• Model:KD-250L

KD 250 L1 Circular duct fan

£ 598.87 (excl. VAT)

£ 718.64 (inc. VAT)

• High efficiency – low noise • Speed-controllable • Integral thermal contacts • Can be installed in any position • Maintenance-free and reliable The KD series have external rotor motors with a new type of mixed flow impeller which reduces the external dimensions of the fans. These fans have a high capacity in relation to their compact design. Brackets are supplied with the fans to make installation easier. The FK mounting clamp facilitates easy installation and removal and prevents the transfer of vibrations to the duct. To protect the motor from overheating the fan has integral thermal contacts with manual reset. The casing is manufactured from galvanised sheet steel..

EC fans are notable for their economical use of energy and excellent ease of control. They can be varied in speed to match the airflow demand, and operate at high efficiency levels. For the same air volume, they consume distinctly less energy than AC fan drives.

Another special feature of EC fans is their energy-saving potential not only at full load, but especially at part-load. When operating at part-load, the energy used is much lower than with an asynchronous motor of equivalent output.

Reduced energy usage guarantees a drop in operating costs.

The KD EC series have external rotor motors (EC) with a mixed flow impeller which reduces the external dimensions of the fans. These fans have a high capacity in relation to their compact design. Brackets are supplied with the fans to make installation easier. The FK mounting clamp facilitates easy installation and removal, and prevents the transfer of vibration to the duct. The fans are delivered with a pre-wired potentiometer(0-10V) that allows you to easily find the desired working point.

Motor protection is integrated in the electronics of the motor. The casing is manufactured from galvanised sheet steel.
PDF Files


