• Model:SJMF-S250-1EC

Jetflow Silent SJMF-S 250-1EC

£ 692.72 (excl. VAT)

£ 831.26 (inc. VAT)

Jetflow Silent SJMF-S 250-1EC

• 3 standard sizes from 250mm
• Air volume flow rates up to 0.442 m3/s
• Static pressures up to 343 Pa
• Suitable for operating temperatures up to +60℃
• Acoustic design for low noise levels
• Low Specific Fan Powers
• Available in EC

Typical Applications
• Schools
• Colleges
• Shops
• Retail Parks
• Commercial
• Hotels
• Restaurants
• Cafes
• Cafeterias
• Pubs
• Offices
• General HVAC

Control
Supplied suitable for fixed speed
operation. A Detachable 5 metre lead
with 3.5mm jack connection to the unit
is supplied for connection to a remote
potentiometer, 0-10VDC or PWM Circuit.

Electrical Connection
Electrical connection via 1.5 metre Mains
lead complete with BS1363-1 UK 3-pin
plug BS1361 fuse 3A

Construction
Manufactured with aluminium or cold
rolled steel sheet, dependant on size.

Motor
Brushless EC motors are fitted as
standard. The IPX4 motor contains
sealed for life heavy duty NWB bearings.
All motors are suitable for use in ambient
air conditions up to +60℃.

