• Model:RTRD-2.0

RTRD - Three Phase Speed Controller - 2 Amp

£ 342.99 (excl. VAT)

£ 411.59 (inc. VAT)


Manual five-step transformer (with motor protection) - RTRD - Three Phase Speed Controller - 2 Amp

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 knob on the front of the unit.

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 knob to 0 for 10 seconds, after which the unit restarts.

Input terminals for room thermostat RT and frost protection thermostat FS cut supply voltage to the fan when the circuit is broken. When the frost protection thermostat FS breaks the circuit, it is reset in the same way as when the TK is triggered. Terminals are linked before delivery. The indicator lamp on the front shows that 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 knob is in position 0, or when the TK or RT input is open. Supply voltage: 400V 50/60Hz.
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RTRD 2 Speed Controller

1 x Frequency converter FU 075 14 - IP661 x Elta Variable Speed Drive IP66 - 0.75KW1 x Frequency converter RUCK - FU 075 201 x Elta Variable Speed Drive IP66 - 4.0KW1 x Elta Variable Speed Drive IP66 - 5.5KW1 x FRQ5-10A Inverter Speed controller1 x Elta Variable Speed Drive IP66 - 2.2KW (1ph to 3ph)1 x ELTA - Three Phase Transformer 10amps1 x FU 075 04 Frequency Inverter (IP20)1 x Frequency converter RUCK - FU 075 211 x FU 22 04 Frequency Inverter1 x Helios - FIUK-11KW 24.0A - FREQUENCY INVERTER1 x Circular Ceiling Diffuser - TST 2001 x Curved Blade Grille 600x600 (2way blow)1 x Round ceiling diffuser 400mm1 x Elta 2 Amp Electronic single phase speed controller.1 x Elta Variable Speed Drive IP66 - 2.2KW1 x Elta Variable Speed Drive IP66 - 7.5KW1 x FU 15 40 Frequency Inverter1 x Helios TSD 3.0 Transformer Speed Control (400v)1 x FRQ-10A V2 Inverter Speed controller1 x FRQ5-4A V2 Inverter Speed Controller1 x NKS-D swirl diffuser v-300 x 300mm2 x Remote controller FLEX - for VEKO INT2 x HCFC 1.7 - Reversible Speed Controller for HCF sweep fans2 x Vent Axia ACM 150 inline mixed flow duct fan1 x Circular Ceiling Diffuser - TST 1251 x Electronic extractor fan speed controller - FSC 1.51 x PCA Diffuser - PCA-3151 x Envirovent 4 Way Remote Control Switch - SWHBKRF-42 x Vent Axia ACM 125 T (Timer Model) inline mixed flow duct fan1 x ATEX rated 3-phase Speed Control - R-DK4 KT (EX)2 x Helios TSW 7.5 Amp Transformer speed controller2 x Transformer 5 Speed Controller - ATC1-8TK1 x JSR 200 Painted RAL50181 x Elta 3 Amp Electronic single phase speed controller with TK3 x Vent Axia ACM 100 T (Timer Model) inline mixed flow duct fan1 x Elta 10 Amp Electronic single phase speed controller.1 x ELTA - Three Phase Transformer 3amps1 x Balance S Diffuser - NO RING - 125mm2 x Helios TSW 0.3Amp Compact Transformer speed controller1 x ELTA - Single Phase Transformer 16amps1 x EFSC-3N- Single Phase Speed Control1 x Circular Ceiling Diffuser - TST 1601 x Elta 6 Amp Electronic single phase speed controller with TK1 x ELTA - Single Phase Transformer 8amps2 x Transformer 5 Speed Controller - ATC1-4TK2 x Transformer 5 Speed Controller - ATC1-10TK1 x EC6H - Reversible Group Fan Electronic Controller1 x Elta 3 Amp Electronic single phase speed controller.1 x Balance S Diffuser - NO RING - 100mm1 x Multi Input Run On Timer - 0 - 20min - CFCU1 x Airvent ceiling fan controller2 x Helios TSW 3 Amp Transformer speed controller1 x ELTA - Single Phase Transformer 4amps1 x Elta Variable Speed Drive IP66 - 0.37KW (1ph to 3ph)1 x AIRVENT speed control - AIR4019611 x Round ceiling diffuser 200mm1 x Temperature Fan Speed Controller - ATCP4-WMS1 x EFSC-6N- Single Phase Speed Control1 x Push Timer Switch - ZA41 x Vent Axia ACM 125 inline mixed flow duct fan1 x Elta 6 Amp Electronic single phase speed controller.1 x Round ceiling diffuser 250mm1 x Round ceiling diffuser 350mm1 x COM-31 x PCA Diffuser - PCA-2502 x Vent Axia ACM 100 inline mixed flow duct fan1 x ELTA - Single Phase Transformer 10amps1 x Helios TSW MCB Amp Transformer speed controller
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