B+B SMARTWORX 485FPP -;- 422/485 FUSED PORT PROTECTOR. THE 485FPP PROVIDES SURGE SUPPRESSION FOR PORTS WITH RS-422 OR RS-485 SIGNAL LEVELS. IN ADDITION TO SURGE SUPPRESSION,FAST-ACTINGFUSES ARE USED TO PROTECT THE DEVICE AGAINST TRANSIENT VOLTAGES TOO LARGE OR LON UNSPSC Code 39121610
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