Speed Controllers - Three Phase

Variable and Transformer type speed controllers for three phase (400V) also Inverters Speed Controls and switch gear.

Displaying 27 to 52 (of 61 products)
Helios VDS-7 Three Phase Transformer 5-Step
Helios VDS-7 Three Phase Transformer 5-Step
£ 651.39
Helios VDS-7 Three Phase Transformer 5-Step...
Inverter Fan Speed Controller Range INV3
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
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
Inverter VFKB 48
£ 875.36
Inverter VFKB 48 - Adjustable Frequency Drive for Three Phase Motors up to 4 KW at 400 V....
RDKT40 - 4amp Transformer Speed Control -
RDKT40 - 4amp Transformer Speed Control -
£ 665.00
RDKT40 - 4amp Transformer Speed Control -...
RDS 1  Helios Transformer Controller With Motor Protection
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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...
TDID 11 - WOODS Auto Transformer (3 Phase)
TDID 11 - WOODS Auto Transformer (3 Phase)
£ 599.00
TDID 11 - WOODS Auto Transformer (3 Phase)...
TDID 2.5 - WOODS Auto Transformer (3 Phase)
TDID 2.5 - WOODS Auto Transformer (3 Phase)
£ 299.00
TDID 2.5 - WOODS Auto Transformer (3 Phase)...
TDID 4 - WOODS Auto Transformer (3 Phase)
TDID 4 - WOODS Auto Transformer (3 Phase)
£ 355.00
TDID 4 - WOODS Auto Transformer (3 Phase)...
Displaying 27 to 52 (of 61 products)
1 x CBM Low Pressure Centrifugal Fan - CBM 12/9 6 Pole 736watt C1 x Helios TSD 5.5 Transformer Speed Control (400v)1 x FU 15 40 Frequency Inverter1 x FRQ5-4A V2 Inverter Speed Controller1 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 075 52 Frequency Inverter (IP20)1 x FU 22 25 Frequency Inverter1 x ELTA - Three Phase Transformer 3amps1 x ELTA - Three Phase Transformer 10amps1 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 Elta 10 Amp Electronic single phase speed controller.1 x FU 15 16 Frequency Inverter1 x Elta Variable Speed Drive IP66 - 1.5KW1 x Frequency converter RUCK - FU 075 201 x Helios - FIUK-11KW 24.0A - FREQUENCY INVERTER1 x FU 075 04 Frequency Inverter (IP20)1 x Frequency converter RUCK - FU 075 211 x FU 22 04 Frequency Inverter1 x ELTA - Single Phase Transformer 2amps2 x Electronic extractor fan speed controller - FSC 1.51 x EC6H - Reversible Group Fan Electronic Controller1 x Elta 2 Amp Electronic single phase speed controller.1 x ELTA - Single Phase Transformer 8amps1 x ELTA - Single Phase Transformer 16amps1 x EFSC-3N- Single Phase Speed Control1 x Elta 3 Amp Electronic single phase speed controller with TK1 x Elta 3 Amp Electronic single phase speed controller.1 x ELTA - Single Phase Transformer 4amps1 x AIRVENT speed control - AIR4019611 x ELTA - Single Phase Transformer 12amps3 x COM-31 x Elta Variable Speed Drive IP66 - 0.37KW (1ph to 3ph)1 x EFSC-6N- Single Phase Speed Control1 x Elta Variable Speed Drive IP66 - 0.75KW (1ph to 3ph)1 x Elta 6 Amp Electronic single phase speed controller.1 x ELTA - Single Phase Transformer 10amps1 x Elta Variable Speed Drive IP66 - 1.5KW (1ph to 3ph)2 x Remote Timer Control - 13511 x Run On Timer - 5s - 4hrs - RT5A2 x Transformer 5 Speed Controller - ATC1-8TK1 x Helios ZNE Electronic Fan Overrun Timer3 x Push Timer Switch - ZA46 x Single phase speed controller by auto-transformer - RMB 1.5 Amp1 x Time Delay Unit - DT20B3 x Multi Input Run On Timer - 0 - 20min - CFCU2 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 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 U-EK plastic housing IP65 - for use with the U-EK230E Motor Protection1 x EC-Vent Room Unit1 x Elta ACO Panel 149-ACO18B2 x Systemair Save Connect 2.0 Internet Module1 x EM30-24 Control Panel Commissioning Service1 x Transformer Speed Control - RTRE- 1.5Amp1 x CBM Low Pressure Centrifugal Fan - CBM 10/10 4 Pole 550watt CVR1 x CBT-100N Centrifugal1 x DEF-CBM-RE-7 - Protection Guard3 x Vent Axia ACM 100 T (Timer Model) inline mixed flow