• Model:SB125-C

Helios SB-125-C SilentBox Acoustic Inline Fan

£ 352.87 (excl. VAT)

£ 423.44 (inc. VAT)

Duty: Up to 440m3/hr

■ Installation:
Installation in any position without restriction – horizontally, vertically or pitched – suitable for intake or extract (Exception: SVS must not be installed with the swing-out motor impeller unit facing upward).

■ Motor
Totally enclosed external rotor motor with ball bearings, impregnated windings insulation class F, designed for continuous operation, maintenance free and interference-free.

■ Casing
Like an internal attenuator. Acoustically lined with abrasive resistant 50 mm thick mineral fibreboard. Four quick release clamps permit easy access to motor scroll and impeller set.
Swing out motor and impeller.
Spigots on intake and exhaust twin-seal rubber gaskets fit standard ducts. All parts manufactured from galvanised sheetsteel.

■ Impeller
With backward curved highquality polymer blades. Inflow via inlet cone.

■ Electrical connection
Terminal box (IP 54) is supplied with a 60 cm long electric cable.

■ Motor protection
With thermal contacts wired in series with the windings. To reset the thermal contacts the main supply must be switched off and on.

■ Speed control
Stepless 0 – 100 % using electronic controller or 5 step transformer controller (see table).

■ Protection class
IP 44

■ Casing
Extremely flat casing in longer design with more than 50 mm thick sound-absorbing mineral wool lining and glass fibre surface. The acoustic box which is placed in front of the fan reduces the sound level for the intake significantly. The sound pressure level is reduced to a smaller extent (see sound levels in the tables above the performance curves).

■ The swing out motor and impeller unit permits maintenance and cleaning without disassembly of system components. The swing-out range must be considered for the inspection flap.

■ Impeller
Energy-saving centrifugal impeller with backward curved blades from high quality polymer. Dynamically balanced for low noise operation.

■ Electrical connection
Terminal box (IP 54) mounted on running cable.

■ Motor protection
With thermal contacts wired in series with the windings which automatically reset after cooling.

■ Speed control
Stepless 0 – 100 % by use of electronic controller or 5 step transformer controller (see table).

■ Protection class
When installed in ducting the fan is rated IP 44.

