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KNP40FL Guardian/GuardianX NEMA 4 or 4X Series
Indoor/Outdoor Filter Fans

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NEMA NEMA 4 or 4X
MAINTAINED
Select Model Type

Electrical (Volts/Hz):
NEMA Rating:
Air Flow:

ModelAirflow
Direction
NEMA
Rating
VoltageInput
Amps
Input
Watts
Max.
Airflow
CFM*
Unit
Airflow
CFM**
Noise
db(A)
Operating
Temp. °F
Approx. Weight
Min.Max.Lbs.Kg.
KNP40FLIntakeNEMA 4115/600.19131064555-40158104.5
IntakeNEMA 4115/500.2214904052-40158104.5
KNP40RFLExhaustNEMA 4115/600.19131064555-40158104.5
ExhaustNEMA 4115/500.2214904052-40158104.5
K2NP40FLIntakeNEMA 4230/600.11121064455-40158104.5
IntakeNEMA 4230/500.1314903952-40158104.5
K2NP40RFLExhaustNEMA 4230/600.11121064455-40158104.5
ExhaustNEMA 4230/500.1314903952-40158104.5
K6NP40FLIntakeNEMA 412 VDC0.435.1100274314158104.5
K6NP40RFLExhaustNEMA 412 VDC0.435.1100274314158104.5
K7NP40FLIntakeNEMA 424 VDC0.12.4108414514158104.5
K7NP40RFLExhaustNEMA 424 VDC0.12.4108414514158104.5
K8NP40FLIntakeNEMA 448 VDC0.115.3108304314158104.5
K8NP40RFLExhaustNEMA 448 VDC0.115.3108304314158104.5
KNP40FLVIntakeNEMA 4X115/600.19131064555-40158104.5
IntakeNEMA 4X115/500.2214904052-40158104.5
KNP40RFLVExhaustNEMA 4X115/600.19131064555-40158104.5
ExhaustNEMA 4X115/500.2214904052-40158104.5
K2NP40FLVIntakeNEMA 4X230/600.11121064455-40158104.5
IntakeNEMA 4X230/500.1314903952-40158104.5
K2NP40RFLVExhaustNEMA 4X230/600.11121064455-40158104.5
ExhaustNEMA 4X230/500.1314903952-40158104.5
K6NP40FLVIntakeNEMA 4X12 VDC0.435.1100274314158104.5
K7NP40FLVIntakeNEMA 4X24 VDC0.12.4108414514158104.5
K6NP40RFLVExhaustNEMA 4X12 VDC0.435.1100274314158104.5
K7NP40RFLVExhaustNEMA 4X24 VDC0.12.4108414514158104.5
K8NP40FLVIntakeNEMA 4X48 VDC0.115.3108304314158104.5
K8NP40RFLVExhaustNEMA 4X48 VDC0.115.3108304314158104.5
*Fan airflow without filter and grille.
**NEMA Rated if installed with provided filter.

