• 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

1 x Access Door for Circular Duct - 400 x 300 - SIZE 451 x Transformer Speed Control - RTRE- 12.0Amp1 x Rectangular Airbrick Adaptor1 x MTP 10, 10K, Speed control1 x Speed Controller - REB11 x Transformer Speed Control - RTRE- 1.5Amp1 x ACO8AC/EC AutoChangeover panel1 x IR24-P - Presence detector1 x Helios ESA-1 Surface mounted Speed Control 1amp1 x ACOAS/ AC/EC Auto Changeover 8Amp1 x TD EVO-100 PF ECOWATT - Environmentally Friendly Energy Efficient Inline Fan1 x 110 x 54mm Round to Rectangular Adaptor - Long1 x AXC TP - 150mm Plastic Centrifugal Inline Fan1 x HIMF - Mixed Flow Fan 125mm Inline Fan1 x Transformer (silent) speed controller - RE 1.5 Amp1 x DEF-CBM-RE-7 - Protection Guard1 x VKS 355-500 Automatic shutter1 x CMT-2 200/80 1.1KW - Single inlet centrifugal fan direct driven1 x KMBI 180 Connector rectangular/circular to install on the discharge of CMT1 x Helios TSW 1.5 Amp Transformer speed controller1 x Vent Axia ACM 125 inline mixed flow duct fan1 x RRB- transformer controller1 x UB47- Universal Insulated Terminal1 x QPTW 250C Acoustic Twin Fan with Controller1 x AIRVENT speed control - AIR4019611 x 220x90mm Insulated Rectangular Horizontal 90° Bend1 x Vent Axia ACM 150 inline mixed flow duct fan1 x MTS10- extractor fan 3 step switch1 x 220x90mm Insulated Rectangular Horizontal 45° Bend1 x 204x60mm Insulated Rectangular Horizontal 90° Bend1 x Potentiometer EGH 01 - for DDMP Fans1 x ELM 18 EX Flexible Cuff for ERM 181 x CBM 7/7 147w 4P RE-VR1 x ACO3TO-ADS-VFC-7.1A1 x KBA- Inlet Mounting 1801 x Binks Bullows - Spray Booth Filter1 x RUCK MTP 20, 10K, Speed control1 x CBT-130N Centrifugal1 x Single phase speed controller by auto-transformer - RMB 1.5 Amp1 x Speed Controller - REB2.5-N1 x Transformer speed controller - ATC1 - 1.5 Amps1 x Transformer (silent) speed controller - RE 3.0 Amp1 x Commercial Single or 3 phase Fan Reversing Switch - RS11 x Transformer Speed Control - RTRE- 7.0Amp1 x PIR Sensor - PIR21 x Multi Input Run On Timer - 0 - 20min - CFCU1 x Transformer 5 Speed Controller - ATC1-4TK1 x HCFC 1.7 - Reversible Speed Controller for HCF sweep fans1 x Isolator Switch - ISOSW1 x Speed Controller - REB51 x CBS-60 Outlet Flange for CSB/CBT-601 x Speed Controller - REB1-N1 x REB-CVF 0-10v Controller1 x REE-2 Electronic Speed Controller1 x Silent 300 CZ Design PLUS Extractor Fan1 x TD Mixvent 800/200 EEXEIIT31 x PIR Sensor - PIR41 x CBT-100N Centrifugal1 x DDMP 12-12 3F 1810W M6A4 DG01 x Elta 6 Amp Electronic single phase speed controller.1 x Remote controller FLEX - for VEKO INT1 x S&P MULTI-REG EC FAN CONTROLLER / INTERFACE1 x REU 7amp Speed control - Two Speed Five-Step Transformer - Trickle and Boost1 x Vent Axia ACM 100 inline mixed flow duct fan1 x Single phase speed controller by auto-transformer - RMB 3.5 Amp1 x Vent Axia T-Series Controller1 x Transformer Speed Control - RTRE- 5.0Amp1 x Vent Axia Silent 100T (TIMER)1 x Vent Axia ACM 125 T (Timer Model) inline mixed flow duct fan1 x Transformer 5 Speed Controller - ATC1-8TK1 x Push Timer Switch - ZA41 x