• 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 Elta ACO Panel 149-ACO14E1 x Helios HQW-200/2 - IP552 x BEAS-control module3 x TG-K3/NTC10-01 - Duct temperature sensor3 x Elta 6 Amp Electronic single phase speed controller with TK1 x CONTROL ECOWATT - Basic1 x EC-Vent control board1 x EM30-24 Electro-Mechanical Control Panel2 x Transformer (silent) speed controller - RE 1.5 Amp4 x MWS 1.5 – Transformer Controller With Motor Protection1 x ACO 149-ACO1/EDV2 x Envirovent G4 Filter - SL-G4/F72 x CPTA-S PIR SENSOR Volt Free Contacts - Surface Mounted4 x WS - Reversing Switch from Helios Fans2 x EC6H - Reversible Group Fan Electronic Controller2 x Helios HQW-630/4 - IP552 x Systemair Save Connect 2.0 Internet Module1 x Single phase speed controller by auto-transformer - RMB 8.0 Amp2 x Vent Axia T-Series Controller1 x EC-Vent Room Unit1 x U-EK plastic housing IP65 - for use with the U-EK230E Motor Protection3 x S&P MULTI-REG EC FAN CONTROLLER / INTERFACE2 x Transformer 5 Speed Controller - ATC1-12TK4 x Helios HQW-200/4 - IP554 x Transformer (silent) speed controller - RE 3.0 Amp1 x EM30-24 Control Panel Commissioning Service1 x Single phase speed controller by auto-transformer - RMB 3.5 Amp3 x Vent Axia Silent 100T (TIMER)1 x S & P Aluminium Axial Fan Louvre Shutter - PER-CR- 6301 x Electronic extractor fan speed controller - FSC 1.51 x Single phase speed controller by auto-transformer - RMB 10.0 Amp1 x TUNE-R-200-3-M1 - Control Damper2 x Airvent ceiling fan controller2 x REE-1 Electronic Speed Controller3 x Elta Variable Speed Drive IP66 - 0.37KW (1ph to 3ph)1 x Skyflow SSR Horizontal Roof Cowl SSR31/35BS3 x Speed Controller - REB102 x Transformer Speed Control - RTRE- 7.0Amp1 x S & P Aluminium Axial Fan Louvre Shutter - PER-CR- 5002 x Transformer Speed Control - RTRE- 12.0Amp3 x Commercial Single or 3 phase Fan Reversing Switch - RS12 x UB47- Universal Insulated Terminal2 x Elta Variable Speed Drive IP66 - 2.2KW2 x Elta 6 Amp Electronic single phase speed controller.3 x CBM Low Pressure Centrifugal Fan - CBM 10/10 4 Pole 550watt CVR1 x Remote Timer Control - 13511 x Easy-fix termination kit - High Rise Ventilator - EFT4 x SG-200 Fan Guard for the HQW 2003 x Helios HQW-250/4 - IP553 x DDMP 10-08 3F 2210W M6A4 DG01 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 CMT4 x PIR Sensor - PIR22 x PIR Sensor - PIR42 x Multiflow SMB550/4-1AC1 x HCFC 1.7 - Reversible Speed Controller for HCF sweep fans1 x EBM-Papst D4E225-BC01-17 Double inlet1 x Speed Controller - REB53 x Elta Variable Speed Drive IP66 - 0.75KW1 x Transformer Speed Control - RTRE- 5.0Amp3 x Speed Controller - REB1-N1 x RDH FLEX-SQUARE - ADH/RDH 04501 x CBS-60 Outlet Flange for CSB/CBT-601 x TD Mixvent 800/200 EEXEIIT32 x REB-CVF 0-10v Controller1 x Two Speed Switch - REGUL-21 x TUNE-R-200-3-M4 - Control Damper1 x Biflow SB400-CON2-3 - High Temperature Bifurcated Fan2 x Speed controller with Reverse - REB-1R2 x MV-B Dual Switch for use with Helios