Huge rare Kenotron RAY tube 150Kvt Tube NOS Vacuum Rectifier Tube For Sale

FOR SALE – 1 pc. KRM-150 (КРМ-150) High Voltage Kenotron Rectifier Tube — NOS

Original KRM-150 Soviet high-voltage kenotron (vacuum rectifier tube), designed for use in high-voltage power supplies, ray equipment, industrial and laboratory installations, and radiation detection systems.

Tube is new old stock, unused, and in excellent condition.
Ideal for restoration projects, high-voltage lab builds, and collectors of vintage Soviet electronic components.

NOT For medical use.

⚙️ PRODUCT SPECIFICATIONS – KRM-150 KenotronGeneral Characteristics

• Tube Type: High-voltage vacuum rectifier (Kenotron)

• Model: KRM-150 (КРМ-150)

• Rectification Type: Single-anode high-voltage rectifier

• Application: AC to DC rectification in high-voltage circuits

Electrical Characteristics

• Maximum Rectified Voltage: up to 150 kV

• Maximum Rectified Current: up to 50 mA

• Heater Voltage: 6.3 V

• Heater Current: approx. 6.0 A

• Operating Mode: Half-wave rectification

• Designed for continuous operation in high-voltage equipment

Performance Features

• Stable rectification at high voltage

• High insulation strength

• Long service life for industrial, laboratory, and medical use

• Typical of Soviet-era high-voltage tube engineering

🌡️ Environmental Characteristics

• Operating Temperature Range: −40 °C to +50 °C

• Suitable for laboratory, industrial, and technical environments

🧱 Physical Characteristics

• Glass envelope

• Large high-voltage tube format

• Metal/ceramic base

• Robust construction typical of Soviet high-voltage tubes

📦 What’s Included

• 1 × KRM-150 (КРМ-150) Kenotron Rectifier Tube

• Original factory packaging (if shown in photos)

Item will be securely packed for safe international air mail shipping.

🚚 Shipping & Handling

• Ships within 1–2 business days

• Carefully double-packed to prevent damage

• Worldwide shipping with tracking

• Typical delivery time: 12–21 days (depends on destination)

🔁 Returns

Returns accepted only if the item is not as described.
Please contact the seller before returning.

Handling time is 5 days, but usually i ship much faster 1-2 days, as i have all items in stock. Despite the war in Ukraine post works well and all items are delivered quite fast. I am responsible for safe delivery of purchased items, so please buy with confidence.