Elta STDL500-3EC Twinflow Centrifugal Box Fan Three Phase EC - 500mm (circular spigots)
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We started tracking this price on 28 Oct 2026. The chart fills in as prices change, so you can see whether today’s price is a good one.
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About this product
The Elta STDL500-3EC is a Twinflow duty/standby centrifugal box fan for 500mm duct systems, with circular spigots. Two backward curved fans sit side by side in one acoustically lined case: one runs, the other waits on standby. At full speed it moves up to 6264 m³/h free air, about 5760 m³/h at 100 Pa, and still delivers 3373 m³/h against 500 Pa.Each fan has an IP44 EC external rotor motor (380 to 480V three phase, 50/60Hz) with sealed for life bearings, and the case is 1.2mm galvanised mild steel. An auto changeover panel (149-ACO3/BDV) is fitted as standard, switching to the standby fan if the duty fan fails and sharing run hours between the two. Speed is set by the built in commissioning potentiometer or a 0-10V signal, and Elta give a 12 month (1 year) manufacturer warranty. 3 Phase EC Motor Up to 6264 m³/h Speed Controllable What it is best used forThe biggest Twinflow in the range, …
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