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    Switching time adjustable solid state relaySwitching time adjustable solid state relaySwitching time adjustable solid state relay
Product Details
Specification
Notes while using
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Product Details

Switching time adjustable solid state relay


  • Optical isolation and non-isolation between input and output circuits.
  • Light Emitting Diodes (LEDs) indicate the on and off status separately.
  • The timing of the switch can be adjusted arbitrarily within a specified range.
  • The GAT14 model features a thyristor (SCR) output with zero current turn-off.
  • The GAT06 model has a transistor output, which provides fast switching speeds and a low on-state voltage drop.
  • The products are mainly used for automatic timing switch control in industrial automation, advertising lights, solenoid valves, electromagnetic clutches, and similar applications.
Specification
Model GAT14 GAT06
Input Power Voltage 440VAC, 660VAC 12VDC to 24VDC, 12VDC to 200VDC
Maximum Output Current 10A to 180A 10A to 100A
On-State Voltage ≤1.8 V ≤1.5 V
Control Voltage 6VDC to 15VDC, 18VDC to 32VDC
Control Current ≤30 mA
Turn-On Time 0.5 sec to 30 min
Turn-Off Time 0.5 sec to 30 min
Off-State Voltage 800V, 1500V 100VDC, 400VDC
Isolation Voltage ≥2000 V Control to output non-electrically isolated
Insulation Voltage ≥2000 V
Insulation Resistance ≥100 MΩ
Operating Temperature -20°C to 75°C
Cooling Conditions ≥20A with heat sink, ≥40A with additional fan cooling
Load Current Safety Factor Resistive load: Use 2-3 times the current, Inductive load: Use 3-5 times the current


Notes while using
  1. Current Margin Selection Based on Load Power:

    • The larger the power of the load, the greater the current margin should be. Typically, the current capacity of a solid-state relay (SSR) is selected to be 2.5 to 5 times the load current.
  2. Protection Measures in the Output Circuit:

    • Overvoltage Protection: Use a varistor. For a 440VAC SSR, select a varistor rated between 470V to 680V, and for a 660VAC SSR, choose between 1100V to 1200V.
    • Overcurrent Protection: Incorporate a quick-acting circuit breaker or fast-acting fuse in the main circuit.
  3. Heat Sink Selection:

    • The choice of heat sink should vary according to the SSR's current rating, mode of operation, and environmental conditions. It is better to choose a heat sink with a larger surface area rather than one that is too small.
  4. Input Control Terminal Wiring:

    • Pay attention to the voltage level and polarity when wiring the input control terminal of the SSR. If the actual control voltage is higher than the rated voltage, a resistor can be connected in series in the control circuit to ensure that the control current is higher than the minimum required to turn on the SSR.
  5. Adjustment of the Time-Setting Potentiometer:

    • Adjustments to the time-setting potentiometer should be made slowly. Avoid applying excessive force at the start or end points to prevent damage to the components.
Product Inquiry
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