HQW plate fans,1 x Quietflow SQS100-1ECL - Centrifugal Box Fan1 x LFBR 315 G4 - Helios Inline Filter Box - 315mm3 x DDMP 12-12 3F 1810W M6A4 DG02 x Isolator Switch - EFF-ISO3 x Helios TSW 1.5 Amp Transformer speed controller1 x ERR 20/1 Centrifugal inline fan1 x CBA-100 Inlet Flange for CBT-1002 x CBT-100N Centrifugal2 x Speed Controller - REB82 x Flakt Woods ME 1.6 speed controller 6.0amp - EA9011591 x TG-R room temperature sensor1 x Vent Axia ACM 125 T (Timer Model) inline mixed flow duct fan2 x Transformer (silent) speed controller - RE 5.0 Amp2 x Transformer 5 Speed Controller - ATC1-2TK2 x Silent 100 Window Kit - windowS1 x VTR 300 STD Filter Kit2 x Helios RR-250-C Centrifugal inline fan1 x CBM Low Pressure Centrifugal Fan - CBM 7/7 6 Pole 72watt CVR1 x Elta Wall Cowl SWC56/631 x Round ceiling diffuser 250mm2 x MTP 10, 10K, Speed control1 x TUNE-R-200-3-M0 - Control Damper (NO ACTUATOR)2 x Helios ESA-1 Surface mounted Speed Control 1amp1 x Round ceiling diffuser 200mm1 x Silentub - STUB 1004 x Helios HQW-315/4 - IP551 x GRA-100 External Grill by S&P1 x Singleflow SSDL315-1EC1 x Elta Louvre Shutter - 400mm1 x ACO8AC/EC AutoChangeover panel2 x DDMP 10-10 1F 1000W M6A2 DA51 x KBA- Inlet Mounting 2252 x TecFire Intumescent Damper - Rectangular 400x400mm2 x Elta HXP 800mm 6-Pole (Three Phase)1 x DDMP 12-12 3F 5700W M6M0 DG72 x MTS10- extractor fan 3 step switch1 x DPD 12PM Delivery Surcharge1 x Speed Controller - REB11 x DDMP 07/07 Mounting Flange1 x CBB-60N Centrifugal2 x QPTW 250C Acoustic Twin Fan with Controller1 x Elta Wall Cowl SWC35/402 x Duct Termination with Mesh - 250mm1 x WSD 100 (1060x1060x70)2 x RD35S-4DW.6W.3L - 122297 (Three Phase)2 x 125mm Round Connector with Damper1 x 100mm Round Connector with Damper1 x Elta Wall Cowl SWC25/311 x CBB-80N Centrifugal1 x DS-2/2 2-Speed Switch IP54 (Single Phase)1 x TD ECOWATT 160/100 Inline Duct Fan - TD-ECOWATT1 x Elta Wall Cowl SWC45/501 x Biflow SB250-CON2-3 - High Temperature Bifurcated Fan1 x DDMP 12-12 1F 1800W M6A4 DA81 x Ancillary Pack for SLC-900 for SLC900/4A-3AC and SLC900/8-3AC1 x REU 7amp Speed control - Two Speed Five-Step Transformer - Trickle and Boost1 x Vent Axia ACM 200 inline mixed flow duct fan2 x Bathroom Fan -Envirovent- Silent 100 T (Timer Model)1 x HIMF - Mixed Flow Fan 100mm Inline Fan2 x ELTA - Three Phase Transformer 3amps1 x CK-60F Kit1 x ACO3/BD Changover Panel (Three Phase)1 x Vent Axia ACM 100 T (Timer Model) inline mixed flow duct fan1 x Transformer speed controller - ATC1 - 1.5 Amps1 x Transformer 5 Speed Controller - ATC1-4TK1 x Single phase speed controller by auto-transformer - RMB 1.5 Amp2 x Skyflow SSR Horizontal Roof Cowl SSR31/35B1 x TD EVO-100 PF ECOWATT - Environmentally Friendly Energy Efficient Inline Fan1 x Helios PU10 Speed Potentiometer (Flush Mounted)1 x CBM Low Pressure Centrifugal Fan - CBM 9/7 4 Pole 373watt CVR1 x EBM-Papst D3G133-BF05-14 Double inlet
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