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PAMEL PRD1 – plug-in 230 V power controller, up to 5.5 kW
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PAMEL PRD1 is a plug-in 230 V power controller designed mainly for heaters and other loads whose power can be adjusted as a percentage. The setting is shown on a clear LED display and changed with two buttons. PRD1 offers three start modes, Pmin/Pmax limits, a configurable power adjustment step and memory of the last setting after a power outage. The maximum controlled power is up to 5.5 kW.
Product code: 19EB-18020
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PRD1 – set an exact power value, not a knob position
Plug-in power controller for everyday, repeatable operation. Two buttons and an LED display let you set a percentage value without guessing the potentiometer position. The controller remembers the last setting, and the start method can be adapted to the load.
Repeatable control instead of setting it “by eye”
The current average power setting is displayed as a percentage. This makes it easy to return to a proven setting and consciously compare successive stages of operation.
Clear value
The LED display shows the current setting. For example, “01” means 1% power, while “50” means 50% of the maximum power of the connected load.
Two buttons
Power is changed directly from the device panel. No additional potentiometer or approximate scale is needed.
Setting memory
After a power outage, PRD1 remembers the last power value, making it easier to resume operation with the previously selected setting.
Three ways to start
The device start can be matched to the characteristics of the load.
Start at the set power
The selected value immediately. After switching on, the controller immediately goes to the power value set by the user.
Soft start
0% → setting. Power rises smoothly from zero to the selected value within at most a few seconds.
Full-power start
100% → setting. The controller starts at full power and then drops to the set value. This mode is intended, among other things, for suitable fans and pumps that require higher starting torque.
Set the range you actually use
PRD1 lets you configure the minimum and maximum available power and the step by which the setting changes when a button is pressed.
- Pmin limits the lowest available value,
- Pmax limits the highest available value,
- adjustment step can be matched to the application – e.g. 1%, 5% or another value,
- a small step makes precise adjustment easier, while a larger one speeds up changes.
The controller is supplied ready to use. Changing configuration settings is optional.
For heaters and selected speed-controlled devices
PRD1 is intended primarily for controlling the power of heating elements. The manual also permits speed control of suitable loads for which this control method is appropriate.
Distillation
Convenient heating-power limitation and an easy return to repeatable settings during successive process stages.
Heaters and heating
Power control of resistive heaters in tanks and other heating equipment – within the parameters permitted for the specific version.
Selected pumps and fans
Full-power start can help loads that require higher starting torque. Always verify that the specific device is compatible with this control method.
Compact enclosure and cooling
PRD1 houses the controller, display and cooling components in a compact 80 × 60 × 60 mm enclosure. The actual photo shows the fan and the device output socket.
- self-extinguishing plastic enclosure,
- IP20 protection rating,
- operating temperature from −10 to +60°C,
- maximum self-consumption up to 0.2 W.
Actual device photos
The gallery shows the actual PRD1 product. Minor components and markings may change with the production version.



Key technical data
| Model | PRD1 / PRD1(+) family |
|---|---|
| Power supply | 230 V, −20% / +10%, 50 Hz |
| Maximum controlled power | up to 5.5 kW |
| Operation | 2 buttons + LED display |
| Start modes | soft start; full-power start; start at the set power |
| Usable range | configurable Pmin and Pmax |
| Power adjustment step | configurable; setting 0–50 in the device menu |
| Memory | retains the last setting after a power outage |
| Operating temperature | −10 to +60°C |
| Maximum self-consumption | 0.2 W |
| Dimensions | 80 × 60 × 60 mm |
| Enclosure | self-extinguishing plastic |
| Protection rating | IP20 |
| Controller warranty | up to 60 months from the date of sale, according to the current warranty terms |
PRD1 – simple control with an exact value on the display
Manuals, FAQ, educational materials and other PAMEL support are available in the PAMEL Centre.
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