technical description
Steel-grid fixed resistor unit, degree of protection IP 23 with weatherproof roof, for outdoor location, air outlet at the side via air deflectors in the upper area.
In completely closed zinc sheet enclosure with barrier grid at the bottom and powered ventilation by an integrated ventilator. With air flow monitoring by wind indicator relay. Ceramic insulated flat or bolt terminals of 35A up to 400A or copper bars in variable combinations available.