TECHNICAL DATA

Model
Number:
Airflow
Direction:
NEMA
Rating:
Voltage:Fan Airflow CFM*:Unit Airflow CFM**:
KNP40FLIntakeNEMA 4115/6010645
Input Amps: 0.19
Input Watts: 13
Noise db(A): 55
Min. Operating Temp. °F: -40
Max. Operating Temp. °F: 158
Approx. weight: 10 lbs. (5 kg)
KNP40FLIntakeNEMA 4115/509040
Input Amps: 0.22
Input Watts: 14
Noise db(A): 52
Min. Operating Temp. °F: -40
Max. Operating Temp. °F: 158
Approx. weight: 10 lbs. (5 kg)
KNP40RFLExhaustNEMA 4115/6010645
Input Amps: 0.19
Input Watts: 13
Noise db(A): 55
Min. Operating Temp. °F: -40
Max. Operating Temp. °F: 158
Approx. weight: 10 lbs. (5 kg)
KNP40RFLExhaustNEMA 4115/509040
Input Amps: 0.22
Input Watts: 14
Noise db(A): 52
Min. Operating Temp. °F: -40
Max. Operating Temp. °F: 158
Approx. weight: 10 lbs. (5 kg)
K2NP40FLIntakeNEMA 4230/6010644
Input Amps: 0.11
Input Watts: 12
Noise db(A): 55
Min. Operating Temp. °F: -40
Max. Operating Temp. °F: 158
Approx. weight: 10 lbs. (5 kg)
K2NP40FLIntakeNEMA 4230/509039
Input Amps: 0.13
Input Watts: 14
Noise db(A): 52
Min. Operating Temp. °F: -40
Max. Operating Temp. °F: 158
Approx. weight: 10 lbs. (5 kg)
K2NP40RFLExhaustNEMA 4230/6010644
Input Amps: 0.11
Input Watts: 12
Noise db(A): 55
Min. Operating Temp. °F: -40
Max. Operating Temp. °F: 158
Approx. weight: 10 lbs. (5 kg)
K2NP40RFLExhaustNEMA 4230/509039
Input Amps: 0.13
Input Watts: 14
Noise db(A): 52
Min. Operating Temp. °F: -40
Max. Operating Temp. °F: 158
Approx. weight: 10 lbs. (5 kg)
K6NP40FLIntakeNEMA 412 VDC10027
Input Amps: 0.43
Input Watts: 5.1
Noise db(A): 43
Min. Operating Temp. °F: 14
Max. Operating Temp. °F: 158
Approx. weight: 10 lbs. (5 kg)
K6NP40RFLExhaustNEMA 412 VDC10027
Input Amps: 0.43
Input Watts: 5.1
Noise db(A): 43
Min. Operating Temp. °F: 14
Max. Operating Temp. °F: 158
Approx. weight: 10 lbs. (5 kg)
K7NP40FLIntakeNEMA 424 VDC10841
Input Amps: 0.1
Input Watts: 2.4
Noise db(A): 45
Min. Operating Temp. °F: 14
Max. Operating Temp. °F: 158
Approx. weight: 10 lbs. (5 kg)
K7NP40RFLExhaustNEMA 424 VDC10841
Input Amps: 0.1
Input Watts: 2.4
Noise db(A): 45
Min. Operating Temp. °F: 14
Max. Operating Temp. °F: 158
Approx. weight: 10 lbs. (5 kg)
K8NP40FLIntakeNEMA 448 VDC10830
Input Amps: 0.11
Input Watts: 5.3
Noise db(A): 43
Min. Operating Temp. °F: 14
Max. Operating Temp. °F: 158
Approx. weight: 10 lbs. (5 kg)
K8NP40RFLExhaustNEMA 448 VDC10830
Input Amps: 0.11
Input Watts: 5.3
Noise db(A): 43
Min. Operating Temp. °F: 14
Max. Operating Temp. °F: 158
Approx. weight: 10 lbs. (5 kg)
KNP40FLVIntakeNEMA 4X115/6010645
Input Amps: 0.19
Input Watts: 13
Noise db(A): 55
Min. Operating Temp. °F: -40
Max. Operating Temp. °F: 158
Approx. weight: 10 lbs. (5 kg)
KNP40FLVIntakeNEMA 4X115/509040
Input Amps: 0.22
Input Watts: 14
Noise db(A): 52
Min. Operating Temp. °F: -40
Max. Operating Temp. °F: 158
Approx. weight: 10 lbs. (5 kg)
KNP40RFLVExhaustNEMA 4X115/6010645
Input Amps: 0.19
Input Watts: 13
Noise db(A): 55
Min. Operating Temp. °F: -40
Max. Operating Temp. °F: 158
Approx. weight: 10 lbs. (5 kg)
KNP40RFLVExhaustNEMA 4X115/509040
Input Amps: 0.22
Input Watts: 14
Noise db(A): 52
Min. Operating Temp. °F: -40
Max. Operating Temp. °F: 158
Approx. weight: 10 lbs. (5 kg)
K2NP40FLVIntakeNEMA 4X230/6010644
Input Amps: 0.11
Input Watts: 12
Noise db(A): 55
Min. Operating Temp. °F: -40
Max. Operating Temp. °F: 158
Approx. weight: 10 lbs. (5 kg)
K2NP40FLVIntakeNEMA 4X230/509039
Input Amps: 0.13
Input Watts: 14
Noise db(A): 52
Min. Operating Temp. °F: -40
Max. Operating Temp. °F: 158
Approx. weight: 10 lbs. (5 kg)
K2NP40RFLVExhaustNEMA 4X230/6010644
Input Amps: 0.11
Input Watts: 12
Noise db(A): 55
Min. Operating Temp. °F: -40
Max. Operating Temp. °F: 158
Approx. weight: 10 lbs. (5 kg)
K2NP40RFLVExhaustNEMA 4X230/509039
Input Amps: 0.13
Input Watts: 14
Noise db(A): 52
Min. Operating Temp. °F: -40
Max. Operating Temp. °F: 158
Approx. weight: 10 lbs. (5 kg)
K6NP40FLVIntakeNEMA 4X12 VDC10027
Input Amps: 0.43
Input Watts: 5.1
Noise db(A): 43
Min. Operating Temp. °F: 14
Max. Operating Temp. °F: 158
Approx. weight: 10 lbs. (5 kg)
K7NP40FLVIntakeNEMA 4X24 VDC10841
Input Amps: 0.1
Input Watts: 2.4
Noise db(A): 45
Min. Operating Temp. °F: 14
Max. Operating Temp. °F: 158
Approx. weight: 10 lbs. (5 kg)
K6NP40RFLVExhaustNEMA 4X12 VDC10027
Input Amps: 0.43
Input Watts: 5.1
Noise db(A): 43
Min. Operating Temp. °F: 14
Max. Operating Temp. °F: 158
Approx. weight: 10 lbs. (5 kg)
K7NP40RFLVExhaustNEMA 4X24 VDC10841
Input Amps: 0.1
Input Watts: 2.4
Noise db(A): 45
Min. Operating Temp. °F: 14
Max. Operating Temp. °F: 158
Approx. weight: 10 lbs. (5 kg)
K8NP40FLVIntakeNEMA 4X48 VDC10830
Input Amps: 0.11
Input Watts: 5.3
Noise db(A): 43
Min. Operating Temp. °F: 14
Max. Operating Temp. °F: 158
Approx. weight: 10 lbs. (5 kg)
K8NP40RFLVExhaustNEMA 4X48 VDC10830
Input Amps: 0.11
Input Watts: 5.3
Noise db(A): 43
Min. Operating Temp. °F: 14
Max. Operating Temp. °F: 158
Approx. weight: 10 lbs. (5 kg)
*Fan airflow without filter and grille.
**NEMA Rated if installed with provided filter.
For general ventilating use only. Do not use these fans to exhaust hazardous or explosive material and vapors. 
NOT ALL SYSTEMS ARE SUITABLE FOR UTILIZING OUTSIDE AIR.  To protect sensitive components against condensation an enclosure heater or closed-loop cooling is recommended. To protect sensitive components against corrosive elements closed-loop cooling is recommended.
  • Standard Features
  • Accessories & Options
  • Performance
  • Arrangement
  • Similar Models
  • Documents
• Baked Powder Finish
Heavy-duty steel shell with powder-baked finish (ANSI 61 gray). Custom color options are available.
• Integrated Fan Guards
• Integrated Sealing Gasket
• IP55 Filter Protection
• NEMA 4 or 4X Rating Maintained (if used with provided filter)
• Secure Mounting
• Six-Foot [1.8m] (minimum) 3-Wire Power Cord
• Stainless Steel Shell (NEMA 4X models)
For applications in corrosive or other hostile environments such as those requiring Internal Corrosion Resistant Coatings, especially where chemical/moisture combinations are present.
• UL/CSA Ball-Bearing Motors
All motors, whether permanent split capacitor or shaded pole, are UL/CSA Recognized and include automatic-reset thermal overload protection. Designed for low temperature rise, Kooltronic motors are also cooled by the blowers' intake air, for maximum motor life. All motors are UL Recognized and carry a Declaration of Conformity to applicable CE Standards. Special permanent lubricants perform over a broad temperature range: -20°F (-29°C) to 250°F (121°C).
• UL/CUL Listed
• Washable, Reuseable Filter

