A 3-phase changeover switch box, also known as a three-pole transfer switch or generator switch box, is a device used to switch power sources between utility power and backup generators in a three-phase electrical system.   An electrical changeover box, also known as an electrical transfer switch or transfer box, is a device used to switch between two power sources, typically the mains utility power and a backup power source (such as a generator or an alternate power supply). It allows for automatic or manual transfer of electrical load from one power source to another in case of a power outage or when a different power source is required. A changeover switch is an electrical switch that allows a load to be changed from one electrical source to another and vice versa, either manually or automatically.Electrical Change Over Switch Box Changeover Box High-Quality Wall Mounted Open Box

Features:

1. Three-Pole Configuration: The switch box is designed to handle three-phase power, allowing for the switching of all three phases simultaneously.

2. Manual or Automatic Operation: The switch box can be operated manually by physically turning the switch or automatically using control logic or a generator controller. Automatic operation is often preferred for seamless power transfer during utility outages.

3. Power Source Selection: The switch box allows the user to select the power source between utility power and backup generator power. It ensures a safe and reliable transition from one power source to another.

4. Transfer Time: The switch box is designed to minimize the transfer time between power sources, ensuring a smooth transition and preventing disruptions to critical electrical loads. Transfer times can vary depending on the specific switch box model and design.

5. Safety Interlocks: Changeover switch boxes often incorporate safety interlocks to prevent simultaneous connection of both utility and generator power, which could cause damage to equipment or endanger personnel.

6. Current Ratings: The switch box is rated to handle specific current levels based on the system requirements. The current ratings should be compatible with the electrical loads and the capacity of the backup generator.

7. Enclosure and Protection: The switch box is typically housed in a durable and protective enclosure, providing insulation and safeguarding against environmental factors. It may include features like circuit breakers, surge protection, and grounding provisions.

8. Monitoring and Indication: Some switch boxes include monitoring capabilities and indicators to display the status of the power sources, transfer process, and fault conditions. These features help in diagnosing issues and ensuring proper operation.

Specification:

• Voltage Rating: Compatible with the power system voltage (e.g., 400V or 690V).
• Current Rating: Maximum current handling capacity (measured in amperes).
• Transfer Time: Duration for switching power sources (measured in milliseconds or cycles).
• Number of Poles: Designed for three-phase power systems.
• Enclosure Type: Wall-mounted, floor-mounted, or rack-mounted.
• Switching Mechanism: Rotary switches, break-before-make or make-before-break contacts, or electronic switching.
• Protection Features: Overcurrent protection, short circuit protection, surge protection, or grounding provisions.
• Control Options: Manual or automatic control.
• Compliance and Certifications: Complies with relevant standards and certifications (e.g., IEC).

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Package Includes:
1 x 3 Phase Changeover Switch Box