Wenzhou Shuowei Electric Co., Ltd.

PRNT-15.5 oil-immersed transformer overload protection with high voltage fuse (hereinafter referred to as the fuse) applied to AC 50 Hz, rated voltage 15.5 KV, rated current indoor - 140A high voltage power system. It must connect in series with XRNT5-15.5 oil-immersed transformer short-circuit protection backup fuse (hereinafter referred to as the backup fuse) to form a power transformer overload and short circuit protection system, which provide a full range protection. In the full range of protection system the fuse just be used to protect the transformer secondary side short circuit faults and small fault current only.

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