The 4804 isolation relay modules from Dortronics Systems Inc. operate on 12VDC or 24VDC and are DPDT-rated for 3A at 24VDC with one common on each set fused at 1.6A. Built-in fire alarm interface and mantrap interlock options add to application flexibility. Large-gauge wiring terminal strips with captive screw posts ease installation. On-board LEDs provide a visual indication of power to the relay board. Dortronics Systems Inc.

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