• 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 220x90mm Insulated Rectangular Horizontal 45° Bend2 x 220x90mm Insulated Rectangular Vertical 45° Bend1 x 220x90mm Insulated Rectangular Vertical 90° Bend1 x Helios VDS-7 Three Phase Transformer 5-Step1 x NKS-D swirl diffuser v-300 x 300mm3 x Airvent ceiling fan controller1 x Balance S Diffuser - NO RING - 100mm1 x Round ceiling diffuser 350mm1 x Elta Variable Speed Drive IP66 - 1.5KW (1ph to 3ph)1 x ELTA - Single Phase Transformer 10amps3 x Remote Timer Control - 13511 x Run On Timer - 5s - 4hrs - RT5A1 x Push Timer Switch - ZA41 x Helios ZNE Electronic Fan Overrun Timer3 x Multi Input Run On Timer - 0 - 20min - CFCU1 x Time Delay Unit - DT20B2 x 7 Day Programmable TIMECLOCK1 x CONTROL ECOWATT - Basic1 x S & P Aluminium Axial Fan Louvre Shutter - PER-CR- 6301 x S & P Aluminium Axial Fan Louvre Shutter - PER-CR- 5001 x Elta Wall Cowl SWC56/631 x Elta Louvre Shutter - 400mm1 x GRA-100 External Grill by S&P1 x Elta Wall Cowl SWC35/401 x Elta Wall Cowl SWC25/311 x Elta Wall Cowl SWC45/501 x S & P Aluminium Axial Fan Louvre Shutter - PER-CR- 7101 x Jet Cowl - 315mm2 x 204x60mm Insulated Rectangular Vertical 45° Bend1 x 204x60mm Insulated Rectangular Vertical 90° Bend1 x FU 15 40 Frequency Inverter1 x Elta Variable Speed Drive IP66 - 7.5KW3 x Elta Variable Speed Drive IP66 - 2.2KW2 x Elta Variable Speed Drive IP66 - 0.75KW1 x FU 22 25 Frequency Inverter1 x FU 075 52 Frequency Inverter (IP20)2 x FRQ5-4A V2 Inverter Speed Controller1 x FRQ-10A V2 Inverter Speed controller1 x Helios TSD 5.5 Transformer Speed Control (400v)1 x Helios TSD 3.0 Transformer Speed Control (400v)1 x Elta Variable Speed Drive IP66 - 5.5KW2 x Elta Variable Speed Drive IP66 - 1.5KW1 x Frequency converter RUCK - FU 075 201 x Frequency converter FU 075 14 - IP661 x Elta 10 Amp Electronic single phase speed controller.1 x ELTA - Three Phase Transformer 10amps1 x ELTA - Three Phase Transformer 3amps1 x Elta Variable Speed Drive IP66 - 2.2KW (1ph to 3ph)1 x ELTA - Single Phase Transformer 2amps1 x Balance S Diffuser - NO RING - 125mm1 x Circular Ceiling Diffuser - TST 1254 x Electronic extractor fan speed controller - FSC 1.52 x EC6H - Reversible Group Fan Electronic Controller1 x Circular Ceiling Diffuser - TST 1001 x Curved Blade Grille 600x600 (2way blow)1 x Circular Ceiling Diffuser - TST 2001 x JSR 200 Painted RAL50181 x Elta 2 Amp Electronic single phase speed controller.1 x Round ceiling diffuser 400mm1 x ELTA - Single Phase Transformer 16amps1 x ELTA - Single Phase Transformer 8amps1 x Circular Ceiling Diffuser - TST 1601 x Versio Square Ceiling Diffusers - RS142 x Elta 3 Amp Electronic single phase speed controller with TK1 x Elta 3 Amp Electronic single phase speed controller.4 x Elta 6 Amp Electronic single phase speed controller with TK1 x ELTA - Single Phase Transformer 4amps3 x Round ceiling diffuser 200mm4 x AIRVENT speed control - AIR4019612 x Elta Variable Speed Drive IP66 - 0.37KW (1ph to 3ph)1 x Round ceiling diffuser 300mm1 x PCA Diffuser - PCA-2503 x Round ceiling diffuser 250mm1 x Elta Variable Speed Drive IP66 - 0.75KW (1ph to 3ph)1 x EFSC-6N- Single Phase Speed Control2 x Elta 6 Amp Electronic single phase speed controller.1 x TTC-2000 Three phase