High Voltage Outdoor Porcelain Cutout Fuse

Description & Application

High voltage outdoor porcelain cutout fuse is installed on the distribution transformer or pole of power line for overload protection and load current switching on/off.  It is composed of a main insulating & conducting structure and a fiber glass arcing tube.  The stationary contacts are fixed at both ends of the insulating post and moving contacts at both ends of fuse tube, with an arcing chamber and elastic auxiliary contacts to interrupt load current and capacitor current.

Technical Parameter & Detail Show
Technical Parameter

Item	Unit	Data
Rated Voltage	kV	34.5
Rated Current	A	100/200
Rated Frequency	Hz	50/60
Rated Fuse Base Current	A	100/200
Rated Short-circuit Breaking Current	kA	5kA, 6.3kA (4time for 100A, 1time for 200A)
Rated Power Frequency Withstand Voltage (dry/wet)	kV	100/80
Rated Lightning Impulse Withstand Voltage (phase to earth/ across the isolating distance)	kV	180/200
Creepage-distance (porcelain)	mm	900
Mechanical Life	times	500(continuous switch on- off)
Elevation	m	2000
Ambient Temperature	℃	-40 ~ +70

Fuse tube - epoxy fiber glass with fiber lining coated with special ultraviolet resistant material, the disconnecting switch blade can be here selected.

Upper contact - silver to silver, high contact pressure squeezed by stainless steel spring.

Trunnion - high strength cast copper, silver plated, and pressed on the side surface of the hinge to ensure the fuse tube alignment while switching-on.

Each in a poly bag, then in a five corrugated carton with poly foam inside

1.  The insulator fixing stem is fixed into insulator with white cement imported from America, together with tower structure it is very firm and quite suitable for outdoor application

2.  The key mechanical parts are made of high quality brass, bronze and copper, supplying a longer life.     

3.  Conductive parts are all with silver plated pure copper or beryllium bronze, the thickness reaches as much as 20μ, reducing contact resistance and supplying a stronger conductive performance.

The design and test of high voltage outdoor porcelain cutout fuse is complied with the following standards:

ISO9001

IEC282.1                                     IEC787

ANSI C37.41-94                        ANSI C37.42-94

GB 15166.3-2008                     GB311.1-97

DL/T 640-97                               DL/T 593-96

Sea Way

Air Way

Express

West Union

Wire Transfer

T/T

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