Toroidal Power Transformer.

Toroidal isolating Transformers 200va Power

Cantonape 500W Voltage Transformer, 220/240 Volts to 110/120V Step Up Step Down

Bronson++ Ti 200 Toroidal Core Transformer Voltage Converter, Step Up/Down

( ONE ) Toroidal Power Supply Transformer dual 18 vac @ 170va output / 120vac

Nuvotem Talema Toroidal power Transformer - Rare & Discontinued - 91527 PS2S

Hammond Mfg TRANSFORMER TOROIDAL POWER 1182Q240P

BADGER TOROIDAL POWER TRANSFORMER 601-11029 REV C 600VA 5amps