duct fan4 x Vent Axia ACM 125 T (Timer Model) inline mixed flow duct fan2 x Vent Axia ACM 150 T (Timer Model) inline mixed flow duct fan1 x Elta Variable Speed Drive IP66 - 7.5KW2 x Elta Variable Speed Drive IP66 - 2.2KW1 x FRQ-10A V2 Inverter Speed controller3 x Remote controller FLEX - for VEKO INT1 x Transformer 5 Speed Controller - ATC1-2TK2 x Helios TSW 7.5 Amp Transformer speed controller3 x Transformer 5 Speed Controller - ATC1-10TK2 x HCFC 1.7 - Reversible Speed Controller for HCF sweep fans2 x Transformer 5 Speed Controller - ATC1-4TK3 x Helios TSW 3 Amp Transformer speed controller2 x Vent Axia ACM 150 inline mixed flow duct fan1 x RDS 11 Helios Transformer Controller With Motor Protection3 x Three Phase Transformer controllers - RMT 1.5 Amp1 x Three Phase 3 step - 10amp Transformer controller for use with the HV Wall Mounted fans.2 x Vent Axia ACM 200 inline mixed flow duct fan3 x Vent Axia ACM 100 inline mixed flow duct fan2 x CS2 Current Switch2 x DEF-140T Inlet Guard for the CBT-100N2 x Isolator Switch - ISOSW2 x Single phase speed controller by auto-transformer - RMB 3.5 Amp1 x TG-K Duct temperature sensor1 x CMT-2 200/80 1.1KW - Single inlet centrifugal fan direct driven2 x Envirovent Silent MV160/100T Mixvent - Timer Model - 100mm - (5 year warranty)1 x WS - Reversing Switch from Helios Fans1 x MWS 1.5 – Transformer Controller With Motor Protection1 x Envirovent G4 Filter - SL-G4/F71 x Vent Axia T-Series Controller1 x Transformer (silent) speed controller - RE 3.0 Amp1 x KMBI 180 Connector rectangular/circular to install on the discharge of CMT1 x CBS-60 Outlet Flange for CSB/CBT-601 x Speed Controller - REB31 x Transformer (silent) speed controller - RE 1.5 Amp1 x Speed Controller - REB51 x Commercial Single or 3 phase Fan Reversing Switch - RS11 x FAST-TRACK RANGE 75mm - Click Ring (1 bag of 10)1 x Transformer Speed Control - RTRE- 7.0Amp1 x Quietflow SQS400-1ECL - Centrifugal Box Fan1 x Speed Controller - REB1-N1 x REB-CVF 0-10v Controller1 x CBM 9-9 550w 4P VR (Open Motor)1 x REE-2 Electronic Speed Controller1 x CBA-60 Inlet Flange for CBT-601 x MTP 10, 10K, Speed control1 x Single phase speed controller by auto-transformer - RMB 10.0 Amp1 x MTS10- extractor fan 3 step switch1 x RDH FLEX-SQUARE - ADH/RDH 04501 x MEV Spider Wireless boost Switch - MEV-SWH-W1 x Bathroom Fan -Envirovent- Silent 100 T (Timer Model)1 x PIR Sensor - PIR21 x Vent Axia Silent 100T (TIMER)1 x Speed Controller - REB11 x TD Mixvent 800/200 EEXEIIT31 x Silent 100 Window Kit - windowS1 x PIR Sensor - PIR41 x Speed Controller - REB81 x DDMP 09/09 Mounting Flange1 x UB47- Universal Insulated Terminal1 x Helios TSD 3.0 Transformer Speed Control (400v)1 x REU 7amp Speed control - Two Speed Five-Step Transformer - Trickle and Boost3 x Vent Axia ACM 125 inline mixed flow duct fan1 x ERR 20/1 Centrifugal inline fan1 x Transformer Speed Control - RTRE- 5.0Amp1 x MTV-1/010 Controller 0 to 10V+1 x S&P MULTI-REG EC FAN CONTROLLER / INTERFACE2 x Helios TSW 0.3Amp Compact Transformer speed controller2 x Helios TSW 1.5 Amp Transformer speed controller2 x MWS 3 – Transformer Controller With Motor Protection2 x Envirovent 4 Way Remote Control Switch - SWHBKRF-41 x Helios TSW MCB Amp Transformer speed controller1 x RRB- transformer controller1 x Single phase speed controller by auto-transformer - RMB 8.0 Amp2 x Temperature Fan Speed Controller - ATCP4-WMS1 x FAST-TRACK RANGE 90mm - Adaptor For Distribution Box1 x Two Speed Switch - REGUL-21 x Elta 6 Amp Electronic single phase speed controller with TK1 x BEAS-control module2 x Transformer speed controller - ATC1 - 1.5 Amps1 x MV-B Dual Switch for use with Helios HQW plate fans,1 x TEM 075 - 5 Speed Transformer Speed Control
Reviews
Vectaire Elegance Low Energy DMEV Fan Range
Vectaire Elegance Low Energy DMEV Fan Range
£ 131.69

I've had 2 of these fans for 4 years now, and they are great...