Elta Spa250 2-1ac Raptor Plate Axial Fan Single Phase Ac - 250mm

The elta spa250 2-1ac is a 250mm raptor plate mounted axial fan with a fast running 2 pole motor, moving up to 1584 m h in free air and still delivering 986 m h against 100 pa. That makes it the strongest 250mm raptor on pressure, so it copes with a grille, a short duct or a louvre shutter far better than the 4 pole version.It runs on a single phase 220-240v ac external rotor motor at 2119 rpm, insulated to class f with integral thermal overload protection, drawing 125 w and 0.57 A. The mild steel plate is powder coated telegrey ral 7045 , the motor is weatherproofed to ip44, an ip55 terminal box is fitted, and elta give a 12 month warranty. 1 Phase ac motor up to 1584 m h speed controllable what it is best used forsmall through-wall or panel extract where a 250mm hole is all there is room for but the air has to push through a grille, shutter or a short run of duct: plant rooms, small workshops, stores, toilet blocks, bin stores and changing rooms in schools and sports centres. At 1584 m h it gives about 10 air changes an hour in a room of 158 m , for example 9m x 7m with a 2.5M ceiling.It is the louder choice at 50 db a at 3m because of its 2 pole speed, so it is not ideal next to offices or classrooms where a quieter fan would do. It is also not suitable for corrosive or explosive atmospheres, and for longer duct runs an inline mixed flow fan is the better option.Why choose this over alternativesthe 250mm raptor comes in two speeds. The elta spa250 4-1ac is the quiet 4 ...

The elta spa250 2-1ac is a 250mm raptor plate mounted axial fan with a fast running 2 pole motor, moving up to 1584 m h