General Purpose Lighting Choke – TC-300

  • SKU: TC-300
  • Stock Status: In stock

$825.00

Product Ships in 1-2 Weeks.

The LBA Technology TC-300 General Purpose Lighting Choke is designed for series-fed AM towers to pass tower lighting voltages across the base insulator while maintaining proper RF performance.

Configured for 110/220 VAC operation with a 20 amp current rating, the TC-300 is designed to withstand RF voltages up to 10,000 volts. It provides a minimum reactance of +j5000 ohms at 530 kHz to help preserve tower impedance and minimize RF interaction within the lighting circuit.

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Product Description

The TC-300 General Purpose Lighting Choke from LBA Technology provides a reliable solution for routing lighting power across the base insulator of series-fed AM broadcast towers while maintaining proper RF performance.

Designed for 110/220 VAC applications with a current rating of 20 amps, the TC-300 withstands RF base voltages up to 10,000 volts. It presents a minimum reactance of +j5000 ohms at 530 kHz, helping preserve tower impedance and minimize RF interaction within the lighting circuit.

For reliable service, the TC-300 should be installed in a protected or indoor environment. An optional outdoor mounting cabinet is available for installations requiring environmental protection.

For additional information or assistance, please contact our team at onesource@lbagroup.com.

Features:

  • High Voltage Handling: Rated for RF voltages up to 10,000 volts.
  • AC Operation: Designed for 110/220 VAC applications with a 20 amp current rating.
  • Impedance Stability: Provides a minimum reactance of +j5000 ohms at 530 kHz to help maintain proper tower RF performance.
  • Frequency Range: Operates across the AM broadcast band (530–1710 kHz).
  • Compact Form Factor: Overall dimensions of 12.25 in length × 6.5 in diameter.
  • Installation: Intended for protected or indoor installation.
  • Outdoor Option Available: Compatible with an optional outdoor mounting cabinet for environmental protection.
  • Made in USA: Engineered and manufactured by LBA Technology for AM broadcast reliability.

Specifications:

  • Catalog Number: TC-300
  • Frequency: 530–1710 kHz
  • AC Voltage: 110/220 VAC
  • AC Current: 20 Amps
  • RF Voltage – Maximum: 10,000 Volts
  • Minimum Reactance @ 530 kHz: +j5000 Ohms
  • Bypass Capacitors: Four capacitors are installed on each winding
  • Installation: Indoor or protected area
  • Optional System: TCC-1 Outdoor Kit (with cabinet and feed-through insulator)
  • Length: 12.25 in
  • Diameter (Overall): 6.5 in
  • Weight: 11 lb

Applications:

  • AM broadcast tower lighting systems
  • Series-fed tower installations
  • RF isolation in high-voltage transmission structures
  • Antenna base and tuning unit integration