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 53 products)
Helios VDS-7 Three Phase Transformer 5-Step
Helios VDS-7 Three Phase Transformer 5-Step
£ 632.42
Helios VDS-7 Three Phase Transformer 5-Step...
Inverter Fan Speed Controller Range INV3
Inverter Fan Speed Controller Range INV3
£ 716.94
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
£ 790.15
Inverter VFKB 45 - Adjustable Frequency Drive for Three Phase Motors up to 1.5 KW at 400 V....
Inverter VFKB 48
Inverter VFKB 48
£ 833.68
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
£ 343.13
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
£ 1,070.51
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
£ 414.32
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
£ 480.28
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
£ 790.46
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
£ 1,098.96
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
£ 308.50
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
£ 498.84
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
£ 673.88
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
£ 778.28
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
£ 851.40
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
£ 1,110.21
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
£ 1,038.45
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
£ 1,121.25
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
£ 686.12
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
£ 718.91
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
£ 811.25
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...
Three Phase 3 step - 10amp  Transformer controller for use with the HV Wall Mounted fans.
Three Phase 3 step - 10amp Transformer controller for use with the HV Wall Mounted fans.
£ 510.00
Three Phase 3 step - 10amp Transformer controller for use with the HV Wall Mounted fans....
Three phase Transformer Auto speed controller - ATC3
Three phase Transformer Auto speed controller - ATC3
£ 454.86
The ATC3 is for use with Three phase voltage controllable fans. Auto transformer controllers regulate the voltage output whilst maintaining a true sine wave. The great advantage of this type of contro...
Displaying 25 to 48 (of 53 products)
1 x Ducting Reducer Long - 1000mm to 630mm1 x CRHB-250N Ecowatt - Energy Efficient Roof Fan1 x Etaline 400mm D2-01 3-phase2 x AL 315 EC 01 AXIALINE - High Performance Long Cased Axial Fan1 x CC-800-5.5kw1 x Acopel F400-355/1601 x CBM 10/10 - 750watt 4P RE VR (3 Phase)1 x Soler & Palau TCBT/4-250/H - IP441 x Ducting Reducer Long - 1000mm to 710mm1 x 204x60mm 90 Degree Vertical Bend1 x Clearflow CFHT Kitchen/High Temp Roof Fan - CFHT350/4-3AC1 x Ducting 30 Degree Bend - 1000mm1 x AL 355 EC 01 AXIALINE - High Performance Long Cased Axial Fan1 x CAB-355 ECOWATT Energy Efficient Acoustic Box Fan1 x *NEW* TD EVO-100 PF ECOWATT - Environmentally Friendly Energy Efficient Inline Fan1 x 204x60mm 45 Degree Horizontal Bend1 x Ducting 15 Degree Bend - 1000mm1 x Clearflow CF Roof Mounted Vertical Discharge Centrifugal Fan - CF450/4-1AC - Single Phase1 x 204x60mm 45 Degree Vertical Bend1 x Clearflow CFHT Kitchen/High Temp Roof Fan - CFHT630/4-3AC1 x CAB-400 ECOWATT Energy Efficient Acoustic Box Fan1 x Axial Roof mounted Extract/Supply Fan- -HCTT/4-900-B 5.5kw1 x 204x60mm Flat Channel Clip (Pack of 5)1 x Male Ducting Connector - 1000mm1 x CRHB/6- 630mm Roof mounted Fan - Horizontal discharge1 x Clearflow CF Roof Mounted Vertical Discharge Centrifugal Fan - CF350/4-3AC - Three Phase1 x 204x60mm to 220x90mm Rectangular Adapter1 x 204x60mm x 500mm Long Hi-Flow Duct Silencer1 x Ducting 45 Degree Bend - 1000mm1 x Flexible PVC Ducting - 204x601 x 204x60mm Elbow Bend with 150mm Fixed Spigot1 x AW Sileo EC Plate Axial Fan - Three Phase - 710mm1 x 204x60mm x 2m Low Profile Plastic Ducting - 2 Meter1 x Axial Roof mounted Extract/Supply Fan- -HCTT/4-1000-B 5.5kw1 x Airbrick Grille with flange - 204 x 60mm1 x 204x60mm Flat Channel Connector1 x 204x60mm Elbow Bend with 125mm Fixed Spigot1 x CRHB/6- 315mm Roof mounted Fan - Horizontal discharge1 x CRHT/4-315 N Roof mounted Fan - Horizontal discharge1 x Clearflow CF Roof Mounted Vertical Discharge Centrifugal Fan - CF400/4-1AC - Single Phase1 x Access Door 200mm x 200mm1 x Elta Prema LCD Display1 x Biflow SB (CYL) Bifurcated Cylindrical Axial Flow Fan - 400mm1 x Duct Split Rings (Pair) -630mm1 x Metal Inline Fan - VENT-400K - T (3 Phase)1 x *VORT HRW 30 MONO Evo HCS WIFI - Single Room Heat Recovery Unit,1 x Etaline 400mm -EC1 x AC03TO-ADS-VFS-EN-9A (Three Phase)1 x Access Door for Circular Duct - 400 x 300 - SIZE 561 x Acopel F400-250/1601 x GR40I-ZID.DC.CR (186640/A01) - 230v Single Phase1 x Male Ducting Connector - 150mm1 x 220x90mm Insulated Rectangular T-Piece
Reviews
Circular Inline Silencers - 0.6M long - SLU-600
Circular Inline Silencers - 0.6M long - SLU-600
£ 50.56

I have a loft mount extractor fan which was very noisy. I ...