Superior Insulation and Reliability with Vacuum Pressure Impregnation (VPI) and VPI Transformers
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In the realm of electrical equipment, insulation plays a critical role in ensuring reliable and efficient performance. Vacuum Pressure Impregnation (VPI) technology, employed in VPI Transformers by Becker Mining, offers exceptional insulation properties and enhanced reliability. With a wide range of applications and advanced features, Becker Mining's VPI Transformers are designed to meet the highest industry standards and deliver superior performance.
VPI Transformers
Becker Mining's VPI Transformers utilize state-of-the-art VPI technology to achieve exceptional insulation performance. VPI involves a meticulous process where the transformer windings are vacuum-sealed and impregnated with a high-quality insulating resin under pressure. This process eliminates air voids, enhances the insulation's dielectric strength, and ensures uniform resin distribution. As a result, VPI Transformers offer superior protection against electrical arcing, corona discharge, and partial discharges, significantly reducing the risk of insulation failure and increasing the overall reliability of the transformer.

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Vacuum Circuit Breakers & Load Break Switches
The Becker Mining family of high-voltage Vacuum Circuit Breakers, Load Break Switches, and Visible Disconnect Switches features robust and multi-purpose operating mechanisms, making them ideal for various applications. Becker Mining offers Vacuum Circuit Breakers with current ratings of up to 1200A and Load Break Switches with ratings up to 600A. These switches employ vacuum interrupters capable of thousands of full-load interruptions, surpassing the performance of conventional air-breaking devices. The switches are compact, oilless, and virtually maintenance-free, ensuring reliable operation over an extended lifespan.
Key Features and Benefits
- Heavy-Duty Operation: Becker Mining's Vacuum Circuit Breakers and Load Break Switches are equipped with heavy-duty operating mechanisms, providing robust and reliable performance in demanding applications.
- Maintenance-Free Operation: These switches require minimal maintenance, thanks to their design and use of vacuum interrupters. This translates to cost savings and reduced downtime.
- Enhanced Safety: The switches feature trip-free operation, no-sparks interruption, and visible disconnect, ensuring operator safety during maintenance or emergencies.
- Auxiliary Switches: Becker Mining offers the option of adding auxiliary switches to the vacuum interrupter mechanism and operating shaft, allowing for seamless integration with control systems.
- Integral Fuse Holder: Some switches can be provided with an attached fuse holder, accommodating fuses up to 400A. This feature enhances protection and facilitates selective tripping in case of a fault.
- Undervoltage & Shunt Trip Devices: Becker Mining's switches offer optional undervoltage and shunt trip devices, enabling selective tripping based on various control functions.
- Non-Load Break, Visible Disconnect Switches: Becker Mining also offers visible disconnect switches rated up to 15 KV in non-load break applications. These switches include an auxiliary switch for interruption coordination.

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Becker Mining's Vacuum Circuit Breakers and Load Break Switches offer versatile and robust operation, incorporating advanced features for enhanced safety and ease of use. With a commitment to quality and innovation, Becker Mining delivers electrical solutions that meet the highest industry standards and provide exceptional performance and longevity. Choose Becker Mining for your VPI and vacuum switchgear needs and experience the benefits of reliable, efficient, and safe electrical equipment.
Products We Offer:
- Explosion Proof Equipment
- Transformers
- Arc Guard
- Longwall Electrical Systems
- Capacitor Trip Devices
- Electrical Equipments like capacitor banks, switch houses, junctions, and splice boxes.
Since 1971, Becker/Becker Mining has been a trailblazer in delivering top-notch electrical components, open-type and explosion-proof motor starters, longwall electrical controls, and power distribution equipment. Our unwavering commitment to quality and customer satisfaction has made us a trusted name in the industry. Contact us today!