RD233 - 3 Digital Input, 3 Relay Output Expandable Card for PR Model Paperless Recorders Railway Surveillance Protection: Locked Rotor

Protection: Locked Rotor

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RD233 - 3 Digital Input, 3 Relay Output Expandable Card for PR Model Paperless Recorders Railway Surveillance Protection: Locked Rotor3 digital input channels 3 relay output channels Logic Low: 5V minimum, 0. 8V maximum Logic High: 3. 5V minimum, 24V maximum External pull down resistance: 1K maximum External pull up resistance: 1. 5M minimum Relay contact form: N. O. & N. C. (Form C Relay rating: 5A 240 VAC, 200,000 life cycles (resistive load Compatible with PR10, PR20, and PR30 paperless chart recorders The RD233 is an expandable combination relay output and digital input card for