Speed Controllers - Three Phase
Variable and Transformer type speed controllers for three phase (400V) also Inverters Speed Controls and switch gear.
Displaying 25 to 48 (of 60 products)
Helios TSD 5.5 Transformer Speed Control (400v)
£ 588.80
Helios TSD 5.5 Transformer Speed Control (400v)...
Inverter Fan Speed Controller Range INV3
£ 752.79
Inverter Fan Speed Controller Range INV3
A range of Inverter fan speed controllers designed for speed controllable 3 phase motors. The INV range of controllers are housed in metal enclosures.
IN...
Inverter VFKB 45
£ 829.66
Inverter VFKB 45 - Adjustable Frequency Drive for Three Phase Motors up to 1.5 KW at 400 V....
Inverter VFKB 48
£ 875.36
Inverter VFKB 48 - Adjustable Frequency Drive for Three Phase Motors up to 4 KW at 400 V....
RDS 1 Helios Transformer Controller With Motor Protection
£ 353.42
Five step speed controller with integrated thermal contact tripping unit for 400 V, 3 ph. alternating current fans.
To connect thermal contacts wired to the terminal box.
A number of fans can be con...
RDS 11 Helios Transformer Controller With Motor Protection
£ 1,194.99
Five step speed controller with integrated thermal contact tripping unit for 400 V, 3 ph. alternating current fans.
To connect thermal contacts wired to the terminal box.
A number of fans can be con...
RDS 2 Helios Transformer Controller With Motor Protection
£ 426.75
Five step speed controller with integrated thermal contact tripping unit for 400 V, 3 ph. alternating current fans.
To connect thermal contacts wired to the terminal box.
A number of fans can be con...
RDS 4 Helios Transformer Controller With Motor Protection
£ 494.69
Five step speed controller with integrated thermal contact tripping unit for 400 V, 3 ph. alternating current fans.
To connect thermal contacts wired to the terminal box.
A number of fans can be con...
RDS 7 Helios Transformer Controller With Motor Protection
£ 814.17
Five step speed controller with integrated thermal contact tripping unit for 400 V, 3 ph. alternating current fans.
To connect thermal contacts wired to the terminal box.
A number of fans can be con...
RTRD - Three Phase Speed Controller - 14 Amp
£ 1,037.99
Manual five-step transformer (with motor protection) - RTRD - Three Phase Speed Controller - 14 Amp
A three-phase transformer which controls the fan speed by altering the supply voltage in five f...
RTRD - Three Phase Speed Controller - 2 Amp
£ 342.99
Manual five-step transformer (with motor protection) - RTRD - Three Phase Speed Controller - 2 Amp
A three-phase transformer which controls the fan speed by altering the supply voltage in five fi...
RTRD - Three Phase Speed Controller - 4 Amp
£ 473.49
Manual five-step transformer (with motor protection) - RTRD - Three Phase Speed Controller - 4 Amp
A three-phase transformer which controls the fan speed by altering the supply voltage in five fi...
RTRD - Three Phase Speed Controller - 7 Amp
£ 637.99
Manual five-step transformer (with motor protection) - RTRD - Three Phase Speed Controller - 7 Amp
A three-phase transformer which controls the fan speed by altering the supply voltage in five fi...
RTRDU 3 Phase Trickle & Boost 5 Step Speed Controller - 2 Amps
£ 734.99
A three-phase transformer which controls the fan speed by altering the supply voltage in five fixed steps. The steps are adjusted manually, using the control knobs on the front of the unit.
There a...
RTRDU 3 Phase Trickle & Boost 5 Step Speed Controller - 4 Amps
£ 799.99
A three-phase transformer which controls the fan speed by altering the supply voltage in five fixed steps. The steps are adjusted manually, using the control knobs on the front of the unit.
There a...
RTRDU 3 Phase Trickle & Boost 5 Step Speed Controller - 7 Amps
£ 1,044.99
A three-phase transformer which controls the fan speed by altering the supply voltage in five fixed steps. The steps are adjusted manually, using the control knobs on the front of the unit.
There a...
Soler & Palau VFD-T inverter 13 amp IP54
£ 1,090.37
Three-phase 400V-50/60Hz Voltage supply. Motor kW protection programmable by a single parameter. Power on and drive status indication. Speed selection with UP/DOWN keys. Run/Fault relay output contact...
