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
£ 1,046.63
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
£ 293.81
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
£ 475.09
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
£ 641.79
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
£ 741.22
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
£ 810.86
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
£ 1,057.34
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 HIMF - Mixed Flow Fan 100mm Inline Fan1 x Elta - SMT 125 Mixvent Inline Fan - Clearance Stock Line2 x HQS Bathroom Axial Flow Fan - 125mm1 x Jetflow-HIT Metal inline - 160mm1 x DV-ROF-V-315 Roof mounted unit1 x Hydor Typhoon Circulation Fans - HVFB - 300mm1 x Elta SCP315/4-3AC - IP551 x Soler & Palau - HCBT/2-315/H - IP651 x Helios HQW-315/4 - IP551 x HRT/4-315-BPN1 x Bathroom Fan -Envirovent- Silent 100 T (Timer Model)1 x Elta SCP315-1EC - IP551 x Ducting T Piece Equal - 500mm1 x ERM 18 protection guard - SGM 18 EX1 x Impeller Side Guard - 560mm1 x 220x90mm Insulated Rectangular Horizontal 90° Bend1 x Spigot plate - 500mm1 x KVK SLIM 160 EC - Centrifugal Circular Duct Fan1 x Impeller Side Guard - 500mm1 x Impeller Side Guard - 450mm1 x ACQ-150-12D Acoustic Inline Box Fan1 x Ducting 45 Degree Bend - 500mm1 x DS-2/2 2-Speed Switch IP54 (Single Phase)1 x Flanged Spigot - 315mm1 x Ducting T Piece Equal - 315mm1 x Male Ducting Connector - 315mm1 x Female Ducting Connector - 250mm1 x Spigot plate - 315mm1 x Soler & Palau TCBB/2-250/H - IP541 x AMD 225/2/2 High Pressure Long Cased Axial Fan1 x Spiral end cap - 250mm1 x Compact SCD630/4-3AC1 x Raptor SDA630/46-3AC1 x EC-Vent control board1 x ECS25/400 ECS25/400 SPRING A/V MOUNT1 x Elta Box Fan AV Mounts - 063-SEL03 (PACK of 4)1 x FSD-TD 180mm Fire and Smoke Damper, Type C, EASY FIX AF, GALV Case, GALV Blades, PM230-TF (SC)1 x FSD-TD 350mm Fire and Smoke Damper, Type C, EASY FIX AF, GALV Case, GALV Blades, PM230-TF (SC)1 x Duct Fast Clamps - 200mm1 x Duct Wrap Insulation - AWDW25mm1 x Anti Vibration Duct Suspension Rings - 200mm1 x Spiral Ducting 3 Meters - 200mm1 x Spiral Duct Grille Termination - 200mm1 x Ancillary Sealing Band - 200mm1 x Elta Qube SQU Centrifugal Box Fan - SQU4/4-3 HTS - Three Phase1 x Helios GigaBox 710mm GBD 710/4 centrifugal1 x HIMF - Mixed Flow Fan 125mm Inline Fan1 x KVK SLIM 200 EC - Centrifugal Circular Duct Fan1 x EuroSeries (ESP) - Plate Mounted Axial Fans 560-34-B1 x Soler & Palau - Contra Rotating TCBTx2-560 - IP651 x Elta SLC560-1EC -IE5 Motor- IP551 x S & P Aluminium Axial Fan Louvre Shutter - PER-CR- 3551 x HRT/6-710/30-BQ E21 x Belt Drive Cased Axial Fan - 450mm - L version1 x Spiral Duct Grille Termination - 400mm1 x KVK Slim 250 - Low profile Semi Acoustic Box Fan1 x Biflow SB250-CON4-1 - High Temperature Bifurcated Fan1 x Duct Termination with Mesh - 400mm1 x Belt Drive Cased Axial Fan - 710mm - H version2 x ISOR 250 EC 201 x Biflow SB250-CON2-3 - High Temperature Bifurcated Fan1 x Same Day Shipping Surcharge1 x Belt Drive Cased Axial Fan - 900mm - H version1 x Spiral Ducting 3 Meters - 400mm1 x Belt Drive Cased Axial Fan - 560mm - H version1 x Helios GigaBox 450mm GBD 450 centrifugal - EC Motor1 x Spiral end cap - 450mm1 x Spiral Ducting 3 Meters - 450mm1 x 1mtr Round Ducting - 125mm1 x Ducting 30 Degree Bend - 450mm1 x KVK Slim 100 - Low profile Semi Acoustic Box Fan1 x Duct Termination with Mesh - 450mm1 x Inclined Curb support BI-3 for TH-5001 x FK 125 Fast Clamp1 x AW Sileo EC Plate Axial Fan - Three Phase - 800mm1 x Metal Inline Fan - VENT-100NK1 x HRFD 630/4 EX Atex Rated 630mm Cased Axial Fan 400v1 x Elta SLC500/2B-3AC - IP551 x Belt Drive Cased Axial Fan - 500mm - L version1 x Spiral Ducting 1 meter - 355mm1 x CBPx2-9/7-D1 x Ancillary Pack for SB-Biflow 400 model
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 ...