• Model:CAB-250N

Acoustic Box Fans (Inline) - CAB-250N

£ 470.94 (excl. VAT)

£ 565.13 (inc. VAT)

The CAB Acoustic inline fan series is manufactured by S&P and continuing their range of quiet fans, this range of attenuated cabinet fans are specifically designed to provide extract ventilation solutions for noise sensitive environments. The range comprises of six nominal sizes.

In the larger sizes these fans are quieter than the mixvent fans and develop more pressure. (See sound levels below)

Max Airflow: 1185 m3/h
Max Power: 400 Watts
Max Current: 1.73 Amps
Sound pressure Level (dB(A))@3m: 31db - Radiated
Temperature Range: -20/+40*C
Weight: 27 Kgs
Part Num: 5113216500

Compare these to other inline box fans with the same measure, (dB @ 3M) and they come out on top. Also made of metal and not anything that is a fire risk such as MDF or wood! Combined with an attenuator these are as quiet as you can get for the money.

All models incorporate single phase, 230V 50Hz, direct drive low pressure centrifugal fans available in two (2) or four (4) pole speeds. All models are supplied with a remote mounting wiring outlet box to facilitate installation and connection to external controls.

Applications
They are suitable for many general ventilation applications where the noise level of the ventilation system is of particular importance. Typical applications would include ventilation systems for:
- Commercial offices.
- Restaurants and cafes.
- Libraries and public buildings etc.

Construction
Casing
The fan casings are manufactured from heavy gauge galvanised sheet steel and internally lined with an acoustic insulation material. All models incorporate inlet and discharge circular duct connection flanges with integrated rubber air seal. The specific design of the products enables a cover to be removed and the motor / impeller assembly accessed without the requirement of removing the fan casing from the ducting. The fan cover is supplied as standard with quick-fix fixings to enable fast removal or fitting without tools. All models are also supplied with four mounting feet to facilitate any ceiling, wall or floor mounting installation.
Motor / Impeller
All models incorporate a single phase, 230V 50Hz, direct-drive low pressure forward curved centrifugal fan (with scroll). All motors included in the CAB range are of, enclosed, type and are fully speed controllable using voltage regulation.

