• Model:ACOAS/AC/EC

ACOAS/ AC/EC Auto Changeover 8Amp

£ 248.06 (excl. VAT)

£ 297.67 (inc. VAT)

S&P Auto-changeover controllers for dedicated control of twin fan units, incorporating a manual fan changeover and visual indication of fan operation/failure.

Model: ACOAS-AC/EC
8A max. at 230V single phase.
Also suitable for EC fans.
Dimensions: 121mm x 178mm x 56mm

PDF Files


Data Sheet

2 x Elta - SMT 125 Mixvent Inline Fan - Clearance Stock Line1 x Soler & Palau VFD-M inverter 16 amp IP541 x KMBI 225 Connector rectangular/circular to install on the discharge of CMT1 x Envirovent Silent MV160/100S Mixvent - 100mm - (5 year warranty)1 x HCFC 1.7 - Reversible Speed Controller for HCF sweep fans1 x Airvent ceiling fan controller1 x MTS10- extractor fan 3 step switch2 x MWS 5 – Transformer Controller With Motor Protection Unit1 x STF1 Oscillating Tower Fan1 x RTRD - Three Phase Speed Controller - 4 Amp1 x Impeller Side Guard - 350mm1 x HPA Heavy Duty Flexible Ducting - HPA300-FD52 x Jetflow-HIT Metal inline - 160mm1 x HIMF - Mixed Flow Fan 125mm Inline Fan1 x D2E-146-AP47-751 x LINEO 250 QUIET1 x Small Centrifugal Fans CBM/2-133/190 185w1 x EBM-Papst D3G133-BF05-14 Double inlet1 x Multiflow SMB550/4-1AC1 x Skyflow SSR Horizontal Roof Cowl SSR31/35B1 x Airvent Ceiling Sweep Fan - 48 inch - 4441231 x Small Centrifugal Fan - CBM/4-160/150-125 W1 x Airvent Ceiling Sweep Fan - 36 inch - 4441221 x D2E146-AP47-331 x Ducting 90 Degree Bend - 200mm1 x EBM-Papst D3G160-BP03-15 Double inlet1 x G2E160−AL19−56 FLUE FAN1 x HQS Bathroom Axial Flow Fan - 125mm1 x Small Centrifugal Fan - CBM/4-180/184-150 W1 x HIMF - Mixed Flow Fan 100mm Inline Fan1 x H14 Hepa Portable Air Purifier - PAP 350 CA H14 with Carbon Filter1 x IRAB/4 315A N 230V50Hz 355/100 VE - In-Line Duct Fans - 51329333001 x D2E146-AP47-C11 x HRB/6-451/20-BMVPN - Special Offer1 x Small Centrifugal Fans CBM/4-133/190 70w1 x Small Centrifugal Fans CBM/2-146/180-300 W1 x DV-ROF-V-315 Roof mounted unit1 x Fresh Air control carbon filter - 125mm1 x Duct Mounted Filter Box - G4 Grade Panel - 200mm1 x S&P RF4C-160/062 K040 SF-1744 (230V50Hz) VE1 x EBM-Papst D2E097-BK76-98 Double inlet1 x DIC 180 T LG (1IC1881) Forward Curved Blade Centrifugal Fan1 x Spiral Ducting 3 Meters - 200mm1 x W2S130-AA03-011 x Soler & Palau - HCBT/4-710/H - IP651 x HCF - Ceiling Fan 1200mm (48 inch)1 x HRB/6-710-30-BQC1 x KD 250 L1 Circular duct fan1 x Soler & Palau - HCBT/6-710/H - IP651 x Soler & Palau - HCBT/4-315/H - IP651 x Hydor HPA315/4-1A1 x HCFB/4-315mm plastic impeller plate fan1 x HRT/4-315-BPN1 x HRB/4-315-APN1 x Jetflow Silent SJMF-S 250-1EC1 x Elta SCP315/4-1AC - IP551 x HCGT/2-315/L-AMXN E7201 x Elta SCP400/4-1AC - IP551 x HCFT/4-710mm plastic impeller plate fan1 x Soler & Palau - HCBT/2-315/H - IP651 x Helios HQW-315/4 - IP551 x Multileaf Volume Control Dampers -500/500 Rectangular Flanged1 x Helios HQW-710/6 - IP551 x Soler & Palau - HCBT/4-800/H - IP551 x Rosenberg DQ 1000-8 plate axial fan1 x HRB/6-710-30-BPN - Sickle Bladed 710mm Single Phase1 x HRT/4-350-BPN E211 x Elta SCP315/4-3AC - IP551 x HQD 710/4/4 Plate Axial Fan (2.2kw)1 x Elta SCP710/4/6-3AC - IP551 x ZAP 710-63 Plate axial fan1 x HRB/2-200-BPN1 x Soler & Palau - HCBT/4-560/H - IP651 x AW Sileo EC Plate Axial Fan - Three Phase - 710mm1 x Soler & Palau - HXBR/4-315/H - IP541 x Elta SPA710/6-3EC1 x PVO 200 (2-POLE) Plate Axial fan - With Shutters1 x Soler & Palau - HXTR/6-800/H - IP541 x EKHR 280-2SW BCMI1 x Soler & palau TCBT/2-250/H - IP441 x EuroSeries (ESP) - Plate Mounted Axial Fans 315-121 x MUB 100 710EC-Poti - Multibox Acoustic Fan1 x Elta SCP710/6/8-3AC - IP551 x Soler & Palau - HXTR/6-710/H - IP54 - BFLOW1 x HCFT/4-355mm plastic impeller plate fan1 x HCBT-4/500-H - Three Phase 400v Only - 56033228001 x HCFT/4-315mm (B-FLOW) plastic impeller plate fan1 x Elta SPA500/4-1AC - IP541 x HD Series Control Damper - 1000mm X 1000mm1 x Soler & Palau TCBB/2-250/H - IP541 x Systemair AW Sileo 710-DS1 x HV Wall Mounted Belt Drive Fan 1000mm 220V to 240V / 50Hz 0.75kW - Single Phase1 x Elta SPA315/4-1AC - IP441 x Duct Termination with Mesh - 560mm1 x Soler & Palau - HCBT/4-800/L-AX - IP552 x Helios HQW-200/2 - IP551 x HRT/4-500/35-BPN1 x RSK355 - Back Draught Shutter1 x Soler & Palau - HCBT/4-355/H - IP651 x Male Ducting Connector - 200mm1 x AW Sileo EC Plate Axial Fan - Three Phase - 1000mm1 x HRB/4-500-25-BPN1 x Soler & Palau TCBB/4-250/H - IP541 x Raptor SDA250/4-1AC1 x Soler & Palau TCBB/6-355/H - IP541 x HRB/4-350-BPN1 x RSK400 - Back Draught Shutter1 x AW 710E6 Sileo1 x HCFT/4-560mm plastic impeller plate fan1 x Etaline 710mm - D4 02 3 Phase1 x Helios HQW-500/6 - IP551 x Elta SCP315-1EC - IP551 x Elta SCP710-1EC1 x PVO 200 (2-POLE) Plate Axial fan1 x Soler & Palau - HXBR-200 ECOWATT - IP441 x HCFB/4-315mm (B-FLOW Supply Air) plastic impeller plate fan1 x Elta SPA710/4/6-3AC - IP541 x Rotorex HXTR Sickle Bladed Plate Axial Fan - 6 Pole - Three Phase - 710mm1 x Helios GigaBox 710mm GBD 710/4 centrifugal1 x Soler & Palau - HXTR/4-355/H - IP541 x Helios HQW-200/4 - IP551 x HCFT/6-1000-HX plastic impeller plate fan1 x Soler & Palau - HCBT/4-800/H-B FLOW ( Supply Air Fan) - IP551 x HRST/6-800/28-BZ-68 (400V50)C1 x HCFB/4-400mm plastic impeller plate fan1 x Soler & Palau - HCBT/6-560/H - IP651 x Soler & Palau - HXTR/4-315/H - IP541 x Elta SCP350/4-3AC - IP551 x Helios HQW-400/4 - IP551 x KD 250 M1 Circular duct fan1 x HRB/4-500-35-BPNC1 x Elta SCP350/4-1AC - IP551 x HD Series Control Damper - 3000mm X 1500mm1 x HRB/4-560-25-APN-C-2VEL.E181 x Helios HRFD 