• Model:EFSC

Electronic extractor fan speed controller - EFSC

£ 31.49 (excl. VAT)

£ 37.79 (inc. VAT)

A range of Electronic Fan Speed Controllers designed for speed controllable single phase motors up to 10 amps.
The EFSC3,5,6 & 10 all have an illuminated on/off rocker switch and a stepless rotary knob for speed adjustment.
These controllers do not have TP/TK connections, any fans with these connections available should use suitable matching controllers, such as the EFSC with TK.

EFSC Range Features
• All models supplied with surface mount backing box
• Minimum & Maximum speed internal pre-set adjusters on all models
• Suitable for 2 or 3 wire control
• Electronic stepless speed control
• Easy to install

Physical Dimensions

150mm x 85mm x 40mm

Notes for engineers: If wanting to use 3 wire control, the capacitor will have to be disconnected from Live and fed to the Aux on the EFSC instead. (If the motor is supplied in this configuration, which is normally the case.)
This is a controlled Live controller. If the capacitor is connected to Neutral on the motor (controlled Neutral configuration) and you want to use 3 wire connection, U1 & U2 will have to be reversed for the fan to run in the correct direction.
3 wire control gives better starting torque, less heat generation and is preferred in all respects.

If in doubt use the 2 wire connection the the fan, as described in the instructions.
PDF Files


Data Sheet

Available Options

1 x AL 355 EC 01 AXIALINE - High Performance Long Cased Axial Fan1 x Soler & Palau VFD-T inverter 6.8 amp IP541 x Acopel F400-500/1601 x Belt Drive Cased Axial Fan - 630mm - H version1 x Duct Suspension Rings - 80mm1 x Acopel F400-630/1601 x Synthetic Air Filter Media - 6mm x 1000mm x 1000mm1 x Anti Vibration Duct Suspension Rings - 150mm1 x 220x90mm Flat Channel Connector1 x Helios GigaBox 450mm GBD 450/4/4 centrifugal1 x Helios GigaBox 450mm GBD 450 centrifugal - EC Motor1 x CMT-2 225/090 1.1KW - Single inlet centrifugal fan direct driven1 x Acopel F400-200/1601 x Female Ducting Connector - 450mm1 x Duct Suspension Rings - 125mm1 x KBA- Inlet Mounting 2251 x 110 x 54mm Short Rectangular to Round Adaptor Female1 x Acopel F400-225/1601 x Female Ducting Connector - 180mm1 x Male Ducting Connector - 450mm1 x Etaline 450mm -EC (Three Phase)1 x KABT High Temp Acoustic Kitchen Fan & Inverter Kit - KABT/4-12000/560 ND - Pack 52 x Elta Standard Ambient Flexible Connector - 250mm1 x G2 duct mounted panel filter 100-1601 x MTP 10, 10K, Speed control1 x Duct Suspension Rings - 150mm1 x Elta SLC400/4-3AC - IP551 x 100mm - 125mm Round Reducer1 x Acopel F400-400/1601 x Ducting 45 Degree Bend - 250mm1 x Ducting 45 Degree Bend - 355mm1 x Elta Standard Ambient Flexible Connector - 500mm1 x Elta Standard Ambient Flexible Connector - 400mm1 x Inline Hepa filter with housing & pre-filters1 x Acopel F400-560/1601 x FUM Mounting Foot for ERM 2501 x Soler & Palau - HCBT/4-630/H - IP651 x Quietflow SQS200-1ECL - Centrifugal Box Fan1 x Belt Drive Cased Axial Fan - 560mm - H version1 x Contra Rotating TCBBx2-630 Cased Axial - Single Phase - IP65 - Soler & Palau1 x Biflow SB (CYL) Bifurcated Cylindrical Axial Flow Fan - 500mm1 x Biflow SB250-CON4-1 - High Temperature Bifurcated Fan1 x Biflow SB315-CON2-3 - High Temperature Bifurcated Fan
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