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  • RW12 Series 33KV Drop out Fuse
  • RW12 Series 33KV Drop out Fuse

RW12 Series 33KV Drop out Fuse

Drop-out fuses and pull-down fuses are outdoor high-voltage protection appliances. 

Drop-out fuses and pull-down fuses are outdoor high-voltage protection appliances. It is installed on the high voltage side of the distribution transformer or on the branch line of the distribution line. It is used as short circuit, overload protection and split and combined load current of the transformer and line. The Drop-out fuse consists of two parts: an insulating bracket and a fuse tube.The static contact is installed at both ends of the insulating bracket, the movable contact is installed at both ends of the fuse tube, and the fuse tube is composed of the arc extinguishing tube of the inner layer and the phenolic paper tube or the epoxy glass tube of the outer I aye r. Control load Drop-out fuse enhanced auxiliary contact and arc extinguishing cover, which is used to split and combined load current.

RW12 Series 33KV Drop out Fuse are outdoor high-voltage protection appliances. It is installed on the high voltage side of the distribution transformer or on the branch line of the distribution line. 33kv drop out fuse is used as short circuit, overload protection and split and combined load current of the transformer and line. The Drop-out fuse consists of two parts: an insulating bracket and a fuse tube.The static contact is installed at both ends of the insulating bracket, the movable contact is installed at both ends of the fuse tube, and the fuse tube is composed of the arc extinguishing tube of the inner layer and the phenolic paper tube or the epoxy glass tube of the outer I aye r. Control load Drop-out fuse enhanced auxiliary contact and arc extinguishing cover, which is used to split and combined load current.

NO.Description
1Back Plate
2Long Bolts
3Mouting Brackets
4Porcelain
5Cannector
6Upper Housing
7Upper Contacts
8Attachment Hooks
9Operation Ring
10Fuse Tube
11Toggle Joint
12Lower Housing

Fuse Link …“KB、KU、KS” type

Types and Applications
“KB, KU, KS”type belong to”K”and”T”type fuse links. According to I EC-282 standard, there are three types: common type, universal type and threaded type. It is suitable for 11~33kV voltage class drop-out fuse.

Technical data

Rated current (ADimensions (mm)Quantity
carton
ABCDF
1 to 2512.5±0.219.0±0.2Note 12.06.5500
30 to 4012.5±0.219.0±0.2Note 13.08.0500
50 to 10019.0±0.3Not applicableNote 15.010.0250
140 to 20019.0±0.3Not applicableNote 17.012.0150

Fuse link selection

Transformer capacity (kVA)Rated current (A)Fuse link specifications
100.583
201.153
301.733~5
502.895~10
633.647.5~10
804.6210~15
1005.7710~15
1257.2215~20
1609.2415~20
20011.5520
31518.1930

Structure size

Order information


1. Product model, name, rated voltage, rated current, and rated breaking current;

2. Environmental requirements (anti-pollution type, highland type);


3. Special requirements can be talked with the manufacturer.

RW12-33KV drop-out fuse (Export-type)

ModeRated voltage
(kV)
Rated current
(A)
Breaking current
(kA)
Impulse voltage
(BIL)
Power frequency
withstand voltage
(kV)
Creepage
distance (mm)
Weight (kg)Outline
Dimensions
(cm)
H)RW12-36/1003610012.517070(720)6604)12.855x38x135
H)RW12-36/200362001617070(660)7204.2)1355x38x135

Drop-out fuse Installation diagram (Export-type)

Drop-out fuse mounting bracket (Export-type)

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