• 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 Smoke Extract Axial Fan Series AXC 315 (B)1 x Elta SPA500/4-1AC - IP541 x DryBoat 12 - DH1200 INOX 12 Litre Desiccant Dehumidifier1 x PCA Diffuser - PCA-3151 x Circular Ceiling Diffuser - TST 1001 x Circular Ceiling Diffuser - TST 1601 x Round ceiling diffuser 400mm1 x Round ceiling diffuser 300mm1 x Round ceiling diffuser 200mm2 x Speed Controller - REB51 x Elta ACO Panel 149-ACO18B1 x ACO 149-ACO1/EDV3 x Systemair Save Connect 2.0 Internet Module1 x EM30-24 Control Panel Commissioning Service1 x EC-Vent Room Unit1 x U-EK plastic housing IP65 - for use with the U-EK230E Motor Protection1 x CBM Low Pressure Centrifugal Fan - CBM 10/10 6 Pole 245watt CVR1 x D2E-146-AP47-751 x Small Centrifugal Fans CBM/2-133/190 185w1 x EBM-Papst D3G133-BF05-14 Double inlet1 x Small Centrifugal Fan - CBM/4-160/150-125 W1 x D2E146-AP47-331 x Small Centrifugal Fan - CBM/4-180/184-150 W1 x G2E160−AL19−56 FLUE FAN1 x EBM-Papst D3G160-BP03-15 Double inlet2 x Vent Axia ACM 100 T (Timer Model) inline mixed flow duct fan1 x Round ceiling diffuser 250mm2 x Isolator Switch - ISOSW1 x EM30-24 Electro-Mechanical Control Panel1 x Multileaf Volume Control Dampers -500/500 Rectangular Flanged2 x Transformer 5 Speed Controller - ATC1-2TK1 x RTRD - Three Phase Speed Controller - 2 Amp2 x Transformer 5 Speed Controller - ATC1-8TK1 x Transformer 5 Speed Controller - ATC1-12TK1 x Helios TSW 10 Amp Transformer speed controller1 x RDS 11 Helios Transformer Controller With Motor Protection1 x Helios TSW MCB Amp Transformer speed controller1 x Helios TSW 1.5 Amp Transformer speed controller2 x CS2 Current Switch1 x RTRD - Three Phase Speed Controller - 4 Amp1 x HCFC 1.7 - Reversible Speed Controller for HCF sweep fans1 x Helios TSW 7.5 Amp Transformer speed controller2 x Vent Axia ACM 125 inline mixed flow duct fan1 x Multi Input Run On Timer - 0 - 20min - CFCU2 x Vent Axia ACM 125 T (Timer Model) inline mixed flow duct fan2 x Vent Axia ACM 150 inline mixed flow duct fan1 x Transformer 5 Speed Controller - ATC1-10TK1 x Push Timer Switch - ZA42 x TG-K Duct temperature sensor2 x MWS 3 – Transformer Controller With Motor Protection2 x Envirovent Silent MV160/100T Mixvent - Timer Model - 100mm - (5 year warranty)2 x DEF-140T Inlet Guard for the CBT-100N1 x Vent Axia ACM 100 inline mixed flow duct fan1 x TD EVO-100 PF ECOWATT - Environmentally Friendly Energy Efficient Inline Fan2 x Single phase speed controller by auto-transformer - RMB 10.0 Amp1 x KMBI 180 Connector rectangular/circular to install on the discharge of CMT1 x CMT-2 200/80 1.1KW - Single inlet centrifugal fan direct driven2 x 7 Day Programmable TIMECLOCK1 x Two Speed Switch - REGUL-22 x MWS 1.5 – Transformer Controller With Motor Protection1 x Helios HQW-630/4 - IP551 x Airvent ceiling fan controller2 x Single phase speed controller by auto-transformer - RMB 1.5 Amp1 x Elta 6 Amp Electronic single phase speed controller with TK2 x CBS-60 Outlet Flange for CSB/CBT-602 x Multiflow SMB550/4-1AC2 x Transformer (silent) speed controller - RE 1.5 Amp2 x WS - Reversing Switch from Helios Fans2 x Speed Controller - REB31 x ERR 20/1 Centrifugal inline fan1 x Insulated extract Plenum 8+11 x Skyflow SSR Horizontal Roof Cowl SSR31/35B2 x Elta Variable Speed