• Model:SJMF250-1EC

Jetflow SJMF 250-1EC

£ 392.36 (excl. VAT)

£ 470.83 (inc. VAT)

Inline mixed flow circular fans with EC motors for low power consumption at high performance.

High efficiency jet design double mixed flow impeller integrated and directly driven by Brushless EC motor. The IPX4 motor contains sealed for life heavy duty NWB bearings. All motors are suitable for use in ambient air conditions up to +60℃.

Supplied suitable for fixed speed operation, control options achieved by removing the 3.5mm Jack plug hub and fitting supplied cable.

A Detachable 5 metre lead with 3.5mm jack connection to unit is supplied for connection to a remote potentiometer, 0-10VDC or PWM Circuit. A potentiometer controller is available for manual control.

Easy Installation, fitted with a 1.5 metre Mains lead complete with BS1363-1 UK 3-pin plug BS1361 fuse 3A, convenient for connecting to electrical sockets and providing a means of isolation / disconnection.

Low power consumption at high performance resulting in Low Specific Fan Powers for Building Regulation Compliance.

Each SJMF has a 24 month warranty.

Please refer to the data sheet for further specifications.
PDF Files


Data sheet

Available Options

1 x CS2 Current Switch2 x Single phase speed controller by auto-transformer - RMB 1.5 Amp2 x Single phase speed controller by auto-transformer - RMB 3.5 Amp1 x COM-31 x EC-Vent control board5 x Single phase speed controller by auto-transformer - RMB 8.0 Amp1 x EM30-24 Electro-Mechanical Control Panel1 x ACO 149-ACO1/EDV1 x Elta 3 Amp Electronic single phase speed controller with TK2 x S&P MULTI-REG EC FAN CONTROLLER / INTERFACE1 x WS - Reversing Switch from Helios Fans3 x MWS 1.5 – Transformer Controller With Motor Protection1 x Transformer 5 Speed Controller - ATC1-12TK1 x U-EK plastic housing IP65 - for use with the U-EK230E Motor Protection1 x Elta ACO Panel 149-ACO18B1 x EC-Vent Room Unit2 x Systemair Save Connect 2.0 Internet Module2 x Helios HQW-200/2 - IP552 x BEAS-control module3 x EC6H - Reversible Group Fan Electronic Controller1 x Vent Axia ACM 125 inline mixed flow duct fan1 x CMT-2 200/80 1.1KW - Single inlet centrifugal fan direct driven1 x KMBI 180 Connector rectangular/circular to install on the discharge of CMT3 x Transformer (silent) speed controller - RE 3.0 Amp2 x Electronic extractor fan speed controller - FSC 1.51 x EM30-24 Control Panel Commissioning Service1 x CBM Low Pressure Centrifugal Fan - CBM 10/10 4 Pole 550watt CVR1 x Transformer Speed Control - RTRE- 7.0Amp2 x CPTA-S PIR SENSOR Volt Free Contacts - Surface Mounted1 x Envirovent G4 Filter - SL-G4/F71 x Two Speed Switch - REGUL-21 x S & P Aluminium Axial Fan Louvre Shutter - PER-CR- 6301 x S & P Aluminium Axial Fan Louvre Shutter - PER-CR- 5001 x TUNE-R-200-3-M1 - Control Damper1 x Speed Controller - REB101 x Vent Axia ACM 100 T (Timer Model) inline mixed flow duct fan2 x Elta Variable Speed Drive IP66 - 2.2KW3 x Vent Axia Silent 100T (TIMER)2 x RDH FLEX-SQUARE - ADH/RDH 04502 x EBM-Papst D4E225-BC01-17 Double inlet2 x PIR Sensor - PIR22 x CBS-60 Outlet Flange for CSB/CBT-601 x CBA-60 Inlet Flange for CBT-601 x CBM Low Pressure Centrifugal Fan - CBM 9/7 4 Pole 373watt CVR1 x DDMP 10-08 3F 2210W M6A4 DG01 x PIR Sensor - PIR41 x RDS 7 Helios Transformer Controller With Motor Protection1 x Vent Axia ACM 125 T (Timer Model) inline mixed flow duct fan1 x Isolator Switch - ISOSW2 x Transformer (silent) speed controller - RE 1.5 Amp1 x Vent Axia T-Series Controller1 x SAVE VSR 300 heat recovery unit1 x CBT-100N Centrifugal1 x S & P Aluminium Axial Fan Louvre Shutter - PER-CR- 3551 x TUNE-R-200-3-M4 - Control Damper1 x CMT-2 180/75 0.75KW - Single inlet centrifugal fan with inlet and outlet flange connections - 200mm2 x Skyflow SSR Horizontal Roof Cowl SSR31/35BS1 x Contactor Interface Station - CI91 x Commercial Single or 3 phase Fan Reversing Switch - RS11 x Remote Timer Control - 13511 x Silent 100 Window Kit - windowS1 x Airvent ceiling fan controller1 x Quietflow SQS400-1ECL - Centrifugal Box Fan1 x Biflow SB250-CON4-3 - High Temperature Bifurcated Fan1 x CBM Low Pressure Centrifugal Fan - CBM 9/9 4 Pole 550watt C VR1 x Speed Controller - REB81 x AXC TP - 150mm Plastic Centrifugal Inline Fan1 x Flakt Woods ME 1.6 speed controller 6.0amp - EA9011591 x TD160-NT Mixvent - 100mm - TD160 Timer1 x Transformer Speed Control - RTRE- 12.0Amp1 x REE-1 Electronic Speed Controller1 x Multiflow SMB550/4-1AC1 x DDMP 07/07 Mounting Flange1 x Helios ESA-1 Surface mounted Speed Control 1amp1 x CSB-60 Centrifugal fan
BD9/9 centrifugal M4 0.35Kw
BD9/9 centrifugal M4 0.35Kw
£ 399.00 now £ 350.00
Reviews
Circular Inline Silencers - 0.6M long - SLU-600
Circular Inline Silencers - 0.6M long - SLU-600
£ 58.40

I have a loft mount extractor fan which was very noisy. I ...