1.For outdoors installation 2.Have unique features 3.Low temperature rise 4.Good cooling performance Application:For outdoors installation and light-dust working site.Features:The coils have unique features like anti-oxidation, anti-dust, good insulation; Large heat releasing area, low temperature rise, good cooling performance, etc. Optional magnetic force at SHR: 500Gs, 700Gs, 1200Gs, 1500Gs or ...