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 Hydor HPA400/4-1A1 x 125mm Insulated Round T-Piece1 x Ducting Y Piece - 250mm1 x QP315C Acoustic Fan - 315mm1 x HRB/4-400-APN1 x Duct Termination with Mesh - 355mm3 x HIMF - Mixed Flow Fan 150mm Inline Fan2 x Elta - SMT 125 Mixvent Inline Fan - Clearance Stock Line1 x Pre 10:30 Delivery Surcharge1 x HIMF - Mixed Flow Fan 100mm Inline Fan2 x HQS Bathroom Axial Flow Fan - 125mm1 x Economy Airvent 150mm Fan With Pullcord & Shutters1 x Ducting 45 Degree Bend - 355mm1 x Potentiometer Mounting Kit for RSAS-10K-IP651 x Clearance JPAK 100mm1 x Manrose 150mm - XF150BP1 x Belt Drive Cased Axial Fan - 560mm - H version1 x HRT/4-315-BPN1 x Spiral Rapid Lock Clamp - 225mm1 x CSB-60 Centrifugal fan1 x Purlin Box 200/250 for RAW Cowls1 x 5-Speed Controller for use with Elta SAX Classic Fans1 x Elta SCP400/4-3AC - IP551 x Duct Mounted Filter Box - G4 Grade Panel - 100mm1 x DV-ROF-V-315 Roof mounted unit1 x Spiral Ducting 1 meter - 400mm1 x 18M - 80mm PVC flexible ducting1 x HCFT/4-450mm plastic impeller plate fan1 x Female Ducting Connector - 200mm1 x EuroSeries (ESP) - Plate Mounted Axial Fans 400-141 x HRB/6-400-APN1 x Spiral Ducting 1 meter - 80mm1 x Soler & Palau - HCBT/4-400/H - IP651 x 125mm Round Equal T Piece1 x 125mm Round Connector1 x AIRVENT speed control - AIR4019611 x Systemair ZAP- 4pole - Three phase -400mm - IP541 x Duct Termination with Mesh - 400mm1 x 125mm Round Connector with Damper1 x Metal Inline Fan - VENT-150NK1 x Elta Wall Cowl SWC35/401 x Duct Suspension Rings - 250mm1 x Heat Resistant In-line Axial Fan - VO-1201 x 100mm Round Condensation Trap1 x FU 075 52 Frequency Inverter (IP20)1 x Acopel F400-315/1601 x ELTA - Three Phase Transformer 10amps1 x Helios TSD 5.5 Transformer Speed Control (400v)1 x FRQ5-10A Inverter Speed controller1 x CC-SHT 504 (C-Version)1 x 125mm Insulated 45 Degree Bend1 x FedEx TEN AM delivery Surcharge1 x 125mm Thermal Duct to Fitting Connector - SST-125-DFCON1 x FU 15 16 Frequency Inverter1 x Frequency converter RUCK - FU 075 21
Reviews
Duct Mounted Inline Filter - EU4
Duct Mounted Inline Filter - EU4
£ 41.95

Well made and robust, but it was not use for my application ...