electric heater controller1 x ACOAS/ AC/EC Auto Changeover 8Amp2 x ACO8AC/EC AutoChangeover panel1 x EC-Vent control board1 x EM30-24 Electro-Mechanical Control Panel1 x Elta ACO Panel 149-ACO18B1 x Systemair Save Connect 2.0 Internet Module1 x Easy-fix termination kit - High Rise Ventilator - EFT1 x EC-Vent Room Unit1 x U-EK plastic housing IP65 - for use with the U-EK230E Motor Protection1 x EM30-24 Control Panel Commissioning Service1 x S & P Aluminium Axial Fan Louvre Shutter - PER-CR- 3551 x Egg Crate Grille with G2 Dust panel filter 1 inch- 300x3004 x Vent Axia ACM 100 T (Timer Model) inline mixed flow duct fan1 x FU 22 04 Frequency Inverter1 x Frequency converter RUCK - FU 075 211 x Helios - FIUK-11KW 24.0A - FREQUENCY INVERTER1 x FU 075 04 Frequency Inverter (IP20)2 x HCFC 1.7 - Reversible Speed Controller for HCF sweep fans1 x Transformer 5 Speed Controller - ATC1-12TK2 x Isolator Switch - ISOSW1 x TG-K Duct temperature sensor2 x Single phase speed controller by auto-transformer - RMB 3.5 Amp2 x Envirovent G4 Filter - SL-G4/F73 x Speed Controller - REB52 x Silent 100 Window Kit - windowS4 x PIR Sensor - PIR24 x PIR Sensor - PIR41 x UB47- Universal Insulated Terminal2 x CBT-100N Centrifugal2 x Silentub - STUB 1002 x CO2 Room Sensor - CO2-R3 x Duct Termination with Mesh - 100mm2 x Biflow SB400-CON2-3 - High Temperature Bifurcated Fan1 x Flat Roof Terminal -OFT 5 - Asphalt1 x 100mm Round Connector with Damper2 x TD EVO-100 PF ECOWATT - Environmentally Friendly Energy Efficient Inline Fan1 x RUCK MTP 20, 10K, Speed control1 x Elta HXP 800mm 6-Pole (Three Phase)1 x CAD-COMPACT 900 ADVANCED N8 - MVHR unit1 x Three Phase 3 step - 10amp Transformer controller for use with the HV Wall Mounted fans.1 x Vent Axia ACM 100 inline mixed flow duct fan2 x CS2 Current Switch1 x Single phase speed controller by auto-transformer - RMB 10.0 Amp2 x Envirovent Silent MV160/100T Mixvent - Timer Model - 100mm - (5 year warranty)1 x Vent Axia T-Series Controller1 x Speed Controller - REB31 x KMBI 180 Connector rectangular/circular to install on the discharge of CMT1 x CBS-60 Outlet Flange for CSB/CBT-601 x Transformer (silent) speed controller - RE 1.5 Amp2 x CPTA-S PIR SENSOR Volt Free Contacts - Surface Mounted4 x Transformer (silent) speed controller - RE 3.0 Amp1 x Speed Controller - REB101 x RDH FLEX-SQUARE - ADH/RDH 04502 x REB-CVF 0-10v Controller1 x REE-2 Electronic Speed Controller2 x MTP 10, 10K, Speed control2 x Speed Controller - REB11 x Speed Controller - REB82 x Vent Axia Silent 100T (TIMER)1 x DDMP 12-12 3F 1810W M6A4 DG03 x Mini Diffuser - 100mm1 x DDMP 09/09 Mounting Flange2 x Elta - Room Sensor - Temp/Humid/C021 x DEF-CBM-RE-7 - Protection Guard1 x GENIOX 11 Internal Mounted Unit1 x CBM Low Pressure Centrifugal Fan - CBM 10/10 4 Pole 550watt CVR1 x Egg Crate Grille with Dust panel filter 1 inch- 595x5951 x KBA- inlet mounting flange for CRMT 2251 x Single Deflection Grille 400mm with OBD damper1 x 220x90mm Insulated Rectangular Horizontal 90° Bend1 x KBA- Inlet Mounting 2801 x Non Vision 150mm x 150mm (Air Transfer) Grille - With Flange - MILL FINISH1 x CBM Low Pressure Centrifugal Fan - CBM 10/10 4 Pole 550watt VR1 x TD160-NT Mixvent - 100mm - TD160 Timer1 x DA9/9-NT1 x CBM Low Pressure