Data Sheet

1 x Elta Variable Speed Drive IP66 - 2.2KW1 x Elta Variable Speed Drive IP66 - 7.5KW1 x FU 15 40 Frequency Inverter1 x FU 075 52 Frequency Inverter (IP20)1 x Helios TSD 3.0 Transformer Speed Control (400v)3 x Elta Variable Speed Drive IP66 - 0.75KW1 x FRQ-10A V2 Inverter Speed controller1 x Frequency converter RUCK - FU 075 201 x FU 22 25 Frequency Inverter1 x Frequency converter FU 075 14 - IP661 x Elta Variable Speed Drive IP66 - 4.0KW1 x FU 15 16 Frequency Inverter1 x Elta Variable Speed Drive IP66 - 5.5KW1 x Elta Variable Speed Drive IP66 - 1.5KW1 x FRQ5-10A Inverter Speed controller1 x Elta Variable Speed Drive IP66 - 2.2KW (1ph to 3ph)1 x FU 075 04 Frequency Inverter (IP20)1 x ATEX rated 3-phase Speed Control - R-DK4 KT (EX)1 x ELTA - Three Phase Transformer 3amps1 x Helios - FIUK-11KW 24.0A - FREQUENCY INVERTER1 x FU 22 04 Frequency Inverter1 x ELTA - Three Phase Transformer 10amps1 x Elta 10 Amp Electronic single phase speed controller.1 x ELTA - Single Phase Transformer 2amps1 x Electronic extractor fan speed controller - FSC 1.51 x Balance S Diffuser - NO RING - 125mm1 x NKS-D swirl diffuser v-300 x 300mm3 x EC6H - Reversible Group Fan Electronic Controller1 x Elta 2 Amp Electronic single phase speed controller.3 x Airvent ceiling fan controller1 x Circular Ceiling Diffuser - TST 1253 x Elta 3 Amp Electronic single phase speed controller with TK1 x ELTA - Single Phase Transformer 8amps1 x ELTA - Single Phase Transformer 12amps1 x 5-Speed Controller for use with Elta SAX Classic Fans1 x ELTA - Single Phase Transformer 16amps1 x Curved Blade Grille 600x600 (2way blow)1 x EFSC-3N- Single Phase Speed Control1 x PCA Diffuser - PCA-3151 x Circular Ceiling Diffuser - TST 1005 x Elta 6 Amp Electronic single phase speed controller with TK1 x Elta 3 Amp Electronic single phase speed controller.1 x COM-31 x ELTA - Single Phase Transformer 4amps1 x AIRVENT speed control - AIR4019611 x JSR 200 Painted RAL50181 x EFSC-6N- Single Phase Speed Control1 x Circular Ceiling Diffuser - TST 1601 x Round ceiling diffuser 400mm1 x Elta 6 Amp Electronic single phase speed controller.1 x Round ceiling diffuser 300mm1 x Round ceiling diffuser 200mm1 x ELTA - Single Phase Transformer 10amps1 x PCA Diffuser - PCA-2501 x Balance S Diffuser - NO RING - 100mm1 x Round ceiling diffuser 250mm1 x Round ceiling diffuser 350mm1 x Run On Timer - 5s - 4hrs - RT5A1 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 ACOAS/ AC/EC Auto Changeover 8Amp1 x ACO8AC/EC AutoChangeover panel1 x TTC-2000 Three phase electric heater controller1 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/EDV1 x Elta ACO Panel 149-ACO18B4 x Systemair Save Connect 2.0 Internet Module1 x S & P Aluminium Axial Fan Louvre Shutter - PER-CR- 6301 x EC-Vent Room Unit1 x EM30-24 Control Panel Commissioning Service1 x U-EK plastic housing IP65 - for use with the U-EK230E Motor Protection1 x S & P Aluminium Axial Fan Louvre Shutter - PER-CR- 5001 x Easy-fix termination kit - High Rise Ventilator - EFT2 x HCFC 1.7 - Reversible Speed Controller for HCF sweep fans2 x Vent Axia ACM 150 inline mixed flow duct fan2 x Envirovent Silent MV160/100T Mixvent - Timer Model - 100mm - (5 year warranty)2 x BEAS-control module1 x Remote controller FLEX - for VEKO INT2 x Transformer 5 Speed Controller - ATC1-4TK3 x Transformer 5 Speed Controller - ATC1-12TK2 x TG-K Duct temperature sensor3 x Isolator Switch - ISOSW2 x CPTA-S PIR SENSOR Volt Free Contacts - Surface Mounted2 x Helios HQW-630/4 - IP552 x Skyflow SSR Horizontal Roof Cowl SSR31/35BS4 x Vent Axia ACM 125 T (Timer Model) inline mixed flow duct fan1 x Helios TSW 7.5 Amp Transformer speed controller2 x Transformer 5 Speed Controller - ATC1-10TK1 x Transformer 5 Speed Controller - ATC1-8TK2 x Helios TSW 3 Amp Transformer speed controller3 x Vent Axia ACM 125 inline mixed flow duct fan3 x CS2 Current Switch3 x MWS 3 – Transformer Controller With Motor Protection1 x Vent Axia ACM 100 T (Timer Model) inline mixed flow duct fan2 x Temperature Fan Speed Controller - ATCP4-WMS3 x Helios TSW MCB Amp Transformer speed controller2 x Helios TSW 0.3Amp Compact Transformer speed controller2 x Helios TSW 1.5 Amp Transformer speed controller1 x Single phase speed controller by auto-transformer - RMB 1.5 Amp2 x Helios HQW-200/2 - IP553 x Single phase speed controller by auto-transformer - RMB 8.0 Amp1 x SG-200 Fan Guard for the HQW 2003 x TG-K3/NTC10-01 - Duct temperature sensor2 x MWS 1.5 – Transformer Controller With Motor Protection2 x Vent Axia T-Series Controller2 x Transformer (silent) speed controller - RE 3.0 Amp1 x Speed Controller - REB52 x Helios HQW-200/4 - IP551 x TG-R room temperature sensor3 x WS - Reversing Switch from Helios Fans1 x KKS 100 silencer-section - For use with the MUB 100 size Fans.1 x Transformer (silent) speed controller - RE 1.5 Amp1 x REB-CVF 0-10v Controller1 x REE-1 Electronic Speed Controller1 x MV-B Dual Switch for use with Helios HQW plate fans,1 x Vent Axia ACM 100 inline mixed flow duct fan
Reviews
DAOSL Back Draft Damper
DAOSL Back Draft Damper
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Look good, works well, except the shaft of the lanellae cuts...