• Model:STDL250-1EC

Twinflow STDL250-1EC

£ 1,691.02 (excl. VAT)

£ 2,029.22 (inc. VAT)

Twinflow STDL fans are suitable for external mounting. The range incorporates advanced backward curved impellers.

Standard size 250mm
Air volume flow rates up to 0.336 m3/s
Static pressures up to 6487 Pa
Suitable for operating temperatures up to +60℃
Redesigned casing to improve airflow and reduce specific fan powers
Auto Changeover Panel Included
Acoustically lined internally to reduce breakout noise levels
Low Specific Fan Powers
Configurable with optional demand control (DCV) for easy connection to sensors and spigot type
Available in EC

Options
Circular Spigot - (Standard)
Circular Spigot and DCV - (DCV)
Rectangular Spigot - (R)
Rectangular Spigot & DCV - (RDCV)

PDF Files


STDL Data Sheet

Available Options

1 x Helios VDS-7 Three Phase Transformer 5-Step1 x Round ceiling diffuser 400mm1 x Balance S Diffuser - NO RING - 125mm1 x ELTA - Single Phase Transformer 2amps2 x Electronic extractor fan speed controller - FSC 1.51 x JSR 200 Painted RAL50181 x Curved Blade Grille 600x600 (2way blow)1 x Versio Square Ceiling Diffusers - RS141 x Circular Ceiling Diffuser - TST 1602 x EC6H - Reversible Group Fan Electronic Controller1 x Balance S Diffuser - NO RING - 100mm1 x Round ceiling diffuser 300mm1 x Elta 3 Amp Electronic single phase speed controller with TK1 x ELTA - Single Phase Transformer 16amps2 x Elta 6 Amp Electronic single phase speed controller with TK1 x EFSC-3N- Single Phase Speed Control1 x Round ceiling diffuser 200mm1 x Round ceiling diffuser 250mm1 x ELTA - Single Phase Transformer 8amps1 x Elta 3 Amp Electronic single phase speed controller.1 x ELTA - Single Phase Transformer 12amps2 x Airvent ceiling fan controller1 x Round ceiling diffuser 350mm1 x Elta Variable Speed Drive IP66 - 0.37KW (1ph to 3ph)1 x AIRVENT speed control - AIR4019611 x EFSC-6N- Single Phase Speed Control1 x Elta 6 Amp Electronic single phase speed controller.4 x COM-31 x Elta Variable Speed Drive IP66 - 0.75KW (1ph to 3ph)1 x PCA Diffuser - PCA-2501 x Elta Variable Speed Drive IP66 - 1.5KW (1ph to 3ph)1 x ELTA - Single Phase Transformer 10amps3 x HCFC 1.7 - Reversible Speed Controller for HCF sweep fans1 x Elta Variable Speed Drive IP66 - 7.5KW1 x FRQ5-4A V2 Inverter Speed Controller1 x Helios TSD 3.0 Transformer Speed Control (400v)1 x FRQ-10A V2 Inverter Speed controller1 x Helios TSD 5.5 Transformer Speed Control (400v)1 x FU 15 40 Frequency Inverter1 x FU 22 25 Frequency Inverter1 x FU 075 52 Frequency Inverter (IP20)1 x Elta Variable Speed Drive IP66 - 0.75KW1 x Frequency converter FU 075 14 - IP661 x Elta Variable Speed Drive IP66 - 5.5KW1 x ATEX rated 3-phase Speed Control - R-DK4 KT (EX)1 x FRQ5-10A Inverter Speed controller1 x Elta Variable Speed Drive IP66 - 2.2KW (1ph to 3ph)1 x ELTA - Three Phase Transformer 3amps1 x ELTA - Three Phase Transformer 10amps1 x FU 22 04 Frequency Inverter1 x NKS-D swirl diffuser v-300 x 300mm1 x Frequency converter RUCK - FU 075 212 x Remote Timer Control - 13511 x Run On Timer - 5s - 4hrs - RT5A1 x Helios ZNE Electronic Fan Overrun Timer2 x Push Timer Switch - ZA42 x Multi Input Run On Timer - 0 - 20min - CFCU1 x Time Delay Unit - DT20B1 x 7 Day Programmable TIMECLOCK1 x Frequency converter RUCK - FU 075 201 x Circular Ceiling Diffuser - TST 2002 x Vent Axia ACM 150 inline mixed flow duct fan2 x Three Phase Transformer controllers - RMT 1.5 Amp2 x Envirovent Silent MV160/100T Mixvent - Timer Model - 100mm - (5 year warranty)4 x MWS 1.5 – Transformer Controller With Motor Protection1 x BEAS-control module1 x S & P Aluminium Axial Fan Louvre Shutter - PER-CR- 5005 x Vent Axia ACM 125 T (Timer Model) inline mixed flow duct fan1 x Elta Variable Speed Drive IP66 - 4.0KW1 x Elta Variable Speed Drive IP66 - 1.5KW1 x Elta 10 Amp Electronic single phase speed controller.1 x FU 075 04 Frequency Inverter (IP20)1 x Circular Ceiling Diffuser - TST 1251 x PCA Diffuser - PCA-3151 x Helios - FIUK-11KW 24.0A - FREQUENCY INVERTER2 x S&P MULTI-REG EC FAN CONTROLLER / INTERFACE1 x Circular Ceiling Diffuser - TST 1001 x Transformer 5 Speed Controller - ATC1-12TK2 x Vent Axia ACM 100 inline mixed flow duct fan3 x Single phase speed controller by auto-transformer - RMB 3.5 Amp3 x Single phase speed controller by auto-transformer - RMB 8.0 Amp1 x S & P Aluminium Axial Fan Louvre Shutter - PER-CR- 6303 x Vent Axia ACM 100 T (Timer Model) inline mixed flow duct fan2 x Helios TSW 3 Amp Transformer speed controller5 x Vent Axia ACM 125 inline mixed flow duct fan4 x Single phase speed controller by auto-transformer - RMB 1.5 Amp2 x Isolator Switch - ISOSW2 x MV-B Dual Switch for use with Helios HQW plate fans,1 x CS2 Current Switch1 x MWS 3 – Transformer Controller With Motor Protection5 x WS - Reversing Switch from Helios Fans1 x Transformer Speed Control - RTRE- 12.0Amp2 x Vent Axia T-Series Controller1 x Two Speed Switch - REGUL-21 x REE-1 Electronic Speed Controller1 x Remote controller FLEX - for VEKO INT1 x Helios TSW 7.5 Amp Transformer speed controller1 x Helios TSW 0.3Amp Compact Transformer speed controller1 x DEF-140T Inlet Guard for the CBT-100N1 x TG-K3/NTC10-01 - Duct temperature sensor1 x Transformer (silent) speed controller - RE 3.0 Amp1 x Helios HQW-200/4 - IP552 x Systemair Save Connect 2.0 Internet Module1 x KMBI 225 Connector rectangular/circular to install on the discharge of CMT
Reviews
Transformer (silent) speed controller - RE 1.5 Amp
Transformer (silent) speed controller - RE 1.5 Amp
£ 132.29

Incredible, Perfect, Silent and Fast delivery ! Thanks "Just...