PDF Files


2 x Vent Axia ACM 150 T (Timer Model) inline mixed flow duct fan3 x Elta Variable Speed Drive IP66 - 2.2KW1 x FU 22 25 Frequency Inverter1 x FU 075 52 Frequency Inverter (IP20)1 x Curved Blade Grille 600x600 (2way blow)1 x ELTA - Single Phase Transformer 8amps3 x Elta 6 Amp Electronic single phase speed controller with TK2 x Helios ZNE Electronic Fan Overrun Timer3 x Push Timer Switch - ZA41 x Time Delay Unit - DT20B3 x Multi Input Run On Timer - 0 - 20min - CFCU4 x 7 Day Programmable TIMECLOCK1 x TTC-2000 Three phase electric heater controller5 x ACOAS/ AC/EC Auto Changeover 8Amp5 x ACO8AC/EC AutoChangeover panel1 x Elta ACO Panel 149-ACO14E1 x EC-Vent control board1 x CONTROL ECOWATT - Basic1 x ACO 149-ACO1/EDV1 x EM30-24 Electro-Mechanical Control Panel1 x Elta ACO Panel 149-ACO18B1 x S & P Aluminium Axial Fan Louvre Shutter - PER-CR- 6301 x Easy-fix termination kit - High Rise Ventilator - EFT5 x Systemair Save Connect 2.0 Internet Module1 x EM30-24 Control Panel Commissioning Service1 x S & P Aluminium Axial Fan Louvre Shutter - PER-CR- 3551 x Elta Wall Cowl SWC56/631 x GRA-100 External Grill by S&P1 x Elta Wall Cowl SWC45/501 x Elta Wall Cowl SWC25/311 x Elta Louvre Shutter - 400mm1 x Elta Wall Cowl SWC35/401 x S & P Aluminium Axial Fan Louvre Shutter - PER-CR- 7101 x Egg Crate Grille with G2 Dust panel filter 1 inch- 300x3001 x Jet Cowl - 315mm1 x Egg Crate Grille with Dust panel filter 1 inch- 595x5951 x Single Deflection Grille 400mm with OBD damper1 x Non Vision 150mm x 150mm (Air Transfer) Grille - With Flange - MILL FINISH3 x Mini Diffuser - 100mm1 x Egg Crate Grille with Dust panel filter 1 inch- 300x3006 x Vent Axia ACM 100 T (Timer Model) inline mixed flow duct fan2 x FRQ5-4A V2 Inverter Speed Controller4 x Elta Variable Speed Drive IP66 - 1.5KW3 x ELTA - Three Phase Transformer 3amps1 x Elta 10 Amp Electronic single phase speed controller.1 x NKS-D swirl diffuser v-300 x 300mm1 x Helios - FIUK-11KW 24.0A - FREQUENCY INVERTER1 x ELTA - Single Phase Transformer 2amps4 x Electronic extractor fan speed controller - FSC 1.51 x Circular Ceiling Diffuser - TST 1004 x EC6H - Reversible Group Fan Electronic Controller3 x Round ceiling diffuser 400mm3 x Vent Axia ACM 150 inline mixed flow duct fan4 x COM-33 x Round ceiling diffuser 300mm1 x ELTA - Single Phase Transformer 12amps4 x Round ceiling diffuser 250mm3 x Remote Timer Control - 13512 x Run On Timer - 5s - 4hrs - RT5A4 x Envirovent Silent MV160/100T Mixvent - Timer Model - 100mm - (5 year warranty)6 x Transformer (silent) speed controller - RE 3.0 Amp2 x Multiflow SMB550/4-1AC7 x Speed Controller - REB1-N6 x QPTW 250C Acoustic Twin Fan with Controller3 x PIR Sensor - PIR43 x SAVE VSR 300 heat recovery unit5 x VTR 500 STD Filter Kit2 x KBA- Inlet Mounting 2253 x Remote controller FLEX - for VEKO INT2 x S&P MULTI-REG EC FAN CONTROLLER / INTERFACE2 x REU 1.5amp Speed control - Two Speed Five-Step Transformer - Trickle and Boost5 x Helios TSW 7.5 Amp Transformer speed controller3 x HCFC 1.7 - Reversible Speed Controller for HCF sweep fans5 x Transformer 5 Speed Controller - ATC1-4TK2 x Transformer 5 Speed Controller - ATC1-10TK3 x Transformer 5 Speed Controller - ATC1-12TK6 x Vent Axia ACM 125 inline mixed flow duct fan3 x RDS 11 Helios Transformer Controller With Motor