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Similar Ebm Past DC Centrifugal Fan With Ventilating Units 225mm 1000m³/H
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Brand Name:OFAN
Model Number:LD225N-24D3-00
Certification:CE,UL,3C
Price:$10~30/pcs
Payment Terms:L/C, T/T
Supply Ability:10000pcs20days
Delivery Time:5-8 word days
Company Data
Site Member
Contact Person
Walter Chen
Business Type:
Manufacturer
Officials:
Jinhe Industrial Zone, First Road of Huanjiao, Shijing Town, Baiyun District, Guangzhou, 510425, China
Quality:
Quality Certifitation Available
Product Details
Company Profile
Product Details
Similar Ebm-past 225mm DC Centrifugal Fan With Ventilating Units
| Listed Model | Rated Voltage | Operation Voltage | Rated Current | Power | Rated Speed | Air Flow | Air Flow | Air pressure | Noise Level |
| Part NO. | VDC | VDC | A | W | RPM | m³/h | CFM | mmH2O | dBA |
| LD225N-48D3-00 | 48 | 36~56 | 1.85 | 88 | 2500 | 1000 | 592 | 41.5 | 65 |
| LD225N-48D3-01 | 48 | 36~56 | 2.4 | 115 | 2700 | 1100 | 650 | 36.8 | 65 |
| LD225N-24D3-00 | 24 | 16~32 | 4 | 96 | 2500 | 1000 | 592 | 41.5 | 65 |
Brushless dc fan use a permanent magnet excitation, eliminate the loss of induction motor excitation currents; realizing the small loss an high efficiency characteristics
Compared with the frequency control of induction motor, brushless
dc ,motor is simpler and more controllable, easy to perform control
The components, such ac inverters etc, whose capacity is low, and
circuit are simpler, the cost lower than ec blower’s
Furthermore, the electronically commutated motors are extremely
quiet and operate at efficiencies of
up to 90 %. Thus they attain significantly higher values than most
voltage-controlled asynchronous
motors, which have typical efficiencies of between 30 % and 60 %.
At the same operating point, therefore,
the power consumption of the EC fans is considerably less.
With integrated motor electronics, the EC fans can be easily speed
controlled via a 0-10 V signal or by
the use of a potentiometer. As an option up to three air flow
values can be programmed in "Constant
Flow" mode.
OFAN provides the most comprehensive services, includes: product diversification, against the clock delivery, documents support, and technical consulting service. “Customer is partner” is key to our success; ”Win the contract for customer” is our ultimate goal.
Additional Functions
Constant pressure : Used in conjunction with a pressure sensor, the
fan maintains the same pressure at varying airflow (ideal for
ducted applications).
Operates with forward curved centrifugal fans without pressure sensor and with backward curved motorised impellers with pressure sensor (Available on Ecofit fans).
Constant airflow : The fan maintains the same airflow at varying
pressure (ideal for filtered applications) (Available on Ecofit
fans).
0-10VDC / PWM output : EC motors can be controlled by a simple,
standard 10kOhms potentiometer on the integrated 0-10VDC output
(Available on both Ecofit & Rosenberg fans)
Hall effect : A tachometric output is available, which can be used
for an optional alarm relay (Available on both Ecofit &
Rosenberg fans)
Ventilation system in houses and buildings
Air-conditioning system in busses and yachts
FFU(Fan Filter Unit)and clean room system
Electronic oven, burner, constant temperature cabinet, medical instrument, sterilizer and desiccator
Company Profile
Ofan Electric Co., Ltd
Guangzhou OFAN Electric Co., Ltd is One of High-tech enterprises in Guangdong Province of China
dominant high-tech manufacturing enterprise。
High-tech enterprises licences issue by government
Have 17 patents of chineses Nationa Technical innovation lincense.
17 Chinese Invention Patent
OFAN ELECTRIC CO.,LTD specialized in External rotor motor fans,
DC/EC brushless motors,In-line Duct fans, AC / DC / EC Axial fans, Centrifugal fans,
Blowers, Inline silence fan, Fresh air ventilator and so on. With
the feature of good design, high efficiency, low noise and space
saving, products were widely used in HVAC system, BTS, ventilation
appliance, air cooler and some precise instrument.
Founded in 2003 with an area of 16,000 square meters, OFAN ELECTRIC
have accomplished superior technical strength, advanced testing
equipment and perfect quality management system. She hired
technical elites in electric motor fields, progress toward a higher level energy-saving and intelligence and have successively obtained ISO2000, CCC, CE and ROHS
certificates. OFAN Electric deserved to be the high-tech
enterprises in Guangdong Province.
Adhering by “leading by technology, basing on quality and
respecting all customers”, we have developed many credible
customers from Europe, North America, Australia, Middle East, South
Asia as well as domestic market.
Innovation, perfect quality, impeccable service and top-leading
manufacture is our willingness, with these motivation, we will be outstanding and successful in the competitive market.
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