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    GDZ02 DC solid state relayGDZ02 DC solid state relayGDZ02 DC solid state relay
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GDZ02 specification
GDZ02C specification
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GDZ02 DC solid state relay


  • Electromagnetic coupling isolation between input and output circuits.
  • Control signal interface with PLC and TTL logic signals.
  • Input undervoltage protection, output transient overvoltage absorption protection.
  • Solid-state contactless normally open output, switching without sparks or arcing.
  • The GDZ02L-Z model features automatic overcurrent and short-circuit protection.
  • Encapsulated in epoxy resin, corrosion-resistant, shock-resistant, switch operation is stable and reliable.
  • The product is mainly used for electrical equipment powered by DC sources. Such as PTC DC heaters, battery charging and discharging, DC motors, solenoid valves, and other switching switches.
GDZ02 specification

Model GDZ02
Control Voltage 3-32 VDC; 12-15 VDC; 18-36 VDC
Control Current 8-20 mA; 30-80 mA; 25-70 mA
Under-voltage Protection <10VDC lock at 12-15V; <16VDC lock at 18-36V
Operating Indicator LED
Maximum Voltage 100V, 200V, 600V, 1200V
Maximum Current 10, 20, 30A; 30, 60, 80, 100, 120, 150, 180A
On-State Voltage Drop ≤0.5 – 4.7 V
Off-State Voltage 100V, 200V, 600V, 1200V
Transient Voltage Suppression 82V, 180V, 480V, 1000V
Protection Current L: 50% of rated current; Z: 100% of rated current
Switching Time ≤7 ms; ≤0.13 ms; ≤0.13 ms
Switching Characteristics MOS or IGBT solid-state contactless switch
Isolation Voltage ≥ 2500 V
Insulation Voltage ≥ 2500 V
Operating Temperature -25 to 75 ℃
Heat Dissipation Condition Heat sink for ≥20A; fan for ≥80A
Load Current Safety Factor Resistive load: 2.5-3 times of rated current; Motor load: 3-6 times of rated current


GDZ02C specification

Model GDZ02C
Control Power Supply 12-15VDC; ≥80mA 18-36VDC; ≥60mA
Drive Mode Built-in isolated power supply
Control Signal 4-32 VDC or PWM pulse width modulation signal
Control Indicator LED
Maximum Voltage 100V; 200V; 600V; 1200VDC
Maximum Current 10, 20, 30 ... 180 A (1mS)
On-State Voltage Drop 0.5-4.5 VDC
Off-State Voltage 100V; 200V; 600V; 1200VDC
Transient Voltage Suppression 82V, 180V, 480V, 1000V
Protection Current L: 50% of rated current setting; Z: 100% of rated current setting
Switching Time

GDZ02C ≤ 0.05 mS; GDZ02CL ≤ 0.15 mS

Switching Characteristics MOS or IGBT solid-state contactless switch characteristics
Isolation Voltage ≥1500-2500V
Insulation Voltage ≥2000-2500 V
Operating Temperature -25 to 75 ℃
Heat Dissipation Condition Heat sink for ≥30A, additional fan cooling for ≥80A
Load Current Safety Factor Resistive load: 2-3x, Inductive load: 4-6x




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