355/2 TK1 x HCFT/4-5001 x Soler & Palau TCBT/6-355/H - IP541 x HRT/4-500/30-BPN1 x HV Wall Mounted Belt Drive Fan 800mm 220V to 240V / 50Hz 0.75kW - Single Phase1 x Helios RR-250-C Centrifugal inline fan1 x RSK450 - Back Draught Shutter1 x HCFT/4-400/H-BPN E20,P 0.25KW1 x HQD 355/4 Plate Axial Fan (4-pole)1 x HRB/6-500-25-APN1 x Hydor HPA400/6-1A1 x STAINLESS STEEL - HV Wall Mounted Belt Drive Fan 1000mm 400V / 50Hz 0.75kW - Three Phase1 x AMD 250/2 - Medium pressure axial fan 3-PH 400 V1 x Elta SPA500/4-1EC - IP541 x SPI-125 C Iris damper1 x Soler & Palau - HCBB/6-355/H - IP651 x Soler & Palau - HXTR/12-800/28-A1 x Helios HQW-500/4 - IP551 x SPI-200 C Iris damper1 x Soler & Palau - HCFT/4-1000/H-X - IP551 x Soler & Palau HXM-200mm1 x HRT/4-500/25-BPN C1 x Elta SCP800/6/8-3AC - IP551 x TXBR-250 Ecowatt1 x HRST/4-710-20 BPN C Rotorex Sickle bladed fan1 x HXP500/4-1 - 4 Pole - Single Phase1 x HRSB/6-710/24-BZ1 x Soler & Palau TCBT/4-250/H - IP441 x Soler & Palau - HCBB/2-315/H - IP651 x Elta SCP500/4-3AC - IP551 x Elta SPA350/4-1AC - IP441 x BDRAX 250-E2 Cased Axial External Rotor Fan1 x Soler & Palau - HCBT/4-315/H - BFLOW1 x Elta SCP500-1EC - IP551 x HV Wall Mounted Belt Drive Fan 1000mm 400V / 50Hz 0.75kW - Three Phase1 x Ducting 15 Degree Bend - 1000mm1 x Ducting 30 Degree Bend - 1000mm1 x Female Ducting Connector - 1000mm1 x Ducting 90 Degree Bend - 1000mm1 x Spiral Ducting 3 Meters - 1000mm1 x Ducting 45 Degree Bend - 1000mm1 x Ducting Y Piece - 1000mm1 x Rosenberg RS 150.3BF1 x KV 160 XL Sileo1 x Male Ducting Connector - 1000mm1 x Ducting Reducer Long - 1000mm to 900mm1 x TD500 Mixvent - 160mm - TD500(5211302400)1 x Duct Split Rings (Pair) -1000mm1 x MV EC 160 Multivent1 x Helios VARW 250/2 High Pressure Duct Fan1 x RS-160L1 x Elta SLC450/2A-3AC - IP551 x Versaline - 150mm1 x HRST/6-800/28-BZ1 x Soler & Palau TCBB/4-355/H - IP541 x HRT/4-355-BPN1 x K 250 L Sileo1 x Soler & Palau - HCBB/2-355/H - IP651 x Soler & Palau - HXBR/4-355/H - IP541 x Soler & Palau - HCBT/6-355/H - IP651 x Helios HQW-560/4 - IP551 x HD Series Control Damper - 2000mm X 1000mm1 x HV Wall Mounted Belt Drive Fan 800mm 400V / 50Hz 0.75kW - Three Phase1 x HRB/6-400-APN1 x EZQ 20/2 B - High Performance Plate Axial Fan1 x JETLINE-250 - In Line Centrifugal Duct Fan1 x Elta SCP560-1EC - IP551 x Rosenberg EQ 350-4.4EC1 x Helios HQW-560/6 - IP551 x Helios VARD 355/2/2-TK1 x ERR 12/1 Centrifugal inline fan1 x Spiral end cap - Female - 1000mm1 x Jetflow-HIT Metal inline - 125mm1 x Elta SCP500/4-1AC - IP551 x HXP500/6-1 - 6 Pole - Single Phase1 x EZR 25/2 B - Long Cased Axial Fan1 x CRBB/4-355/112D PRMI 230v1 x HRB/3-200-BMPN1 x ILHT/6-400 MV - High Temp Rectangle Duct Fan1 x HCFB/4-560-H-A1 x Raptor SDA450/46-3AC1 x *NEW* TD EVO-150 PF ECOWATT - Environmentally