Thyristors (828 items)

25A Burst Firing Module, FC11BL2. Single phase Burst Firing modules which provide trigger pulses coincident with the mains polarity crossover, ensuring complete sine waves are passed through the re...

Phase Angle ; Burst Firing Three-Phase, FC36M. A microprocessor based thyristor firing control PCB with both Phase Angle and Burst Firing options. Suitable for ac/dc resistive/inductive loads, via ...

Manual Phase Angle Triac Trigger Module, MAT. Variable phase angle trigger module for ac loads. Inclusive manual control potentiometer and minimum setpoint trimmer Industrial panel mounted enclosur...

25A Phase Angle Power Controller, PAC2. A single phase, compact ac phase angle power controller capable of regulating loads up to 6kW. Controls the amount of power to the load via a remote 0-5V pro...

Phase Angle Triac Firing Circuit - United Automation. Thick film hybrid firing circuit Gives phase control of most loads in the range 1 to 100 amps (depending on choice of triac, heat sink and pote...

2.5kW Burst Fire HVAC Power Regulator. 2.5KW compact (module only) Integral heat sink for maximum power capability Single Phase 230/240Vac Input Voltage 0 to 10Vdc Control Input Solid State Control...

Single-phase units do not include failsafe alarms. 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-firin...

Single-phase units do not include failsafe alarms. 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-firin...

PR3-DIN 3-phase Burst-fire Power Controllers. Thyristor power control modules from United Automation which can provide seamless control of three phase electric heating loads from a suitable BMS or ...

PR3-DIN 3-phase Burst-fire Power Controllers. Thyristor power control modules from United Automation which can provide seamless control of three phase electric heating loads from a suitable BMS or ...

Single-phase units do not include failsafe alarms. 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-firin...

Single-phase units do not include failsafe alarms. 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-firin...

Single-phase units do not include failsafe alarms. 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-firin...

Select for use a plastic housed potentiometer with a plastic shaft. 25A High Power, PSR-25 and TPSR-25 with Thermistor option. Full wave ac phase-angle controller capable of regulating loads up to ...

10A Variable ; Switched 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 r...