• 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 Frequency converter RUCK - FU 075 201 x Elta Variable Speed Drive IP66 - 0.75KW1 x Frequency converter FU 075 14 - IP661 x FU 075 52 Frequency Inverter (IP20)1 x Elta 10 Amp Electronic single phase speed controller.1 x Helios VDS-7 Three Phase Transformer 5-Step1 x FU 15 40 Frequency Inverter1 x FU 22 25 Frequency Inverter1 x Helios TSD 5.5 Transformer Speed Control (400v)1 x Helios TSD 3.0 Transformer Speed Control (400v)2 x Elta Variable Speed Drive IP66 - 2.2KW1 x FRQ-10A V2 Inverter Speed controller1 x FRQ5-4A V2 Inverter Speed Controller1 x Elta Variable Speed Drive IP66 - 7.5KW1 x Helios - FIUK-11KW 24.0A - FREQUENCY INVERTER1 x FU 075 04 Frequency Inverter (IP20)1 x FRQ5-10A Inverter Speed controller1 x Frequency converter RUCK - FU 075 211 x FU 22 04 Frequency Inverter1 x Elta Variable Speed Drive IP66 - 2.2KW (1ph to 3ph)1 x ATEX rated 3-phase Speed Control - R-DK4 KT (EX)1 x ELTA - Three Phase Transformer 3amps1 x Elta Variable Speed Drive IP66 - 5.5KW1 x FU 15 16 Frequency Inverter1 x ELTA - Three Phase Transformer 10amps1 x Elta Variable Speed Drive IP66 - 4.0KW2 x Electronic extractor fan speed controller - FSC 1.51 x ELTA - Single Phase Transformer 2amps1 x ELTA - Single Phase Transformer 8amps1 x Elta 3 Amp Electronic single phase speed controller.1 x Elta 3 Amp Electronic single phase speed controller with TK1 x Elta 2 Amp Electronic single phase speed controller.1 x Elta 6 Amp Electronic single phase speed controller with TK1 x EFSC-3N- Single Phase Speed Control1 x EC6H - Reversible Group Fan Electronic Controller2 x Elta 6 Amp Electronic single phase speed controller.1 x ELTA - Single Phase Transformer 12amps1 x Elta Variable Speed Drive IP66 - 0.37KW (1ph to 3ph)2 x AIRVENT speed control - AIR4019612 x Remote Timer Control - 13511 x ELTA - Single Phase Transformer 4amps1 x ELTA - Single Phase Transformer 10amps1 x Elta Variable Speed Drive IP66 - 1.5KW (1ph to 3ph)1 x Run On Timer - 5s - 4hrs - RT5A1 x Elta Variable Speed Drive IP66 - 0.75KW (1ph to 3ph)2 x COM-31 x EFSC-6N- Single Phase Speed Control1 x Helios ZNE Electronic Fan Overrun Timer2 x Push Timer Switch - ZA41 x Time Delay Unit - DT20B1 x Multi Input Run On Timer - 0 - 20min - CFCU2 x 7 Day Programmable TIMECLOCK1 x TTC-2000 Three phase electric heater controller1 x EC-Vent control board2 x ACO8AC/EC AutoChangeover panel2 x ACOAS/ AC/EC Auto Changeover 8Amp1 x ACO 149-ACO1/EDV1 x CONTROL ECOWATT - Basic1 x Elta ACO Panel 149-ACO14E1 x EC-Vent Room Unit1 x EM30-24 Electro-Mechanical Control Panel1 x U-EK plastic housing IP65 - for use with the U-EK230E Motor Protection1 x Elta ACO Panel 149-ACO18B2 x Systemair Save Connect 2.0 Internet Module1 x S & P Aluminium Axial Fan Louvre Shutter - PER-CR- 5001 x S & P Aluminium Axial Fan Louvre Shutter - PER-CR- 6301 x S & P Aluminium Axial Fan Louvre Shutter - PER-CR- 3551 x EM30-24 Control Panel Commissioning Service1 x Easy-fix termination kit - High Rise Ventilator - EFT1 x Elta Wall Cowl SWC35/401 x Elta Wall Cowl SWC45/501 x Elta Louvre Shutter - 400mm1 x S & P Aluminium Axial Fan Louvre Shutter - PER-CR- 7101 x Jet Cowl - 315mm1 x S&P MULTI-REG EC FAN CONTROLLER / INTERFACE1 x Egg Crate Grille with G2 Dust panel filter 1 inch- 300x3001 x Helios TSW 7.5 Amp Transformer speed controller1 x Remote controller FLEX - for VEKO INT1 x Transformer 5 Speed Controller - ATC1-4TK1 x RDS 11 Helios Transformer Controller