PDF Files


SB-125 Datasheet

1 x S & P Aluminium Axial Fan Louvre Shutter - PER-CR- 3551 x Elta Wall Cowl SWC35/401 x Elta Wall Cowl SWC25/311 x S & P Aluminium Axial Fan Louvre Shutter - PER-CR- 6301 x Elta Louvre Shutter - 400mm1 x Helios PA10 Speed Potentiometer1 x REU 7amp Speed control - Two Speed Five-Step Transformer - Trickle and Boost1 x Elta - SMT 125 Mixvent Inline Fan - Clearance Stock Line1 x Elta SCP500/4-3AC - IP551 x AL 1120 D6 03 - High Performance Long Cased Axial Fan1 x Helios AV125 External Wall Fan1 x Eco-Loft Positive Input Ventilation System - PIV Loft Mounted -EVL-HAS1 x Lo-Carbon PUREAIR HOME WITH HEATER BOXED ASSY1 x BD7/7 centrifugal M4 0.13Kw1 x PPF4 - Positive Pressure Supply Fan1 x Vent Axia ACM 100 T (Timer Model) inline mixed flow duct fan3 x MTP 10, 10K, Speed control2 x Silent 100 Window Kit - windowS2 x Bathroom Fan -Envirovent- Silent 100 T (Timer Model)2 x Silentub - STUB 1001 x RTRD - Three Phase Speed Controller - 2 Amp3 x Helios TSW 10 Amp Transformer speed controller3 x Helios TSW MCB Amp Transformer speed controller2 x Helios TSW 1.5 Amp Transformer speed controller1 x TEM 035 - 5 Speed Transformer Speed Control1 x Rectangular Airbrick Adaptor2 x Vent Axia ACM 125 T (Timer Model) inline mixed flow duct fan1 x Vent Axia ACM 150 T (Timer Model) inline mixed flow duct fan1 x Remote controller FLEX - for VEKO INT1 x Transformer 5 Speed Controller - ATC1-2TK1 x REU 1.5amp Speed control - Two Speed Five-Step Transformer - Trickle and Boost2 x Helios TSW 7.5 Amp Transformer speed controller2 x Vent Axia ACM 150 inline mixed flow duct fan1 x Transformer 5 Speed Controller - ATC1-10TK1 x TDP-D Pressure Sensor with Display2 x Helios TSW 0.3Amp Compact Transformer speed controller1 x Helios TSW 3 Amp Transformer speed controller1 x MWS 5 – Transformer Controller With Motor Protection Unit2 x Vent Axia ACM 100 inline mixed flow duct fan3 x Vent Axia ACM 125 inline mixed flow duct fan1 x RTRD - Three Phase Speed Controller - 14 Amp1 x MWS 3 – Transformer Controller With Motor Protection1 x Single phase speed controller by auto-transformer - RMB 1.5 Amp2 x Single phase speed controller by auto-transformer - RMB 3.5 Amp1 x 5-Speed Controller for use with Elta SAX Classic Fans2 x TD EVO-100 PF ECOWATT - Environmentally Friendly Energy Efficient Inline Fan2 x Envirovent Silent MV160/100T Mixvent - Timer Model - 100mm - (5 year warranty)1 x CMT-2 200/80 1.1KW - Single inlet centrifugal fan direct driven3 x MWS 1.5 – Transformer Controller With Motor Protection2 x ERR 20/1 Centrifugal inline fan1 x KMBI 180 Connector rectangular/circular to install on the discharge of CMT2 x Speed Controller - REB31 x Speed Controller - REB53 x Transformer (silent) speed controller - RE 3.0 Amp1 x Remote Timer Control - 13511 x Transformer (silent) speed controller - RE 1.5 Amp2 x ERR 31/1 Centrifugal inline fan3 x Helios HQW-200/4 - IP551 x CBS-60 Outlet Flange for CSB/CBT-602 x Electronic extractor fan speed controller - FSC 1.51 x Multileaf Volume Control Dampers -500/500 Rectangular Flanged3 x Commercial Single or 3 phase Fan Reversing Switch - RS11 x REB-CVF 0-10v Controller2 x REE-2 Electronic Speed Controller1 x FFR 355 Filter Cassette3 x SG-200 Fan Guard for the HQW 2001 x RR EC 160 Centrifugal inline fan - Energy Efficient Motor2 x PIR Sensor - PIR21 x Helios PU10 Speed Potentiometer (Flush Mounted)2 x Transformer Speed