• Model:RDS1

RDS 1 Helios Transformer Controller With Motor Protection

£ 353.42 (excl. VAT)

£ 424.10 (inc. VAT)

Five step speed controller with integrated thermal contact tripping unit for 400 V, 3 ph. alternating current fans.
To connect thermal contacts wired to the terminal box.
A number of fans can be controlled up to the nominal load. If a thermal contact trips all fans will be disconnected.
Step switch and control lamp included.
Restarting via “0” position after interference or power cut off.
PDF Files


Data sheet

2 x CBM 10/10 - 373watt - 6 Pole2 x Elta Turboflow-TF - 630mm - Three phase1 x MUB 062 630D4 Multibox1 x Elta Variable Speed Drive IP66 - 4.0KW3 x Elta Variable Speed Drive IP66 - 5.5KW1 x Biflow SB315-CON4-3 - High Temperature Bifurcated Fan3 x Elta Standard Ambient Flexible Connector - 710mm9 x KBD- outlet mounting flange for CRMT 2253 x Clearflow CFHT Kitchen/High Temp Roof Fan - CFHT400/4-3AC10 x Duct Mounted Filter Box With G2 Paper AND Metal Washable Filter - 150mm5 x Elta SLC800/4B-3AC - IP556 x CBM Low Pressure Centrifugal Fan - CBM 9/9 4 Pole 300watt VR RE3 x Elta Standard Ambient Flexible Connector - 1000mm2 x Access Door for Circular Duct - 400 x 300 - SIZE 4510 x AW 650 D6-2-EX Explosion Proof Axial Fan - ATEX11 x Revolution SLCX ATEX Long Cased Axial Flow Fan SLCX500/4-3 Three Phase17 x Elta SLC560/4A-3AC - IP5510 x AW 550 D6-2-EX Explosion Proof Axial Fan - ATEX9 x KRJ - 250 Inlet Guard5 x Spiral Ducting 1 meter - 450mm5 x CBTR/2-451-4kw2 x Ancillary Pack for SLC-56018 x Soler & Palau - Contra Rotating TCBTx2-560 - IP6510 x Elta SLC400/4-3AC - IP552 x Elta SCP400/4-3AC - IP553 x Chaysol Da 12/12 CMAL - 736 Watt - 6 Pole12 x KBD- outlet mounting flange for CRMT 2508 x FlameProof Plate Axial Fan - Single Phase - 7.5 inches - Eexd IIC T4 -4pole14 x Chaysol Da 10/10 - 550watt - 4 Pole - Flangeless15 x Revolution SLCX ATEX Long Cased Axial Flow Fan SLCX400/2-3 Three Phase5 x FlameProof Plate Axial Fan - Single Phase - 12 inches - Eexd IIC T4 -4pole7 x KD 200 L1 Circular duct fan10 x Soler & Palau TCBB/4-560/H - IP6512 x Soaker Sheet to suit RA630/71015 x DA9/9 Feet1 x Kitchavent 2000 Odour control System - 181525210 x Impeller Side Guard - 400mm13 x Ducting 15 Degree Bend - 100mm9 x Soler & Palau - Contra Rotating TCBTx2-630 - IP653 x Jetflow-HIT Metal inline - 100mm2 x 220x90mm Rectangular to 150mm Round Adaptor12 x Jetflow Silent SJMF-S 150-1EC11 x Lo-Carbon Sentinel Kinetic BH - LEFT5 x Elta SCP630/4-3AC - IP551 x Elta Standard Ambient Flexible Connector - 250mm12 x Ducting 45 Degree Bend - 180mm5 x Chaysol DA 7/99 x Ducting T Piece Equal - 100mm10 x Revolution SLCX ATEX Long Cased Axial Flow Fan SLCX500/2B-3AC Three Phase1 x Nicotra RDH E4-0355 (K)17 x Chaysol da 9-914 x Ducting 90 Degree Bend - 450mm8 x Elta SLC315/4-3AC - IP5512 x Impeller Side Guard - 350mm2 x JETLINE-100 ECOWATT - In Line Centrifugal Duct Fan2 x ELTA - Single Phase Transformer 10amps7 x Atex Motor Protection Switch - U-EK230E EX5 x Etamaster EM 355 EC 01 inline mix-vent fan12 x 110 x 54mm Short Rectangular to Round Adaptor Female8 x 150mm Round Equal T Piece9 x 204x60mm Insulated Rectangular T-Piece3 x Impeller Side Guard - 250mm3 x 125mm Round Connector18 x Clearflow CFHT Kitchen/High Temp