{"id":69415,"date":"2023-06-05T15:42:36","date_gmt":"2023-06-05T13:42:36","guid":{"rendered":"https:\/\/www.refrigerantboys.com\/?post_type=product&#038;p=69415"},"modified":"2026-09-15T13:32:02","modified_gmt":"2026-09-15T11:32:02","slug":"450-mm-axial-exhaust-fan-with-protective-grille-230-v-4-pole-motor-1400-rpm-for-hvac-r","status":"publish","type":"product","link":"https:\/\/www.refrigerantboys.com\/en\/buy\/components-for-refrigeration\/axial-fans\/450-mm-axial-exhaust-fan-with-protective-grille-230-v-4-pole-motor-1400-rpm-for-hvac-r\/","title":{"rendered":"450 mm Diameter Inlet Axial Fan with Protective Grill \u2013 230V, 4-Pole, 1400 RPM Motor for HVAC\/R"},"content":{"rendered":"<p data-path-to-node=\"5\"><b data-path-to-node=\"5\" data-index-in-node=\"0\">Superior Airflow Performance and Mechanical Reliability for Large Air Volumes<\/b><\/p>\n<p data-path-to-node=\"5\">The \u00d8 450 mm axial fan is designed to ensure high energy efficiency in commercial and industrial applications where continuous heat dissipation is required. The 1400 RPM 4-pole external rotor motor assembly ensures smooth rotation and constant torque, allowing the aerodynamically profiled blades to easily overcome the back pressure generated by deep-finned heat exchangers or ventilation ducts.<\/p>\n<p data-path-to-node=\"6\">The <b data-path-to-node=\"6\" data-index-in-node=\"22\">suction<\/b> flow dynamics <b data-path-to-node=\"6\" data-index-in-node=\"22\">(Air Flow &#8220;S&#8221;)<\/b> draw air evenly across the heat exchanger&#8217;s radiating surface and expel it through the rear grille on the motor side, optimizing convective heat transfer and preventing hot air from stagnating near the unit.<\/p>\n<p data-path-to-node=\"7\"><b data-path-to-node=\"7\" data-index-in-node=\"0\">Strengths &amp; Advantages:<\/b><\/p>\n<ul data-path-to-node=\"8\">\n<li>\n<p data-path-to-node=\"8,0,0\"><b data-path-to-node=\"8,0,0\" data-index-in-node=\"0\">Optimized Intake Geometry (Air Flow S):<\/b> The dynamically balanced blade design minimizes intake turbulence and reduces overall noise at the same airflow rate.<\/p>\n<\/li>\n<li>\n<p data-path-to-node=\"8,1,0\"><b data-path-to-node=\"8,1,0\" data-index-in-node=\"0\">4-Pole External Rotor Motor (1400 RPM):<\/b> A compact and robust medium-speed design, engineered to reduce structural vibrations and ensure efficient and consistent power delivery over time.<\/p>\n<\/li>\n<li>\n<p data-path-to-node=\"8,2,0\"><b data-path-to-node=\"8,2,0\" data-index-in-node=\"0\">Integrated Safety Support Grille:<\/b> Made of sturdy electro-welded carbon steel wire and finished with an epoxy powder coating resistant to weathering and salt spray; it serves simultaneously as a safety barrier and an anchorage support.<\/p>\n<\/li>\n<li>\n<p data-path-to-node=\"8,3,0\"><b data-path-to-node=\"8,3,0\" data-index-in-node=\"0\">Long-Life Sealed Ball Bearings:<\/b> A sealed bearing system that does not require periodic lubrication, designed to withstand radial and axial loads in both horizontal and vertical flow configurations.<\/p>\n<\/li>\n<li>\n<p data-path-to-node=\"8,4,0\"><b data-path-to-node=\"8,4,0\" data-index-in-node=\"0\">Designed for Continuous Duty (S1):<\/b> A bimetallic thermal protection disc (thermal protector) is incorporated into the copper windings to isolate the circuit in the event of abnormal overloads or rotor lockup.<\/p>\n<\/li>\n<\/ul>\n<p data-path-to-node=\"10\"><b data-path-to-node=\"10\" data-index-in-node=\"0\">TECHNICAL SPECIFICATIONS<\/b><\/p>\n<table data-path-to-node=\"11\">\n<thead>\n<tr>\n<td><strong>Feature<\/strong><\/td>\n<td><strong>Specifications<\/strong><\/td>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td><span data-path-to-node=\"11,1,0,0\"><b data-path-to-node=\"11,1,0,0\" data-index-in-node=\"0\">Product Type<\/b><\/span><\/td>\n<td><span data-path-to-node=\"11,1,1,0\">External-rotor axial fan with support and protective grille<\/span><\/td>\n<\/tr>\n<tr>\n<td><span data-path-to-node=\"11,2,0,0\"><b data-path-to-node=\"11,2,0,0\" data-index-in-node=\"0\">Nominal Impeller Diameter<\/b><\/span><\/td>\n<td><span data-path-to-node=\"11,2,1,0\">\u00d8 450 mm<\/span><\/td>\n<\/tr>\n<tr>\n<td><span data-path-to-node=\"11,3,0,0\"><b data-path-to-node=\"11,3,0,0\" data-index-in-node=\"0\">Airflow Direction<\/b><\/span><\/td>\n<td><span data-path-to-node=\"11,3,1,0\">Intake \u2013 S (Air Flow: from the impeller toward the grille\/motor)<\/span><\/td>\n<\/tr>\n<tr>\n<td><span data-path-to-node=\"11,4,0,0\"><b data-path-to-node=\"11,4,0,0\" data-index-in-node=\"0\">Rated Voltage \/ Frequency<\/b><\/span><\/td>\n<td><span data-path-to-node=\"11,4,1,0\">230 V AC \/ 