Control - RTRE- 5.0Amp1 x S&P MULTI-REG EC FAN CONTROLLER / INTERFACE1 x REU 3amp Speed control - Two Speed Five-Step Transformer - Trickle and Boost1 x Transformer 5 Speed Controller - ATC1-4TK1 x Three Phase Transformer controllers - RMT 1.5 Amp1 x RDS 7 Helios Transformer Controller With Motor Protection1 x CS2 Current Switch1 x Trickle And Boost controller for use with the SLP EC Slimpak fans1 x Temperature Fan Speed Controller - ATCP4-FLS2 x Helios HQW-200/2 - IP552 x Elta 3 Amp Electronic single phase speed controller with TK1 x EBM-Papst D2E097-BK76-98 Double inlet1 x Airvent ceiling fan controller1 x RSK400 - Back Draught Shutter2 x FAST-TRACK RANGE 75mm - Click Ring (1 bag of 10)1 x Transformer (silent) speed controller - RE 5.0 Amp1 x Elta Variable Speed Drive IP66 - 2.2KW1 x TD Mixvent 1200/315 EEXEIIT31 x ELM 18 EX Flexible Cuff for ERM 181 x CMT-2 225/090 1.1KW - Single inlet centrifugal fan direct driven1 x Transformer Speed Control - RTRE- 7.0Amp1 x Transformer speed controller - ATC1 - 1.5 Amps1 x Single phase speed controller by auto-transformer - RMB 10.0 Amp1 x Capacitor 2uf for use with the EBM A4E range4 x Helios HQW-630/4 - IP552 x Envirovent 4 Way Remote Control Switch - SWHBKRF-41 x HCFC 1.7 - Reversible Speed Controller for HCF sweep fans1 x Transformer 5 Speed Controller - ATC1-8TK3 x Systemair Save Connect 2.0 Internet Module1 x Isolator Switch - ISOSW2 x DEF-140T Inlet Guard for the CBT-100N2 x TEM 075 - 5 Speed Transformer Speed Control1 x WS - Reversing Switch from Helios Fans3 x TG-K3/NTC10-01 - Duct temperature sensor1 x Speed Controller - REB102 x Multiflow SMB550/4-1AC1 x Speed Controller - REB62 x RDS 11 Helios Transformer Controller With Motor Protection1 x Vent Axia ACM 200 inline mixed flow duct fan2 x Control with reverse - CR3001 x KMBI 225 Connector rectangular/circular to install on the discharge of CMT2 x Insulated extract Plenum 8+12 x Insulated extract Plenum 6+11 x KMBI 315 Connector rectangular/circular to install on the discharge of CMT1 x Vortice Quadro Micro 100 I - Standard Version1 x Skyflow SSR Horizontal Roof Cowl SSR31/35B1 x Elta Variable Speed Drive IP66 - 0.75KW2 x TUNE-R-200-3-M1 - Control Damper1 x Helios HQW-315/4 - IP551 x Vent Axia T-Series Controller1 x Elta 10 Amp Electronic single phase speed controller.1 x RSK355 - Back Draught Shutter1 x Skyflow SSR Horizontal Roof Cowl SSR80B2 x Vent Axia Silent 100T (TIMER)2 x PIR Sensor - PIR41 x CBM 9-9 550w 4P VR (Open Motor)3 x Helios HQW-250/4 - IP551 x TD Mixvent 800/200 EEXEIIT32 x Transformer Speed Control - RTRE- 1.5Amp2 x MTS10- extractor fan 3 step switch1 x Transformer Speed Control - RTRE- 3.0Amp1 x DDMP 12-12 3F 1810W M6A4 DG02 x TUNE-R-100-1-M1 - Control Damper2 x MEV Spider Wireless boost Switch - MEV-SWH-W1 x CBA-60 Inlet Flange for CBT-601 x Elta 2 Amp Electronic single phase speed controller.2 x Elta Variable Speed Drive IP66 - 4.0KW1 x Speed Controller - REB1-N3 x QPTW 250C Acoustic Twin Fan with Controller1 x 220x90mm Insulated Rectangular Horizontal 90° Bend1 x Elta 3 Amp Electronic single phase speed controller.2 x KBA- Inlet Mounting 3552 x Speed Controller - REB2.5-N1 x Mini Diffuser - 100mm1 x 220x90mm Insulated Rectangular Vertical 45° Bend1 x 220x90mm Insulated Rectangular Horizontal 45° Bend1 x FRQ-10A V2 Inverter Speed controller2 x Elta - Room Sensor - Temp/Humid/C021 x Speed Controller - REB11 x Compact