Speed Controllers - Three Phase

Variable and Transformer type speed controllers for three phase (400V) also Inverters Speed Controls and switch gear.

Displaying 1 to 24 (of 53 products)
ATEX rated 3-phase Speed Control - R-DK4 KT (EX)
ATEX rated 3-phase Speed Control - R-DK4 KT (EX)
£ 798.90
Manual five-step transformer (with motor protection) for RVK 315Y4, KTEX, DKEX and DVEX fans. A three-phase transformer which controls the fan speed by altering the supply voltage in five fixed steps...
ELTA - Three Phase Transformer 10amps
ELTA - Three Phase Transformer 10amps
£ 523.26
Elta range of Three Phase 5-Step Transformer controllers A range of transformer voltage controllers used to provide five speed step control of single phase or three phase motors where the peak cu...
ELTA - Three Phase Transformer 3amps
ELTA - Three Phase Transformer 3amps
£ 365.15
Elta range of Three Phase 5-Step Transformer controllers 3 Amp A range of transformer voltage controllers used to provide five speed step control of single phase or three phase motors where the pea...
Elta Variable Speed Drive IP66 - 0.75KW
Elta Variable Speed Drive IP66 - 0.75KW
£ 792.81
Eltadrive Variable Speed Drive IP66 - MODEL: 149-ODE3-14075-3KA1Y Focused on ease of use, Eltadrive E3 provides unrivalled simplicity of installation, connection and commissioning, allowing the u...
Elta Variable Speed Drive IP66 - 1.5KW
Elta Variable Speed Drive IP66 - 1.5KW
£ 894.88
Eltadrive Variable Speed Drive IP66 - MODEL: 149-ODE3-14150-3KA1Y Focused on ease of use, Eltadrive E3 provides unrivalled simplicity of installation, connection and commissioning, allowing the u...
Elta Variable Speed Drive IP66 - 2.2KW
Elta Variable Speed Drive IP66 - 2.2KW
£ 985.47
Elta Drive Variable Speed Drive IP66 - MODEL: 149-ODE3-24220-3KA4Y Focused on ease of use, Eltadrive E3 provides unrivalled simplicity of installation, connection and commissioning, allowing the ...
Elta Variable Speed Drive IP66 - 2.2KW (1ph to 3ph)
Elta Variable Speed Drive IP66 - 2.2KW (1ph to 3ph)
£ 736.10
Elta Drive Variable Speed Drive IP66 - MODEL: 149-ODE3-22220-1KB4Y Focused on ease of use, Eltadrive E3 provides unrivalled simplicity of installation, connection and commissioning, allowing the ...
Elta Variable Speed Drive IP66 - 4.0KW
Elta Variable Speed Drive IP66 - 4.0KW
£ 1,261.53
Elta Variable Speed drive,IP66 - Model number: 149-ODE3-24400-3KA4Y Focused on ease of use, Eltadrive E3 provides unrivalled simplicity of installation, connection and commissioning, allowing the...
Elta Variable Speed Drive IP66 - 5.5KW
Elta Variable Speed Drive IP66 - 5.5KW
£ 2,380.69
Elta Variable Speed drive IP66 - Model number: 149-ODE3-34055-3KA4Y Focused on ease of use, Eltadrive E3 provides unrivalled simplicity of installation, connection and commissioning, allowing the...
Elta Variable Speed Drive IP66 - 7.5KW
Elta Variable Speed Drive IP66 - 7.5KW
£ 2,665.37
Elta Variable Speed drive IP66 - Model number: 149-ODE3-34075-3KA4Y Focused on ease of use, Eltadrive E3 provides unrivalled simplicity of installation, connection and commissioning, allowing the...
Frequency converter FU 075 14 -  IP66
Frequency converter FU 075 14 - IP66
£ 825.00
•Frequency converter •Supply voltage 230 V 1~ 50/60 Hz •Output voltage 0 - 230 V 3~ •Variable speed control •Motor-/converter protection •Integrated interference filter/class A •In...
Frequency converter RUCK - FU 075 20
Frequency converter RUCK - FU 075 20
£ 595.00
FU 075 20 frequency converter Variable speed control Supply voltage 400 V 3~ 50/60 Hz Output voltage 0 - 400V 3~ Motor/converter protection Protection class IP 20, for switch cabinet Article ID...
Frequency converter RUCK - FU 075 21
Frequency converter RUCK - FU 075 21
£ 650.00
•Frequency converter •Supply voltage 230 V 1~ 50/60 Hz •Output voltage 0 - 230 V 3~ •Variable speed control •Motor-/converter protection •Integrated interference filter/class A •In...
FRQ-10A V2 Inverter Speed controller
FRQ-10A V2 Inverter Speed controller
£ 998.94
FRQ-10A V2 Inverter Speed controller Speed controller with 0-10V input for 3~ fans equipped with all pole sine filter The FRQ/FRQ5S frequency inverters have integrated all pole sine filters as s...
FRQ5-10A Inverter Speed controller
FRQ5-10A Inverter Speed controller
£ 1,049.00
FRQ5-10A Inverter Speed controller The FRQS/FRQ5S frequency inverters have integrated all pole sine filters as standard. Therfore there is no need for shielded cables for the installation This ...
FU 075 04  Frequency Inverter (IP20)
FU 075 04 Frequency Inverter (IP20)
£ 1,096.10
•Frequency converter •Power supply 400 V 50/60 Hz •Output voltage 0 - 400 V 3~ •Variable speed control •Motor-/converter protection •Integrated interference filter/class A •Integr...
