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The AF-300P11 series is designed for use in a variety of industries
The device operates within specified current limits to interrupt excessive currents
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3-RS485B | Edwards EST3 Network Communications Card, Class A/B Network & Class B Audio New The AF-300P11 series is designedDescription The Edwards 3 RS485B is a network communications card designed for EST3 fire alarm and emergency communication systems. It provides Class A or Class B circuits for network communications and an additional Class B circuit for digitized audio signals. The 3 RS485B mounts directly to the 3 CPU1 and retransmits network messages to extend wire run distances and ensure reliable inter panel communication. Technical Specifications Condition New
