4 inch IEquipment Centrifugal Fan For Humidifier 24V DC 100x25mm
USD $5 - $11 /Piece
Min.Order:500 Pieces
Shenzhen Topfan Technology Development Co., Ltd.
4 inch IEquipment Centrifugal Fan For Humidifier 24V DC 100x25mm
Description:
Various Size
High speed , Middle speed, Low speed
Plastic Frame or Die-Cast Aluminum Frame and Plastic impeller
5 blades 7 blades or 9 blades
12V DC 24V DC or 48V DC
Ball bearing or Sleeve bearing or Hydraulic bearing
Terminal or Lead wire
Waterproof explosion proof or high proof are can be satisfied.
A: ELECTRICAL
Standard operating condition is 25℃, 65%RH ambient, unless otherwise specified.
| Item | Specification | Test Condition |
1 | Rated Voltage | 12V ±10% | DC power supply |
2 | Rated Current | 1.00Amp (Typical) | DC power supply at Rated Voltage |
4 | Rated Power | 12W | At Rated Voltage. |
5 | Starting Voltage | 15V (Max.) | DC power supply |
7 | Speed | 4800RPM ±5% | Measured at 5 minutes after starting under 25±5℃, 65±5%RH ambient |
8 | Acoustical Noise | 59dB(A)(measurement tolerance ± 5 dBA) | Measured at typical speed with an acoustic microphone 1 meter away from the fan intake in a test chamber with background noise level below 18dB(A) |
9 | Static Pressure | 25.27mm-H2O | Refer to PERFORMANCE CHART ITEM 9 at zero airflow.
|
10 | Air Flow | 46.43CFM | Refer to PERFORMANCE CHART ITEM 9 at zero static Pressure.
|
11 | Direction of rotation | Counter-anticlockwise | DC power supply, viewed from impeller. |
12 | Noise test | 25dB-A |
B: (Main Materials, Parts Specification):
Bearing | √ (Dual Ball Bearing) | ◊ | (Sleeve Bearing) | |||||||
Frame | √ | PBT of UL94V-0. | ◊ | Die-cast Aluminum Alloy | ||||||
Impeller | √ | PBT of UL94V-0. | ◊ | Steel | ||||||
Bobbin | PBT of UL94V-0. | |||||||||
Lead Wire | √ | Red(+) | √ | Black(-) | ◊ | Blue(PWM) | UL 1571 28# | |||
◊ | Yellow(FG) | ◊ | White(RD) | 2 wires 100±10mm | ||||||
Connector | No | |||||||||
Tube | No |
C: Electrical Specification:
ITEM |
| Specification. Condition | |||
Locked Rotor Protection | ◊ | Safety Condition | |||
| Auto power off after locked at rated voltage for 1sec | ||||
Polarity Protection | √ | Open circuit when Vcc&GND are exchanged | |||
◊ | Circuit won’t be burned within 5 seconds when Vcc &GND are exchanged | ||||
Insulation Resistance | 10MΩ Between unshielded wire and frame at 500VDC/min | ||||
Dielectric Strength | 5mA Max/ Measured b/w lead wire(+)and frame at 500VAC/min | ||||
Special Function | ◊ | Soft Start | ◊ | Current Limiter |