• 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


1 x FRQ5-4A V2 Inverter Speed Controller1 x FU 075 52 Frequency Inverter (IP20)1 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 FU 15 40 Frequency Inverter1 x Elta Variable Speed Drive IP66 - 7.5KW2 x Elta Variable Speed Drive IP66 - 2.2KW1 x Elta Variable Speed Drive IP66 - 2.2KW (1ph to 3ph)1 x Elta Variable Speed Drive IP66 - 5.5KW1 x FRQ5-10A Inverter Speed controller2 x Elta Variable Speed Drive IP66 - 1.5KW1 x Frequency converter RUCK - FU 075 201 x Elta Variable Speed Drive IP66 - 4.0KW1 x Frequency converter FU 075 14 - IP661 x FU 22 25 Frequency Inverter1 x Elta Variable Speed Drive IP66 - 0.75KW1 x FU 22 04 Frequency Inverter1 x Frequency converter RUCK - FU 075 211 x FU 075 04 Frequency Inverter (IP20)1 x Helios - FIUK-11KW 24.0A - FREQUENCY INVERTER1 x ELTA - Three Phase Transformer 10amps1 x ELTA - Three Phase Transformer 3amps1 x ATEX rated 3-phase Speed Control - R-DK4 KT (EX)1 x NKS-D swirl diffuser v-300 x 300mm1 x Circular Ceiling Diffuser - TST 1251 x Balance S Diffuser - NO RING - 125mm1 x Circular Ceiling Diffuser - TST 2001 x Curved Blade Grille 600x600 (2way blow)1 x PCA Diffuser - PCA-3151 x Versio Square Ceiling Diffusers - RS141 x Circular Ceiling Diffuser - TST 1601 x Round ceiling diffuser 400mm1 x Round ceiling diffuser 300mm2 x Round ceiling diffuser 200mm1 x Balance S Diffuser - NO RING - 100mm1 x Round ceiling diffuser 250mm1 x Round ceiling diffuser 350mm1 x Run On Timer - 5s - 4hrs - RT5A2 x Remote Timer Control - 13511 x Helios ZNE Electronic Fan Overrun Timer2 x Push Timer Switch - ZA42 x Multi Input Run On Timer - 0 - 20min - CFCU1 x Time Delay Unit - DT20B1 x 7 Day Programmable TIMECLOCK1 x TTC-2000 Three phase electric heater controller1 x ACOAS/ AC/EC Auto Changeover 8Amp1 x ACO8AC/EC AutoChangeover panel1 x EM30-24 Electro-Mechanical Control Panel1 x EC-Vent control board1 x CONTROL ECOWATT - Basic1 x Elta ACO Panel 149-ACO14E1 x ACO 149-ACO1/EDV1 x Elta ACO Panel 149-ACO18B1 x U-EK plastic housing IP65 - for use with the U-EK230E Motor Protection1 x S & P Aluminium Axial Fan Louvre Shutter - PER-CR- 6301 x EC-Vent Room Unit1 x Systemair Save Connect 2.0 Internet Module1 x S & P Aluminium Axial Fan Louvre Shutter - PER-CR- 5001 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 Elta Louvre Shutter - 400mm1 x GRA-100 External Grill by S&P1 x Elta Wall Cowl SWC45/501 x Elta Wall Cowl SWC35/401 x Elta Wall Cowl SWC25/311 x Egg Crate Grille with G2 Dust panel filter 1 inch- 300x3001 x S & P Aluminium Axial Fan Louvre Shutter - PER-CR- 7101 x Single Deflection Grille 400mm with OBD damper1 x Egg Crate Grille with Dust panel filter 1 inch- 595x5951 x Non Vision 150mm x 150mm (Air Transfer) Grille - With Flange - MILL FINISH2 x Mini Diffuser - 100mm1 x Three Phase Transformer controllers - RMT 1.5 Amp1 x Single phase speed controller by auto-transformer - RMB 1.5 Amp1 x Transformer Speed Control - RTRE- 1.5Amp1 x Speed Controller - REB11 x DEF-CBM-RE-7 - Protection Guard1 x CBT-100N Centrifugal1 x Envirovent G4 Filter - SL-G4/F71 x Vent Axia ACM 150 inline mixed flow duct fan1 x Transformer 5 Speed Controller - ATC1-4TK1 x Transformer 5 Speed Controller - ATC1-12TK1 x Vent Axia ACM 200 inline mixed flow duct fan1 x Helios TSW 1.5 Amp Transformer speed controller1 x Vent Axia ACM 125 inline mixed flow duct fan1 x Isolator Switch - ISOSW1 x TG-K Duct temperature sensor1 x CMT-2 200/80 1.1KW - Single inlet centrifugal fan direct driven1 x Elta 6 Amp Electronic single phase speed controller with TK1 x BEAS-control module1 x KMBI 180 Connector rectangular/circular to install on the discharge of CMT1 x CPTA-S PIR SENSOR Volt Free Contacts - Surface Mounted1 x MWS 1.5 – Transformer Controller With Motor Protection1 x TG-K3/NTC10-01 - Duct temperature sensor1 x Transformer (silent) speed controller - RE 3.0 Amp1 x Electronic extractor fan speed controller - FSC 1.51 x Speed Controller - REB51 x REB-CVF 0-10v Controller1 x Transformer (silent) speed controller - RE 5.0 Amp1 x MTP 10, 10K, Speed control1 x Silent 100 Window Kit - windowS1 x Bathroom Fan -Envirovent- Silent 100 T (Timer Model)1 x QPTW 250C Acoustic Twin Fan with Controller1 x PIR Sensor - PIR21 x MTS10- extractor fan 3 step switch1 x PIR Sensor - PIR41 x Elta - Room Sensor - Temp/Humid/C021 x VTR 300 STD Filter Kit1 x Biflow SB400-CON2-3 - High Temperature Bifurcated Fan1 x Quietflow Twin SQTDCV250-1ECL1 x Biflow SB315-CON4-3 - High Temperature Bifurcated Fan1 x Vent Axia ACM 100 inline mixed flow duct fan1 x Single phase speed controller by auto-transformer - RMB 3.5 Amp1 x Transformer (silent) speed controller - RE 1.5 Amp1 x Multiflow SMB550/4-1AC1 x RDH FLEX-SQUARE - ADH/RDH 04501 x CBM 9-9 550w 4P VR (Open Motor)1 x UB47- Universal Insulated Terminal1 x EBM-Papst D4E225-BC01-17 Double inlet1 x LFBR 315 G4 - Helios Inline Filter Box - 315mm1 x CBM Low Pressure Centrifugal Fan - CBM 12/12 6 Pole 736watt CVR1 x AIRVENT speed control - AIR4019611 x Vent Axia ACM 150 T (Timer Model) inline mixed flow duct fan1 x S&P MULTI-REG EC FAN CONTROLLER / INTERFACE1 x Transformer 5 Speed Controller - ATC1-10TK1 x Speed Controller - REB101 x Transformer Speed Control - RTRE- 7.0Amp1 x REE-2 Electronic Speed Controller1 x Speed Controller - REB1-N1 x Vent Axia Silent 100T (TIMER)1 x CBM Low Pressure Centrifugal Fan - CBM 10/10 4 Pole 550watt CVR1 x Speed Controller - REB81 x EBM-Papst D3G133-BF05-14 Double inlet1 x RD35S-4DW.6W.3L - 122297 (Three Phase)
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 ...