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How do I connect backup batteries and loads to a NOTIFIER ALI50EN power supply?

1Answers
VanRobert
12/17/2025, 02:26:37 PM

Connecting backup batteries and loads to your NOTIFIER ALI50EN Auxiliary Power Supply is crucial for ensuring your fire alarm system functions correctly, especially during power outages. Here’s a step-by-step guide:

  1. Backup Battery Connection:

    • Connect the positive (+) terminal of your backup battery to the BATT+ terminal on the ALI50EN unit.
    • Connect the negative (-) terminal of the backup battery to the BATT- terminal on the ALI50EN unit.

  2. Load Connections:

    • For Charge A, connect the positive (+) terminal of your load to the A+ terminal on the power supply.
    • Connect the negative (-) terminal of the same load to the A- terminal.
    • For Charge B (if applicable), connect the positive (+) terminal of another load to the B+ terminal.
    • Connect the negative (-) terminal of that load to the B- terminal.
    • For Charge C (if applicable), connect the positive (+) terminal of an additional load to the C+ terminal.
    • Connect the negative (-) terminal of that load to the C- terminal.

  3. Important Considerations:

    • Always verify that the current draw from any individual output (A, B, or C) does not exceed 1.5A. Exceeding this limit can overload the power supply and potentially damage it.

By following these instructions, you should be able to connect your backup batteries and loads safely and effectively to your NOTIFIER ALI50EN, ensuring reliable operation of your fire alarm system.

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