Tronic Sodium Choke 400 Watts
TSh 4,500
Our review
The Tronic Sodium Choke 400 Watts is a magnetic ballast component intended for 400-watt sodium discharge lamps, the kind used in street lighting, security floodlights, and some horticultural rigs. It suits anyone maintaining or assembling that type of fixture rather than a general household buyer. Before ordering, confirm your lamp is genuinely a 400-watt sodium type and that your wiring and starter arrangement match the choke, since mismatched gear shortens lamp life. Compare it with electronic ballasts, which run cooler and lighter but cost more and can be fussier about voltage. The listing also mentions a 20-meter Snake Wire, so check whether that cabling is part of what you receive. Available on Sokonia.
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