Drive IP66 - 0.75KW1 x Single phase speed controller by auto-transformer - RMB 3.5 Amp2 x Commercial Single or 3 phase Fan Reversing Switch - RS12 x Vent Axia ACM 200 inline mixed flow duct fan1 x Transformer (silent) speed controller - RE 3.0 Amp1 x Elta Variable Speed Drive IP66 - 2.2KW1 x Remote Timer Control - 13512 x REB-CVF 0-10v Controller1 x SG-200 Fan Guard for the HQW 2001 x Elta Variable Speed Drive IP66 - 0.37KW (1ph to 3ph)1 x KKS 100 silencer-section - For use with the MUB 100 size Fans.1 x Speed Controller - REB61 x Elta Variable Speed Drive IP66 - 7.5KW2 x Speed Controller - REB102 x Electronic extractor fan speed controller - FSC 1.52 x Transformer (silent) speed controller - RE 5.0 Amp2 x Silent 100 Window Kit - windowS3 x MTP 10, 10K, Speed control1 x DDMP 09-09 3F 2130W M6A4 DG03 x Speed Controller - REB1-N2 x Temperature Fan Speed Controller - ATCP4-WMS1 x Elta 3 Amp Electronic single phase speed controller with TK1 x Skyflow SSR Horizontal Roof Cowl SSR31/35BS2 x PIR Sensor - PIR22 x Vent Axia Silent 100T (TIMER)3 x UB47- Universal Insulated Terminal2 x Helios TSW 3 Amp Transformer speed controller1 x Helios HQW-250/4 - IP552 x Transformer 5 Speed Controller - ATC1-4TK1 x DDMP 12-12 3F 1810W M6A4 DG01 x Elta Variable Speed Drive IP66 - 4.0KW1 x Elta 10 Amp Electronic single phase speed controller.2 x Transformer Speed Control - RTRE- 7.0Amp2 x PIR Sensor - PIR42 x Speed Controller - REB81 x 220x90mm Insulated Rectangular Vertical 90° Bend1 x 220x90mm Insulated Rectangular Vertical 45° Bend2 x TD Mixvent 800/200 EEXEIIT31 x 220x90mm Insulated Rectangular Horizontal 90° Bend1 x Elta 3 Amp Electronic single phase speed controller.1 x 220x90mm Insulated Rectangular Horizontal 45° Bend2 x QPTW 250C Acoustic Twin Fan with Controller2 x DDMP 10-08 3F 2210W M6A4 DG01 x Bathroom Fan -Envirovent- Silent 100 T (Timer Model)1 x 204x60mm Insulated Rectangular Vertical 45° Bend1 x 204x60mm Insulated Rectangular Vertical 90° Bend2 x ELM 18 EX Flexible Cuff for ERM 181 x Vent Axia ACM 150 T (Timer Model) inline mixed flow duct fan1 x Helios TSW 0.3Amp Compact Transformer speed controller1 x DVG-H 560D4/F400 IE2 - Smoke extract roof unit2 x Speed Controller - REB11 x Mini Diffuser - 100mm2 x MTS10- extractor fan 3 step switch1 x KMBI 225 Connector rectangular/circular to install on the discharge of CMT1 x TG-K3/NTC10-01 - Duct temperature sensor1 x Helios HQW-200/4 - IP551 x Compact SCD450/4-1AC1 x Duct Termination with Mesh - 355mm2 x CBM 9-9 550w 4P VR (Open Motor)1 x Elta 6 Amp Electronic single phase speed controller.1 x FRQ-10A V2 Inverter Speed controller1 x Elta Variable Speed Drive IP66 - 1.5KW1 x Transformer Speed Control - RTRE- 5.0Amp1 x Quietflow SQS100-1ECL - Centrifugal Box Fan1 x Transformer speed controller - ATC1 - 1.5 Amps1 x AXC TP - 100mm Plastic Centrifugal Inline Fan1 x REU 1.5amp Speed control - Two Speed Five-Step Transformer - Trickle and Boost1 x Helios HQW-200/2 - IP551 x DDMP 09/09 Mounting Flange1 x Transformer Speed Control - RTRE- 3.0Amp1 x CMT-2 225/090 1.1KW - Single inlet centrifugal fan direct driven1 x Helios PU10 Speed Potentiometer (Flush Mounted)1 x VTR 300 STD Filter Kit1 x LFBR 315 G4 - Helios Inline Filter Box - 315mm
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 ...