Maintenance teams planning replacements for SPR3-4150TFF frequently review Autonics Proximity Sensor and Autonics Digital Counter to prevent downtime, checking availability and compatibility with existing systems.
Autonics SPR3-4150TFF Thyristor Power Controller
Autonics SPR3-4150TFF Thyristor Power Controller delivers 150A load current with 440VAC operation and 3-phase controlled power switching capability. It includes a 3-digit LED display, provides digital inputs for RUN/STOP, AUTO/MANU and RESET, and uses forced-air cooling. Output ranges cover 0β98% phase control and up to 100% cycle and ON/OFF control, powered by a 100β240VAC supply. The model is part of the Autonics lineup and listed under Autonics Thyristor Power Controllers in the SPR3 Series.
| Brand | Autonics |
| Product Type | Power Controller |
| Model Number | SPR3-4150TFF |
Autonics SPR3-4150TFF Thyristor Power Controller β Technical Specifications
| Specification | Value |
|---|---|
| Control phase | 3-phase |
| Rated load voltage | 440VAC~ |
| Rated load current | 150A |
| Display method | 3-digit 7-segment LED |
| Control input | αAuto control: DC4-20mA, 1-5VDC @(=), ON/OFF contact (no-voltage input), pulse voltage (5-12VDC @(=)) αManual control: outside adjuster (10kΞ©), inside adjuster (output limit) |
| Digital inputs | RUN/STOP switching, AUTO/MANU switching, RESET |
| Output_Alarm | 250VAC~ 3A, 30VDC @(=) 3A, 1c resistive load |
| Output_Communication | RS485 communication output (Modbus RTU method), max. connection: 31 units |
| Cooling method | Forced air cooling (with the cooling fan) |
| Control method | αPhase control: normal control mode, constant current/constant voltage/constant power feedback control modeαCycle control: fixed cycle control modeαON/OFF control |
| Applied load | αPhase control, ON/OFF control: resistance load, inductive loadαCycle 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. 32VA |
| Insulation resistance | Over 200MΞ© (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 | Β±2kV the square wave noise (pulse width: 1γ²) by the noise simulator |
| Memory Protection | β 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 55β, storage: -20 to 80β |
| Environment_Ambient humidity | 35 to 85% RH, storage: 35 to 85% RH |
| Allowable voltage range | 90 to 110% of rated voltage |
| Indicator | αOperation indicator/Manual control indicator: green LEDαAlarm indicator/output indicator/unit (V, A) indicator: red LED |
| Output accuracy | αNormal control: within Β±10% F.S. of rated load voltageαConstant current feedback control: within Β±3% F.S. of rated load currentαConstant voltage feedback control: within Β±3% F.S. of rated load voltageαConstant power feedback control: within Β±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. 9.7kg(approx. 8.7kg) |
The Autonics SPR3-4150TFF Thyristor Power Controller supports 150A rated current, 440VAC load operation, a 3-digit LED display and structured digital inputs for control mode switching. As part of the SPR3 Series, it is designed for industrial automation systems requiring stable 3-phase power regulation across machinery, heat-control systems and process equipment.
This controller is suited for conveyors, packaging machinery, automated assembly stations and equipment requiring precise and stable output control. Its forced-air cooling helps maintain operational consistency, while flexible output modes enable smoother handling of varying industrial load demands.
The Autonics SPR3-4150TFF Thyristor Power Controller offers dependable performance through its 150A handling capability, voltage compatibility and clear operational input structure. Autonics provides reliable control solutions for users who need structured, predictable power switching within automation environments. As part of the SPR3 Series, it ensures consistent performance for continuous-duty industrial applications.
