BUY PS2503-4 https://www.utsource.net/itm/p/443167.html
LOW INPUT CURRENT, HIGH SPEED SWITCHING MULTI PHOTOCOUPLER SERIES
Description: The PS2503-4 is a 4-channel optically isolated digital input module from NEC. Features: * 4-channel optically isolated digital input * Input voltage range: 5V to 24V * Input current: 2mA max * Isolation voltage: 2500Vrms * Operating temperature range: -20°C to +70°C Applications: The PS2503-4 is suitable for use in a wide range of industrial applications, including PLCs, motor control systems, and process control systems. It can be used to provide electrical isolation between the input and output signals, protecting the system from electrical noise and interference.
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