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G3NA-205B Safety Light Curtain | F3SJ Series Industrial Safety Sensor

The G3NA-205B is a widely used, compact hockey-puck style Solid State Relay (SSR) optimized for stable single-phase heater and motor control. It features a built-in zero-cross function to suppress electrical noise, a protective cover for enhanced safety, and a built-in red LED operation indicator for immediate status monitoring.

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Key Specifications Relay Type: Solid State Relay (SPST-NO / 1 Form A) Zero-Cross Function: Equipped (Activates near 0V to lower voltage surges and RF noise) Isolation Method: Phototriac (for DC-input models) or Photocoupler (for AC-input models) Input (Control Side Options) Note: Input ratings depend on your exact sub-model (e.g., DC5-24 or AC100-240). DC Input Version: 5 to 24 VDC (Operating range: 4 to 32 VDC / 7 mA max.) AC Input Version: 100 to 240 VAC (Operating range: 75 to 264 VAC) Output (Load Side) Rated Load Voltage: 24 to 240 VAC Load Voltage Range: 19 to 264 VAC (50/60 Hz) Load Current Rating (at 40°C): 0.1 to 5 A (With external heat sink installed) 0.1 to 3 A (Without external heat sink) Inrush Current Resistance: 60 A (60 Hz, 1 cycle) Output ON Voltage Drop: 1.6 V max. (RMS) Leakage Current: 5 mA max. (at 100 VAC) / 10 mA max. (at 200 VAC) General Performance Response Time (DC Input): Turn-ON: 1/2 of load power source cycle + 1 ms max. Turn-OFF: 1/2 of load power source cycle + 1 ms max. Dielectric Strength: 2,500 VAC, 50/60 Hz for 1 minute Ambient Operating Temperature: -30°C to 80°C (with no icing or condensation) Terminal Type: Heavy-duty screw terminals Certifications: CE, UL, CSA, TÜV (UR)