PRx-E series 1 & 3-Phase HVAC Controllers The PRx-E thyristor stack units provide full seamless control of 1/3-phase resistive loads. Burst-firing control stack uses fast pulse zero-voltage switching technology to minimise flicker and RFI problemsIntegral fusing, temperature trip, automatic reset and heatsinkHoused in bespoke enclosures with easy access to internal signal and power terminals to minimise installation timeApplications: Heater batteries, Air curtains, Ovens, Furnaces, Hotplates, Dryers, HVACRS Product Codes489-3547 PR1-E-3KW Single-phase 3kW489-3553 PR1-E-6KW Single-phase 6kW919-6245 PR3-E-6KW Three-phase 6kW489-3569 PR3-E-12KW Three-phase 12kW489-3575 PR3-E-18KW Three-phase 18kW

The United Automation Infresco T series 6kW push button timer. The Infresco-T 6kW is part of a family of controllers designed to provide energy saving when used with quartz infrared halogen lamps or other heating and lighting products. The microcontroller-based unit incorporates zero-voltage switching and a soft-start function to eliminate the initial high inrush current of lamps. provides heat for a pre-determined time periodControl up to 4 x 1500W lampsLow-costSoft-start/zero-voltage switch-off

The United Automation half wave vibrator controller. This single phase half wave controller with integral high current device, has been designed to operate on either 110V or 240Vac supplies. Its simple 2 wire connection plus Earth allows for easy installations. The output is set by use of a 25K potentiometer with a cermet mounted on the PCB for minimum settings where required. Solid state reliabilityDual voltageSimple wiringAdjustable minimum outputEnergy Saving

10A Variable ac Regulator with RFI Suppression, QVR/RFI and QLC/RFI QVR/RFI: Variable min to max operation,QLC/RFI: Switched variable potentiometer Compact, robust, phase angle power regulators with integral RFI filter networks for controlling single phase mains driven loadsSuitable for quartz lamps, transformers or conventional resistive heating elements in single, series or parallel configuration

The United Automation Infresco S series 6kW remote switch soft start. The ’S’ model features a soft start facility that will reduce high inrush currents to protect the heater elements and easy installation. Extends lamp LifeIdeal for controlling up to 4 x 1.5kW lampsSoft-start/zero-voltage switch-offLow-costEasy to install

The United Automation DMPR3 series three phase dual mode power regulator. The complete enclosed three phase Dual Mode Power Regulator (DMPR3) Thyristor assembly provides control of inductive/resistive loads of up to 54kW at 415V. It is suitable for furnaces, ovens, dryers, air curtains, hot plates and many other heating and ventilation applications. Phase-angle, burst-fire control or a combination of bothFrequency tracking 30-80HzIntegrated high-speed fusesAdjustable ramp control 0 to 30 seconds

The UNITED AUTOMATION LIMITED infresco 3kW manual phase-angle energy regulator, is a compact, low-cost, enclosed unit for controlling the power from 0-100% of a 230VAC infrared heater. The controller is housed in a metal double-gang, wall mounted patress enclosure & has integral RFI suppression. Integral RFI network for EMC complianceOn/Off switch, when turned fully anti clockwisePlug-in power connector block.Wall mountingRugged and compact

Burst Firing Trigger Module, FC11BL Single phase burst firing modules for driving triacs and thyristors with resistive loads. Fires triacs & thyristors up to 440VRFI free, zero voltage switchingSelectable soft-start functionOpto-coupled outputMONO-LINK® gate-to-gate firingVoltage control or 4-20mA current loopAuxiliary 5Vdc output for manual controlLED output power indicator

The United Automation half wave vibrator controller. This single phase half wave controller with integral 10A device has been designed to operate on either 110V or 240V inputs. Its simple 2 wire connections plus Earth allows for easy installations. The output is set by use of a 25K potentiometer with a cermet mounted on the PCB for minimum settings when required. Solid state reliabilityDual voltageSimple wiringAdjustable minimum outputEnergy Saving

Universal Phase Angle Trigger Module, AFM-11 Phase angle trigger module for resistive & inductive loads. Single phase or phase-to-phase useFires triacs & thyristors up to 480VResistive & inductive, ac/dc loadsAdjustable soft-startAdjustable current limitVoltage control or 4-20mA current loopPulse train firing via remote power transformerLow power consumptionStatus indication

Manual Phase Angle Triac Trigger Module, MAT Variable phase angle trigger module for ac loads. Inclusive manual control potentiometer and minimum setpoint trimmerIndustrial panel mounted enclosureTamperproofSingle-hole panel mountingNo heatsink requiredSuitable for most ac resistive or inductive loads

PRx-E series 1 & 3-Phase HVAC Controllers The PRx-E thyristor stack units provide full seamless control of 1/3-phase resistive loads. Burst-firing control stack uses fast pulse zero-voltage switching technology to minimise flicker and RFI problemsIntegral fusing, temperature trip, automatic reset and heatsinkHoused in bespoke enclosures with easy access to internal signal and power terminals to minimise installation timeApplications: Heater batteries, Air curtains, Ovens, Furnaces, Hotplates, Dryers, HVACRS Product Codes489-3547 PR1-E-3KW Single-phase 3kW489-3553 PR1-E-6KW Single-phase 6kW919-6245 PR3-E-6KW Three-phase 6kW489-3569 PR3-E-12KW Three-phase 12kW489-3575 PR3-E-18KW Three-phase 18kW