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)
£ 588.80
Helios TSD 5.5 Transformer Speed Control (400v)...
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
£ 829.66
Inverter VFKB 45 - Adjustable Frequency Drive for Three Phase Motors up to 1.5 KW at 400 V....
Inverter VFKB 48
£ 875.36
Inverter VFKB 48 - Adjustable Frequency Drive for Three Phase Motors up to 4 KW at 400 V....
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
£ 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
£ 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
£ 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
£ 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
£ 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
£ 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
£ 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
£ 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
£ 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
£ 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
£ 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
£ 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
£ 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
£ 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
£ 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
£ 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)
2 x Helios TSW MCB Amp Transformer speed controller2 x Vent Axia ACM 100 T (Timer Model) inline mixed flow duct fan2 x Elta Variable Speed Drive IP66 - 2.2KW1 x Elta Variable Speed Drive IP66 - 7.5KW1 x FU 15 40 Frequency Inverter1 x FRQ-10A V2 Inverter Speed controller1 x Helios TSD 3.0 Transformer Speed Control (400v)1 x FU 075 52 Frequency Inverter (IP20)1 x Frequency converter FU 075 14 - IP661 x FU 22 25 Frequency Inverter2 x Elta Variable Speed Drive IP66 - 0.75KW1 x FRQ5-10A Inverter Speed controller1 x Elta Variable Speed Drive IP66 - 1.5KW1 x Frequency converter RUCK - FU 075 201 x FU 15 16 Frequency Inverter1 x Elta Variable Speed Drive IP66 - 5.5KW1 x FU 075 04 Frequency Inverter (IP20)1 x ELTA - Three Phase Transformer 10amps1 x ATEX rated 3-phase Speed Control - R-DK4 KT (EX)1 x ELTA - Three Phase Transformer 3amps1 x Elta 10 Amp Electronic single phase speed controller.1 x FU 22 04 Frequency Inverter1 x Frequency converter RUCK - FU 075 211 x ELTA - Single Phase Transformer 2amps1 x NKS-D swirl diffuser v-300 x 300mm3 x Electronic extractor fan speed controller - FSC 1.51 x Balance S Diffuser - NO RING - 125mm3 x EC6H - Reversible Group Fan Electronic Controller1 x Circular Ceiling Diffuser - TST 1251 x Elta 2 Amp Electronic single phase speed controller.2 x Airvent ceiling fan controller1 x Circular Ceiling Diffuser - TST 1002 x Elta 3 Amp Electronic single phase speed controller with TK1 x ELTA - Single Phase Transformer 16amps1 x Curved Blade Grille 600x600 (2way blow)1 x ELTA - Single Phase Transformer 8amps1 x 5-Speed Controller for use with Elta SAX Classic Fans1 x Circular Ceiling Diffuser - TST 2001 x ELTA - Single Phase Transformer 12amps1 x EFSC-3N- Single Phase Speed Control1 x Elta 3 Amp Electronic single phase speed controller.3 x Elta 6 Amp Electronic single phase speed controller with TK1 x Round ceiling diffuser 400mm1 x JSR 200 Painted RAL50181 x Circular Ceiling Diffuser - TST 1602 x COM-31 x ELTA - Single Phase Transformer 4amps1 x AIRVENT speed control - AIR4019611 x EFSC-6N- Single Phase Speed Control1 x Balance S Diffuser - NO RING - 100mm1 x Round ceiling diffuser 200mm1 x Elta 6 Amp Electronic single phase speed controller.1 x Round ceiling diffuser 300mm1 x PCA Diffuser - PCA-2501 x ELTA - Single Phase Transformer 10amps1 x Round ceiling diffuser 250mm1 x Round ceiling diffuser 350mm1 x Run On Timer - 5s - 4hrs - RT5A3 x Remote Timer Control - 13513 x Push Timer Switch - ZA41 x Helios ZNE Electronic Fan Overrun Timer1 x Time Delay Unit - DT20B3 x Multi Input Run On Timer - 0 - 20min - CFCU1 x 7 Day Programmable TIMECLOCK1 x TTC-2000 Three phase electric heater controller1 x ACOAS/ AC/EC Auto Changeover 8Amp1 x Elta ACO Panel 149-ACO14E1 x CONTROL ECOWATT - Basic1 x EM30-24 Electro-Mechanical Control Panel1 x EC-Vent control board1 x ACO 149-ACO1/EDV2 x Helios HQW-630/4 - IP551 x Elta ACO Panel 149-ACO18B1 x Systemair Save Connect 2.0 Internet Module1 x S & P Aluminium Axial Fan Louvre Shutter - PER-CR- 6301 x U-EK plastic housing IP65 - for use with the U-EK230E Motor Protection1 x EM30-24 Control Panel Commissioning Service1 x S & P Aluminium Axial Fan Louvre Shutter - PER-CR- 5001 x Easy-fix termination kit - High Rise Ventilator - EFT1 x S & P Aluminium Axial Fan Louvre Shutter - PER-CR- 3551 x Elta Variable Speed Drive IP66 - 2.2KW (1ph to 3ph)2 x HCFC 1.7 - Reversible Speed Controller for HCF sweep fans2 x Vent Axia ACM 150 inline mixed flow duct fan2 x Three Phase Transformer controllers - RMT 1.5 Amp2 x Isolator Switch - ISOSW2 x Envirovent Silent MV160/100T Mixvent - Timer Model - 100mm - (5 year warranty)1 x BEAS-control module2 x Single phase speed controller by auto-transformer - RMB 1.5 Amp1 x CPTA-S PIR SENSOR Volt Free Contacts - Surface Mounted2 x Envirovent G4 Filter - SL-G4/F72 x MWS 1.5 – Transformer Controller With Motor Protection1 x Speed Controller - REB52 x Quietflow SQS400-1ECL - Centrifugal Box Fan1 x REB-CVF 0-10v Controller1 x Envirovent 4 Way Remote Control Switch - SWHBKRF-42 x Vent Axia ACM 125 T (Timer Model) inline mixed flow duct fan2 x Remote controller FLEX - for VEKO INT1 x Helios TSW 7.5 Amp Transformer speed controller2 x Transformer 5 Speed Controller - ATC1-4TK2 x Transformer 5 Speed Controller - ATC1-10TK2 x Transformer 5 Speed Controller - ATC1-8TK1 x Transformer 5 Speed Controller - ATC1-12TK1 x Vent Axia ACM 200 inline mixed flow duct fan1 x Vent Axia ACM 100 inline mixed flow duct fan1 x Vent Axia ACM 125 inline mixed flow duct fan1 x CS2 Current Switch1 x TG-K Duct temperature sensor2 x MWS 3 – Transformer Controller With Motor Protection1 x KMBI 180 Connector rectangular/circular to install on the discharge of CMT2 x Helios HQW-200/2 - IP551 x CMT-2 200/80 1.1KW - Single inlet centrifugal fan direct driven2 x Single phase speed controller by auto-transformer - RMB 8.0 Amp2 x WS - Reversing Switch from Helios Fans2 x Helios HQW-200/4 - IP551 x Multiflow SMB550/4-1AC2 x Transformer (silent) speed controller - RE 3.0 Amp2 x Skyflow SSR Horizontal Roof Cowl SSR31/35BS1 x Vent Axia T-Series Controller1 x Isolator Switch - EFF-ISO1 x Transformer (silent) speed controller - RE 5.0 Amp
Best sellers
Reviews
Circular Inline Silencers - 0.6M long - SLU-600
£ 58.40
I have a loft mount extractor fan which was very noisy. I ...