SCD450/4-1AC1 x Elta Variable Speed Drive IP66 - 1.5KW2 x Elta 6 Amp Electronic single phase speed controller.1 x ELM 25 EX Flexible Cuff for ERM 251 x TUNE-R-200-3-M4 - Control Damper2 x DEF-CBM-RE-7 - Protection Guard1 x DDMP 10-08 3F 2210W M6A4 DG01 x 7 Day Programmable TIMECLOCK1 x CBM Low Pressure Centrifugal Fan - CBM 10/10 4 Pole 550watt CVR1 x Compact SCD500/4-3AC2 x ENV 100 12v transformer SELV1 x 204x60mm Insulated Rectangular Horizontal 90° Bend1 x 204x60mm Insulated Rectangular Vertical 45° Bend1 x Speed Controller - REB161 x DVG-H 560D4/F400 IE2 - Smoke extract roof unit3 x CBT-100N Centrifugal1 x Round ceiling diffuser 400mm1 x Quietflow SQS100-1ECL - Centrifugal Box Fan1 x TUNE-R-315-3-M4 - Control Damper1 x GXC6EC - High Performance Extract Fan1 x Contactor Interface Station - CI92 x ELM 20 EX Flexible Cuff for ERM 222 x SAVE VSR 300 heat recovery unit1 x Smoke Extract Axial Fan Series AXC 450 (B)1 x Polyurethane Foam Media - 10PPI - Filter Media Sheets - Size: 2000mm x 1000mm1 x RS 80-50 L3 sileo. Centrifugal Rectangular Duct Fan1 x Duct Termination with Mesh - 355mm1 x KBA- inlet mounting flange for CRMT 2251 x 204x60mm Insulated Rectangular Vertical 90° Bend1 x Multi Input Run On Timer - 0 - 20min - CFCU1 x Push Timer Switch - ZA42 x Envirovent G4 Filter - SL-G4/F73 x VTR 300 STD Filter Kit1 x UB47- Universal Insulated Terminal2 x AXC TP - 100mm Plastic Centrifugal Inline Fan1 x KAD-355-F400 Rectangle Flexible Connector1 x CBP-18/18-RC Belt Driven Centrifugal Fans1 x CO2 Room Sensor - CO2-R1 x CMT/4-280-115 2.2KW - Single inlet centrifugal fan direct driven ( LG-90)1 x CMT/4-315/130-4KW - Single inlet centrifugal fan direct driven1 x TUNE-R-200-3-M2 - Control Damper1 x CBM Low Pressure Centrifugal Fan - CBM 10/10 4 Pole 550watt VR1 x ACO8AC/EC AutoChangeover panel1 x Biflow SB400-CON2-3 - High Temperature Bifurcated Fan1 x LFBR 160 G4 - Helios Inline Filter Box - 160mm1 x Helios RR-250-C Centrifugal inline fan1 x Round ceiling diffuser 200mm2 x MV-B Dual Switch for use with Helios HQW plate fans,1 x 220x90mm Insulated Rectangular Vertical 90° Bend1 x AIRVENT speed control - AIR4019612 x Duct Termination with Mesh - 710mm1 x Elta Variable Speed Drive IP66 - 2.2KW (1ph to 3ph)1 x Duct Termination with Mesh - 100mm1 x Vertical Cowl and Fan (Single Phase) - RAV400-4-11 x BDS 800 RA b/d shutter1 x CK-60F Kit1 x KBA- Inlet Mounting 2801 x CSB-60 Centrifugal fan1 x CBM 10/10 - 373watt - 6 Pole1 x TD160-NT Mixvent - 100mm - TD160 Timer1 x Elta 6 Amp Electronic single phase speed controller with TK1 x MTV-1/010 Controller 0 to 10V+1 x HIMF - Mixed Flow Fan 100mm Inline Fan1 x CBM Low Pressure Centrifugal Fan - CBM 12/12 6 Pole 736watt CVR1 x CBM Low Pressure Centrifugal Fan - CBM 9/7 4 Pole 373watt CVR1 x EBM-Papst D3G133-BF05-14 Double inlet1 x TUNE-R-200-3-M0 - Control Damper (NO ACTUATOR)3 x Helios ESA-1 Surface mounted Speed Control 1amp1 x CBA-100 Inlet Flange for CBT-1001 x Singleflow SSDL315-1EC1 x DVV 560D4-XM/F4001 x Helios HQW-355/4 - IP551 x VKS 355-500 Automatic shutter1 x REE-1 Electronic Speed Controller1 x CBT-130N Centrifugal ATEX II 3D ExtD 125*C1 x Flat Roof Terminal -OFT 5 - Asphalt1 x VTR 500 STD Filter Kit1 x Comefri - TLZ 225 R - High Performance Scroll Fan1 x 100mm Round Connector with Damper1 x DA9/9-NT1 x Elta SCP400/4-1AC - IP551 x VEKA INT 2000/15.0-L1 EKO
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