Datasheet > 7.2ABCNA6.3

7.2ABCNA6.3

更新时间： 2022-02-26 11:27:19

品牌	Logo	应用领域
库柏 - COOPER		/
页数	文件大小	规格书
72页	9624K
描述
PT Medium voltage fuses for potential and small power transformers

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7.2ABCNA6.3 数据手册

BUSSMANN

Effective March 2016

Supersedes December 2015

Technical Data 6002

SERIES

PT Medium voltage fuses for potential and

small power transformers

Features and benefits

•

Low amp, current-limiting E-Rated PT

medium voltage fuses are general purpose

fuses defined by their melting time-current

characteristic that permit their electrical

interchangeability with other fuses of the

same E Rating.

•

E-Rated general purpose fuses must have

a current responsive element that will melt

in 300 seconds at an RMS current within

the range of 200% to 240% of the fuse’s

nameplate current rating, fuse refill, or link

per ANSI C37.46 for fuses rated 100E or less.

•

PT fuses are physically dimensioned for easy

installation in existing hardware.

Space saving size eases design

considerations for new installations.

Current-limiting fuses provide positive

interruption even on low fault currents.

The fuse limits the magnitude of

electromechanical stresses in the protected

apparatus.

Description:

Bussmann^®series Indicating and non-

•

indicating E-Rated, current-limiting, medium

voltage fuses for potential, small power and

control transformers.

•

These fuses are in a self-contained, non-

venting package for installation indoors or

outdoors in an enclosure.

Contents

•

Available in indicating and non-indicating

versions.

Description

Page

Open fuse indicator speeds troubleshooting

by providing a positive visual indication of

fuse operation.

Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2

2.475kV fuses . . . . . . . . . . . . . . . . . . . . . . . . . . 3-6

3.6kV fuses . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-9

5.5kV fuses . . . . . . . . . . . . . . . . . . . . . . . . . . 10-26

7.2kV fuses . . . . . . . . . . . . . . . . . . . . . . . . . . 27-29

8.3kV fuses . . . . . . . . . . . . . . . . . . . . . . . . . . 30-39

12kV fuses . . . . . . . . . . . . . . . . . . . . . . . . . . 40-42

15.5kV fuses . . . . . . . . . . . . . . . . . . . . . . . . . 43-52

17.5kV fuses . . . . . . . . . . . . . . . . . . . . . . . . . 53-54

24kV fuses . . . . . . . . . . . . . . . . . . . . . . . . . . 55-56

25.5kV fuses . . . . . . . . . . . . . . . . . . . . . . . . . 57-60

36kV fuses . . . . . . . . . . . . . . . . . . . . . . . . . . 61-62

38kV fuses . . . . . . . . . . . . . . . . . . . . . . . . . . 63-69

Fuse mountings. . . . . . . . . . . . . . . . . . . . . . 70-71

Typical applications:

•

Primary protection of:

•

Medium voltage potential transformers

•

Small medium voltage service

transformers

•

Small medium voltage control

transformers.

12 3 4 5 6 7...72

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