24 VDC Brushless Cooling
The SUNON KD2406PTB1 is a 24 VDC brushless axial cooling fan from the KD series. Its manufacturer specification identifies an operating voltage range of 20.4-27.6 VDC.
Technical specifications, features, applications and purchasing information.
| Brand | SUNON |
| Model Number | KD2406PTB1 |
| Product Category | DC Axial Fan |
| Nominal Dimensions | 60 x 60 x 25 mm |
| Rated Voltage | 24 VDC |
| Operating Voltage Range | 20.4-27.6 VDC |
| Starting Voltage | 16 VDC |
| Rated Current | 0.11 A |
| Rated Power Consumption | 2.6 W |
| Weight | 60 g |
The SUNON KD2406PTB1 is a 24 VDC brushless axial cooling fan from the KD series. Its manufacturer specification identifies an operating voltage range of 20.4-27.6 VDC.
The fan features a nominal 60 mm square frame with a 25 mm depth. Its manufacturer drawing specifies 50 mm mounting-hole spacing for compatible equipment installations.
The SUNON specification D600036 identifies a rated speed of 5100 RPM with a tolerance of ±400 RPM. The documented rated current is 0.11 A and power consumption is 2.6 W.
The manufacturer specifies 22.1 CFM airflow and 0.22 inH2O static pressure, providing defined performance values for evaluating compact forced-air cooling requirements.
The fan incorporates a precision ball bearing system and PBT thermoplastic frame and impeller materials with a UL 94V-0 flammability classification. Its published acoustical noise level is 34.3 dB(A).
The manufacturer documents polarity protection and locked rotor protection. The standard electrical arrangement uses two DC power leads, with red for positive and black for negative.
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What is SUNON KD2406PTB1?
KD2406PTB1 is a SUNON KD-series DC brushless axial cooling fan with a nominal 60 x 60 x 25 mm housing and a rated voltage of 24 VDC.
What is the rated voltage of KD2406PTB1?
The manufacturer specifies 24 VDC, with an operating voltage range of 20.4-27.6 VDC and a starting voltage of 16 VDC.
What are the dimensions of KD2406PTB1?
The nominal dimensions are 60 x 60 x 25 mm. The manufacturer mechanical drawing specifies a frame width of 60 ±0.5 mm, thickness of 25.5 ±0.5 mm and mounting-hole spacing of 50 ±0.3 mm.
What is the rated current?
SUNON manufacturer specification D600036 identifies a rated current of 0.11 A for KD2406PTB1. A separately documented (2).GN configuration has a different current rating.
What is the rated power consumption?
The exact-model manufacturer datasheet specifies 2.6 W. DigiKey lists 2.0 W for the related KD2406PTB1 (2).GN configuration. Confirm which version is required before ordering.
What is the rated fan speed?
The manufacturer specifies 5100 RPM ±400 RPM for KD2406PTB1. The separately documented (2).GN configuration is rated at 4500 RPM.
What airflow does KD2406PTB1 provide?
Manufacturer specification D600036 identifies 22.1 CFM, approximately 37.6 m³/h. The separately listed (2).GN configuration is rated at 23.5 CFM.
What is the static pressure rating?
The manufacturer specifies 0.22 inH2O, approximately 54.8 Pa. The (2).GN distributor configuration has a separately listed pressure rating of 0.21 inH2O.
What bearing system does KD2406PTB1 use?
The manufacturer identifies a precision ball bearing system. This distinguishes the PTB1 fan from related sleeve bearing PTS configurations.
What is the acoustical noise level?
The manufacturer's D600036 specification identifies 34.3 dB(A) under its documented free-air test conditions. The (2).GN distributor configuration is separately listed at 34.5 dB(A).
How is KD2406PTB1 electrically connected?
The manufacturer drawing specifies two DC power leads using UL 1007 26 AWG wire, with red for positive and black for negative. The documented lead length is 300 ±30 mm. Verify the supplied connector and termination before installation.
What should be checked before ordering KD2406PTB1?
Verify the complete SUNON model number and suffix, 24 VDC supply, 0.11 A rated current, 2.6 W power, 60 x 60 x 25 mm nominal dimensions, 50 mm mounting-hole spacing, precision ball bearing, lead polarity, connector termination, airflow direction and cooling performance. KD2406PTB1 (2).GN, KD2406PTB2, KD2406PTS1 and KDE2406PTB1 have separately documented performance characteristics and should not automatically be substituted.
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