FU 075 52  Frequency Inverter (IP20)
FU 075 52 Frequency Inverter (IP20)
£ 467.50
• Frequency converter • Supply voltage 230 V 1~ 50/60 Hz • Output voltage 0 - 230 V 3~ • Variable speed control • Motor-/converter protection • Integrated interference filter/class A ...
FU 15 16 Frequency Inverter
FU 15 16 Frequency Inverter
£ 552.86
•Frequency converter •Supply voltage 400 V 3~ 50/60 Hz •Output voltage 0 - 400 V 3~ •Variable speed control •Motor-/converter protection •Integrated interference filter/class A •In...
FU 15 40 Frequency Inverter
FU 15 40 Frequency Inverter
£ 555.50
•Frequency converter •Supply voltage 400 V 3~ 50/60 Hz •Output voltage 0 - 400 V 3~ •Variable speed control •Motor-/converter protection •Integrated interference filter/class A •In...
FU 22 04 Frequency Inverter
FU 22 04 Frequency Inverter
£ 664.13
•Frequency converter •Power supply 230 V 50/60 Hz •Output voltage 0 - 230 V 3~ •Variable speed control •Motor-/converter protection •Integrated interference filter/class A •Integr...
FU 22 25 Frequency Inverter
FU 22 25 Frequency Inverter
£ 699.00
•Frequency converter •Supply voltage 400 V 3~ 50/60 Hz •Output voltage 0 - 400 V 3~ •Variable speed control •Motor-/converter protection •Protection Class IP20...
Helios - FIUK-11KW 24.0A - FREQUENCY INVERTER
Helios - FIUK-11KW 24.0A - FREQUENCY INVERTER
£ 2,145.39
Helios FIUK-11KW 24.0A FREQUENCY INVERTER IP55 380-480V 3PH 50/60HZ 11.0 KW 24.0 A...
Helios TSD 3.0 Transformer Speed Control (400v)
Helios TSD 3.0 Transformer Speed Control (400v)
£ 398.51
Helios TSD 3.0 Transformer Speed Control (400v)...
Helios TSD 5.5 Transformer Speed Control (400v)
Helios TSD 5.5 Transformer Speed Control (400v)
£ 571.65
Helios TSD 5.5 Transformer Speed Control (400v)...
Displaying 1 to 24 (of 53 products)
1 x Soler & Palau HXM-200mm1 x MELL-USD 3000 Rectangular to Circular Adaptor 355 Dia1 x Soler & Palau - HCBT/2-315/H - IP651 x MELL-USD 6000 Rectangular to Circular Adaptor 450 Dia1 x Elta Quietflow Twin SQT200-1ECL1 x CBS-130 Outlet Flange for CBT-1301 x CBA-80 Inlet Flange for CBT-801 x Hydor Typhoon Circulation Fans - HVFB - 300mm1 x Helios GigaBox 250mm GBW 250/4 centrifugal1 x Soler & Palau - HCBT/4-315/H - IP651 x Metal Inline Fan - VENT-100NK1 x Elta SLC630/4A-3AC - IP551 x CBA-60 Inlet Flange for CBT-601 x Elta Quietflow Twin SQT400-1ECL1 x KV 250 L Sileo1 x PVO 200 (2-POLE) Plate Axial fan1 x Elta SLC630/4B-3AC - IP551 x Elta Quietflow Twin SQT150-1ECL1 x Bell Mouth Inlet for Elta cased fans - 800mm1 x 204x60mm x 2m Low Profile Plastic Ducting - 2 Meter1 x Elta SCP400/4-3AC - IP551 x Soler & Palau - HCBT/4-400/H - IP651 x HCF - Ceiling Fan 1200mm (48 inch)1 x 204x60mm Rectangular to 125mm Round Adaptor1 x HCFT/6-800-H plastic impeller plate fan1 x Elta SLC1000/6A-3AC - IP551 x AL 1000 D4 02 - High Performance Long Cased Axial Fan1 x Acopel F400-710/1801 x Elta Standard Ambient Flexible Connector - 400mm1 x Elta Standard Ambient Flexible Connector - 250mm1 x Elta SLC400/4-1AC - IP551 x 125mm Round Equal T Piece1 x Access Door for Circular Duct - 300 x 200 - SIZE 501 x Access Door 250mm x 250mm1 x MFQ450-14 - SQUARE MIXED FLOW FAN - 450mm Single Phase1 x TXBR-250 Ecowatt1 x Dektite Combo Pipe Flashing - DC210REC1 x Jet Fan IV 100-4 IE3 Induction Fan1 x Helios DDF-315 Roof Cowl1 x Helios DDF-200 Roof Cowl1 x TD500 Mixvent - 160mm - TD500(5211302400)1 x CRHB-250N Ecowatt - Energy Efficient Roof Fan1 x ELTA - Single Phase Transformer 16amps1 x Clearflow CF Roof Mounted Vertical Discharge Centrifugal Fan - CF400/4-1AC - Single Phase1 x AIRVENT speed control - AIR4019611 x Elta SLC560/4C-3AC - IP551 x Elta SLC560/4B-1AC - IP551 x CBMT/Q 250-30 1 HEATER KIT1 x CBMT/Q 100-06 1 HEATER KIT1 x CBMT/Q 400-55 1 HEATER KIT1 x CBMT/Q 315-90 3 HEATER KIT1 x 56Jm/16/4/5/32/1Ph Long cased axial1 x Delivery Surcharge1 x Multiflow SMB650/4-3AC1 x WOODS 31JM/16/4/5/34-DEG 4POLE 1PH LONG CASED AXIAL FAN1 x Ancillary Pack for SLC-800 for 4 Pole and SLC-800/6B-3AC1 x Soler & Palau TCBT/4-315/H - IP44
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 ...