• KNPA60FL Filter-Hood Assemblies (Recommended)
• Other Voltages~ both AC and DC
• Replacement Filter for KNP40FL: (P/N 0429-01-01)
• Reversed Airflow Direction

KNP40FL Filter Fans performance chart
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General Arrangement Thumbnail
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KNP40FL Filter Fans general arrangement drawing
Dimensions, inches [mm], are for reference only and subject to change.

Dimensions, inches [mm], are for reference only and subject to change.
ModelGuideline
Dimensions
(H x W x D)*
CFM @0" S.P.
KNP36FL Filter Fans7.80 x 5.90 x 4.8026
*See model specifics for drawings, dimensions, mounting or cutout plans.
  • Data Sheet
    KNP40FL Guardian/GuardianX Series Filter Fan Data Sheet [327Kb]
  • GA Drawing
    KNP40FL Guardian/GuardianX Series Filter Fan General Arrangement Drawing [45Kb]
  • Installation Instructions
    KNP40/60FL Guardian/GuardianX Series Filter Fan Installation Instructions [891Kb]
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    Advantage Series Filter Fan Brochure [376Kb]
    Filter Fan Flyer [136Kb]
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    Laboratory Environmental Testing Services [157Kb]
    Powder Paint Application Facilities Flyer [165Kb]
  • Operator's Manual
    KNP40FL Guardian/GuardianX Series Filter Fan Operator's Manual [175Kb]
HOW TO ORDER
Specify model number. Example: KNP40FL. For other than 115 VAC operation, add identifying number from Technical Data after the K. Example: K2NP40FL (230 VAC). Filter: Specify part number.

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