The GRV8-VW 5A 2SPDT Single Phase Voltage Relay is a type of electronic relay developed for monitoring and protecting single-phase electrical systems. 

Key features in this device include the following:

1. Single-Phase Voltage Monitoring:

The relay monitors voltage in single-phase electrical systems, giving protection from voltage fluctuations including overvoltage, undervoltage, or voltage unbalance.

2. 5A SPDT Contacts:

Equipped with 5A-rated SPDT contacts, these relays provide switching functions depending on the voltage condition. In this respect, the relays can actuate or shut down equipment upon receipt of voltages outside the limits.

3. Setpoints Adjustable:

Most voltage relays are designed to enable users to adjust the upper and lower set points of the voltage, or overvoltage and undervoltage settings to meet the specific requirements of any given application or system.

4. Delay Feature:

It is often designed with a delay-on or delay-off feature that keeps it from short cycling or unnecessary activation of connected equipment when there is a transient voltage spike.

5. Wide Voltage Range:

A wide range of voltage possibilities are provided within the device to handle anything from various industrial, commercial, or residential applications.

6. Easy to Install:

Compact and user-friendly design allows for easy installation and integration into existing electrical circuits.

7. LED Indication:

Some models incorporate LED indicators for relay status and/or fault conditions to help monitor the system more easily.

8. Durability and Reliability:

The GRV8-VW series relay is manufactured using high-quality materials for durability and reliability, therefore assuring a long life in a demanding environment.

Key features in this device include the following:

1. Protection Enhancement:

The foremost benefit will be protection for the electrical equipment against harmful voltage fluctuations. This will go a long way toward saving motors, pumps, and other sensitive electrical equipment from expensive damage.

2. Increased System Life:

Thus, this relay prevents overvoltage and undervoltage conditions. In turn, it can extend the life of connected electrical equipment and reduce the overall cost of maintenance and repair of such equipment.

3. Avoid Downtime:

Abnormal voltage conditions; hence prevention from downtime is attained through automatic disconnection. Once the conditions are restored to normal, then continuous operation resumes.

4. Saving into Costs

This relay, GRV8-VW, reduces the cost of failures in expensive machinery and electrical systems, including the costs resulting from unplanned maintenance.
Proper voltage regulation ensures electrical systems perform with high efficiency and without the risk of voltage irregularities, thus allowing for better energy consumption and performance.

5. User-Friendly Operation:

The adjustable setpoints and clear indicators go a long way in easy configuration and monitoring of the device, enhancing ease of use both for operators and maintenance personnel.

6. Versatility:

Will work for HVAC, motors, home appliances, hence highly versatile across industries and other applications.

It provides real-time voltage protection, ease of installation, and reliable performance that ensure connected equipment operates optimally for an extended lifespan.

Technical Specifications:

• Model: GRV8-VW 5A 2SPDT
• Function: Monitoring voltage 
• Supply Voltage: 120V, 230V, or 240V
• Relay Type: Single-phase voltage monitoring relay.
• Contact Rating: 5A (resistive load), typically rated for 250V AC.
• Contacts: 2XSPDT
• Tolerance Range: +/- 5%
• Indication: LED indicators
• Temperature Range: Typically between -10°C to +60°C (14°F to 140°F)
• Dimensions: 70mm x 90mm x 55mm
• Weight:  100g
• Standards: EN 61812-1, IEC6947-5-1

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