Thyristor Power Controllers

Thyristor Power Controllers, also known as Silicon Controlled Rectifiers (SCR) control the load or power that is supplied by a load. They are operated with an alternating Voltage in either a single-phase or three-phase.


The electronic component has a positive terminal (anode) a gate and a negative terminal (cathode). The gate is the control terminal, the main current flows between the positive and negative terminals.


The power controller can be DIN rail or panel mounted. Choosing which one will depend on the application.


The high-speed Thyristors are suitable for use in ovens, dryers, industrial furnaces, AC power switching, inductive loads such as transformers, resistive load and heating, and ventilation applications. They can also be used in lower power circuits light dimmers.


Depending on the switch loads you may need a heatsink.


Features of the different types of Thyristor power controllers


  • Zero crossing outputs

  • RFI suppression

  • Compensates for mains voltage fluctuations

  • Energy efficient

  • Small footprint

...
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Description Price Power Rating Current Rating Weight Mounting Type Dimensions Fixing Centres Length Width Height Maximum Operating Temperature Minimum Operating Temperature
RS Stock No. 841-924
Mfr. Part No.PSR-25
HK$410.12
Each
units
6kW 25A - Panel Mount 56 x 43 x 21mm 48mm 56mm 43mm 21mm +65 °C -
RS Stock No. 122-1378
Mfr. Part No.PR3-DIN-18kW
HK$1,462.40
Each
units
18kW 25A 950g DIN Rail 110 x 217 x 87mm - 110mm 217mm 87mm +40 °C 0 °C
RS Stock No. 493-077
Mfr. Part No.PR1-DIN-2.5KW
HK$531.86
Each
units
2.5kW 11A - DIN Rail 94 x 75 x 83mm - 94mm 75mm 83mm +65 °C -
RS Stock No. 919-6239
Mfr. Part No.PFC2 50KVR
HK$4,576.58
Each
units
- 75A 3.4kg Panel Mount 250 x 155 x 120mm 140 x 140mm 250mm 155mm 120mm +65 °C -
RS Stock No. 122-1377
Mfr. Part No.PR3-DIN-12kW
HK$1,194.33
Each
units
12kW 16.7A 600g DIN Rail 90 x 217 x 87mm - 90mm 217mm 87mm +40 °C 0 °C
RS Stock No. 841-930
Mfr. Part No.TPSR-25
HK$255.11
Each
units
- - - - - - - - - +65 °C 0 °C
RS Stock No. 232-9353
Mfr. Part No.FC11AL/2
HK$803.53
Each
units
- - - - - - - - - +65 °C -
RS Stock No. 919-6232
Mfr. Part No.PFC2 80KVR
HK$6,565.32
Each
units
- 125A 5.6kg Panel Mount 270 x 250 x 130mm 227 x 200mm 270mm 250mm 130mm +65 °C -
RS Stock No. 457-4202
Mfr. Part No.EVR-25PA
HK$1,233.89
Each
units
- 25A - Screw Mount 87 x 95 x 146mm 75 x 119mm - - - +65 °C -
RS Stock No. 214-3979
Mfr. Part No.ZVS-16DV
HK$419.63
Each
units
3.7kW 16A 105g Screw Mount 58 x 55 x 36mm 10mm - - - +85 °C -20 °C
RS Stock No. 489-3626
Mfr. Part No.ZAX27A
HK$638.95
Each
units
- - - - - - - - - +65 °C 0 °C
RS Stock No. 175-6261
Mfr. Part No.A437426
HK$3,904.64
Each
units
36kW 50A 2.6kg Screw Mount 241 x 152 x 115mm 220 x 130mm 241mm 152mm 130mm +45 °C -
RS Stock No. 489-3547
Mfr. Part No.PR1-E-3KW
HK$1,200.30
Each
units
3kW 12.5A 1.1kg Panel Mount 140 x 99 x 80mm 75 x 120mm 140mm 99mm 80mm +65 °C -
RS Stock No. 489-3553
Mfr. Part No.PR1-E-6KW
HK$1,641.81
Each
units
6kW 25A 1.1kg Panel Mount 140 x 99 x 80mm 75 x 120mm 140mm 99mm 80mm +65 °C -
RS Stock No. 175-6260
Mfr. Part No.A437425
HK$3,787.57
Each
units
30kW 42A 2.6kg Screw Mount 241 x 152 x 115mm 220 x 130mm 241mm 152mm 130mm +45 °C -
RS Stock No. 489-3575
Mfr. Part No.PR3-E-18KW
HK$2,692.91
Each
units
18kW 25A 2.6kg Panel Mount 150 x 240 x 100mm 220 x 130mm 150mm 240mm 100mm +65 °C -
RS Stock No. 195-3517
Mfr. Part No.BVR-25
HK$1,074.78
Each
units
- 25A - Panel Mount - 75 x 119mm - - - +65 °C 0 °C
RS Stock No. 457-4195
Mfr. Part No.EVR-25BF
HK$1,281.42
Each
units
- - - - - - - - - +65 °C -
RS Stock No. 214-3963
Mfr. Part No.QVR-TB-RFI
HK$540.58
Each
units
- - - Panel Mount 78 x 41 x 65mm - 78mm 65mm 41mm +65 °C -
RS Stock No. 175-6258
Mfr. Part No.A407806
HK$1,826.19
Each
units
3kW 13A - Screw Mount 175 x 65 x 195mm - 175mm 65mm 195mm +65 °C -
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