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EC (Electronically Commutated) fans represent the future of industrial ventilation, delivering up to 70 percent energy savings compared to conventional AC alternatives while providing variable speed control and longer service life. The EC fan category encompasses EC axial fans for high-flow low-pressure applications, EC centrifugal blowers for high-pressure ductwork and filtration, and compact EC fans for space-constrained electronic equipment. All EC fans use permanent magnet brushless DC motors with integrated inverters, enabling direct connection to AC mains power while achieving DC-level efficiency and variable speed capability via PWM, 0-10V, or bus control signals. Leading EC fan manufacturers include ebm-papst (the global EC technology pioneer with GreenTech and AxiEco series), ZIEHL-ABEGG (ZAplus EC range), and Rosenberg (EC fan series). EC fans are now mandatory in many energy-conscious regions for new HVAC installations and are rapidly replacing AC fans in retrofit projects. Hengrui supplies EC fans from all major brands with energy consumption calculators and engineering support to demonstrate the ROI of EC technology adoption.

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Mfr Part #	Rated Voltage(V)	Size(mm)	Max.Air Flow(m³/h)	Max.Pressure(Pa)	Input Power(W)	Speed(rpm)	Noise(db)

GTB040PUD26R-M002 \| Delta Electronics 400VAC 640W EC Centrifugal Fan for Server Cooling GTB040PUD26R-M002 is a 400VAC EC centrifugal fan for server ventilation. Its supplied 404 mm diameter and 256.6 mm depth accompany a 1850 rpm speed, with 6004.4 m3/h maximum airflow listed.	400	φ404*256.6	6004.4	755	640	1850	79
GTB023EUG10R-VE1 \| Delta Electronics 230VAC 135W EC Centrifugal Fan for Server Cooling For server cooling, GTB023EUG10R-VE1 combines nominal 230VAC EC centrifugal fan operation with 0-10V/PWM speed control. The PDF specifies 135 W at free air and 180 W at maximum load, clarifying its power profile.	230	φ225 x 99	1259.7	650.1	135	3000	72
GTB031FUC20R N1 \| Delta Electronics 1~230VAC 530W EC Centrifugal Fan for Server Cooling GTB031FUC20R N1 is a nominal 230VAC EC centrifugal fan for server cooling. RS485 control and voltage/current monitoring are documented in its PDF, alongside 3014 m3/h maximum airflow and a 2500 rpm speed.	1~230	310	3014	74	530	2500	74.5
GTW012FU804-U00 \| Delta Electronics 220VAC 11W EC Axial Fan for Server and Precision Cooling GTW012FU804-U00 brings EC axial operation to a 120 x 120 x 38 mm server-cooling format. With 220VAC listed in the supplied table, the fan is specified at 4200 rpm and 246.5 m3/h maximum airflow.	220	12012038	246.5	112.1	11	4200	54.9
GTW040FUC15E-M001 \| Delta Electronics 230VAC 330W EC Axial Fan for Server and Precision Cooling GTW040FUC15E-M001 combines EC axial fan cooling with a nominal 230VAC supply for server and precision equipment. Its listed 5350 m3/h maximum airflow and 1650 rpm speed define this model's ventilation profile.	230	φ528 x 154	5350	198	330	1650	72
GTW017EUB12 \| Delta Electronics 1~200-240VAC 240W EC Axial Fan for Server and Precision Cooling GTW017EUB12 is an EC axial fan for server and precision cooling with a specified 200-240VAC input. Its PDF documents 0-10V/PWM speed control and a fan-speed signal, alongside a 5800 rpm rating.	1~200-240	200 x 122	1177	844	240	5800	70.5
GTW080PUR22E \| Delta Electronics 3~380-480VAC 2200W EC Axial Fan for Server and Precision Cooling GTW080PUR22E offers EC axial fan airflow for server and precision cooling at nominal 400VAC. The PDF specifies 0-10V/PWM and RS485 control, with 25077 m3/h maximum airflow and a rated 1020 rpm speed.	3~380-480	788	25077	-	2200	1020	-