Roof Fan - CFHT560/4-3AC2 x Acoustic Box Fans (Inline) - CAB-1007 x Ducting 90 Degree Bend - 80mm11 x Soaker Sheet to suit RA35016 x Elta SCP450/4-3AC - IP5511 x Access Door for Circular Duct - 250 x 150 - SIZE 2514 x Soler & Palau TCBB/4-355/H - IP547 x Contra Rotating TCBBx2-630 Cased Axial - Single Phase - IP65 - Soler & Palau14 x Spiral end cap - 100mm7 x 220 x 90mm Duct to Duct Connector for use with Insulated Thermal Ducting17 x Metal Inline Fan - VENT-100NK1 x KRJ - 160 Inlet Guard for CBB/CBT fans5 x Balance S Diffuser - NO RING - 100mm16 x 110 x 54mm Equal Horizontal T-Piece12 x 2mtr Round Ducting - 100mm1 x Duct Mounted Filter Box With G2 Paper AND Metal Washable Filter - 200mm12 x Ducting 45 Degree Bend - 710mm18 x Impeller Side Guard - 630mm16 x 110 x 54mm Vertical 45 Degree Bend4 x Soaker Sheet to suit RA200/2501 x 100mm Round Connector14 x Bathroom Fan -Envirovent- Silent 100 S (Standard Model)15 x Anti Vibration Mounts - Large - Pack of 4 - AVM115 x 150mm Round Connector14 x Silent 100 CZ Design 12V Ecowatt + CT-12/166 x FlameProof Plate Axial Fan - Single Phase - 7.5 inches - Eexd IIC T4 -2pole10 x Spiral end cap - 250mm10 x SG AW 1000 Guard 6-Pole1 x CBM 12/9 CM/AL 1100W 6PT - Closed Motor8 x G2 duct mounted panel filter 100-16018 x Mounting Feet (Pair) for SLC-450-060B-045016 x Soaker Sheet to suit RA400/4502 x 110 x 54mm Horizontal 90 Degree Bend12 x Jetflow-HIT Metal inline - 250mm1 x Filter Box With F7 Grade Bag Filter - 125mm12 x Elta SPA630/6-1AC - IP5414 x 110 x 54mm Low Profile Plastic Ducting - 1 Meter14 x Digital Room Thermostat - DRT16 x Elta SCP560/4-3AC - IP554 x Ducting T Piece Equal - 80mm18 x Elta SLC1000/6A-3AC - IP5512 x TD160 Mixvent - 100mm - TD160-N Standard13 x Jetflow-HIT Metal inline - 150mm14 x Anti Vibration Mounts - Small - Pack of 4 - AVM215 x Helios SB EC 125 A SilentBox Centrifugal Fan10 x Elta SPA450/4-1AC - IP5415 x Mounting Feet (pair) for SB-CON 4009 x Elta SCP710/4/6-3AC - IP5510 x Revolution SLCX ATEX Long Cased Axial Flow Fan SLCX710/4-3 Three Phase1 x AL 1120 D6 03 - High Performance Long Cased Axial Fan11 x Spiral Ducting 1 meter - 100mm13 x FlameProof Plate Axial Fan - Single Phase - 9 inches - Eexd IIC T4 -4pole9 x Spiral Ducting 1 meter - 250mm5 x Ducting T Piece Equal - 250mm5 x FlameProof Plate Axial Fan - Single Phase - 9 inches - Eexd IIC T4 -2pole4 x Chaysol da 9-7 - V7099336 x Elta SCP250/4-3AC - IP551 x CBM 7/7 4p 300W RE-VR15 x Ducting 90 Degree Bend - 100mm15 x 100mm Round Equal T Piece14 x Spiral end cap - 150mm16 x KITCHAVENT 2000 - 2 Stage - Odour Control Casing5 x Spiral Ducting 1 meter - 80mm16 x MFL-160 G4 Filter Box2 x Elta Standard Ambient Flexible Connector - 630mm1 x DTV200 - Differential Pressure Switch14 x MFA-AR/AXC 315 mounting foot12 x 110 x 54mm Vertical 90 Degree Bend2 x Metal Inline Fan - VENT-355N1 x Heat Resistant In-line Axial Fan - VO-901 x Same Day Shipping Surcharge - City Sprint13 x Soler & Palau TCBB/4-450/H - IP651 x 100mm Round Condensation Trap9 x MUB 042 450EV Sileo Multibox9 x Elta SLC710/4B-3AC - IP5516 x MRAS series fan8 x Elta SCP250-1EC - IP5514 x AXCBF 400D4-32° (0,55 kW)8 x Revolution SLCX ATEX Long Cased Axial Flow Fan SLCX560/4-3 Three Phase11 x Etamaster EM 250 EC 02 (high Power) inline mix-vent