The W4D400-CP12-31 is a high-performance axial fan manufactured by EBM PAPST, designed for efficient thermal management applications. This round fan features sickle-shaped blades (S series) with a single intake, housed in a robust fan housing with a guard grille, ensuring reliable operation in demanding environments.
Key Features
Size: 400 mm diameter
Type: AC axial fan with sickle-shaped blades
Single intake design for optimized airflow
Fan housing made of sheet steel, pre-galvanized and coated with black plastic (RAL 9005)
Blade material: Sheet steel, painted black
Number of blades: 5
Airflow direction: "A"
Rotation: Clockwise when viewed toward the rotor
Protection class: IP44 (installation- and position-dependent)
Insulation class: B
Motor: Three-phase, with ball bearings
Connection: Delta (Δ) and Star (Y) wiring options available
Max ambient temperature for motor: +80°C; Min: -40°C
Weight: 7.98 kg
Protection class: I (with customer connection of protective earth)
Conforms to EN 60335-1, CE approval, CCC approval
Electrical and Performance Specifications
Parameter
Values
Nominal Voltage
230 VAC / 400 VAC
Frequency
50 Hz / 60 Hz
Speed
1450 rpm (230 VAC), 1690 rpm (400 VAC)
Power Consumption
135 W (230 VAC), 185 W (400 VAC)
Current Draw
0.76 A (230 VAC), 0.44 A (400 VAC)
Max. Back Pressure
105 Pa (230 VAC), 120 Pa (400 VAC)
Max. Ambient Temperature
40°C
Min. Ambient Temperature
-25°C
Starting Current
3.0 A (230 VAC), 1.7 A (400 VAC)
Air Performance (50 Hz)
Speed (rpm)
Air Flow (m³/h)
Air Flow (CFM)
Pressure Increase (Pa)
Sound Power Level (dB)
1450
2595
2360
0
Measured according to ISO 13347
1435
3530
2080
35
1420
2965
1745
70
1410
2300
1355
100
Additional Details
Protection against moisture and environmental factors: H0+
Installation position: Shaft horizontal or rotor on bottom; rotor on top available upon request
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{"id":10013622698301,"title":"W4D400-CP12-31","handle":"w4d400-cp12-31","description":"\u003ch3\u003eProduct Description\u003c\/h3\u003e\n\u003cp\u003eThe \u003cstrong\u003eW4D400-CP12-31\u003c\/strong\u003e is a high-performance axial fan manufactured by \u003cstrong\u003eEBM PAPST\u003c\/strong\u003e, designed for efficient thermal management applications. This round fan features sickle-shaped blades (S series) with a single intake, housed in a robust fan housing with a guard grille, ensuring reliable operation in demanding environments.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eSize: 400 mm diameter\u003c\/li\u003e\n\u003cli\u003eType: AC axial fan with sickle-shaped blades\u003c\/li\u003e\n\u003cli\u003eSingle intake design for optimized airflow\u003c\/li\u003e\n\u003cli\u003eFan housing made of sheet steel, pre-galvanized and coated with black plastic (RAL 9005)\u003c\/li\u003e\n\u003cli\u003eBlade material: Sheet steel, painted black\u003c\/li\u003e\n\u003cli\u003eNumber of blades: 5\u003c\/li\u003e\n\u003cli\u003eAirflow direction: \"A\"\u003c\/li\u003e\n\u003cli\u003eRotation: Clockwise when viewed toward the rotor\u003c\/li\u003e\n\u003cli\u003eProtection class: IP44 (installation- and position-dependent)\u003c\/li\u003e\n\u003cli\u003eInsulation class: B\u003c\/li\u003e\n\u003cli\u003eMotor: Three-phase, with ball bearings\u003c\/li\u003e\n\u003cli\u003eConnection: Delta (Δ) and Star (Y) wiring options available\u003c\/li\u003e\n\u003cli\u003eMax ambient temperature for motor: +80°C; Min: -40°C\u003c\/li\u003e\n\u003cli\u003eWeight: 7.98 kg\u003c\/li\u003e\n\u003cli\u003eProtection class: I (with customer connection of protective earth)\u003c\/li\u003e\n\u003cli\u003eConforms