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PRNT13 Series
High-voltage Current-limiting Backup Fuse Protector For Oil-immersed Transformer Short Circuit Protection

PRNT13 Series High-voltage Current-limiting Backup Fuse Protector For Oil-immersed Transformer Short Circuit Protection

Introduction


PRNT13 Series cannot be used alone, and must be connected in series with the XRNT5 Series to form a full range of fuses. Therefore, when selecting, it is necessary to fully consider the protection characteristics of the two. In the time-current characteristic curve, their curves must have an intersection, and the minimum breaking current of PRNT13 series must be above this intersection, and the maximum rated breaking current of XRNT5 Series must be below this intersection.

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Basic Parameters


Working method: jet

Placement: indoors

Applicable object: oil-immersed transformer

Rated voltage (KV): 15.5

Maximum working voltage (KV): 17.2

Rated current (A): 140

Rated current of fuse link (A): 6.3, 10, 16, 25, 40, 50, 63, 100, 140

Rated breaking current (KA): 2.5

Length of fuse link (mm): 98.5

Diameter of fuse link (mm): Φ9.5

Features


It cannot be used alone, it must be used together with the XRNT5 Series.

The fuse should be placed in the transformer oil, and its surrounding temperature should not exceed 100℃.

The fuse adopts a plug-in structure, one end is trumpet-shaped, and the other end is funnel-shaped.

When the handle is inserted into the base, it is rotated to lock the fuse.

* If you need to customize according to your special needs, please contact us.


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