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)
Helios TSD 5.5 Transformer Speed Control (400v)
£ 588.80
Helios TSD 5.5 Transformer Speed Control (400v)...
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...
Displaying 25 to 48 (of 60 products)
1 x FRQ-10A V2 Inverter Speed controller1 x Elta Variable Speed Drive IP66 - 0.75KW1 x FU 22 25 Frequency Inverter1 x Frequency converter FU 075 14 - IP661 x Frequency converter RUCK - FU 075 201 x Frequency converter RUCK - FU 075 211 x Circular Ceiling Diffuser - TST 1251 x Circular Ceiling Diffuser - TST 1001 x Circular Ceiling Diffuser - TST 2001 x Elta 2 Amp Electronic single phase speed controller.1 x Elta 3 Amp Electronic single phase speed controller with TK1 x Curved Blade Grille 600x600 (2way blow)1 x ELTA - Single Phase Transformer 8amps1 x ELTA - Single Phase Transformer 16amps1 x Round ceiling diffuser 400mm1 x Elta 3 Amp Electronic single phase speed controller.1 x Circular Ceiling Diffuser - TST 1602 x ELTA - Single Phase Transformer 12amps1 x Elta 6 Amp Electronic single phase speed controller.1 x Elta Variable Speed Drive IP66 - 2.2KW1 x Elta Variable Speed Drive IP66 - 7.5KW1 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 075 52 Frequency Inverter (IP20)1 x FU 15 16 Frequency Inverter1 x Elta Variable Speed Drive IP66 - 5.5KW1 x Elta Variable Speed Drive IP66 - 2.2KW (1ph to 3ph)1 x ELTA - Three Phase Transformer 10amps1 x ELTA - Three Phase Transformer 3amps1 x Elta 10 Amp Electronic single phase speed controller.1 x ATEX rated 3-phase Speed Control - R-DK4 KT (EX)1 x Helios - FIUK-11KW 24.0A - FREQUENCY INVERTER1 x FU 075 04 Frequency Inverter (IP20)1 x ELTA - Single Phase Transformer 2amps2 x Remote controller FLEX - for VEKO INT1 x HCFC 1.7 - Reversible Speed Controller for HCF sweep fans1 x PCA Diffuser - PCA-3151 x Transformer 5 Speed Controller - ATC1-8TK1 x EFSC-3N- Single Phase Speed Control1 x Elta 6 Amp Electronic single phase speed controller with TK1 x JSR 200 Painted RAL50181 x Airvent ceiling fan controller1 x Round ceiling diffuser 200mm1 x EFSC-6N- Single Phase Speed Control1 x Round ceiling diffuser 300mm2 x Vent Axia ACM 125 T (Timer Model) inline mixed flow duct fan1 x Elta Variable Speed Drive IP66 - 4.0KW1 x FU 22 04 Frequency Inverter2 x Vent Axia ACM 150 inline mixed flow duct fan1 x Electronic extractor fan speed controller - FSC 1.51 x Balance S Diffuser - NO RING - 125mm1 x Vent Axia ACM 100 T (Timer Model) inline mixed flow duct fan1 x Temperature Fan Speed Controller - ATCP4-WMS1 x Transformer 5 Speed Controller - ATC1-4TK1 x Helios TSW 3 Amp Transformer speed controller1 x ELTA - Single Phase Transformer 4amps2 x Envirovent 4 Way Remote Control Switch - SWHBKRF-41 x Multi Input Run On Timer - 0 - 20min - CFCU1 x NKS-D swirl diffuser v-300 x 300mm1 x EC6H - Reversible Group Fan Electronic Controller
Reviews
Circular Inline Silencers - 0.6M long - SLU-600
Circular Inline Silencers - 0.6M long - SLU-600
£ 58.40

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