Lightning surge counter ProALARM

lightning strikeDIN rail

Surge and Lightning Counters ProALARM is a failure indication device that informs a user of the need to replace a failed SPD. It can be quickly and easily installed next to an SPD on the same rail, and by making connections between the RC contacts on the SPD and the unit. •Audio alarm SPD failure indication •Red LED visual SPD failure indication •Button for acknowledging and silencing the alarm •Multiple SPDs may be connected to one ProALARM •Power supply 110V-230V