• Model:CTB/4

CTB Series -Roof Mounted Fan

£ 677.30 (excl. VAT)

£ 812.76 (inc. VAT)

Range of centrifugal roof fans which are mounted directly above a circular duct for the ventilation of housings and small enclosures.
Centrifugal backward curved impeller in galvanised sheet steel.
Galvanised steel sheet housing protected by black epoxy polyester paint.
All models are fitted with bird proof guard.
4 different sizes for diameter ducts 160, 200, 250 and 315 mm.
ON-OFF switch IP55.
Duct connection flange with integrated rubber air seal.
Manual resetting thermal protector 155ºC.

Motors. All motors are IP55, Class F, direct drive.

Electrical supply:
Single phase motor 230V 50Hz.
Variable voltage.
Working temperature: -40ºC/+70ºC
PDF Files


CTB Series

Available Options

2 x Transformer Speed Control - RTRE- 7.0Amp1 x ELM 18 EX Flexible Cuff for ERM 183 x Speed Controller - REB82 x CBM 9-9 550w 4P VR (Open Motor)2 x DDMP 10-08 3F 2210W M6A4 DG04 x QPTW 250C Acoustic Twin Fan with Controller3 x TG-K Duct temperature sensor1 x Helios HQW-315/4 - IP551 x MEV Spider Wireless boost Switch - MEV-SWH-W3 x Elta - Room Sensor - Temp/Humid/C023 x Duct Termination with Mesh - 355mm3 x Compact SCD450/4-1AC2 x Elta Variable Speed Drive IP66 - 1.5KW2 x AXC TP - 100mm Plastic Centrifugal Inline Fan1 x Egg Crate Grille with G2 Dust panel filter 1 inch- 300x3001 x Elta Wall Cowl SWC35/405 x Speed Controller - REB13 x Elta 6 Amp Electronic single phase speed controller.1 x Elta Wall Cowl SWC45/503 x MTS10- extractor fan 3 step switch3 x Transformer Speed Control - RTRE- 1.5Amp1 x Mini Diffuser - 100mm1 x Jet Cowl - 315mm2 x LFBR 315 G4 - Helios Inline Filter Box - 315mm5 x CBM Low Pressure Centrifugal Fan - CBM 10/10 4 Pole 550watt CVR3 x CBM 12-12 1100w 6P Three Phase2 x Vertical Cowl and Fan (Single Phase) - RAV400-4-11 x S & P Aluminium Axial Fan Louvre Shutter - PER-CR- 7101 x EBM-Papst D4E225-BC01-17 Double inlet3 x Biflow SB400-CON2-3 - High Temperature Bifurcated Fan2 x TUNE-R-200-3-M4 - Control Damper2 x VTR 300 STD Filter Kit3 x Duct Termination with Mesh - 100mm1 x Single Deflection Grille 400mm with OBD damper3 x Egg Crate Grille with Dust panel filter 1 inch- 595x5952 x CBA-60 Inlet Flange for CBT-601 x CSB-60 Centrifugal fan2 x Flakt Woods ME 1.6 speed controller 6.0amp - EA9011592 x CO2 Room Sensor - CO2-R4 x Duct Termination with Mesh - 450mm3 x AIRVENT speed control - AIR4019613 x Helios RR-250-C Centrifugal inline fan1 x CBM Low Pressure Centrifugal Fan - CBM 9/7 4 Pole 373watt CVR1 x Vent Axia ACM 100 T (Timer Model) inline mixed flow duct fan2 x DEF-CBM-RE-7 - Protection Guard2 x Comefri - TLZ 450 R - High Performance Scroll Fan2 x Multi Input Run On Timer - 0 - 20min - CFCU1 x Speed Controller - REB1-N2 x Electrostatic Precipitator - 1H x 3W1 x AXC TP - 150mm Plastic Centrifugal Inline Fan1 x CBM Low Pressure Centrifugal Fan - CBM 10/10 4 Pole 550watt VR1 x Transformer 5 Speed Controller - ATC1-4TK2 x CBT-100N Centrifugal1 x Round ceiling diffuser 250mm2 x ACO8AC/EC AutoChangeover panel1 x Non Vision 150mm x 150mm (Air Transfer) Grille - With Flange - MILL FINISH2 x Helios ESA-1 Surface mounted Speed Control 1amp2 x Three Phase 3 step - 10amp Transformer controller for use with the HV Wall Mounted fans.3 x Flat Roof Terminal -OFT 5 - Asphalt2 x TecFire Intumescent Damper - Rectangular 400x400mm1 x CMT-2 120/50 - 0,09Kw - LG270 Single inlet centrifugal fan direct driven1 x Round ceiling diffuser 200mm1 x RTRD - Three Phase Speed Controller - 2 Amp1 x RDS 1 Helios Transformer Controller With Motor Protection2 x SAVE VSR 300 heat recovery unit1 x RD35S-4DW.6W.3L - 122297 (Three Phase)1 x Elta SPA500/4-1AC - IP541 x Speed Controller - REB2.5-N1 x SPI-100 C Iris damper2 x Duct Termination with Mesh - 400mm2 x CBM Low Pressure Centrifugal Fan - CBM 12/12 6 Pole 736watt CVR2 x DDMP 12-12 3F 5700W M6M0 DG71 x 100mm Round Connector with Damper1 x CPTA-E Flush mounted PIR sensor with timer1 x REU 7amp Speed control - Two Speed Five-Step Transformer - Trickle and Boost1 x VKS 355-500 Automatic shutter
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