Protect your access control and automation systems from power surges and lightning strikes. The MD4Ccu is a 4-line surge protection device designed for RS485, data, or signal lines—ideal for use with barrier gates, RFID readers, and controllers.
✅ Product Features:
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4-line surge protection for low-voltage control signals
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Designed for RS485/RS422 data line protection
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DIN rail mount for easy panel integration
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Fast response time with low clamping voltage
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Compact, industrial-grade design
âš¡ Recommended For:
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Barrier gate control panels
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RFID and access control systems
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Intercom and automation networks
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Critical signal line protection
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