XSSR-3 W4 Series Three-Phase AC Solid State Relay Overview
The XSSR-3 W4 series is a screw-mounted three-phase AC solid state relay designed to handle high-current industrial loads. It supports both AC and DC control inputs and features high-isolation optoelectronic technology. With integrated RC snubber circuitry and zero-crossing trigger functionality, it effectively suppresses surge interference and enhances control stability. This series is ideal for industrial heating, motor control systems, and other high-power automation scenarios.
Specifications
| Item |
Value |
| Control Voltage |
3–32VDC (DA) / 80–250VAC (AA) |
| Control Current |
10–30mA |
| Reverse Voltage |
32VDC |
| Guarantee ON Voltage |
3VDC (DA) / 80VAC (AA) |
| Guarantee OFF Voltage |
1VDC (DA) / 30VAC (AA) |
| Load Voltage |
24–480VAC |
| Max Load Current |
75A ~ 200A |
| Min Load Current |
0.1A |
| Output Leakage Current |
≤8mA |
| Dielectric Strength |
≥2500VAC |
| Insulation Resistance |
≥100MΩ |
| Switching Time |
≤10ms |
| Frequency Range |
50–60Hz |
| Operating Temperature |
–20°C ~ +70°C |
| Mounting Style |
Horizontal screw-mount, reinforced plastic housing |
| Dimensions (Reference) |
Approx. 92 × 62 × 30 mm (Mounting hole spacing: 47.5mm) |
Application Scenarios
• High-power three-phase motor start/stop control
• Industrial heating systems and thermal equipment
• Electromagnetic systems in automated production lines
• Three-phase lighting systems or distributed power switching
• HVAC systems and large-scale drive equipment control
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