50\u201360 Hz (single-phase)<\/span><\/td>\n<\/tr>\n<tr>\n<td><span data-path-to-node=\"11,5,0,0\"><b data-path-to-node=\"11,5,0,0\" data-index-in-node=\"0\">Number of Poles<\/b><\/span><\/td>\n<td><span data-path-to-node=\"11,5,1,0\">4 poles<\/span><\/td>\n<\/tr>\n<tr>\n<td><span data-path-to-node=\"11,6,0,0\"><b data-path-to-node=\"11,6,0,0\" data-index-in-node=\"0\">Rated Rotational Speed<\/b><\/span><\/td>\n<td><span data-path-to-node=\"11,6,1,0\">~1,400 revolutions per minute (RPM)<\/span><\/td>\n<\/tr>\n<tr>\n<td><span data-path-to-node=\"11,7,0,0\"><b data-path-to-node=\"11,7,0,0\" data-index-in-node=\"0\">Operating Mode<\/b><\/span><\/td>\n<td><span data-path-to-node=\"11,7,1,0\">S1 (24\/7 continuous operation)<\/span><\/td>\n<\/tr>\n<tr>\n<td><span data-path-to-node=\"11,8,0,0\"><b data-path-to-node=\"11,8,0,0\" data-index-in-node=\"0\">Construction Materials<\/b><\/span><\/td>\n<td><span data-path-to-node=\"11,8,1,0\">Blades made of stamped sheet metal with high mechanical strength; powder-coated steel grille<\/span><\/td>\n<\/tr>\n<tr>\n<td><span data-path-to-node=\"11,9,0,0\"><b data-path-to-node=\"11,9,0,0\" data-index-in-node=\"0\">Mechanical Support<\/b><\/span><\/td>\n<td><span data-path-to-node=\"11,9,1,0\">Self-lubricating, sealed ball bearings<\/span><\/td>\n<\/tr>\n<tr>\n<td><span data-path-to-node=\"11,10,0,0\"><b data-path-to-node=\"11,10,0,0\" data-index-in-node=\"0\">Thermal Class \/ Insulation<\/b><\/span><\/td>\n<td><span data-path-to-node=\"11,10,1,0\">Class B\/F \u2013 Protection Rating IP44\/IP54<\/span><\/td>\n<\/tr>\n<tr>\n<td><span data-path-to-node=\"11,11,0,0\"><b data-path-to-node=\"11,11,0,0\" data-index-in-node=\"0\">Applications<\/b><\/span><\/td>\n<td><span data-path-to-node=\"11,11,1,0\">Large air-cooled condensers for refrigeration, water chillers, dry coolers, air handling units (AHUs), evaporators for industrial storage chambers, and air extraction booths<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n","protected":false},"excerpt":{"rendered":"<p data-path-to-node=\"2\">Heavy-duty axial electric fan with a <b data-path-to-node=\"2\" data-index-in-node=\"76\">450 mm diameter<\/b> impeller in an <b data-path-to-node=\"2\" data-index-in-node=\"102\">inlet<\/b> configuration <b data-path-to-node=\"2\" data-index-in-node=\"102\">(Air Flow S)<\/b>, powered by a single-phase, 4-pole, external-rotor motor rated at <b data-path-to-node=\"2\" data-index-in-node=\"186\">230 V \/ 50 Hz (1,400 rpm)<\/b>. Equipped with a circular safety guard made of steel round bar treated with an anti-corrosion finish. Designed to ensure high volumetric air flow rates and substantial static pressure for remote air-cooled condensers, refrigeration units, dry coolers, medium-capacity chillers, and industrial ventilation units.<\/p>\n<p data-path-to-node=\"4\">\n","protected":false},"featured_media":69017,"template":"","meta":[],"product_cat":[350,315],"product_tag":[],"acf":{"ai_note":""},"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v20.2 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>450 mm Diameter Inlet Axial Fan with Protective Grill \u2013 230V, 4-Pole, 1400 RPM Motor for HVAC\/R | Refrigerant Boys<\/title>\n<meta name=\"description\" content=\"Heavy-duty axial electric fan with a 450 mm diameter impeller in an inlet configuration (Air Flow S), powered by a single-phase, 4-pole, external-rotor motor rated at 230 V \/ 50 Hz (1,400 rpm). Equipped with a circular safety guard made of steel round bar treated with an anti-corrosion finish. Designed to ensure high volumetric air flow rates and substantial static pressure for remote air-cooled condensers, refrigeration units, dry coolers, medium-capacity chillers, and industrial ventilation units.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.refrigerantboys.com\/en\/buy\/components-for-refrigeration\/axial-fans\/450-mm-axial-exhaust-fan-with-protective-grille-230-v-4-pole-motor-1400-rpm-for-hvac-r\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"450 mm Diameter Inlet Axial Fan with Protective Grill \u2013 230V, 4-Pole, 1400 RPM Motor for HVAC\/R | Refrigerant Boys\" \/>\n<meta property=\"og:description\" content=\"Heavy-duty axial electric fan with a 450 mm diameter impeller in an inlet configuration (Air Flow S), powered by a single-phase, 4-pole, external-rotor motor rated at 230 V \/ 50 Hz (1,400 rpm). Equipped with a circular safety guard made of steel round bar treated with an anti-corrosion finish. 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Equipped with a circular safety guard made of steel round bar treated with an anti-corrosion finish. 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