to EN 60335-1, CE approval, CCC approval\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eElectrical and Performance Specifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eParameter\u003c\/th\u003e\n\u003cth\u003eValues\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNominal Voltage\u003c\/td\u003e\n\u003ctd\u003e230 VAC \/ 400 VAC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFrequency\u003c\/td\u003e\n\u003ctd\u003e50 Hz \/ 60 Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSpeed\u003c\/td\u003e\n\u003ctd\u003e1450 rpm (230 VAC), 1690 rpm (400 VAC)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Consumption\u003c\/td\u003e\n\u003ctd\u003e135 W (230 VAC), 185 W (400 VAC)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCurrent Draw\u003c\/td\u003e\n\u003ctd\u003e0.76 A (230 VAC), 0.44 A (400 VAC)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMax. Back Pressure\u003c\/td\u003e\n\u003ctd\u003e105 Pa (230 VAC), 120 Pa (400 VAC)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMax. Ambient Temperature\u003c\/td\u003e\n\u003ctd\u003e40°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMin. Ambient Temperature\u003c\/td\u003e\n\u003ctd\u003e-25°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eStarting Current\u003c\/td\u003e\n\u003ctd\u003e3.0 A (230 VAC), 1.7 A (400 VAC)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eAir Performance (50 Hz)\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eSpeed (rpm)\u003c\/th\u003e\n\u003cth\u003eAir Flow (m³\/h)\u003c\/th\u003e\n\u003cth\u003eAir Flow (CFM)\u003c\/th\u003e\n\u003cth\u003ePressure Increase (Pa)\u003c\/th\u003e\n\u003cth\u003eSound Power Level (dB)\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1450\u003c\/td\u003e\n\u003ctd\u003e2595\u003c\/td\u003e\n\u003ctd\u003e2360\u003c\/td\u003e\n\u003ctd\u003e0\u003c\/td\u003e\n\u003ctd\u003eMeasured according to ISO 13347\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1435\u003c\/td\u003e\n\u003ctd\u003e3530\u003c\/td\u003e\n\u003ctd\u003e2080\u003c\/td\u003e\n\u003ctd\u003e35\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1420\u003c\/td\u003e\n\u003ctd\u003e2965\u003c\/td\u003e\n\u003ctd\u003e1745\u003c\/td\u003e\n\u003ctd\u003e70\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1410\u003c\/td\u003e\n\u003ctd\u003e2300\u003c\/td\u003e\n\u003ctd\u003e1355\u003c\/td\u003e\n\u003ctd\u003e100\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eAdditional Details\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eProtection against moisture and environmental factors: H0+\u003c\/li\u003e\n\u003cli\u003eInstallation position: Shaft horizontal or rotor on bottom; rotor on top available upon request\u003c\/li\u003e\n\u003cli\u003eCondensation drainage holes located on rotor side\u003c\/li\u003e\n\u003cli\u003eConnection cable: PVC 7G 0.5 mm² with crimped splices (variable length)\u003c\/li\u003e\n\u003cli\u003eConforms to RoHS and ECCN EAR99 standards\u003c\/li\u003e\n\u003cli\u003ePackage: Bag\u003c\/li\u003e\n\u003cli\u003eProduct Category: Thermal Management | Fans, Blowers \u0026amp; Accessories\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eProduct Images and Datasheet\u003c\/h3\u003e\n\u003cp\u003eFor detailed technical specifications and installation guidelines, refer to the \u003ca href=\"https:\/\/www.waldomapac.com\/upload\/parts\/datasheets\/mf-pap\/pap-w4d400-cp12-31.pdf\" target=\"_blank\"\u003edatasheet\u003c\/a\u003e.