BARKER WILLIAMSON CX58B Butterfly Capacitor Museum 2X 58PF 12KV

( Brand: Barker Williamson ), ( Manufacturer Part Number: CX58B ), ( Model: B W CX58B ), ( Part Type: Capacitor ), ( Country Of Origin: United States )

Review BARKER WILLIAMSON Butterfly Capacitor 2x Beautiful Museum Quality Model

The Barker & Williamson CX58B Butterfly Capacitor is a must-have component for high-voltage electrical applications, particularly in museums and other institutions where the preservation and restoration of historical equipment is of utmost importance. This capacitor is available in a pack of two, each with a capacity of 58 picofarads (pF) and a working voltage of 12,000 volts.

Measuring 4.2 inches (106.7 mm) in diameter, these compact butterfly capacitors boast an impressive energy storage capacity. Their small form factor makes them ideal for use in tight spaces, making them a popular choice for restoring vintage electrical equipment where space is limited.

Constructed with high-quality materials, the Barker & Williamson CX58B Butterfly Capacitors are designed to offer superior performance and reliability. Their ceramic dielectric material ensures excellent dielectric strength, while their silver-manganese electrodes provide low equivalent series resistance (ESR) and excellent stability over a wide temperature range.

The capacitors' butterfly design allows for easy installation and maintenance. Their screw-terminal connections are securely fastened with torque-sealed nuts, ensuring a reliable electrical connection. The capacitors are also hermetically sealed, protecting their internal components from moisture and other environmental contaminants, ensuring long-term reliability.

The Barker & Williamson CX58B Butterfly Capacitors are built to meet the strictest industry standards, including ANSI/IEEE C57.12.90-1993 and IEC 60275-1. They are also RoHS compliant, ensuring that they are free from harmful substances such as lead, cadmium, mercury, and other heavy metals.

In summary, the Barker & Williamson CX58B Butterfly Capacitor is an essential component for high-voltage electrical applications in museums and other institutions. Its compact size, excellent performance, and reliable construction make it an ideal choice for restoring vintage electrical equipment, while its compliance with industry standards and RoHS regulations ensures that it meets the highest safety and environmental standards.

The Barker and Williamson CX58B butterfly capacitor is a high-voltage capacitor commonly used in museum applications for powering X-ray fluorescence (XRF) analyzers. Here are some pros and cons of buying this specific model:

1. High Voltage: The CX58B capacitor can handle a voltage rating of up to 12kV, which is essential for XRF applications.

2. Butterfly Design: The butterfly capacitor design allows for a more compact size compared to other high-voltage capacitor designs, making it easier to install in limited spaces.

3. Reliability: Barker and Williamson is a reputable manufacturer known for producing high-quality capacitors with long lifetimes.

4. Low Leakage Current: This capacitor has a low leakage current, which is important for maintaining accurate XRF readings over long periods.

1. Cost: The CX58B capacitor is relatively expensive due to its high voltage rating and specialized design.

2. Size: Despite its compact design, the butterfly capacitor is still larger than standard capacitors, which may require additional mounting or shielding to ensure safety during installation.

3. Handling: Due to the high voltage and capacitance, it is essential to take proper precautions when handling this capacitor to avoid electrical hazards.

In conclusion, the Barker and Williamson CX58B butterfly capacitor is an excellent choice for museum applications requiring high-voltage capacitors for XRF analyzers. Its reliable performance, low leakage current, and compact design make it a worthwhile investment. However, its high cost and larger size compared to standard capacitors are potential drawbacks. Ultimately, the decision to purchase this capacitor depends on the specific requirements of the museum XRF system and the available budget. If the requirements justify the investment, the Barker and Williamson CX58B butterfly capacitor is a recommended choice.

Details:

The lugs for the neutralizing plates have had solder on them, only sign of use this unit. Mirror-finish plates, shaft spins freely. Specs: B W model CX58B with neutralizing plates. You are buying a butterfly capacitor This is spectacular.

Size: 8 W x 96-1/2. Capacity per section 20-58pf. Plate spacing 3/8 for rating of 12KV.

part #: cx58b price

• $30.00

specifications vintacapacitor:

• brand: Barker Williamson
• mpn: Cx58b
• model: B W Cx58b
• part type: Capacitor
• country of origin: United States

general vintacapacitor:

• Vintage Audio Video > Vintage Parts Accessories > Vintage Capacitors
• condition: New

offer vintacapacitor:

• quantity: 1
• sold: 0
• options: Ship-to-home
• availability: In Stock
• started: February 3, 2026

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• method: Money back
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• policy: Returns Accepted

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• # reviews: 2889
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• city: Saint Paul, Minnesota

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