged construction, and adjustable setting make it a reliable choice for motor protection, generator protection, and power distribution systems. However, its complex installation, requirement for calibration, and high cost may make it a less attractive option for smaller projects or those with limited budgets.

If you are looking for a reliable and high-performance field loss relay for industrial applications with higher voltage requirements, the Joslyn Clark 146-1050 Field Loss Relay 300V-AC is a good option to consider. However, if you have a smaller budget or require a simpler solution, you may want to consider other options on the market with lower voltage ratings or simpler installation requirements.

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specifications genpurrelays:

• brand: Joslyn Clark
• mpn: 146-1050
• coil voltage: Ac
• reference sku: 1739948
• product condition: New Other

seller genpurrelays:

• rating: 100.0%
• city: delta, ohio
• # reviews: 122445

payments genpurrelays:

• other
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• wallet: google-pay

returns genpurrelays:

• time: 30 days
• method: money back
• paid by: seller
• policy: returns accepted

offer genpurrelays:

• in stock #: 2
• started: january 23, 2026
• prices: $450.00–$673.70
• item condition:
  • New – Open box
  • Used
• options: ship-to-home
• best offers: true
• sold #: 11
• availability: in stock

general genpurrelays:

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

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• class: standard, expedited, one-day