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This is a listing for a Vintage Variac General Radio Company The adjustable Transformer Type 200B it was pulled from a working variable transformer average sold price on eBay is $76.00 plus shipping

We have 1 of these from a commercial dealer we got parts from also listed and lots of other good electronic surplus items. We have a huge inventory of PC Legacy parts of all types, and surplus items from HP, Compaq, Dell, & Gateway in our storage. Email us with any special requests. We accept Paypal, Mastercard, & Visa.

The General Radio Type 200B Variac is a classic, vintage, panel-mounted variable autotransformer originally designed for laboratory and industrial applications.

Core Specifications

Manufacturer: General Radio Company
Power Rating: 170 VA
Input (Primary) Voltage: 115V AC (Compatible with standard 115V/120V mains)
Output Voltage: Dual-connection arrangements provide:
- 0–115V AC (Line voltage matching)
- 0–185V AC (Over-voltage step-up boost)
Current Rating: 1.0 Ampere continuous (up to a 1.5 Amperes maximum peak load)
Frequency: 50 to 60 Hz
Phase: Single-phase

Physical & Mechanical Details

Construction: Open-frame, compact design optimized for panel mounting or vintage test-bench integration.
Dimensions: Approximately 4" × 3" × 3".
Control Features: Features an optional adjustable stop to limit wiper travel. The direction of rotation for increasing voltage is completely reversible depending on how it is wired.
Terminals: Screw-terminal plate mapping out distinct circuits and connection choices