• Model:RTRDU2.0

RTRDU 3 Phase Trickle & Boost 5 Step Speed Controller - 2 Amps

£ 778.28 (excl. VAT)

£ 933.94 (inc. VAT)


A three-phase transformer which controls the fan speed by altering the supply voltage in five fixed steps. The steps are adjusted manually, using the control knobs on the front of the unit.

There are two control knobs: one for higher fan speeds and one for lower fan speeds. Switching between the high and low settings is done by an external change-over contact, which could be a thermostat or a timer.

An integral motor protection device is included which cuts the supply voltage to the fan if the thermal contact in the fan motor is activated. The unit is reset by turning the switch to 0 for 10 seconds, after which the unit restarts.

Input terminals for room thermostat RT cuts supply voltage to the fan when the circuit is broken. Terminals are linked before delivery. The indicator lamp on the front shows when the transformer is in operation.

The transformer has 230V terminals for operating dampers, electric heater batteries or other external equipment. These terminals have no current when the transformer switch is in position 0, or when the TK or RT input is open. Supply voltage: 400V 50/60Hz.
PDF Files


Data sheet

1 x Commercial Single or 3 phase Fan Reversing Switch - RS11 x 110 x 54mm Horizontal 90 Degree Bend1 x Elta Cased Axial Flange - 630mm1 x Synthetic Air Filter Media - 6mm x 2mtr x 5mtr Roll1 x 125mm - 150mm Round Reducer1 x EBB-250 T DESIGN Centrifugal Extractor Fan1 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 Elta Variable Speed Drive IP66 - 2.2KW1 x FU 22 25 Frequency Inverter1 x FU 15 40 Frequency Inverter1 x Frequency converter FU 075 14 - IP661 x Elta Variable Speed Drive IP66 - 0.75KW1 x FU 075 52 Frequency Inverter (IP20)1 x Elta Variable Speed Drive IP66 - 1.5KW1 x Elta Variable Speed Drive IP66 - 4.0KW1 x Elta 10 Amp Electronic single phase speed controller.1 x Frequency converter RUCK - FU 075 201 x NKS-D swirl diffuser v-300 x 300mm1 x ELTA - Three Phase Transformer 10amps1 x FU 15 16 Frequency Inverter1 x Frequency converter RUCK - FU 075 211 x FU 22 04 Frequency Inverter1 x ATEX rated 3-phase Speed Control - R-DK4 KT (EX)1 x Elta Variable Speed Drive IP66 - 2.2KW (1ph to 3ph)1 x ELTA - Three Phase Transformer 3amps1 x Circular Ceiling Diffuser - TST 1251 x PCA Diffuser - PCA-3151 x FU 075 04 Frequency Inverter (IP20)1 x Circular Ceiling Diffuser - TST 1001 x Helios - FIUK-11KW 24.0A - FREQUENCY INVERTER1 x Circular Ceiling Diffuser - TST 2001 x ELTA - Single Phase Transformer 2amps1 x Balance S Diffuser - NO RING - 125mm1 x JSR 200 Painted RAL50181 x Curved Blade Grille 600x600 (2way blow)1 x Electronic extractor fan speed controller - FSC 1.51 x Circular Ceiling Diffuser - TST 1601 x Balance S Diffuser - NO RING - 100mm1 x EC6H - Reversible Group Fan Electronic Controller1 x 5-Speed Controller for use with Elta SAX Classic Fans1 x EFSC-3N- Single Phase Speed Control1 x Round ceiling diffuser 200mm1 x Elta 3 Amp Electronic single phase speed controller with TK1 x Round ceiling diffuser 300mm1 x ELTA - Single Phase Transformer 16amps1 x Elta 2 Amp Electronic single phase speed controller.1 x Elta 6 Amp Electronic single phase speed controller with TK1 x ELTA - Single Phase Transformer 8amps1 x Elta 3 Amp Electronic single phase speed controller.1 x Round ceiling diffuser 350mm1 x Round ceiling diffuser 250mm1 x ELTA - Single Phase Transformer 12amps1 x ELTA - Single Phase Transformer 4amps1 x AIRVENT speed control - AIR4019611 x Elta 6 Amp Electronic single phase speed controller.1 x EFSC-6N- Single Phase Speed Control1 x COM-31 x Remote Timer Control - 13511 x PCA Diffuser - PCA-2501 x ELTA - Single Phase Transformer 10amps1 x Run On Timer - 5s - 4hrs - RT5A1 x Helios ZNE Electronic Fan Overrun Timer2 x Multi Input Run On Timer - 0 - 20min - CFCU2 x Push Timer Switch - ZA41 x Time Delay Unit - DT20B1 x REU 7amp Speed control - Two Speed Five-Step Transformer - Trickle and Boost1 x 7 Day Programmable TIMECLOCK1 x TTC-2000 Three phase electric heater controller1 x Vent Axia ACM 100 T (Timer Model) inline mixed flow duct fan1 x Remote controller FLEX - for VEKO INT1 x Helios TSW 7.5 Amp Transformer speed controller1 x HCFC 1.7 - Reversible Speed Controller for HCF sweep fans1 x RDS 11 Helios Transformer Controller With Motor Protection
Reviews
Soler & Palau TCBB/4-450/H - IP65
Soler & Palau TCBB/4-450/H - IP65
£ 505.88

Delivered super promptly yesterday, next day. Only just fitt...