Widely used in AC motor speed control, electric heating power control, brightness modulation, transformer voltage modulation, suitable for the designs in fields such as mines, chemicals, textiles, communication, mechanical and electrical integration.
Features:
·Integrates 3-phase thyristor main circuit, phase-shift and voltage modulation circuit, radiator, temperature protection, fans, impedance capacitance absorber and SMPS. ·Adjustable 0-380V 3-phase output, no order of the input phase. ·Hand-control interface: 0-10k potentiometer ·automatic control interface: 0-10V or 4-20mA,connecting meter for voltage modulation ·German chips, DBC ceramic substrate, insulating voltage Viso≥2.5KV(RMS) ·Advanced welding technology, low heat impedance, long life-span. ·Special digital circuit, SMD technology, compact dimension, high stabilization. ·Incorporated design, convenient in using.
Applications:
·Soft start and speed control of AC motor. ·High-power heating and temperature control ·High-power light changes ·Electric welding, electro analysis and electroplate
2. Internal lines connections、classification and name.
3. Main technical standards(GETA-50;70;120;200;250;350;500)
Function
3-phase thyristor AC voltage modulation
Input voltage
380V+20%
Power source
12V,1A
Controlling voltage
0-10VDC
Controlling current
4-20mA
Hand-control potentiometer resistance
10KΩ
Colling method
Wind-colling radiator
Electric fan:220V0.15~0.25A
Ambient temperature
-30~+40oC
Proteltive temperature
75oC+2oC
Input voltage asymmetry degree
≤6%
Main circuit parameter
Parameter
Unit
Value
Load current
Arms
50
70
120
200
250
350
500
Max working current
Arms
50
70
120
200
250
350
500
TRIAC over voltage
Vpk
1200
Frequency
Hz
50-60
Off state voltage rising rate
V/sec
500
On state voltage rising rate
A/sec
100
Off state leakape current
mArms
≤10
≤10
≤15
≤20
On state leakape current
Vrms
1.8
1.8
1.8
1.8
Voltage drop insulating voltage
Vrms
≥2500
Weight
Kg
6.5
4. Debugging method and Connection Connections of control lines(50-120A module) ·10V voltage control ·10K potentiometer control ·4-20mA control
Remarks:the interfaces of 200A—500A modules:VCC(red)、CON1(blue)、Econ(orange)、CON(yellow)、4-20mA(green)GND(black)others are blank See the right map connections is the same as above.
5. Connections
6. Special application examples
Type
Dimension
GETA-50-120
GETA-200;250;350
GETA-440-500
Volume L*B*H(mm)
300*167*159
350*168*231
380*265*231
Mounting hole F*E*Φ
280*90*Φ9
330*90*Φ9
360*140*Φ9
7. Special application examples Hand-control 3-phase AC voltage modulation