\u003c\/p\u003e\n\u003cimg src=\"https:\/\/www.waldomapac.com\/upload\/parts\/images\/large\/43059956.jpg\" alt=\"W4D400-CP12-31 Fan Image\"\u003e\n\n\u003ch3\u003eNote\u003c\/h3\u003e\n\u003cp\u003eDatasheet was not processed, please search the internet for the part number \u003cstrong\u003eW4D400-CP12-31\u003c\/strong\u003e for more details.\u003c\/p\u003e","published_at":"2025-08-10T19:42:28+05:30","created_at":"2025-08-10T19:42:28+05:30","vendor":"Waldom Electonics","type":"Thermal Management","tags":["230VAC","400VAC","528mm","Accessories","Blowers","EBM","Fans","IMPORT_CSV","Thermal","WLDM"],"price":4013595,"price_min":4013595,"price_max":4013595,"available":true,"price_varies":false,"compare_at_price":null,"compare_at_price_min":0,"compare_at_price_max":0,"compare_at_price_varies":false,"variants":[{"id":50578738446653,"title":"Default Title","option1":"Default Title","option2":null,"option3":null,"sku":"W4D400-CP12-31","requires_shipping":true,"taxable":true,"featured_image":null,"available":true,"name":"W4D400-CP12-31","public_title":null,"options":["Default Title"],"price":4013595,"weight":250,"compare_at_price":null,"inventory_management":"shopify","barcode":"W4D400-CP12-31","requires_selling_plan":false,"selling_plan_allocations":[]}],"images":["\/\/thinkrobotics.com\/cdn\/shop\/files\/W4D400-CP12-31_43059956_880ff37b.jpg?v=1754835152"],"featured_image":"\/\/thinkrobotics.com\/cdn\/shop\/files\/W4D400-CP12-31_43059956_880ff37b.jpg?v=1754835152","options":["Title"],"media":[{"alt":null,"id":45764611735869,"position":1,"preview_image":{"aspect_ratio":1.0,"height":200,"width":200,"src":"\/\/thinkrobotics.com\/cdn\/shop\/files\/W4D400-CP12-31_43059956_880ff37b.jpg?v=1754835152"},"aspect_ratio":1.0,"height":200,"media_type":"image","src":"\/\/thinkrobotics.com\/cdn\/shop\/files\/W4D400-CP12-31_43059956_880ff37b.jpg?v=1754835152","width":200}],"requires_selling_plan":false,"selling_plan_groups":[],"content":"\u003ch3\u003eProduct Description\u003c\/h3\u003e\n\u003cp\u003eThe \u003cstrong\u003eW4D400-CP12-31\u003c\/strong\u003e is a high-performance axial fan manufactured by \u003cstrong\u003eEBM PAPST\u003c\/strong\u003e, designed for efficient thermal management applications. This round fan features sickle-shaped blades (S series) with a single intake, housed in a robust fan housing with a guard grille, ensuring reliable operation in demanding environments.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eSize: 400 mm diameter\u003c\/li\u003e\n\u003cli\u003eType: AC axial fan with sickle-shaped blades\u003c\/li\u003e\n\u003cli\u003eSingle intake design for optimized airflow\u003c\/li\u003e\n\u003cli\u003eFan housing made of sheet steel, pre-galvanized and coated with black plastic (RAL 9005)\u003c\/li\u003e\n\u003cli\u003eBlade material: Sheet steel, painted black\u003c\/li\u003e\n\u003cli\u003eNumber of blades: 5\u003c\/li\u003e\n\u003cli\u003eAirflow direction: \"A\"\u003c\/li\u003e\n\u003cli\u003eRotation: Clockwise when viewed toward the rotor\u003c\/li\u003e\n\u003cli\u003eProtection class: IP44 (installation- and position-dependent)\u003c\/li\u003e\n\u003cli\u003eInsulation class: B\u003c\/li\u003e\n\u003cli\u003eMotor: Three-phase, with ball bearings\u003c\/li\u003e\n\u003cli\u003eConnection: Delta (Δ) and Star (Y) wiring options available\u003c\/li\u003e\n\u003cli\u003eMax ambient temperature for motor: +80°C; Min: -40°C\u003c\/li\u003e\n\u003cli\u003eWeight: 7.98 kg\u003c\/li\u003e\n\u003cli\u003eProtection class: I (with customer connection of protective earth)\u003c\/li\u003e\n\u003cli\u003eConforms to EN 60335-1, CE approval, CCC approval\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eElectrical and Performance Specifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eParameter\u003c\/th\u003e\n\u003cth\u003eValues\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNominal Voltage\u003c\/td\u003e\n\u003ctd\u003e230 VAC \/ 400 VAC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFrequency\u003c\/td\u003e\n\u003ctd\u003e50 Hz \/ 60 Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSpeed\u003c\/td\u003e\n\u003ctd\u003e1450 rpm (230 VAC), 1690 rpm (400 VAC)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Consumption\u003c\/td\u003e\n\u003ctd\u003e135 W (230 VAC), 185 W (400 VAC)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCurrent Draw\u003c\/td\u003e\n\u003ctd\u003e0.76 A (230 VAC), 0.44 A (400 VAC)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMax. Back Pressure\u003c\/td\u003e\n\u003ctd\u003e105 Pa (230 VAC), 120 Pa (400 VAC)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMax. Ambient Temperature\u003c\/td\u003e\n\u003ctd\u003e40°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMin. Ambient Temperature\u003c\/td\u003e\n\u003ctd\u003e-25°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eStarting Current\u003c\/td\u003e\n\u003ctd\u003e3.0 A (230 VAC), 1.7 A (400 VAC)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eAir Performance (50 Hz)\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eSpeed (rpm)\u003c\/th\u003e\n\u003cth\u003eAir Flow (m³\/h)\u003c\/th\u003e\n\u003cth\u003eAir Flow (CFM)\u003c\/th\u003e\n\u003cth\u003ePressure Increase (Pa)\u003c\/th\u003e\n\u003cth\u003eSound Power Level (dB)\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1450\u003c\/td\u003e\n\u003ctd\u003e2595\u003c\/td\u003e\n\u003ctd\u003e2360\u003c\/td\u003e\n\u003ctd\u003e0\u003c\/td\u003e\n\u003ctd\u003eMeasured according to ISO 13347\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1435\u003c\/td\u003e\n\u003ctd\u003e3530\u003c\/td\u003e\n\u003ctd\u003e2080\u003c\/td\u003e\n\u003ctd\u003e35\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1420\u003c\/td\u003e\n\u003ctd\u003e2965\u003c\/td\u003e\n\u003ctd\u003e1745\u003c\/td\u003e\n\u003ctd\u003e70\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1410\u003c\/td\u003e\n\u003ctd\u003e2300\u003c\/td\u003e\n\u003ctd\u003e1355\u003c\/td\u003e\n\u003ctd\u003e100\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eAdditional Details\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eProtection against moisture and environmental factors: H0+\u003c\/li\u003e\n\u003cli\u003eInstallation position: Shaft horizontal or rotor on bottom; rotor on top available upon request\u003c\/li\u003e\n\u003cli\u003eCondensation drainage holes located on rotor side\u003c\/li\u003e\n\u003cli\u003eConnection cable: PVC 7G 0.5 mm² with crimped splices (variable length)\u003c\/li\u003e\n\u003cli\u003eConforms to RoHS and ECCN EAR99 standards\u003c\/li\u003e\n\u003cli\u003ePackage: Bag\u003c\/li\u003e\n\u003cli\u003eProduct Category: Thermal Management | Fans, Blowers \u0026amp; Accessories\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eProduct Images and Datasheet\u003c\/h3\u003e\n\u003cp\u003eFor detailed technical specifications and installation guidelines, refer to the \u003ca href=\"https:\/\/www.waldomapac.com\/upload\/parts\/datasheets\/mf-pap\/pap-w4d400-cp12-31.pdf\" target=\"_blank\"\u003edatasheet\u003c\/a\u003e.\u003c\/p\u003e\n\u003cimg src=\"https:\/\/www.waldomapac.com\/upload\/parts\/images\/large\/43059956.jpg\" alt=\"W4D400-CP12-31 Fan Image\"\u003e\n\n\u003ch3\u003eNote\u003c\/h3\u003e\n\u003cp\u003eDatasheet was not processed, please search the internet for the part number \u003cstrong\u003eW4D400-CP12-31\u003c\/strong\u003e for more details.\u003c\/p\u003e"}