Systemair Save Connect 2.0 Internet Module1 x Vent Axia ACM 200 inline mixed flow duct fan1 x CS2 Current Switch1 x MV-B Dual Switch for use with Helios HQW plate fans,1 x Two Speed Switch - REGUL-21 x Remote Timer Control - 13511 x Envirovent Silent MV160/100T Mixvent - Timer Model - 100mm - (5 year warranty)1 x Helios HQW-630/4 - IP551 x Electronic extractor fan speed controller - FSC 1.51 x Airvent ceiling fan controller1 x Transformer 5 Speed Controller - ATC1-2TK1 x Helios HQW-200/4 - IP551 x TG-K3/NTC10-01 - Duct temperature sensor1 x Bathroom Fan -Envirovent- Silent 100 T (Timer Model)1 x Helios HQW-250/4 - IP551 x Helios TSW MCB Amp Transformer speed controller1 x Speed Controller - REB101 x SG-200 Fan Guard for the HQW 2001 x Speed Controller - REB81 x VTR 300 STD Filter Kit1 x ENV 100 12v transformer SELV1 x Mini Diffuser - 100mm1 x Helios TSW 0.3Amp Compact Transformer speed controller1 x 7 Day Programmable TIMECLOCK1 x Single phase speed controller by auto-transformer - RMB 10.0 Amp1 x EC6H - Reversible Group Fan Electronic Controller1 x Speed Controller - REB61 x Skyflow SSR Horizontal Roof Cowl SSR31/35B1 x Elta Variable Speed Drive IP66 - 0.75KW1 x Elta Variable Speed Drive IP66 - 2.2KW1 x Elta Variable Speed Drive IP66 - 0.37KW (1ph to 3ph)1 x Elta - Room Sensor - Temp/Humid/C021 x GXC6EC - High Performance Extract Fan1 x CBM Low Pressure Centrifugal Fan - CBM 10/10 4 Pole 550watt CVR1 x KKS 100 silencer-section - For use with the MUB 100 size Fans.1 x Silentub - STUB 1001 x MWS 3 – Transformer Controller With Motor Protection1 x Helios HQW-200/2 - IP551 x Elta 3 Amp Electronic single phase speed controller with TK1 x Elta 10 Amp Electronic single phase speed controller.1 x CBM Low Pressure Centrifugal Fan - CBM 10/10 4 Pole 550watt VR1 x DDMP 10-08 3F 2210W M6A4 DG01 x VEKA INT 2000/15.0-L1 EKO1 x Quietflow SQS100-1ECL - Centrifugal Box Fan1 x Helios TSW 3 Amp Transformer speed controller1 x CBM 9-9 550w 4P VR (Open Motor)1 x Compact SCD450/4-1AC1 x Speed Controller - REB161 x Elta Variable Speed Drive IP66 - 1.5KW1 x SAVE VSR 300 heat recovery unit1 x CFI In-line 425 - Carbon Filter1 x Elta Variable Speed Drive IP66 - 5.5KW1 x 204x60mm Insulated Rectangular Vertical 45° Bend1 x DA9/9-NT1 x TD160-NT Mixvent - 100mm - TD160 Timer1 x Three Phase Transformer controllers - RMT 1.5 Amp1 x Round ceiling diffuser 400mm1 x CO2 Room Sensor - CO2-R1 x Singleflow SSDL315-1EC1 x Duct Termination with Mesh - 355mm1 x Helios RR-250-C Centrifugal inline fan1 x CSB-60 Centrifugal fan1 x Round ceiling diffuser 200mm1 x Clearflow CF Roof Mounted Vertical Discharge Centrifugal Fan - CF400/4-1AC - Single Phase1 x CK-60F Kit1 x CBP-18/18-RC Belt Driven Centrifugal Fans1 x Biflow SB400-CON2-3 - High Temperature Bifurcated Fan1 x AXC TP - 100mm Plastic Centrifugal Inline Fan1 x HIMF - Mixed Flow Fan 100mm Inline Fan1 x CBA-100 Inlet Flange for CBT-1001 x 204x60mm Insulated Rectangular Vertical 90° Bend
Reviews
EM 250-E2M 01- Etamaster-250
EM 250-E2M 01- Etamaster-250
£ 128.80

Really well made but comes with no speed controler? ?and can...