Protection3 x Three Phase Transformer controllers - RMT 1.5 Amp5 x Helios TSW 10 Amp Transformer speed controller5 x Helios TSW 1.5 Amp Transformer speed controller1 x Vent Axia ACM 200 inline mixed flow duct fan3 x DEF-140T Inlet Guard for the CBT-100N4 x MWS 3 – Transformer Controller With Motor Protection2 x TG-K Duct temperature sensor2 x Single phase speed controller by auto-transformer - RMB 10.0 Amp2 x CMT-2 200/80 1.1KW - Single inlet centrifugal fan direct driven3 x MWS-75 Transformer controller with TK -7.5A3 x Two Speed Switch - REGUL-23 x Vent Axia T-Series Controller3 x Envirovent G4 Filter - SL-G4/F73 x Helios HQW-630/4 - IP551 x Helios HQW-200/2 - IP553 x KMBI 180 Connector rectangular/circular to install on the discharge of CMT3 x CBS-60 Outlet Flange for CSB/CBT-604 x Speed Controller - REB33 x Transformer (silent) speed controller - RE 1.5 Amp4 x Speed Controller - REB55 x CS2 Current Switch4 x Speed Controller - REB102 x FAST-TRACK RANGE 75mm - Click Ring (1 bag of 10)3 x Transformer (silent) speed controller - RE 5.0 Amp3 x Commercial Single or 3 phase Fan Reversing Switch - RS15 x Transformer Speed Control - RTRE- 7.0Amp3 x Transformer Speed Control - RTRE- 5.0Amp2 x Quietflow SQS400-1ECL - Centrifugal Box Fan4 x REB-CVF 0-10v Controller3 x Transformer Speed Control - RTRE- 1.5Amp3 x CBM 9-9 550w 4P VR (Open Motor)4 x MTP 10, 10K, Speed control2 x PIR Sensor - PIR24 x Speed Controller - REB11 x Bathroom Fan -Envirovent- Silent 100 T (Timer Model)2 x MEV Spider Wireless boost Switch - MEV-SWH-W1 x FFR 355 Filter Cassette2 x TD Mixvent 800/200 EEXEIIT35 x Silent 100 Window Kit - windowS2 x DEF-CBM-RE-7 - Protection Guard4 x Speed Controller - REB82 x Speed Controller - REB2.5-N4 x DDMP 12-12 3F 1810W M6A4 DG05 x CBM Low Pressure Centrifugal Fan - CBM 10/10 4 Pole 550watt CVR2 x DDMP 09/09 Mounting Flange2 x Contactor Interface Station - CI94 x CBT-100N Centrifugal2 x Elta 6 Amp Electronic single phase speed controller.2 x Compact SCD450/4-1AC3 x CBM Low Pressure Centrifugal Fan - CBM 10/10 4 Pole 550watt VR2 x Silentub - STUB 1003 x AIRVENT speed control - AIR4019611 x GENIOX 11 Internal Mounted Unit2 x Speed Controller - REB163 x VEKA INT 2000/15.0-L1 EKO1 x LFBR 315 G4 - Helios Inline Filter Box - 315mm3 x CBM Low Pressure Centrifugal Fan - CBM 9/7 4 Pole 373watt CVR1 x CBP-18/18-RC Belt Driven Centrifugal Fans1 x Electrostatic Precipitator - 1H x 3W1 x EBM-Papst D3G133-BF05-14 Double inlet3 x Biflow SB400-CON2-3 - High Temperature Bifurcated Fan2 x TD160-NT Mixvent - 100mm - TD160 Timer4 x CBA-100 Inlet Flange for CBT-1002 x CO2 Room Sensor - CO2-R2 x Vertical Cowl and Fan (Single Phase) - RAV400-4-12 x CSB-60 Centrifugal fan2 x CBT-130N Centrifugal ATEX II 3D ExtD 125*C3 x TUNE-R-250-3-M0 - Control Damper (NO ACTUATOR)2 x Duct Termination with Mesh - 100mm2 x CFI In-line 150 - Carbon Filter2 x IR24-P - Presence detector1 x CBT-80N Centrifugal7 x 100mm Round Connector with Damper2 x CMT-2 120/50 - 0,09Kw - LG270 Single inlet centrifugal fan direct driven3 x CBM Low Pressure Centrifugal Fan - CBM 9/9 4 Pole 550watt 3V (3-Speed)2 x ACO3TO-ADS-VFC-7.1A2 x Quietflow Twin SQTDCV250-1ECL2 x Elta SCP400/4-1AC - IP554 x Duct Termination with Mesh - 150mm1 x CBM 7/7 147w 4P RE-VR2 x Binks Bullows - Spray Booth Filter2 x DDMP 