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PDF Files


CAB Series Data Sheet


CAB-200 Data Sheet

6 x Vent Axia ACM 100 T (Timer Model) inline mixed flow duct fan2 x Elta Variable Speed Drive IP66 - 2.2KW1 x FU 15 40 Frequency Inverter1 x Helios TSD 3.0 Transformer Speed Control (400v)1 x Elta Variable Speed Drive IP66 - 7.5KW2 x FRQ5-4A V2 Inverter Speed Controller1 x FRQ-10A V2 Inverter Speed controller4 x Elta Variable Speed Drive IP66 - 0.75KW1 x FU 22 25 Frequency Inverter1 x FU 075 52 Frequency Inverter (IP20)1 x Frequency converter RUCK - FU 075 201 x Elta Variable Speed Drive IP66 - 4.0KW1 x Frequency converter FU 075 14 - IP663 x FRQ5-10A Inverter Speed controller1 x FU 15 16 Frequency Inverter1 x Elta Variable Speed Drive IP66 - 5.5KW4 x Elta Variable Speed Drive IP66 - 1.5KW2 x Elta 10 Amp Electronic single phase speed controller.1 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 Elta Variable Speed Drive IP66 - 2.2KW (1ph to 3ph)1 x Helios - FIUK-11KW 24.0A - FREQUENCY INVERTER1 x Circular Ceiling Diffuser - TST 1251 x Curved Blade Grille 600x600 (2way blow)4 x AIRVENT speed control - AIR4019618 x Vent Axia ACM 125 inline mixed flow duct fan6 x Single phase speed controller by auto-transformer - RMB 1.5 Amp3 x Remote Timer Control - 13511 x Run On Timer - 5s - 4hrs - RT5A2 x Push Timer Switch - ZA41 x Helios ZNE Electronic Fan Overrun Timer5 x Multi Input Run On Timer - 0 - 20min - CFCU1 x Time Delay Unit - DT20B2 x 7 Day Programmable TIMECLOCK6 x Transformer (silent) speed controller - RE 3.0 Amp1 x ACOAS/ AC/EC Auto Changeover 8Amp1 x ACO8AC/EC AutoChangeover panel1 x Elta ACO Panel 149-ACO14E1 x EC-Vent control board1 x CONTROL ECOWATT - Basic1 x EM30-24 Electro-Mechanical Control Panel1 x ACO 149-ACO1/EDV3 x REB-CVF 0-10v Controller1 x S & P Aluminium Axial Fan Louvre Shutter - PER-CR- 6301 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- 5004 x Systemair Save Connect 2.0 Internet Module1 x EC-Vent Room Unit1 x Easy-fix termination kit - High Rise Ventilator - EFT1 x EM30-24 Control Panel Commissioning Service5 x QPTW 250C Acoustic Twin Fan with Controller1 x Elta Wall Cowl SWC56/631 x GRA-100 External Grill by S&P1 x Elta Louvre Shutter - 400mm1 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 - 315mm1 x Egg Crate Grille with G2 Dust panel filter 1 inch- 300x3002 x HCFC 1.7 - Reversible Speed Controller for HCF sweep fans1 x FU 075 04 Frequency Inverter (IP20)1 x Frequency converter RUCK - FU 075 211 x FU 22 04 Frequency Inverter3 x Transformer 5 Speed Controller - ATC1-12TK1 x ELTA - Single Phase Transformer 2amps2 x Vent Axia ACM 150 inline mixed flow duct fan1 x Balance S Diffuser - NO RING - 125mm1 x PCA Diffuser - PCA-3155 x Electronic extractor fan speed controller - FSC 1.51 x Circular Ceiling Diffuser - TST 1001 x Circular Ceiling Diffuser - TST 2002 x EC6H - Reversible Group Fan Electronic Controller2 x Round ceiling diffuser 400mm2 x Three Phase Transformer controllers - RMT 1.5 Amp1 x Balance S Diffuser - NO RING - 100mm2 x Round ceiling diffuser 250mm1 x TG-K Duct temperature sensor2 x Envirovent Silent MV160/100T Mixvent - Timer Model - 100mm - (5 year warranty)5 x PIR Sensor - PIR44 x UB47- Universal Insulated Terminal1 x CO2 Room Sensor - CO2-R4 x S&P MULTI-REG EC FAN CONTROLLER / INTERFACE4 x REU 1.5amp Speed control - Two Speed Five-Step Transformer - Trickle and Boost5 x Transformer 5 Speed Controller - ATC1-4TK2 x CS2 Current Switch1 x Round ceiling diffuser 350mm3 x Elta 6 Amp Electronic single phase speed controller.2 x COM-31 x PCA Diffuser - PCA-2501 x BEAS-control module5 x Elta 6 Amp Electronic single phase speed controller with