TSP-BFM Buffer Module - Traco Power

The TSP-BFM24 buffer module will hold the output voltage of a 24VDC power supply after brown outs or voltage dips of up to ten full 50Hz cycles. During this buffer period no deterioration of the 24VDC output voltage will occur. For many applications this buffer module is an ideal and cost effective alternative to a battery based backup system. The buffer module consists of a large bank of capacitors. When the power supply is switched on, the buffer capacitors will be charged. This will take approximately 30 second and an opto-coupler signal indicates the “READY” condition. When a power fail occurs, the capacitor bank is discharged, maintaining the output of the buffer module at its nominal voltage. This condition is indicated by an “POWER FAIL” signal. The hold up time is typically 200ms at 25A and 4 seconds typically at 1,2A. After 4 seconds the buffer device will switch off the output voltage. The operating modes of the module are also indicated by a LED on the front panel also. The major advantage of this buffer solution is, that it is fully maintenance free and its storage capability does not deteriorate over the live time of the product.

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