With Motor Protection1 x Three Phase Transformer controllers - RMT 1.5 Amp1 x Helios TSW 1.5 Amp Transformer speed controller1 x Vent Axia ACM 150 inline mixed flow duct fan1 x Vent Axia ACM 200 inline mixed flow duct fan1 x Vent Axia ACM 125 inline mixed flow duct fan1 x Isolator Switch - ISOSW1 x CMT-2 200/80 1.1KW - Single inlet centrifugal fan direct driven1 x MWS 1.5 – Transformer Controller With Motor Protection1 x Vent Axia T-Series Controller1 x Transformer (silent) speed controller - RE 3.0 Amp1 x Envirovent G4 Filter - SL-G4/F71 x TG-K Duct temperature sensor1 x BEAS-control module1 x CBS-60 Outlet Flange for CSB/CBT-601 x KMBI 180 Connector rectangular/circular to install on the discharge of CMT1 x TG-K3/NTC10-01 - Duct temperature sensor1 x CBM 9-9 550w 4P VR (Open Motor)1 x Transformer (silent) speed controller - RE 5.0 Amp1 x Commercial Single or 3 phase Fan Reversing Switch - RS11 x MTS10- extractor fan 3 step switch1 x Quietflow SQS400-1ECL - Centrifugal Box Fan1 x CPTA-S PIR SENSOR Volt Free Contacts - Surface Mounted1 x Speed Controller - REB51 x Bathroom Fan -Envirovent- Silent 100 T (Timer Model)1 x Speed Controller - REB11 x VTR 300 STD Filter Kit1 x QPTW 250C Acoustic Twin Fan with Controller1 x MTP 10, 10K, Speed control1 x REB-CVF 0-10v Controller1 x PIR Sensor - PIR21 x Helios TSW 3 Amp Transformer speed controller1 x DEF-140T Inlet Guard for the CBT-100N1 x Vent Axia ACM 100 inline mixed flow duct fan1 x Single phase speed controller by auto-transformer - RMB 1.5 Amp1 x Single phase speed controller by auto-transformer - RMB 3.5 Amp1 x Envirovent Silent MV160/100T Mixvent - Timer Model - 100mm - (5 year warranty)1 x Transformer Speed Control - RTRE- 5.0Amp1 x Transformer Speed Control - RTRE- 7.0Amp1 x Transformer Speed Control - RTRE- 1.5Amp1 x ELM 25 EX Flexible Cuff for ERM 251 x Transformer (silent) speed controller - RE 1.5 Amp1 x DEF-CBM-RE-7 - Protection Guard1 x CBM Low Pressure Centrifugal Fan - CBM 10/10 4 Pole 550watt CVR1 x CBM Low Pressure Centrifugal Fan - CBM 10/10 4 Pole 550watt VR1 x ELM 20 EX Flexible Cuff for ERM 221 x EBM-Papst D4E225-BC01-17 Double inlet1 x Speed Controller - REB101 x CBM Low Pressure Centrifugal Fan - CBM 12/12 6 Pole 736watt CVR1 x Speed Controller - REB2.5-N1 x Potentiometer EGH 01 - for DDMP Fans1 x TD160-NT Mixvent - 100mm - TD160 Timer1 x Silentub - STUB 1002 x Silent 100 Window Kit - windowS1 x PIR Sensor - PIR41 x UB47- Universal Insulated Terminal1 x DDMP 12-12 3F 1810W M6A4 DG01 x Elta Variable Speed Drive IP66 - 1.5KW1 x DS-2 2-Speed Switch (3 Phase)1 x Compact SCD450/4-1AC1 x CBT-130N Centrifugal ATEX II 3D ExtD 125*C1 x CBM Low Pressure Centrifugal Fan - CBM 9/9 4 Pole 550watt C VR1 x IR24-P - Presence detector1 x GENIOX 11 Internal Mounted Unit1 x Egg Crate Grille with Dust panel filter 1 inch- 595x5951 x Single Deflection Grille 400mm with OBD damper1 x CBP-18/18-RC Belt Driven Centrifugal Fans1 x RD35S-4DW.6W.3L - 122297 (Three Phase)1 x VTR 500 STD Filter Kit2 x Mini Diffuser - 100mm1 x Electrostatic Precipitator - 1H x 3W1 x CFI In-line 425 - Carbon Filter1 x Vertical Cowl and Fan (Single Phase) - RAV400-4-11 x Vent Axia Trickle & Boost Switch1 x KBA- Inlet Mounting 1801 x Comefri - TLZ 450 R - High Performance Scroll Fan1 x CBM Low Pressure Centrifugal Fan - CBM 12/9 6 Pole 736watt C1 x CO2 Room Sensor - CO2-R1 x CBS-100 Outlet Flange for CBT-100
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