Centrifugal Fan - CBM 9/7 4 Pole 373watt CVR1 x Quietflow Twin SQTDCV250-1ECL1 x CBB-60N Centrifugal1 x ACO3TO-ADS-VFC-7.1A1 x IR24-P - Presence detector1 x Egg Crate Grille with Dust panel filter 1 inch- 300x3001 x GENIOX 11 Roof Mounted External Unit1 x DDMP 10-10 1F 1000W M6A2 DA51 x CBT-80N Centrifugal1 x CBM 7/7 147w 4P RE-VR1 x DDMP 07/07 Mounting Flange1 x Envirovent 4 Way Remote Control Switch - SWHBKRF-43 x Vent Axia ACM 125 T (Timer Model) inline mixed flow duct fan1 x Vent Axia ACM 150 T (Timer Model) inline mixed flow duct fan1 x Speed controller with Reverse - REB-1R1 x Remote controller FLEX - for VEKO INT1 x Transformer 5 Speed Controller - ATC1-2TK2 x S&P MULTI-REG EC FAN CONTROLLER / INTERFACE1 x Vent Axia ACM 150 inline mixed flow duct fan1 x Helios TSW 3 Amp Transformer speed controller2 x MWS 3 – Transformer Controller With Motor Protection2 x Single phase speed controller by auto-transformer - RMB 1.5 Amp1 x DEF-140T Inlet Guard for the CBT-100N1 x BEAS-control module2 x Helios HQW-200/2 - IP552 x Two Speed Switch - REGUL-22 x Single phase speed controller by auto-transformer - RMB 8.0 Amp2 x MWS 1.5 – Transformer Controller With Motor Protection2 x Helios HQW-630/4 - IP552 x REE-1 Electronic Speed Controller2 x Helios HQW-200/4 - IP553 x WS - Reversing Switch from Helios Fans2 x TG-R room temperature sensor2 x Isolator Switch - EFF-ISO1 x Speed Controller - REB1-N1 x Commercial Single or 3 phase Fan Reversing Switch - RS11 x Transformer Speed Control - RTRE- 7.0Amp2 x Helios HQW-315/4 - IP551 x Transformer Speed Control - RTRE- 5.0Amp1 x TD Mixvent 800/200 EEXEIIT31 x CBM 9-9 550w 4P VR (Open Motor)2 x Helios HQW-250/4 - IP552 x TG-K Duct temperature sensor1 x Compact SCD450/4-1AC1 x VTR 300 STD Filter Kit1 x GXC6EC - High Performance Extract Fan1 x SAVE VSR 300 heat recovery unit1 x Contactor Interface Station - CI91 x CSB-60 Centrifugal fan1 x Flakt Woods ME 1.6 speed controller 6.0amp - EA9011591 x CFI In-line 150 - Carbon Filter1 x Helios HQW-355/4 - IP551 x VEKA INT 2000/15.0-L1 EKO1 x Helios ESA-1 Surface mounted Speed Control 1amp1 x HIMF - Mixed Flow Fan 100mm Inline Fan2 x Duct Termination with Mesh - 150mm1 x Singleflow SSDL315-1EC1 x DS-2 2-Speed Switch (3 Phase)2 x VTR 500 STD Filter Kit1 x CPTA-E Flush mounted PIR sensor with timer1 x Helios TSW MCB Amp Transformer speed controller1 x Vent Axia ACM 200 inline mixed flow duct fan1 x Three Phase Transformer controllers - RMT 1.5 Amp1 x PM230-TF, AC 230V Damper Actuator, Spring Return, 2 x SPDT, 72C Thermal Fuse2 x TG-K3/NTC10-01 - Duct temperature sensor1 x Elta Turboflow Max TF056J23-A6-10 - THREE PHASE1 x EFSC-3N- Single Phase Speed Control1 x Multiflow SMB550/4-1AC2 x Skyflow SSR Horizontal Roof Cowl SSR31/35BS2 x Elta Variable Speed Drive IP66 - 4.0KW1 x Transformer Speed Control - RTRE- 1.5Amp2 x Bathroom Fan -Envirovent- Silent 100 T (Timer Model)1 x MTS10- extractor fan 3 step switch1 x QPTW 250C Acoustic Twin Fan with Controller1 x CBA-60 Inlet Flange for CBT-601 x TUNE-R-200-3-M4 - Control Damper1 x Speed Controller - REB16
Reviews
Transformer (silent) speed controller - RE 1.5 Amp
Transformer (silent) speed controller - RE 1.5 Amp
£ 132.29

Unbelievable! With TDmixvent500: noise reduction minimum 50%...