| http://www.w3.org/ns/prov#value | - U.S. Pat. No. 4,912,589 suggests a surge suppression network in which a clamping device such as a MOV is connected in series with a crowbar device in the form of a gas tube or a trigger device such as a silicon controlled rectifier (SCR) or a TRIAC. A triggering circuit in parallel with the clamping device switches the crowbar device when a surge exceeds a breakdown or trigger voltage.
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