• 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

2 x MV-B Dual Switch for use with Helios HQW plate fans,1 x Single phase speed controller by auto-transformer - RMB 3.5 Amp1 x 7 Day Programmable TIMECLOCK2 x Commercial Single or 3 phase Fan Reversing Switch - RS11 x Helios HQW-200/4 - IP551 x Multiflow SMB550/4-1AC2 x Transformer (silent) speed controller - RE 5.0 Amp1 x Elta Variable Speed Drive IP66 - 0.75KW1 x Skyflow SSR Horizontal Roof Cowl SSR31/35BS1 x Isolator Switch - EFF-ISO4 x Helios HQW-315/4 - IP554 x SG-200 Fan Guard for the HQW 2001 x Elta Wall Cowl SWC56/633 x REB-CVF 0-10v Controller3 x Elta Variable Speed Drive IP66 - 2.2KW1 x Helios PU10 Speed Potentiometer (Flush Mounted)2 x Bathroom Fan -Envirovent- Silent 100 T (Timer Model)1 x CBM 9-9 550w 4P VR (Open Motor)1 x CBA-60 Inlet Flange for CBT-604 x Transformer Speed Control - RTRE- 1.5Amp5 x MTP 10, 10K, Speed control3 x Speed Controller - REB1-N2 x TUNE-R-200-3-M1 - Control Damper1 x GRA-100 External Grill by S&P4 x Elta Variable Speed Drive IP66 - 0.37KW (1ph to 3ph)2 x MTS10- extractor fan 3 step switch5 x Vent Axia Silent 100T (TIMER)2 x Speed Controller - REB101 x Elta Louvre Shutter - 400mm2 x Silent 100 Window Kit - windowS1 x Elta Wall Cowl SWC35/406 x QPTW 250C Acoustic Twin Fan with Controller2 x Transformer Speed Control - RTRE- 7.0Amp1 x Elta Wall Cowl SWC45/504 x PIR Sensor - PIR21 x TD Mixvent 800/200 EEXEIIT32 x Helios HQW-250/4 - IP554 x Speed Controller - REB13 x UB47- Universal Insulated Terminal1 x CBM Low Pressure Centrifugal Fan - CBM 10/10 4 Pole 550watt VR1 x DEF-CBM-RE-7 - Protection Guard4 x PIR Sensor - PIR41 x Jet Cowl - 315mm3 x CBM Low Pressure Centrifugal Fan - CBM 10/10 4 Pole 550watt CVR3 x VTR 300 STD Filter Kit1 x Egg Crate Grille with G2 Dust panel filter 1 inch- 300x3004 x Elta 6 Amp Electronic single phase speed controller.1 x S & P Aluminium Axial Fan Louvre Shutter - PER-CR- 7102 x EBM-Papst D4E225-BC01-17 Double inlet2 x DDMP 10-08 3F 2210W M6A4 DG03 x Speed Controller - REB82 x Elta - Room Sensor - Temp/Humid/C021 x Quietflow SQS100-1ECL - Centrifugal Box Fan1 x Isolator Switch - ISOSW3 x Transformer speed controller - ATC1 - 1.5 Amps1 x Elta 10 Amp Electronic single phase speed controller.2 x REE-2 Electronic Speed Controller4 x DDMP 12-12 3F 1810W M6A4 DG02 x Compact SCD450/4-1AC3 x Biflow SB400-CON2-3 - High Temperature Bifurcated Fan2 x Elta Variable Speed Drive IP66 - 1.5KW1 x GXC6EC - High Performance Extract Fan1 x FRQ5-10A Inverter Speed controller2 x Three Phase 3 step - 10amp Transformer controller for use with the HV Wall Mounted fans.1 x ELM 18 EX Flexible Cuff for ERM 184 x CBT-100N Centrifugal2 x Mini Diffuser - 100mm2 x LFBR 315 G4 - Helios Inline Filter Box - 315mm2 x SAVE VSR 300 heat recovery unit1 x Vent Axia SC5001 - Speed controller1 x EBM-Papst D3G133-BF05-14 Double inlet2 x Contactor Interface Station - CI92 x TUNE-R-200-3-M4 - Control Damper1 x Vent Axia ACM 150 T (Timer Model) inline mixed flow duct fan1 x CBM Low Pressure Centrifugal Fan - CBM 9/7 4 Pole 373watt CVR2 x Silentub - STUB 1001 x CBM Low Pressure Centrifugal Fan - CBM 12/12 6 Pole 736watt CVR3 x AIRVENT speed control - AIR4019612 x Elta 3 Amp Electronic single phase speed controller with TK1 x Elta 2 Amp Electronic single phase speed controller.1 x Vent Axia ACM 100 T (Timer Model) inline mixed flow duct fan1 x Speed controller with Reverse - REB-1R1 x Helios TSW 1.5 Amp Transformer speed controller1 x Transformer Speed Control - RTRE- 5.0Amp2 x RD35S-4DW.6W.3L - 122297 (Three Phase)1 x TD160-NT Mixvent - 100mm - TD160 Timer2 x SPI-100 C Iris damper4 x REU 7amp Speed control - Two Speed Five-Step Transformer - Trickle and Boost1 x Transformer 5 Speed Controller - ATC1-4TK1 x Multi Input Run On Timer - 0 - 20min - CFCU1 x TG-K3/NTC10-01 - Duct temperature sensor2 x Speed Controller - REB2.5-N1 x ACO8AC/EC AutoChangeover panel1 x Single phase speed controller by auto-transformer - RMB 1.5 Amp1 x Elta 6 Amp Electronic single phase speed controller with TK
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