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Autonics SPR3-125NFN Thyristor Power Controller
The Autonics SPR3-125NFN Power Controller offers 3-phase, 25A load current, Phase control: 0 to 98%, Cycle control: 0 to 100%, ON/OFF control: 0 to 100% output range, 100-240VAC~ 50/60Hz power supply. Manufactured by Autonics under the Autonics Power Controller category, this model belongs to the SPRM Series.

| Brand | Autonics |
| Product Type | Power Controller |
| Model Number | SPR3-125NFN |
Autonics SPR3-125NFN Thyristor Power Controller – Technical Specifications
| Specification | Value |
|---|---|
| Control phase | 3-phase |
| Rated load voltage | 110VAC~ |
| Rated load current | 25A |
| Display method | 3-digit 7-segment LED |
| Control input | ᆞAuto control: DC4-20mA, 1-5VDC @(=), ON/OFF contact (no-voltage input), pulse voltage (5-12VDC @(=)) ᆞManual control: outside adjuster (10kΩ), inside adjuster (output limit) |
| Digital inputs | RUN/STOP switching, AUTO/MANU switching, RESET |
| Output_Alarm | 250VAC~ 3A, 30VDC @(=) 3A, 1c resistive load |
| Cooling method | Natural cooling |
| Control method | ᆞPhase control: normal control mode, constant current/constant voltage/constant power feedback control modeᆞCycle control: fixed cycle control modeᆞON/OFF control |
| Applied load | ᆞPhase control, ON/OFF control: resistance load, inductive loadᆞCycle control: resistance load |
| Output range | Phase control: 0 to 98%, Cycle control: 0 to 100%, ON/OFF control: 0 to 100% |
| Power supply | 100-240VAC~ 50/60Hz |
| Min. load current | 1A |
| Power consumption | Max. 14VA |
| Insulation resistance | Over 200MΩ (at 500VDC megger) |
| Dielectric strength | 2,000VAC~ 50/60Hz for 1 min (between input terminals and power terminals) |
| Output leakage current | Max. 10mArms |
| Noise immunity | ±2kV the square wave noise (pulse width: 1㎲) by the noise simulator |
| Memory Protection | ≈ 10 years (non-volatile semiconductor memory type) |
| Vibration | 0.75 mm amplitude at frequency of 5 to 55 Hzin each X, Y, Z direction for 2 hours |
| Vibration_Malfunction | 0.5mm amplitude at frequency of 5 to 55Hz in each X, Y, Z direction for 10 min |
| Environment_Ambient temperature | -10 to 55℃, storage: -20 to 80℃ |
| Environment_Ambient humidity | 35 to 85% RH, storage: 35 to 85% RH |
| Allowable voltage range | 90 to 110% of rated voltage |
| Indicator | ᆞOperation indicator/Manual control indicator: green LEDᆞAlarm indicator/output indicator/unit (V, A) indicator: red LED |
| Output accuracy | ᆞNormal control: within ±10% F.S. of rated load voltageᆞConstant current feedback control: within ±3% F.S. of rated load currentᆞConstant voltage feedback control: within ±3% F.S. of rated load voltageᆞConstant power feedback control: within ±3% F.S. of rated load power |
| Setting type | By front keys, by communication |
| Function | Output limit (OUT ADJ), AUTO/MAN selection, control method selection, RESET, SOFT START, SOFT UP/DOWN, output high/low limit, input correction, input slope correction, monitoring (control input, load voltage/current/power/resistance, power supply frequenc |
| Function_Alarm | Overcurrent alarm, overvoltage alarm, fuse break alarm, SCR error alarm, heater break alarm, heatsink overheat alarm |
| Accessories | 11-pin connector, isolating barrier: 4 |
| Weight | Approx. 4.9kg(approx. 4.1kg) |
Give Us a Call for Slim 3-Phase Power Controller with LED SPR3-125NFN at the lowest pricing. In-depth Technical Analysis of SPR3-125NFN feature these controllers support 3-phase control with a rated load voltage of 110VAC~ and a rated load current of 25A. The intuitive 3-digit 7-segment LED display provides clear visibility, featuring, RUN/STOP switching, AUTO/MANU switching, RESET. The Natural cooling method ensures reliable operation without additional cooling requirements. Compatible with ᆞPhase control, ON/OFF control: resistance load, inductive loadᆞCycle control: resistance load, the output range is Phase control: 0 to 98%, Cycle control: 0 to 100%, ON/OFF control: 0 to 100%, offering wide application flexibility. Operating on a power supply of 100-240VAC~ 50/60Hz, the device ensures power efficiency with consumption Max. 14VA. The ambient temperature range is -10 to 55℃, storage: -20 to 80℃, with storage conditions preventing freezing or condensation. Elevate Your Project with a Quote for your requirement of Slim 3-Phase Power Controller with LED. Our promise: More affordable pricing and more personalized support than other Distributors & Dealers.