TK1 x CMT-2 200/80 1.1KW - Single inlet centrifugal fan direct driven2 x WS - Reversing Switch from Helios Fans1 x Envirovent G4 Filter - SL-G4/F74 x MWS 1.5 – Transformer Controller With Motor Protection1 x Vent Axia T-Series Controller3 x Airvent ceiling fan controller4 x TG-K3/NTC10-01 - Duct temperature sensor1 x CPTA-S PIR SENSOR Volt Free Contacts - Surface Mounted2 x Transformer (silent) speed controller - RE 5.0 Amp3 x Commercial Single or 3 phase Fan Reversing Switch - RS12 x FAST-TRACK RANGE 75mm - Click Ring (1 bag of 10)1 x Quietflow SQS400-1ECL - Centrifugal Box Fan1 x Envirovent 4 Way Remote Control Switch - SWHBKRF-45 x Vent Axia ACM 125 T (Timer Model) inline mixed flow duct fan2 x Transformer 5 Speed Controller - ATC1-10TK4 x Remote controller FLEX - for VEKO INT2 x Transformer 5 Speed Controller - ATC1-8TK4 x Helios TSW 3 Amp Transformer speed controller1 x JSR 200 Painted RAL50181 x Circular Ceiling Diffuser - TST 1601 x Elta 2 Amp Electronic single phase speed controller.5 x Helios TSW 1.5 Amp Transformer speed controller1 x ELTA - Single Phase Transformer 8amps1 x EFSC-3N- Single Phase Speed Control1 x ELTA - Single Phase Transformer 16amps1 x Elta 3 Amp Electronic single phase speed controller.1 x ELTA - Single Phase Transformer 12amps2 x Round ceiling diffuser 200mm2 x Vent Axia ACM 200 inline mixed flow duct fan2 x Vent Axia ACM 100 inline mixed flow duct fan1 x Round ceiling diffuser 300mm1 x ELTA - Single Phase Transformer 4amps4 x Elta Variable Speed Drive IP66 - 0.37KW (1ph to 3ph)4 x Isolator Switch - ISOSW4 x MWS 3 – Transformer Controller With Motor Protection2 x Single phase speed controller by auto-transformer - RMB 8.0 Amp2 x Helios HQW-200/2 - IP554 x Helios HQW-630/4 - IP552 x REE-1 Electronic Speed Controller4 x Helios HQW-315/4 - IP552 x Vent Axia Silent 100T (TIMER)2 x Speed Controller - REB2.5-N2 x VTR 300 STD Filter Kit2 x Skyflow SSR Horizontal Roof Cowl SSR31/35BS4 x MTP 10, 10K, Speed control1 x Three Phase Transformer controllers - RMT 2.5 Amp2 x SAVE VSR 300 heat recovery unit1 x Silentub - STUB 1001 x Vent Axia ACM 150 T (Timer Model) inline mixed flow duct fan3 x Temperature Fan Speed Controller - ATCP4-WMS6 x Transformer 5 Speed Controller - ATC1-2TK4 x Helios TSW 7.5 Amp Transformer speed controller2 x Helios TSW 0.3Amp Compact Transformer speed controller2 x RDS 11 Helios Transformer Controller With Motor Protection3 x Helios TSW MCB Amp Transformer speed controller5 x Transformer speed controller - ATC1 - 1.5 Amps2 x Single phase speed controller by auto-transformer - RMB 3.5 Amp1 x KMBI 180 Connector rectangular/circular to install on the discharge of CMT1 x TTC-2000 Three phase electric heater controller3 x Speed Controller - REB102 x Elta 3 Amp Electronic single phase speed controller with TK2 x Transformer Speed Control - RTRE- 5.0Amp5 x Transformer Speed Control - RTRE- 1.5Amp2 x TG-R room temperature sensor5 x Silent 100 Window Kit - windowS2 x CBA-60 Inlet Flange for CBT-606 x Speed Controller - REB11 x Multiflow SMB550/4-1AC2 x Bathroom Fan -Envirovent- Silent 100 T (Timer Model)3 x CPTA-E Flush mounted PIR sensor with timer4 x DEF-140T Inlet Guard for the CBT-100N1 x TDP-D Pressure Sensor with Display1 x ERR 20/1 Centrifugal inline fan3 x Two Speed Switch - REGUL-22 x CBS-60 Outlet Flange for CSB/CBT-604 x Helios HQW-200/4 - IP551 x Transformer (silent) speed controller - RE 1.5 Amp1 x Helios PU10 Speed Potentiometer (Flush Mounted)2 x TD Mixvent 800/200 EEXEIIT32 x Helios HQW-250/4 - IP553 x Speed Controller - REB82 x DEF-CBM-RE-7 - Protection Guard2 x Transformer Speed Control - RTRE- 12.0Amp2 x TG-K Duct temperature sensor4 x Speed