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The Colossus Electronic Ballast is specifically designed for double-ended lamps.
This ballast is suitable for HPS/400V and LEC 630 bulbs.
It features a microprocessor control that maintains the lamp's lumen level longer than traditional ballasts. It has a low start-up time of only 3 A per unit and IP43 protection. It operates quietly and is very lightweight, allowing it to be wall-mounted. It also features thermal and circuit protection. Intelligent digital "soft-start" technology. Best results are achieved when combined with Solux 600 and 1000 W lamps.