• SPG OBS-7820 BLDC Centrifugal Blowers (150-480 CMH, 310 VDC)
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SPG OBS-7820 BLDC Centrifugal Blowers (150-480 CMH, 310 VDC)

SPG OBS-7820 BLDC Centrifugal Blowers (150-480 CMH, 310 VDC)

SPG OBS-7820 series are centrifugal (sirocco) blowers driven by a brushless DC motor with built-in drive PCB. They run from a 310 VDC bus with 15 VDC control voltage and an analog speed command.

Key features

  • Brushless DC motor with internal drive PCB
  • Variable speed via 0-Vsp analog speed input
  • Air flow up to 561 CMH free-blowing
  • High efficiency for ventilation and heat-recovery units
  • Insulation class E
  • Flange mounting with 4 x 7.0 mm holes

Specifications

Product type BLDC centrifugal blower
Motor supply (Vm) 310 VDC
Control voltage (Vc) 15 VDC
Speed command (Vsp) 2.5 to 3.3 VDC (rated point)
Air flow 150 to 480 CMH at rated static pressure
Static pressure 8 to 20 mmAq at rated point
Insulation class E
Drive PCB Internal
Wiring Vm, Vc, Vsp, GND, FG lead wires
Source SPG Brushless Motor datasheets (OBS-7820)
OBS-7820-A1875A Max flow: 561 CMH @ 1363 rpm | Duty: 480 CMH @ 8 mmAq | Input: 108.3 W | Supply: 310 VDC, Vsp 3.3 V
OBS-7820-A1460A Max flow: 499 CMH @ 1598 rpm | Duty: 350 CMH @ 20 mmAq | Input: 97.5 W | Supply: 310 VDC, Vsp 2.8 V
OBS-7820-C1463A Max flow: 390 CMH @ 1687 rpm | Duty: 250 CMH @ 15 mmAq | Input: 59.3 W | Supply: 310 VDC, Vsp 2.5 V
OBS-7820-A1350A Max flow: 195 CMH @ 2346 rpm | Duty: 150 CMH @ 12 mmAq | Input: 55.3 W | Supply: 310 VDC, Vsp 2.7 V
FansSPG
4 product codes available in this family
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SPG OBS-7820 BLDC Centrifugal Blowers (150-480 CMH, 310 VDC)

Brand SPG·Fans

Available part numbers (4)

OBS-7820-A1875A, OBS-7820-A1460A, OBS-7820-C1463A, OBS-7820-A1350A

How to order

Send the SPG part numbers and quantities through our RFQ form or to info@prosourcemro.com. We confirm price, availability and lead time within 1 business day — no account needed.

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Product codes & specifications
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Product codeSpec
OBS-7820-A1875AMax flow: 561 CMH @ 1363 rpm | Duty: 480 CMH @ 8 mmAq | Input: 108.3 W | Supply: 310 VDC, Vsp 3.3 V
OBS-7820-A1460AMax flow: 499 CMH @ 1598 rpm | Duty: 350 CMH @ 20 mmAq | Input: 97.5 W | Supply: 310 VDC, Vsp 2.8 V
OBS-7820-C1463AMax flow: 390 CMH @ 1687 rpm | Duty: 250 CMH @ 15 mmAq | Input: 59.3 W | Supply: 310 VDC, Vsp 2.5 V
OBS-7820-A1350AMax flow: 195 CMH @ 2346 rpm | Duty: 150 CMH @ 12 mmAq | Input: 55.3 W | Supply: 310 VDC, Vsp 2.7 V

Need a different model, or a part not listed here? Send us your parts list →

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