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    Universal trip amplifier

    4179B

    AC input, 2 x alarm relay, isolated input/output/supply
    • Measures AC current and voltage signals
    • Output: 2 relays
    • Programming, process monitoring and diagnostics via PR 4500
    • Universal power supply 21.6…253 VAC / 19.2...300 VDC

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    Use together with

    To get the most out of your device, we recommend pairing it with one of our display and communication units. They make configuration faster, easier - and in some cases, almost essential for daily operation.

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