Soler & Palau VFD-T inverter 17 amp IP54
£ 1,177.31
Three-phase 400V-50/60Hz Voltage supply. Motor kW protection programmable by a single parameter. Power on and drive status indication. Speed selection with UP/DOWN keys. Run/Fault relay output contact...
Soler & Palau VFD-T inverter 5 amp IP54
£ 720.43
Three-phase 400V-50/60Hz Voltage supply. Motor kW protection programmable by a single parameter. Power on and drive status indication. Speed selection with UP/DOWN keys. Run/Fault relay output contact...
Soler & Palau VFD-T inverter 6.8 amp IP54
£ 754.86
Three-phase 400V-50/60Hz Voltage supply. Motor kW protection programmable by a single parameter. Power on and drive status indication. Speed selection with UP/DOWN keys. Run/Fault relay output contact...
Soler & Palau VFD-T inverter 9 amp IP54
£ 851.81
Three-phase 400V-50/60Hz Voltage supply. Motor kW protection programmable by a single parameter. Power on and drive status indication. Speed selection with UP/DOWN keys. Run/Fault relay output contact...
Displaying 25 to 48 (of 60 products)
2 x HCFC 1.7 - Reversible Speed Controller for HCF sweep fans1 x Run On Timer - 5s - 4hrs - RT5A3 x Push Timer Switch - ZA41 x Time Delay Unit - DT20B3 x Multi Input Run On Timer - 0 - 20min - CFCU1 x 7 Day Programmable TIMECLOCK1 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 ACO 149-ACO1/EDV1 x EM30-24 Electro-Mechanical Control Panel1 x REB-CVF 0-10v Controller1 x Easy-fix termination kit - High Rise Ventilator - EFT1 x UB47- Universal Insulated Terminal1 x S & P Aluminium Axial Fan Louvre Shutter - PER-CR- 3551 x Elta Louvre Shutter - 400mm1 x Elta Wall Cowl SWC25/311 x Elta 10 Amp Electronic single phase speed controller.1 x NKS-D swirl diffuser v-300 x 300mm1 x Vent Axia ACM 150 inline mixed flow duct fan1 x Circular Ceiling Diffuser - TST 1251 x ELTA - Single Phase Transformer 2amps1 x PCA Diffuser - PCA-3151 x Balance S Diffuser - NO RING - 125mm1 x Circular Ceiling Diffuser - TST 1001 x Circular Ceiling Diffuser - TST 2004 x Electronic extractor fan speed controller - FSC 1.51 x Round ceiling diffuser 400mm3 x EC6H - Reversible Group Fan Electronic Controller1 x Curved Blade Grille 600x600 (2way blow)1 x JSR 200 Painted RAL50181 x Circular Ceiling Diffuser - TST 1601 x Elta 2 Amp Electronic single phase speed controller.1 x Balance S Diffuser - NO RING - 100mm2 x Airvent ceiling fan controller3 x Elta 6 Amp Electronic single phase speed controller with TK1 x ELTA - Single Phase Transformer 8amps1 x ELTA - Single Phase Transformer 16amps1 x Elta 3 Amp Electronic single phase speed controller.1 x ELTA - Single Phase Transformer 12amps1 x Round ceiling diffuser 200mm1 x ELTA - Single Phase Transformer 4amps1 x AIRVENT speed control - AIR4019611 x Round ceiling diffuser 300mm1 x Elta Variable Speed Drive IP66 - 0.37KW (1ph to 3ph)1 x COM-31 x Transformer speed controller - ATC1 - 1.5 Amps1 x EFSC-6N- Single Phase Speed Control1 x Elta 6 Amp Electronic single phase speed controller.1 x PCA Diffuser - PCA-2501 x Round ceiling diffuser 350mm2 x Vent Axia ACM 125 inline mixed flow duct fan1 x ELTA - Single Phase Transformer 10amps2 x Isolator Switch - ISOSW1 x Elta 3 Amp Electronic single phase speed controller with TK2 x Remote Timer Control - 13511 x Transformer (silent) speed controller - RE 3.0 Amp2 x Speed Controller - REB52 x CPTA-S PIR SENSOR Volt Free Contacts - Surface Mounted1 x Speed Controller - REB1-N2 x MTP 10, 10K, Speed