Ground Switch Solutions by VOLTAK: Versatility and Reliability for Substation Safety

VOLTAK is proud to offer a diverse range of ground switch solutions, widely recognized for their versatile and maintenance-free designs. These ground switches are essential for ensuring safety during inspection, maintenance, repair, or replacement of substation equipment. Our product line encompasses one of the broadest ranges of ground switch offerings, suitable for various applications in electrical systems.

Features of VOLTAK’s Ground Switches:

Broad Application Range: Suitable for single pole or group operated applications, including grounding for capacitor banks, circuit breakers, circuit switchers, and other substation equipment.

Versatile Configurations: Available as stand-alone devices or as attachments to various types of switches, including disconnect switches and circuit switchers.

Multiple Operating Mechanisms: Options for operation include manual swing handle operator, manual gear operator, electric motor operator, or hookstick.

Construction and Mounting Flexibility: Featuring aluminum or copper live part construction, with poles mountable in horizontal upright or vertical positions, ensuring easy installation for all mounting and operating schemes.

High-Speed Ground Switches by VOLTAK:

VOLTAK also offers automatic high-speed ground switches, which serve as economical alternatives for circuit protection and are particularly useful in situations requiring fault initiation or protection for power transformers. These high-speed ground switches can be furnished as stand-alone devices or attached to existing switchgear, offering flexibility and ease of test operation.

Key Features of High-Speed Ground Switches:

Versatile for various applications, including protection device for transformers or as backup in circuit breaker failure schemes.

Options for manual or electric operation, enhancing compatibility with existing systems.

Technical Ratings and Specifications:

Conventional Ground Switches:

Voltage Ratings: Ranging from 15.5 kV to 800 kV.

BIL Ratings: Spanning from 110 kV to 2050 kV, depending on the model.

Momentary Current Ratings: Up to 120 kA, varying by model.

Types of Operator: Including manual swing handle, manual gear, and electric motor.

Contact Engagement Methods: Direct "slam-in" action or rotating blade.

Current Transfer Methods: Flexible tin-plated copper braids or contact fingers.

High-Speed Ground Switches:

Available kV Ratings: From 15.5 kV to 169 kV.

Closing Ratings: Up to 40 kA.

Blade Reset Methods: Options include hookstick, manual spade handle operator, manual swing handle, manual gear operator, or electric motor operator.

VOLTAK’s ground switches and high-speed ground switches are designed to enhance the safety and efficiency of substation operations. With their robust construction, versatile designs, and reliable performance, these products are essential components in modern electrical infrastructure.