Controller - REB1-N1 x ENV 100 12v transformer SELV2 x Mini Diffuser - 100mm2 x Contactor Interface Station - CI93 x PIR Sensor - PIR21 x TUNE-R-200-3-M4 - Control Damper2 x Compact SCD450/4-1AC1 x GXC6EC - High Performance Extract Fan2 x Three Phase 3 step - 10amp Transformer controller for use with the HV Wall Mounted fans.2 x MV-B Dual Switch for use with Helios HQW plate fans,1 x Vent Axia SC5001 - Speed controller2 x TEM 075 - 5 Speed Transformer Speed Control1 x Speed Controller - REB32 x TUNE-R-200-3-M1 - Control Damper2 x Speed Controller - REB52 x MEV Spider Wireless boost Switch - MEV-SWH-W2 x Isolator Switch - EFF-ISO1 x DDMP 09/09 Mounting Flange3 x DDMP 12-12 3F 1810W M6A4 DG02 x KKS 100 silencer-section - For use with the MUB 100 size Fans.2 x MWS 5 – Transformer Controller With Motor Protection Unit1 x RDS 7 Helios Transformer Controller With Motor Protection2 x Single phase speed controller by auto-transformer - RMB 10.0 Amp2 x Speed controller with Reverse - REB-1R4 x REU 7amp Speed control - Two Speed Five-Step Transformer - Trickle and Boost3 x ELM 18 EX Flexible Cuff for ERM 186 x Skyflow SSR Horizontal Roof Cowl SSR31/35B2 x Vortice Quadro Micro 100 I - Standard Version1 x RDH FLEX-SQUARE - ADH/RDH 04501 x DDMP 09-09 3F 2130W M6A4 DG01 x 220x90mm Insulated Rectangular Vertical 45° Bend1 x 220x90mm Insulated Rectangular Horizontal 45° Bend1 x SG-200 Fan Guard for the HQW 2002 x Transformer Speed Control - RTRE- 7.0Amp1 x 220x90mm Insulated Rectangular Horizontal 90° Bend1 x 204x60mm Insulated Rectangular Vertical 45° Bend1 x CBM Low Pressure Centrifugal Fan - CBM 10/10 4 Pole 550watt VR5 x MTS10- extractor fan 3 step switch2 x LFBR 315 G4 - Helios Inline Filter Box - 315mm1 x CBP-18/18-RC Belt Driven Centrifugal Fans2 x Duct Termination with Mesh - 355mm1 x TD160-NT Mixvent - 100mm - TD160 Timer2 x Elta - Room Sensor - Temp/Humid/C021 x Biflow SB400-CON2-3 - High Temperature Bifurcated Fan1 x 204x60mm Insulated Rectangular Vertical 90° Bend1 x CBM 12-12 1100w 6P Three Phase1 x TUNE-R-200-3-M2 - Control Damper1 x Helios RR-250-C Centrifugal inline fan2 x CBM Low Pressure Centrifugal Fan - CBM 10/10 4 Pole 550watt CVR1 x EBM-Papst D3G133-BF05-14 Double inlet1 x TD EVO-100 PF ECOWATT - Environmentally Friendly Energy Efficient Inline Fan1 x 204x60mm Insulated Rectangular Horizontal 45° Bend1 x RDS 1 Helios Transformer Controller With Motor Protection1 x Polyurethane Foam Media - 10PPI - Filter Media Sheets - Size: 2000mm x 1000mm1 x CBM Low Pressure Centrifugal Fan - CBM 12/12 6 Pole 736watt CVR1 x CBM Low Pressure Centrifugal Fan - CBM 9/7 4 Pole 373watt CVR1 x CSB-60 Centrifugal fan1 x Vertical Cowl and Fan (Single Phase) - RAV400-4-11 x DS-2 2-Speed Switch (3 Phase)1 x CBA-100 Inlet Flange for CBT-1001 x SPI-100 C Iris damper1 x Silent 300 CZ Design PLUS Extractor Fan1 x Skyflow SSR Horizontal Roof Cowl SSR80B1 x Singleflow SSDL315-1EC1 x Lo-Carbon Silhouette 100T (Timer)1 x Duct Termination with Mesh - 100mm1 x Egg Crate Grille with Dust panel filter 1 inch- 595x5951 x DDMP 10-08 3F 2210W M6A4 DG01 x CBT-100N Centrifugal1 x SD-MUB Vibration pad set1 x AXC TP - 100mm Plastic Centrifugal Inline Fan1 x Flakt Woods ME 1.6 speed controller 6.0amp - EA9011591 x FFR 355 Filter Cassette1 x GENIOX 11 Internal Mounted Unit1 x Helios ESA-1 Surface mounted Speed Control 1amp1 x IR24-P - Presence detector1 x CFI In-line 150 - Carbon Filter1 x WSD 100 (1060x1060x70)1 x GENIOX 11 Roof Mounted External Unit1 x Single Deflection Grille 400mm with OBD damper1 x Potentiometer EGH 01 - for DDMP Fans1 x 110 x 54mm Round to Rectangular Adaptor - Long
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