• 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 Speed Controller - REB51 x Elta Variable Speed Drive IP66 - 2.2KW1 x Elta Variable Speed Drive IP66 - 7.5KW1 x FRQ-10A V2 Inverter Speed controller1 x Helios TSD 3.0 Transformer Speed Control (400v)1 x FU 15 40 Frequency Inverter1 x FRQ5-4A V2 Inverter Speed Controller1 x FU 075 52 Frequency Inverter (IP20)1 x Elta Variable Speed Drive IP66 - 4.0KW1 x Frequency converter FU 075 14 - IP661 x FU 22 25 Frequency Inverter1 x Elta Variable Speed Drive IP66 - 0.75KW1 x FU 15 16 Frequency Inverter1 x Elta Variable Speed Drive IP66 - 5.5KW1 x FRQ5-10A Inverter Speed controller1 x Elta Variable Speed Drive IP66 - 1.5KW1 x Frequency converter RUCK - FU 075 201 x Elta Variable Speed Drive IP66 - 2.2KW (1ph to 3ph)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 FU 22 04 Frequency Inverter1 x Frequency converter RUCK - FU 075 211 x FU 075 04 Frequency Inverter (IP20)1 x Helios - FIUK-11KW 24.0A - FREQUENCY INVERTER1 x ELTA - Single Phase Transformer 2amps1 x NKS-D swirl diffuser v-300 x 300mm1 x Balance S Diffuser - NO RING - 125mm1 x Electronic extractor fan speed controller - FSC 1.53 x EC6H - Reversible Group Fan Electronic Controller1 x Circular Ceiling Diffuser - TST 1251 x Circular Ceiling Diffuser - TST 1001 x PCA Diffuser - PCA-3151 x Elta 2 Amp Electronic single phase speed controller.1 x 5-Speed Controller for use with Elta SAX Classic Fans1 x Circular Ceiling Diffuser - TST 2001 x Curved Blade Grille 600x600 (2way blow)2 x Elta 3 Amp Electronic single phase speed controller with TK1 x Round ceiling diffuser 400mm1 x ELTA - Single Phase Transformer 8amps1 x Airvent ceiling fan controller1 x ELTA - Single Phase Transformer 12amps1 x Elta 3 Amp Electronic single phase speed controller.1 x EFSC-3N- Single Phase Speed Control1 x JSR 200 Painted RAL50183 x Elta 6 Amp Electronic single phase speed controller with TK1 x Circular Ceiling Diffuser - TST 1601 x ELTA - Single Phase Transformer 4amps1 x AIRVENT speed control - AIR4019613 x COM-31 x Round ceiling diffuser 200mm1 x EFSC-6N- Single Phase Speed Control1 x Round ceiling diffuser 300mm1 x Elta 6 Amp Electronic single phase speed controller.1 x Round ceiling diffuser 250mm1 x PCA Diffuser - PCA-2501 x ELTA - Single Phase Transformer 10amps1 x Round ceiling diffuser 350mm3 x Vent Axia ACM 125 T (Timer Model) inline mixed flow duct fan3 x Multi Input Run On Timer - 0 - 20min - CFCU2 x HCFC 1.7 - Reversible Speed Controller for HCF sweep fans2 x Vent Axia ACM 150 inline mixed flow duct fan2 x Push Timer Switch - ZA43 x Three Phase Transformer controllers - RMT 1.5 Amp2 x Vent Axia ACM 100 inline mixed flow duct fan1 x Run On Timer - 5s - 4hrs - RT5A1 x Remote Timer Control - 13512 x CS2 Current Switch1 x Helios ZNE Electronic Fan Overrun Timer1 x Single phase speed controller by auto-transformer - RMB 1.5 Amp3 x Isolator Switch - ISOSW2 x Envirovent Silent MV160/100T Mixvent - Timer Model - 100mm - (5 year warranty)2 x Envirovent 4 Way Remote Control Switch - SWHBKRF-42 x Remote controller FLEX - for VEKO INT1 x Transformer 5 Speed Controller - ATC1-8TK2 x Transformer 5 Speed Controller - ATC1-10TK5 x Vent Axia ACM 125 inline mixed flow duct fan1 x MWS 3 – Transformer Controller With Motor Protection2 x 7 Day Programmable TIMECLOCK2 x Temperature Fan Speed Controller - ATCP4-WMS2 x Helios TSW 7.5 Amp Transformer speed controller2 x Helios TSW 0.3Amp Compact Transformer speed controller2 x Helios TSW 3 Amp Transformer speed controller3 x Helios TSW MCB Amp Transformer speed controller2 x Helios TSW 1.5 Amp Transformer speed controller2 x MV-B Dual Switch for use with Helios HQW plate fans,3 x Single phase speed controller by auto-transformer - RMB 8.0 Amp2 x Transformer 5 Speed Controller - ATC1-12TK2 x Systemair Save Connect 2.0 Internet Module1 x DEF-140T Inlet Guard for the CBT-100N1 x BEAS-control module2 x Helios HQW-200/2 - IP553 x Single phase speed controller by auto-transformer - RMB 3.5 Amp3 x MWS 1.5 – Transformer Controller With Motor Protection2 x Envirovent G4 Filter - SL-G4/F71 x CPTA-S PIR SENSOR Volt Free Contacts - Surface Mounted2 x WS - Reversing Switch from Helios Fans1 x RDS 11 Helios Transformer Controller With Motor Protection3 x Helios TSW 10 Amp Transformer speed controller2 x Helios HQW-630/4 - IP551 x TG-K3/NTC10-01 - Duct temperature sensor1 x CBS-60 Outlet Flange for CSB/CBT-601 x S & P Aluminium Axial Fan Louvre Shutter - PER-CR- 6301 x Vent Axia T-Series Controller
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