07/07 Mounting Flange3 x DDMP 10-10 1F 1000W M6A2 DA52 x Vent Axia Trickle & Boost Switch2 x CBM Low Pressure Centrifugal Fan - CBM 9/9 4 Pole 550watt C VR1 x KBA- Inlet Mounting 1803 x CBB-60N Centrifugal3 x Envirovent 4 Way Remote Control Switch - SWHBKRF-46 x Vent Axia ACM 125 T (Timer Model) inline mixed flow duct fan2 x Transformer 5 Speed Controller - ATC1-8TK2 x Capacitor 2uf for use with the EBM A4E range2 x RTRD - Three Phase Speed Controller - 2 Amp5 x Helios TSW 3 Amp Transformer speed controller3 x Helios TSW MCB Amp Transformer speed controller2 x Isolator Switch - ISOSW3 x KMBI 225 Connector rectangular/circular to install on the discharge of CMT4 x Single phase speed controller by auto-transformer - RMB 3.5 Amp5 x Single phase speed controller by auto-transformer - RMB 1.5 Amp2 x TD EVO-100 PF ECOWATT - Environmentally Friendly Energy Efficient Inline Fan1 x Single phase speed controller by auto-transformer - RMB 8.0 Amp3 x Elta 3 Amp Electronic single phase speed controller with TK1 x ERR 20/1 Centrifugal inline fan3 x WS - Reversing Switch from Helios Fans4 x MWS 1.5 – Transformer Controller With Motor Protection2 x REE-1 Electronic Speed Controller2 x Transformer Speed Control - RTRE- 12.0Amp4 x TG-K3/NTC10-01 - Duct temperature sensor2 x Airvent ceiling fan controller2 x Helios HQW-200/4 - IP555 x Skyflow SSR Horizontal Roof Cowl SSR31/35B4 x Helios HQW-315/4 - IP552 x Skyflow SSR Horizontal Roof Cowl SSR31/35BS2 x CBA-60 Inlet Flange for CBT-602 x CMT-2 225/090 1.1KW - Single inlet centrifugal fan direct driven2 x Helios HQW-250/4 - IP553 x CMT/4-315/130-4KW - Single inlet centrifugal fan direct driven2 x KBA- inlet mounting flange for CRMT 2504 x CBM Low Pressure Centrifugal Fan - CBM 12/12 6 Pole 736watt CVR2 x AXC TP - 100mm Plastic Centrifugal Inline Fan5 x Helios RR-250-C Centrifugal inline fan1 x Round ceiling diffuser 200mm1 x Elta SCP500/4-1AC - IP552 x Flakt Woods ME 1.6 speed controller 6.0amp - EA9011592 x Helios HQW-355/4 - IP551 x GENIOX 11 Roof Mounted External Unit1 x Flakt Woods ME 1.3 speed controller 3amp - EA9011582 x Flakt Woods ME 1.1 speed controller 1amp - EA9011571 x Helios TSW 0.3Amp Compact Transformer speed controller3 x MWS 5 – Transformer Controller With Motor Protection Unit2 x MV-B Dual Switch for use with Helios HQW plate fans,3 x Vent Axia ACM 100 inline mixed flow duct fan1 x ERR 31/1 Centrifugal inline fan3 x Elta Variable Speed Drive IP66 - 0.75KW2 x Helios PU10 Speed Potentiometer (Flush Mounted)2 x SG-200 Fan Guard for the HQW 2006 x MTS10- extractor fan 3 step switch5 x UB47- Universal Insulated Terminal2 x VTR 300 STD Filter Kit1 x KBA- inlet mounting flange for CRMT 2252 x Envirovent Silent MV160/100S Mixvent - 100mm - (5 year warranty)5 x Helios ESA-1 Surface mounted Speed Control 1amp2 x Lo-Carbon Silhouette 100T (Timer)2 x REU 3amp Speed control - Two Speed Five-Step Transformer - Trickle and Boost6 x Transformer 5 Speed Controller - ATC1-2TK4 x REU 7amp Speed control - Two Speed Five-Step Transformer - Trickle and Boost2 x Transformer speed controller - ATC1 - 1.5 Amps2 x Vent Axia SC5001 - Speed controller3 x KMBI 315 Connector rectangular/circular to install on the discharge of CMT1 x RR EC 160 Centrifugal inline fan - Energy Efficient Motor1 x Skyflow SSR Horizontal Roof