GTW063HBK21E-M001 \| Delta Electronics 3~230/400VAC 670W EC Axial Fan for Server Cooling GTW063HBK21E-M001 is listed as an EC axial fan for server cooling on three-phase 230/400VAC. Its supplied 805 x 805 x 225 mm dimensions and 1200 rpm speed define the mechanical and operating selection points.	3~ 230/400	805805225	13218	212	670	1200	76
GTM031PHJ22M \| Delta Electronics 400VAC 1000W EC Centrifugal Fan for Server and Precision Cooling At 3060 rpm, GTM031PHJ22M provides an EC centrifugal fan format for server and precision cooling. This 400VAC model lists 1035 Pa maximum pressure and 1000 W input, with maximum airflow specified as 3704 m3/h.	400	400	3704	1035	1000	3060	81
GTM045PUV36R-V001 \| Delta Electronics 400VAC EC Centrifugal Fan for Server and Precision Cooling The GTM045PUV36R-V001 is a 400VAC EC centrifugal fan for server and precision cooling. Its documented 450 mm size defines the mechanical selection point; suffix-specific control details need confirmation.	400	450	-	-	-	-	-
GTM063PBU41R \| Delta Electronics 3~380-480VAC 4200W EC Centrifugal Fan for Server Cooling GTM063PBU41R is an EC centrifugal fan listed for server cooling on three-phase 380-480VAC. The 630 mm format is specified at 1800 rpm, with 20592 m3/h maximum airflow and a 4200 W input rating.	3~ 380-480	630	20592	-	4200	1800	-
GTM036PUS32R \| Delta Electronics 400VAC 3650W EC Centrifugal Fan for Server and Precision Cooling With 2585 Pa listed maximum pressure, GTM036PUS32R is an EC centrifugal fan option for server and precision cooling. Its 400VAC drive is rated at 3650 rpm, in an assembly measuring 500 x 500 x 365 mm.	400	500 x 500 x 365	8602	2585	3650	3650	90
GTB050PUT33R E1 \| Delta Electronics 400VAC 3100W EC Centrifugal Fan for Server Cooling GTB050PUT33R E1 pairs a 500 mm centrifugal fan format with EC drive for server ventilation. The 400VAC model lists 12286 m3/h maximum airflow and 1145 Pa maximum pressure, with 3100 W input specified.	400	500	12286	1145	3100	-	-
GTB036PCN25R-M E1 \| Delta Electronics 3~200-240VAC 735W EC Centrifugal Fan for Server Cooling GTB036PCN25R-M E1 is an EC centrifugal fan for server cooling, rated at three-phase 230/400VAC. Its PDF documents 0-10V, PWM and 4-20mA inputs plus RS485 Modbus, providing several control-interface choices.	3~ 200-240	φ360 x 251	5362	880	735	2250	81
GTB036PUD25E N1 \| Delta Electronics 400VAC 1000W EC Centrifugal Fan for Server Cooling GTB036PUD25E N1 is a 400VAC EC centrifugal fan for server cooling. A listed 919 Pa maximum pressure complements its 360 x 250 mm envelope and 2200 rpm rating, supporting comparison of ducted cooling designs.	400	ψ360 x 250	5573	919	1000	2200	81
GTB063PUU38R-VHR3 \| Delta Electronics 3~380-480VAC 3700W EC Centrifugal Fan for Server Cooling For server cooling, GTB063PUU38R-VHR3 offers an EC centrifugal fan format with a listed 630 mm size. The supplied input range is three-phase 380-480VAC, with 20381 m3/h maximum airflow and 1807 Pa maximum pressure.	3~380-480	630	20381	1807	3700	-	-
GTW091PUU29E-V001 \| Delta Electronics 400VAC 4000W EC Axial Fan for Server and Precision Cooling GTW091PUU29E-V001 uses nominal 400VAC EC axial fan drive for server and precision cooling. The supplied PDF documents IP55 protection, 0-10V/PWM control and a maximum airflow of 34410 m3/h at the rated setup.	400	910	11906	364	4000	1260	86.3

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Bag packaging indicates that a specified quantity of product is packaged by the manufacturer in a bag, sealed pouch, or similar container and sold as a unit without repackaging. It is also used to describe kits/assortments where components are packaged in separate bags according to part number or parametric value, rather than in a compartmentalized box or similar rigid container.

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