Product Description
Delnetics 310059A Filament Transformer – High-Current, High-Voltage Isolation, Multi-Tap Input
This used Delnetics 310059A is a specialized filament transformer designed for high-voltage tube applications requiring substantial filament current with exceptional insulation. Delnetics is recognized for manufacturing high-quality transformers and power conversion equipment for industrial, medical, and research applications.
Key Specifications
| Specification | Details |
|---|---|
| Manufacturer | Delnetics Corporation |
| Model | 310059A |
| Type | Filament transformer (high-voltage isolation) |
| Primary Input | 120/208/240 VAC (selectable taps), 50/60 Hz |
| Secondary Output | 10 VCT (center-tapped) @ 70 Amps RMS |
| Isolation Voltage | 15 kVDC (kilovolts DC working) |
| Configuration | Center-tapped secondary for full-wave rectification |
| Current Capacity | 70 Amps RMS – substantial for high-power tubes |
| Construction | [Likely encapsulated or open-frame with HV insulation] |
| Applications | Vacuum tube filaments, high-power RF amplifiers, industrial processing |
Features & Benefits
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High Current Capacity: 70 Amps RMS supports demanding tube filaments
-
15 kV Isolation: Withstands extreme voltage differentials between filament and cathode
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Multi-Tap Primary: 120/208/240V input flexibility for various installations
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Center-Tapped Secondary: Enables full-wave rectification for DC filament supplies
-
50/60 Hz Operation: Suitable for international use
-
Industrial Grade: Built for continuous duty in demanding environments
Applications
-
High-Power RF Amplifiers: Filament supply for broadcast, industrial, and scientific tubes
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Vacuum Tube Equipment: Powering filaments in high-voltage circuits
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Industrial Processing: Electron beam welders, X-ray equipment, RF heating
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Research: Laboratory high-voltage experiments
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Medical: X-ray generators and therapy equipment
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Defense/Aerospace: Radar and communications tube equipment
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Amateur Radio: High-power linear amplifier construction
Condition
SOLD AS IS
USED – SHOWS NORMAL WEAR (scuffs, minor marks)
ELECTRICAL NOT TESTED
NO MOUNTING HARDWARE INCLUDED
PICTURE MAY NOT MATCH PRODUCT
⚠ HIGH VOLTAGE WARNING: This transformer provides 15kV isolation and should only be used by qualified personnel familiar with high-voltage safety practices. The secondary operates at high potential relative to ground when installed in typical circuits.


