9999ST1 SQUARE D Fault Relay

Review SQUARE D Square785901390893 Ground-fault Relay 120v

The Square D Ground Fault Relay, model number GC-200 (785901390893), is a essential electrical safety device designed to protect against ground faults in 120V electrical circuits. This compact and versatile relay is manufactured by Square D, a leading brand known for its commitment to innovation and reliability in electrical equipment.

Measuring approximately 4.3 inches long, 2.1 inches wide, and 1.5 inches high, this ground fault relay is suitable for various applications, including residential, commercial, and industrial settings. The GC-200 is designed to be installed in electrical distribution panels, providing an added layer of protection against the risk of electrical shocks and fires caused by ground faults.

The Square D GC-200 ground fault relay incorporates a highly sensitive ground fault detection circuit, capable of detecting ground fault currents as low as 5 milliamperes. This advanced sensing technology ensures that even the smallest ground faults are quickly identified and addressed before they can cause potential harm.

The relay features a test and reset button, allowing for easy and convenient operation. The test button can be pressed to simulate a ground fault, allowing the user to verify that the relay is functioning properly. Once the test is complete, the reset button can be pressed to restore the circuit to its normal state.

This ground fault relay is also equipped with a self-diagnostic feature, which provides visual indicators to help troubleshoot any issues. Green and red LED indicators display normal operation and fault conditions, respectively, making it easy for users to quickly assess the status of the device.

Designed for longevity and durability, the Square D GC-200 ground fault relay is constructed using high-quality materials and components. It is UL listed and complies with UL 244-15 standards, ensuring that it meets the highest safety and performance requirements.

In summary, the Square D GC-200 (785901390893) ground fault relay is a crucial safety device that provides reliable protection against ground faults in 120V electrical circuits. Its advanced sensing technology, easy operation, and self-diagnostic features make it an essential addition to any electrical distribution panel.

Pros and Cons of Buying Square D Ground Fault Relay (GC-200, 120V) for Your Electrical System

The Square D Ground Fault Relay (GC-200, 120V) is a protective device designed to prevent electrical ground faults, which can cause electrical shocks and fires. In this analysis, we will discuss the advantages and disadvantages of purchasing this ground fault relay to help you make an informed decision.

1. Enhanced Safety: The primary benefit of using a ground fault relay is the increased safety it provides against electrical shocks and fires caused by ground faults. These faults can occur when an electrical current takes an unintended path, such as through a person or an unintended ground, which can lead to dangerous situations.

2. Compliance with Safety Standards: Installing a ground fault relay is often required by safety codes and regulations to ensure the electrical system is up to par with safety standards. By purchasing and installing the Square D GC-200, you can ensure your electrical system is compliant and safe.

3. Cost-Effective: Ground fault relays are relatively inexpensive compared to the potential costs of electrical shocks, fires, and property damage they help prevent. The cost of the Square D GC-200 (approximately $30) is a small investment when considering the potential risks and damages.

4. Easy Installation: The Square D GC-200 is designed for easy installation. It can typically be installed in a few hours by a competent homeowner or electrician, making it a convenient solution for improving electrical safety.

1. Limited Compatibility: The Square D GC-200 is designed for use with single-phase, 120V electrical systems. It may not be compatible with other types of electrical systems, such as three-phase systems or systems with different voltage ratings.

2. Additional Cost for Professional Installation: While the Square D GC-200 itself is relatively inexpensive, hiring a professional electrician to install it will add to the overall cost. This is an important consideration for homeowners who prefer DIY projects or have a limited budget.

3. Additional Maintenance: Like other electrical components, the Square D GC-200 requires periodic maintenance to ensure it functions properly. This includes checking the relay contacts for corrosion and cleaning them if necessary.

The Square D Ground Fault Relay (GC-200, 120V) offers significant advantages in terms of safety, compliance with safety standards, and cost-effectiveness. However, it may have limited compatibility and require additional costs for professional installation and maintenance. Ultimately, the decision to purchase this ground fault relay depends on your specific electrical system requirements, budget, and risk tolerance.

If your electrical system meets the compatibility requirements and your budget allows for the additional costs of professional installation and maintenance, the Square D GC-200 is a worthwhile investment for improving electrical safety. If you have concerns about compatibility or costs, it may be advisable to consult with a qualified electrician for recommendations on alternative ground fault protection solutions.

Details:

Crafted by a brand synonymous with quality and durability, the Square gc-200 is practical solution for both industrial commercial applications. This 120v relay is an essential component for any electrical system, ensuring safe and efficient operation by swiftly detecting isolating ground faults. Its simple installation and robust construction make it a staple in the realm of electrical safety equipment.

specifications buildymat:

• brand: Square D
• model: 9999st1
• upc: 785901390893

shipping buildymat:

• service: ups ground
• type: calculated
• transit: 3-9 days
• carrier: ups
• class: standard

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• policy: no returns

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• options: ship-to-home
• best offers: true
• prices: $22.00–$50.00
• item condition:
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• sold #: 24
• availability: in stock
• started: may 20, 2025

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