fan1 x HV STYLVENT Wall Kit Threaded Rods6 x Helios ELS-VE 1002 x 220x90mm to 204x60mm Rectangular Adapter12 x Ducting 90 Degree Bend - 355mm12 x Spiral end cap - 400mm10 x Jetflow-HIT Metal inline - 125mm15 x Soler & Palau - HCBB/4-450/H -IP65 - BFLOW11 x Ancillary Pack for SLC-45013 x WHR 400 - Water Heater Battery for Circular duct - 400mm17 x CAB-400 ECOWATT Energy Efficient Acoustic Box Fan11 x Elta SPA500/6-1AC - IP548 x Ancillary Pack for SLC-710 for 4 pole Motors1 x Pleated Panel Filter - 660 x 610 x 97mm9 x HVAC Hanger Range - Tecwire - LF1 - 1mtr11 x 100mm Round 90 Degree Bend11 x Spiral Ducting 1 meter - 800mm10 x Impeller Side Guard - 315mm7 x Ducting T Piece Equal - 710mm7 x Revolution SLCX ATEX Long Cased Axial Flow Fan SLCX630/4-3 Three Phase9 x Small Centrifugal Fans CBM/2-133/190 185w9 x Elta SPA350/4-1AC - IP441 x Vent Axia Silhouette 150 XT - TIMER Fan8 x Ancillary Pack for SLC-6309 x Jetflow Silent SJMF-S 250-1EC3 x Egg Crate Grille with Dust panel filter 1 inch- 595x5951 x TRA 1120-1250 - Crossbeam for AL 1120 & 1250 Fans1 x Soaker Sheet to suit RA315/3007 x Metal Inline Fan - VENT-315NK16 x S & P Aluminium Axial Fan Louvre Shutter - PER-CR- 35512 x DPD SATURDAY Delivery Surcharge4 x Inverter VFKB 4512 x 125mm Round Equal T Piece10 x Spiral end cap - 160mm9 x Ducting 90 Degree Bend - 150mm5 x Atex Inline Fan 250mm - ERM25EXE7 x 1mtr Round Ducting - 100mm10 x *VORT HRW 30 MONO Evo HCS - Single Room Heat Recovery Unit,1 x Nicotra RDH E6-0450 (K1)1 x Nicotra RDH E4-0450 (K)7 x AL 400 D2 01 AXIALINE - High Performance Long Cased Axial Fan5 x Elta SLC710/4A-3AC - IP554 x 110 x 54mm Flat Channel Connector10 x Elta SCP710/6/8-3AC - IP551 x FSD-C Motorised Failsafe Single Blade Fire/Smoke Damper with Actuator - 180mm9 x Ductwrap Insulation DW5010 x TD ECOWATT 350/125 Inline Duct Fan - TD-ECOWATT3 x AW 420 D4-2-EX Explosion Proof Axial Fan - ATEX6 x MPC 400 EC T30 - High Temp Acoustic Box Fan5 x 125mm Round 90 Degree Bend8 x CAB-315 ECOWATT Energy Efficient Acoustic Box Fan9 x Acoustic Box Fans (Inline) - CAB-2006 x Ducting T Piece Equal - 630mm1 x Chaysol DA 12/9 NT (V600008)4 x Etamaster EM 250 EC 01 inline mix-vent fan6 x Silent 300 HTP7 x CBMT/Q 315-90 3 HEATER KIT2 x Elta SCP450-1EC - IP554 x 204x60mm Rectangular to 125mm Round Adaptor3 x Roof Axial Fan and Cowl including soaker sheet. - Three Phase -1000mm8 x Helios SB-200-EC SilentBox Acoustic Inline Fan5 x Spiral Ducting 1 meter - 400mm11 x 3-pin Plug and lead for TD Silent Ecowatt12 x Anti Vibration Mounts - Large - KSE-709 x Ducting 90 Degree Bend - 710mm9 x A Duct Mountable - Double Drilled Fixing Flange (PAIR) - 355mm1 x MPS Weather Housing5 x 150mm - 100mm Round Reducer4 x Spiral Ducting 1 meter - 315mm1 x Etaline 315mm - E2 03 (Low Power Version)5 x Flexible PVC Ducting - 220x901 x AL 315 EC 01 AXIALINE - High Performance Long Cased Axial Fan4 x Carriage for Scottish Highlands3 x Ducting T Piece Equal - 150mm4 x Spiral Ducting 3 Meters - 80mm3 x 110 x 54mm Horizontal 45 Degree Bend6 x TD1300 Mixvent - 250mm3 x Elta SLC630/4B-3AC - IP551 x TEM 035 - 5 Speed Transformer Speed Control1 x CBM 9-9 550w 4P VR (Open Motor)1 x CBM Low Pressure Centrifugal Fan - CBM 10/10 4 Pole 550watt VR1 x Biflow SB250-CON4-3 - High Temperature