Friendly Energy Efficient Inline Fan1 x Vent Axia SABRE Plate Mounted Sickle Fans - VSP355141 x AMD 355/2/2 High Pressure Long Cased Axial Fan1 x PFT/3-450/125D 6-1600 A E00 400V C V5 - Three Phase Plug Fan1 x HCFB/4-500mm plastic impeller plate fan1 x Soler & Palau - HCFT/4-1000/L-X - IP551 x Elta SPA500/4-3EC - IP541 x Ducting 45 Degree Bend - 710mm1 x Soler & Palau - HCBT/4-1000/H-X - IP551 x Elta SPA560/4-1AC - IP541 x Soler & Palau - HCBT/4-1000/L - IP551 x SPI-250 C Iris damper1 x HD-LL Series 600x6001 x Lindab ILC 250 - Inline Tube Fan1 x Duct Fast Clamps - 200mm1 x HRST/6-800/22-BZ-68-J C1 x Elta SLC355-1EC -IE5 Motor- IP551 x Duct Split Rings (Pair) -560mm1 x Etamaster EM 250 EC 01 inline mix-vent fan1 x Helios HQW-400/6 - IP551 x PRIO-160 EC 160mm Inline Mixvent Fan1 x SABRE Cased Axial Fan (Single Phase) -VSC35514A1 x EuroSeries (ESP) - Plate Mounted Axial Fans 560-34-B1 x Raptor SDA350/4-1EC1 x Elta SPA560/46-3AC - IP541 x Jetflow-HIT Metal inline - 150mm1 x Metal Inline Fan - VENT-160NK1 x Curved boot - 560mm1 x Elta SCP400-1EC - IP551 x Motorised Volume Control Damper - 400mm1 x Dynair QCL 200mm (2-Pole)1 x HCFT/4-315mm plastic impeller plate fan1 x Soler & Palau - HCBT/6-1000/H - IP551 x JETLINE-150 - In Line Centrifugal Duct Fan1 x Etaline 250mm - D2 01 3 Phase1 x Elta SPA500/6-1AC - IP541 x Multiflow SMB450/4-1AC1 x HD Series Control Damper - 2300mm X 1000mm1 x Soler & Palau - HCBT/6-800/H - IP651 x HXP560/6-3 - 6 Pole - Three Phase1 x AMD 250/4 - Medium pressure axial fan 3-PH 400 V1 x Silentub - STUB 1001 x Spiral Ducting 1 meter - 100mm1 x Ducting 90 Degree Bend - 100mm1 x Vent Axia ACM 125 T (Timer Model) inline mixed flow duct fan1 x Transformer 5 Speed Controller - ATC1-2TK1 x Temperature Controller - EDTW1 x Vent Axia ACM 150 inline mixed flow duct fan1 x RTRD - Three Phase Speed Controller - 2 Amp1 x CS2 Current Switch1 x Helios TSW 7.5 Amp Transformer speed controller1 x Helios TSW 10 Amp Transformer speed controller1 x MWS-75 Transformer controller with TK -7.5A1 x Three Phase Transformer controllers - RMT 1.5 Amp1 x REU 3amp Speed control - Two Speed Five-Step Transformer - Trickle and Boost1 x REU 1.5amp Speed control - Two Speed Five-Step Transformer - Trickle and Boost1 x RTRD - Three Phase Speed Controller - 14 Amp1 x Helios TSW 1.5 Amp Transformer speed controller1 x Helios TSW MCB Amp Transformer speed controller1 x Rectangular Airbrick Adaptor1 x Trickle And Boost controller for use with the SLP EC Slimpak fans1 x Speed Controller - REB31 x Two Speed Switch - REGUL-21 x Speed Controller - REB51 x Single phase speed controller by auto-transformer - RMB 1.5 Amp
Reviews
DAOSL Back Draft Damper
DAOSL Back Draft Damper
£ 11.49

Look good, works well, except the shaft of the lanellae cuts...