W8 Series Single-Phase Compact Power Regulator
Product Features
- The whole series adopts newly designed plastic molds with integrated molding, featuring an attractive and compact appearance, suitable for dense installation in narrow spaces.
- Adopts highly reliable MCU embedded single-chip microcomputer control technology and PID closed-loop control to achieve 100% linear output.
- Single-row digital display supports cyclic and customizable display of five parameters: input, output, voltage, current and power.
- Dual-channel signal input design, supporting direct switching of 0-5V, 0-10V, 4-20mA or potentiometer amplitude limiting signals.
- Multiple control modes are available: constant voltage, constant current, constant power, open loop, cycle wave and fixed-cycle zero-cross control.
- Multiple protection functions include phase loss, overcurrent, over-temperature, wire break protection and module breakdown alarm.
- Dual-pulse transformer trigger circuit with low DC component, especially suitable for transformer loads.
- Standard equipped with MODBUS RTU communication and PLC-dedicated communication chip for more stable and faster communication; the host computer can directly control the output value.
- Programmable output relay can be used for start signal output or fault alarm output.
- High-speed electronic protection device accurately controls output current and cuts off output within 10ms.
- Covers load current ranging from 30A to 150A, applicable to various electric heating scenarios.
- This product has obtained appearance patent.
Technical Specification Sheet
| Category | Item | Parameter |
| Input | Main Circuit Power Supply | Single-phase AC 110~500V, 45~65Hz |
| Control Power Supply | 220V, 50Hz/60Hz | |
| Output | Output Voltage | 0~98% of main circuit input voltage |
| Output Current | 30A~150A | |
| Applicable Load | Resistive Load | Nickel-chromium, iron-chromium-aluminum, far-infrared heating elements, silicon molybdenum rods, silicon carbon rods and other heating components |
| Inductive Load | Salt bath furnace, power frequency induction furnace, quenching furnace, molten glass | |
| Primary & Secondary Side of Transformer | Rectifier transformer, power regulator (pure inductance coil), primary side of electric furnace transformer | |
| Main Features | High-precision AD Conversion | 12-bit AD, stepless smooth regulation of voltage, current and power |
| Control Accuracy | Better than 0.05% | |
| Sampling Resolution | Higher than 0.025% | |
| Closed-loop Control Mode | Optional: open loop, constant current, constant voltage, constant power | |
| Trigger Mode | Optional: zero-crossing, phase shift, zero-crossing + phase shift | |
| Setpoint Signal | Optional: analog setpoint, keyboard digital setpoint, communication setpoint | |
| Analog Input Interface | 2-channel analog input: DC 0~20mA, DC 4~20mA, DC 0~5V, DC 0~10V | |
| Communication Interface | RS485, Modbus RTU standard communication protocol | |
| Soft Start & Soft Shutdown | 0~120s adjustable | |
| Protection Functions | Power Failure Protection | Protects upon main circuit power supply failure |
| Over-temperature Protection | Activates when SCR temperature ＞85℃ | |
| Overcurrent Protection | Activates when output current ≥ set multiple | |
| Phase Loss Protection | Activates when main circuit input power loses phase | |
| Load Wire Break Protection | Activates when load current ＜ threshold current setting | |
| Operating Environment | Application Site | Indoor, avoid direct sunlight; free of dust, corrosive gas, flammable gas, oil mist, water vapor, dripping water and salt spray |
| Altitude | Below 1000m; derated use above 1000m | |
| Ambient Temperature | -10℃~+40℃ (derated use at 40℃~50℃) | |
| Humidity | Less than 95%RH, no condensation |
Specification And Model List
| Model No. | Current | Load Power (KW) | Overall Dimensions (MM) | Mounting Dimensions (MM) | Weight (KG) | Screw & Locking Torque | Cooling Method | |||||
| 220V Power Supply | 380V Power Supply | Length | Width | Height | Length | Width | Screw Spec | Torque | ||||
| W8-1-4-030-PT | 30A | 5.2 | 9.1 | 185 | 80 | 128 | 100 | 73 | 1.2 | M6 | 40kgfcm | Forced Air Cooling |
| W8-1-4-040-PT | 40A | 7.0 | 12.1 | 185 | 80 | 128 | 100 | 73 | 1.2 | M6 | 40kgfcm | Forced Air Cooling |
| W8-1-4-050-PT | 50A | 8.8 | 15.2 | 185 | 80 | 128 | 100 | 73 | 1.2 | M6 | 40kgfcm | Forced Air Cooling |
| W8-1-4-060-PT | 60A | 10.5 | 18.2 | 185 | 80 | 128 | 100 | 73 | 1.2 | M6 | 40kgfcm | Forced Air Cooling |
| W8-1-4-075-PT | 75A | 13.2 | 22.8 | 185 | 80 | 128 | 100 | 73 | 1.2 | M6 | 40kgfcm | Forced Air Cooling |
| W8-1-4-080-PT | 80A | 14.0 | 24.3 | 185 | 80 | 128 | 100 | 73 | 1.2 | M6 | 40kgfcm | Forced Air Cooling |
| W8-1-4-090-PT | 90A | 15.8 | 27.3 | 185 | 80 | 128 | 100 | 73 | 1.2 | M6 | 40kgfcm | Forced Air Cooling |
| W8-1-4-100-PT | 100A | 17.6 | 30.4 | 185 | 80 | 128 | 100 | 73 | 1.2 | M6 | 40kgfcm | Forced Air Cooling |
| W8-1-4-125-PT | 125A | 22.0 | 38.0 | 185 | 80 | 128 | 100 | 73 | 1.2 | M6 | 40kgfcm | Forced Air Cooling |
| W8-1-4-150-PT | 150A | 26.4 | 45.6 | 185 | 80 | 128 | 100 | 73 | 1.2 | M6 | 40kgfcm | Forced Air Cooling |
Single phase thyristor power regulators support resistive and inductive loads. Some applications thyristor power regulator widely be used:
1.Holding Furnaces
2.Silicon Carbide/MoSi2 heating elements furnaces
3.Aluminium Melting Furnaces
4.Air Handling Units
5.Dehumidifiers
6.Boilers
7.Multi-zone heating for manifold moulds
8.Hot Air Generators and Hot Air Dryers
9.Paper and Printing Drying Ovens
10.Microwave dryers
11.Multi-zone Drying and Curing Ovens
12.Heat Transfer Printing Machines
13.Preheating tunnel ovens made using IR heaters
14.Plastic Pipes and Sheets extrusion
15.Metal sheets welding systems
1. ODM/OEM service is offered.
2. Quick order confirmation.
3. Fast delivery time.
4. Convenient payment term.
At present, the company is vigorously expanding overseas markets and global layout. We are committed to becoming one of the top ten export enterprises in China’s electrical automatic product, serving the world with high-quality products and achieving a win-win situation with more customers.
MAECENAS IACULIS
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