2PH 660V SCR Thyristor Controller supports multiple types of control signals and MODBUS communication, and integrates a variety of protection and alarm systems. 2PH 660V SCR Thyristor Controller achieves load regulation by controlling voltage, current, and power. 2PH 660V SCR Thyristor Controller adopts high-speed microprocessor technology and, with the help of advanced energy-saving algorithms, is more energy-efficient and environmentally friendly.
Load
Rated Voltage Range of Load
220V, 380V, 440V, 660V, 1140V
Applicable Load Types
Various pure resistive loads, IR infrared lamps, and other loads
Load Wiring Modes
Three-phase star connection with ungrounded neutral (3S), three-phase delta connection (3D)
Control Signal Input
Automatic control signals (e.g., from PLC or temperature controller):
Optional signal inputs including 4-20mA, 0-10mA, 0-5V, 0-10V, 1-5V, 2-10V, and PWM.
Manual panel button adjustment
Manual potentiometer adjustment
01
Control Method
Zero-crossing cycle power regulation technology, which enables closed-loop control such as constant current, constant voltage, and constant power.
02
Protection System
Fast fuse protection, current transformer protection, phase failure protection, overvoltage protection, overtemperature protection, etc.
03
Communication
Standard MODBUS RTU communication
04
Cooling Method
Air cooling
05
Other Detailed Parameters
| Input Impedance | 120Ω (for 4-20mA input mode) |
| Soft Start Time Range | Adjustable range of 0-60 seconds |
| Output Voltage Control Range | 0-98% of the input voltage |
| Adjustment Output Resolution | 0.2° |
| Phase Discrimination | Automatic discrimination of R-S-T three-phase voltages |
| Protection Response Time | < 20ms |
| Relay Contact Rating | 250V AC 2A |
| External Voltage Control Function | Voltage adjustment (internal) / 0-100% |
| Insulation Resistance | 20 MΩ (at 500V DC) |
| Dielectric Strength | 2000V AC for 1 minute (for 220V models); 2500V AC for 1 minute (for 380V models) |
| Material & External Coating | Cold-rolled steel plate with electrophoretic coating treatment |
| Current Limiting Function | Adjustment range of 20-110% |
| Overcurrent Protection System | Electronic-type protection |
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