Bifurcated Fan1 x Ancillary Pack for SB-Biflow 315 model1 x Ancillary Pack for SLC-4009 x Elta Standard Ambient Flexible Connector - 315mm1 x Elta SLC500/2B-3AC - IP554 x HQD 355/4 Plate Axial Fan (4-pole)2 x Acoustic Powerbox-450mm & Inverter (Single Phase) - PB4501401 x Spiral end cap - 200mm3 x Helios M1/100 Fan2 x 220x90mm 45 Degree Vertical Bend4 x ORKA HR D150 R8 MVHR unit3 x G4 duct mounted panel filter - 290 x 290 x 47mm1 x Duct Mounted Filter Box - G4 Grade Panel - 355mm1 x Nicotra RDH E4-0250 (K)5 x Chaysol DA 12/12 NT (V600009)1 x Helios SB-125-C SilentBox Acoustic Inline Fan7 x RDS 1 Helios Transformer Controller With Motor Protection9 x Elta 6 Amp Electronic single phase speed controller with TK1 x RUCK MTP 20, 10K, Speed control5 x Soaker Sheet to suit RA10005 x Elta Standard Ambient Flexible Connector - 450mm1 x Elta Variable Speed Drive IP66 - 0.37KW (1ph to 3ph)3 x Etamaster EM 315 EC 01 inline mix-vent fan3 x 204x60mm Elbow Bend with 150mm Fixed Spigot3 x Soler & Palau TCBT/2-315/H-B E70 - IP554 x Ducting T Piece Equal - 180mm1 x 150mm Round 45 Degree Bend1 x Ducting 45 Degree Bend - 80mm4 x CBMF 250-6,0 400V/2 Duct heater1 x CBMT/Q 250-54 1 HEATER KIT2 x Purlin Box 1000 for RAW Cowls1 x Elta SLC500/2A-3AC - IP551 x CBMT/Q 150-15 1 HEATER KIT2 x RTRD - Three Phase Speed Controller - 2 Amp1 x HIMF - Mixed Flow Fan 100mm Inline Fan4 x DEF-1000-AN2 x Raptor SDA350/4-1AC1 x ELTA - Single Phase Transformer 12amps8 x AW 355 D4-2-EX Explosion Proof Axial Fan - ATEX6 x Filter Box With F7 Grade Bag Filter - 200mm4 x Ducting T Piece Equal - 200mm3 x Hydor HPA250/4-12 x FlameProof Plate Axial Fan - Three Phase - 12 inches - Eexd IIC T4 -4pole1 x Nicotra RDH E0-0400 (L)2 x Soler & Palau - HCBB/4-630/H -IP651 x Spiral Ducting 1 meter - 710mm1 x Ducting T Piece Equal - 560mm5 x G4 duct Mounted Panel Filter - 242 x 242 x 47mm1 x Soler & Palau - HCBT/4-1000/L - IP551 x Etamaster EM 150 L EC 01 inline mix-vent fan1 x Airvent ceiling fan controller3 x TD Mixvent 1200/315 EEXEIIT33 x Silent 300 CZ Design PLUS Extractor Fan1 x DEF-CBM-RE-7 - Protection Guard2 x Transformer Speed Control - RTRE- 3.0Amp7 x Duct Termination with Mesh - 100mm3 x CMT/4-315/130-4KW - Single inlet centrifugal fan direct driven8 x TUNE-R-250-2-M4 - Control Damper3 x TUNE-R-560-2-M1 - Control Damper1 x CBM 7/9 4p 300W RE-VR1 x Nicotra ADH E0-0160 (L)2 x AW 710E6 Sileo2 x G2 duct mounted panel filter 630mm1 x Lo-Carbon Silhouette 100 B4 x Elta Standard Ambient Flexible Connector - 500mm1 x 204x60mm 90 Degree Horizontal Bend2 x Three Phase Transformer controllers - RMT 2.5 Amp1 x Binks Bullows - Spray Booth Filter1 x Envirovent G4 Filter - SL-G4/F71 x CFDM-100 Circular Twin Blade Fire Damper1 x Spiral Ducting 1 meter - 560mm1 x Ducting 45 Degree Bend - 250mm1 x A Duct Mountable - Double Drilled Fixing Flange (PAIR) - 250mm1 x 150mm Round 90 Degree Bend1 x CA 250 MD E - Centrifugal Inline Duct Fan - 250mm1 x VENT LK ECOWATT Centrifugal In-Line Duct Fan - 125mm1 x Ducting 45 Degree Bend - 200mm1 x Metal Inline Fan - VENT-200NK1 x Ducting 45 Degree Bend - 100mm1 x Soler & Palau TCBB/4-400/H - IP541 x Nicotra RDH E2-0315 (R)1 x 110 x 54mm Low Profile Plastic Ducting - 2 Meter
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