Cowl SSR80B2 x TUNE-R-200-3-M1 - Control Damper1 x Elta Variable Speed Drive IP66 - 7.5KW2 x Elta Variable Speed Drive IP66 - 0.37KW (1ph to 3ph)2 x Elta 2 Amp Electronic single phase speed controller.3 x FRQ5-10A Inverter Speed controller2 x Elta Variable Speed Drive IP66 - 4.0KW2 x TUNE-R-200-3-M4 - Control Damper6 x DDMP 10-08 3F 2210W M6A4 DG01 x Elta Variable Speed Drive IP66 - 5.5KW4 x Duct Termination with Mesh - 355mm2 x TUNE-R-200-3-M2 - Control Damper2 x HIMF - Mixed Flow Fan 100mm Inline Fan6 x Duct Termination with Mesh - 450mm3 x DDMP 12-12 3F 5700W M6M0 DG73 x Potentiometer EGH 01 - for DDMP Fans3 x 204 x 60mm Duct to Fitting Connector for use with Insulated Thermal Ducting2 x Flat Roof Terminal -OFT 5 - Asphalt2 x HIMF - Mixed Flow Fan 125mm Inline Fan2 x RUCK MTP 20, 10K, Speed control1 x KBA- Inlet Mounting 3151 x GXC6EC - High Performance Extract Fan2 x 110 x 54mm Round to Rectangular Adaptor - Long1 x TUNE-R-200-3-M0 - Control Damper (NO ACTUATOR)3 x Biflow SB315-CON4-3 - High Temperature Bifurcated Fan2 x Biflow SB250-CON4-3 - High Temperature Bifurcated Fan2 x Duct Termination with Mesh - 250mm1 x Twinflow STDL315-1EC1 x CMT-2 180/75 0.75KW - Single inlet centrifugal fan with inlet and outlet flange connections - 200mm2 x DDMP 12-09 1F 1800W M6A4 DA81 x RDS 7 Helios Transformer Controller With Motor Protection1 x KKS 100 silencer-section - For use with the MUB 100 size Fans.1 x TUNE-R-315-3-M4 - Control Damper1 x CK-60F Kit2 x WSD 100 (1060x1060x70)1 x CCpro 40 (1CC9402) Long Casing Extension1 x Elta - Room Sensor - Temp/Humid/C021 x Quietflow SQS100-1ECL - Centrifugal Box Fan2 x CBM Low Pressure Centrifugal Fan - CBM 10/8 4 Pole 373watt CVR1 x Duct Termination with Mesh - 400mm2 x Quietflow SQS250-1ECL - Centrifugal Box Fan2 x CAD-COMPACT 900 ADVANCED N8 - MVHR unit2 x DPD 12PM Delivery Surcharge1 x Transformer Speed Control - RTRE- 3.0Amp1 x Duct Termination with Mesh - 710mm2 x SD-MUB Vibration pad set1 x Speed Controller - REB61 x Control switch - CR1501 x Singleflow SSDL315-1EC2 x Isolator Switch - EFF-ISO1 x TD Mixvent 1100/250 EEXEIIT32 x Temperature Fan Speed Controller - ATCP4-WMS1 x TDP-D Pressure Sensor with Display2 x Clearflow CF Roof Mounted Vertical Discharge Centrifugal Fan - CF450/4-1AC - Single Phase1 x KAD-355-F400 Rectangle Flexible Connector2 x TEM 075 - 5 Speed Transformer Speed Control2 x DDMP 09-09 3F 2130W M6A4 DG01 x ENV 100 12v transformer SELV2 x KBA- Inlet Mounting 3553 x CMT/4-250-100 1.1KW - Single inlet centrifugal fan direct driven ( LG-90)1 x DS-2/2 2-Speed Switch IP54 (Single Phase)1 x Clearflow CF Roof Mounted Vertical Discharge Centrifugal Fan - CF315/4-1AC - Single Phase1 x TUNE-R-200-3-M3 - Control Damper1 x CBB-80N Centrifugal1 x RTRD - Three Phase Speed Controller - 4 Amp2 x KMBI 250 Connector rectangular/circular to install on the discharge of CMT1 x KBA- Inlet Mounting 2501 x Speed controller with Reverse - REB-1R2 x Vortice Quadro Micro 100 I - Standard Version2 x Vent Axia Silent 100T (TIMER)2 x CBM 12-12 1100w 6P Three Phase1 x RD35S-4DW.6W.3L - 122297 (Three Phase)1 x Comefri - TLZ 450 R - High Performance Scroll Fan1 x CBS-100 Outlet Flange for CBT-1001 x CBM Low Pressure Centrifugal Fan - CBM 7/7 6 Pole 72watt CVR
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 ...