control1 x S & P Aluminium Axial Fan Louvre Shutter - PER-CR- 6302 x EC-Vent Room Unit1 x S & P Aluminium Axial Fan Louvre Shutter - PER-CR- 5002 x Systemair Save Connect 2.0 Internet Module1 x PIR Sensor - PIR21 x EM30-24 Control Panel Commissioning Service2 x Vent Axia ACM 100 T (Timer Model) inline mixed flow duct fan3 x Vent Axia ACM 125 T (Timer Model) inline mixed flow duct fan1 x Vent Axia ACM 150 T (Timer Model) inline mixed flow duct fan1 x Elta Variable Speed Drive IP66 - 7.5KW1 x Elta Variable Speed Drive IP66 - 2.2KW1 x FRQ-10A V2 Inverter Speed controller1 x FU 15 40 Frequency Inverter1 x Helios TSD 3.0 Transformer Speed Control (400v)1 x FRQ5-4A V2 Inverter Speed Controller1 x FU 22 25 Frequency Inverter1 x FU 075 52 Frequency Inverter (IP20)1 x Elta Variable Speed Drive IP66 - 4.0KW1 x Frequency converter FU 075 14 - IP661 x Elta Variable Speed Drive IP66 - 0.75KW1 x FU 15 16 Frequency Inverter1 x Elta Variable Speed Drive IP66 - 5.5KW1 x Elta Variable Speed Drive IP66 - 1.5KW1 x Frequency converter RUCK - FU 075 201 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 FRQ5-10A Inverter Speed controller1 x Helios - FIUK-11KW 24.0A - FREQUENCY INVERTER1 x Transformer 5 Speed Controller - ATC1-4TK1 x FU 075 04 Frequency Inverter (IP20)1 x Frequency converter RUCK - FU 075 211 x FU 22 04 Frequency Inverter1 x Transformer 5 Speed Controller - ATC1-12TK1 x Helios TSW 1.5 Amp Transformer speed controller1 x Vent Axia ACM 100 inline mixed flow duct fan3 x CS2 Current Switch2 x Single phase speed controller by auto-transformer - RMB 1.5 Amp1 x Single phase speed controller by auto-transformer - RMB 3.5 Amp1 x CMT-2 200/80 1.1KW - Single inlet centrifugal fan direct driven1 x Envirovent Silent MV160/100T Mixvent - Timer Model - 100mm - (5 year warranty)2 x WS - Reversing Switch from Helios Fans1 x KMBI 180 Connector rectangular/circular to install on the discharge of CMT1 x BEAS-control module2 x TG-R room temperature sensor1 x FAST-TRACK RANGE 75mm - Click Ring (1 bag of 10)1 x PIR Sensor - PIR41 x QPTW 250C Acoustic Twin Fan with Controller1 x TG-K Duct temperature sensor1 x VTR 300 STD Filter Kit1 x Elta Wall Cowl SWC56/631 x Mini Diffuser - 100mm1 x CBT-100N Centrifugal2 x Remote controller FLEX - for VEKO INT1 x Helios TSW 7.5 Amp Transformer speed controller1 x Three Phase Transformer controllers - RMT 1.5 Amp1 x DEF-140T Inlet Guard for the CBT-100N1 x KMBI 225 Connector rectangular/circular to install on the discharge of CMT2 x MWS 3 – Transformer Controller With Motor Protection1 x TG-K Duct temperature sensor1 x Two Speed Switch - REGUL-21 x Helios HQW-200/2 - IP551 x Envirovent G4 Filter - SL-G4/F71 x MWS 1.5 – Transformer Controller With Motor Protection1 x Helios HQW-630/4 - IP551 x Transformer Speed Control - RTRE- 12.0Amp1 x Helios HQW-315/4 - IP551 x Quietflow SQS400-1ECL - Centrifugal Box Fan1 x U-EK plastic housing IP65 - for use with the U-EK230E Motor Protection1 x Transformer Speed Control - RTRE- 1.5Amp1 x MTS10- extractor fan 3 step switch1 x TG-K3/NTC10-01 - Duct temperature sensor1 x Speed Controller - REB11 x TD Mixvent 800/200 EEXEIIT31 x DEF-CBM-RE-7 - Protection Guard1 x Envirovent 4 Way Remote Control Switch - SWHBKRF-41 x CPTA-E Flush mounted PIR sensor with timer
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Circular Inline Silencers - 0.6M long - SLU-600
£ 58.40
I have a loft mount extractor fan which was very noisy. I ...