Autonics SPRM3-F25R Thyristor Power Controller
Autonics SPRM3-F25R Thyristor Power Controller supports 25A load current with 220–440VAC rated load voltage and single-phase or 3-phase control. It includes 5-digit LCD display, digital inputs for RUN/STOP, AUTO/MANU and RESET, with natural cooling and a 0–98% output range. The controller is part of the Autonics range and available under Autonics Thyristor Power Controllers within the SPRM Series, operating on a 24VDC supply.
| Brand | Autonics |
| Product Type | Power Controller |
| Model Number | SPRM3-F25R |
Autonics SPRM3-F25R Thyristor Power Controller – Technical Specifications
| Specification | Value |
|---|---|
| Control phase | Single phase 3 Ch or 3-phase |
| Rated load voltage | Free voltage 220-440 VAC~ 50/60 Hz |
| Rated load current | 25A |
| Display method | 5 digit 11 segment LCD (white) × 4, Output BAR |
| Control input | ᆞAuto control: DC 4-20mA×3Ch, 0-5/1-5/0-10VDC@(=), External adjuster (10kΩ), RS485ᆞManual control: Parameter setting |
| Digital inputs | RUN/STOP switching, AUTO/MANU switching, RESET |
| Output_Alarm | 250VAC~ 2A, 30VDC @(=) 2A, 1c resistive load |
| Output_Communication | RS485 |
| Cooling method | Natural cooling |
| Control method | ᆞPhase control: Normal / Constant current feedback / Constant voltage feedback / Constant power feedback control mode |
| Applied load | Resistance load, inductive load |
| Output range | Resistance load: 0 to 98 %, Inductive load: 5 to 98 % |
| Power supply | 24VDC |
| Min. load current | 1A |
| Power consumption | ≤ 15 W |
| Insulation resistance | Over 200MΩ (at 500VDC megger) |
| Dielectric strength | Between the charging part and the case : 3,000 VAC~ 50/60 Hz for 1 min |
| Output leakage current | Max. 10mArms |
| Noise immunity | ±0.5kV the square wave noise (pulse width: 1㎲) by the noise simulator |
| Memory Protection | ≈ 10 years (non-volatile semiconductor memory type) |
| Vibration | 0.5 mm double amplitude at frequency of 5 to 55 Hz in each X, Y, Z direction for 2 hours |
| Vibration_Malfunction | 0.5 mm double amplitude at frequency of 5 to 55 Hz in each X, Y, Z direction for 10 min |
| Environment_Ambient temperature | -10 to 40℃, storage: -20 to 80℃ (no freezing or condensation) |
| Environment_Ambient humidity | 35 to 85% RH, storage: 35 to 85% RH |
| Unit weight (packaged weight) | ≈ 4.75 kg (≈ 5.75 kg) |
The Autonics SPRM3-F25R Thyristor Power Controller delivers controlled power switching through its 25A load rating, 220–440VAC load voltage support, digital inputs for operation modes, and 5-digit LCD display. As part of the SPRM Series, it is suitable for industrial automation environments requiring stable power regulation across heating, process equipment, and controlled load systems.
This controller is used in conveyors, packaging machinery, automated heating assemblies and other process control lines where precise output management is required. Its natural cooling method ensures stable operation, while flexible output ranges help maintain consistent performance across varying industrial loads.
The Autonics SPRM3-F25R Thyristor Power Controller offers dependable control performance supported by its 25A capacity, structured digital input functions and stable voltage handling. Autonics provides reliable solutions for industrial users needing consistent power switching hardware within automation environments. As a SPRM Series unit, it remains a dependable choice for regulated output control across diverse applications.
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