DC Pulse Width Modulation Type Solid State Regulator TZ03D
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DC Pulse Width Modulation Type Solid State Regulator TZ03D
Model | TZ03D | TZ04D |
---|---|---|
Maximum Output Voltage | 100, 200, 600, 1200 VDC | 100, 200, 600, 1200 VDC |
Maximum Output Current | 60~500 A | 60~500 A |
Control Method | Potentiometer Adjustment: 30K/2W | Proportional Adjustment: 0-5VDC; 0-10VDC; 4-20mA |
Control Power Supply | 12VDC (≤40mA) or 24VDC (≤50mA) | 12VDC (≤40mA) or 24VDC (≤50mA) |
Off-state Voltage | 100, 200, 600, 1200 VDC | 100, 200, 600, 1200 VDC |
Output Switching Time | 0~3 ms | 0~3 ms |
Isolation Voltage | ≥ 2000 V | ≥ 2000 V |
Insulation Voltage | ≥ 2500 V | ≥ 2500 V |
Ambient Temperature | -30 ~ 75 ℃ | -30 ~ 75 ℃ |
Cooling Conditions | 60 with heatsink; ≥120A with additional fan cooling | 60 with heatsink; ≥120A with additional fan cooling |
Load Current Safety Factor | Resistive load 2~3 times; Inductive load 3~5 times | Resistive load 2~3 times; Inductive load 3~5 times |
Dimensions | 95×60×46mm | 95×60×46mm |
Since the maximum output voltage in the parameter table equals the forward breakdown voltage and the maximum output current is the value at room temperature, sufficient margin should be left when selecting. For resistive loads: select the current at 3 to 4 times the load current and the voltage at 2 to 3 times. For inductive loads: select the current at 4 to 6 times and the voltage at 4 to 5 times.
When the ambient temperature is high or the cooling conditions are poor, the current rating should be increased and the size of the heatsink should be enlarged. To prevent overcurrent or short circuit in the load during use, a fast circuit breaker or fast fuse should be added to the main circuit.
Since this product is internally equipped with a freewheeling diode, it can work safely without overvoltage protection for inductive loads under the specified DC power supply voltage. However, for rectified power supplies, it is best to connect a varistor (MOV) across the power supply terminals, selected at 1 to 2 times the power supply voltage, and the RC value should be selected according to the load power.
During installation, the contact surface between the heatsink and this product must be flat and smooth, and a layer of thermal grease should be applied to the surface. Finally, tighten and fix the screws with flat washers and spring washers symmetrically.
The weak current part and the strong current part are isolated by optoelectronics and transformers.
Transistor PWM output, with a wide range of adjustable output power.
Contactless output, no sparks or mechanical wear during operation, resulting in a longer lifespan.
Built-in freewheeling diode at the output load end, no additional protection needed for inductive loads.
Solid encapsulation, shockproof, corrosion-resistant, safe and reliable during operation.
Mainly used for power regulation of high-power electric heaters in DC power supplies, dimming of lighting lamps and speed control of electric motors.
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