Fuse Cutout, Drop out Fuses 24kv 300A

  • Model NO.: PRW-24kV/300A
  • Type: Distribution
  • Shape: Circle
  • Fusing Device: Fuse Link
  • 12: Kv
  • Trademark: OEIpower
  • Specification: IEC282-2 IEEEc37-41
  • HS Code: 85351000
  • Breaking Capacity: High
  • Usage: High Voltage
  • Fusing Speed: T K
  • Standard: IEC IEEE
  • 36: Kv
  • Transport Package: Cartons Pallets Wooden Case
  • Origin: China Nanyang
CUT-OUT
Fuse Cutout, Drop out Fuses 24kv 300A


Gama 20 kV a 36 kV
- Circuito Principal 200 A
- Ith 8 kA.
- Montaje Vertical
- Tubo Fusible de 100 A
- Norma CEI 282-2
- Tubo Fusible compatible con los
estándar norteamericanos.
- Este modelo permite el montaje
de la Autoválvula directamente
sobre la escuadra de fijación.
- Eslabones fusible:
de 2 Amp. a 100 Amp.
- Porcelana de color gris, efecto
Antivandálico.
-- Montaje sencillo gracias a sus
tornillos de fijación anti-giro.
- No es necesaria ninguna
herramienta para cambiar el
eslabón
La base cortacircuitos en "V" monta aisladores de columna con
armaduras metálicas externas y línea de fuga en función de los niveles
de contaminación I-III-IV asignados.
Su diseño permite el accionamiento por pértiga desde una posición mas
cómoda para la maniobra, al conseguir un ángulo de 45º con respecto a
la base de sujección.
Incorpora un tubo fusible con capacidad para eslabones de hasta 100A
, y es totalmente intercambiable con los modelos de una columna y
modelos de otros fabricantes.
El interior del tubo portafusible está constituido por un recubrimiento
vegetal lo que le confiere un poder de extinción superior a otros
modelos (según fabricante).
El Seccionalizador en "V" monta aisladores de columna con
armaduras metálicas externas y línea de fuga en función de los niveles
de contaminación I-III-IV asignados.
Su diseño permite el accionamiento por pértiga desde una posición mas
cómoda para la maniobra, al conseguir un ángulo de 45º con respecto a
la base de sujección.
Fuse Cutout, Drop out Fuses 24kv 300A
Gama:
15 , 24 y 36 kV
12 - 25 - 40 - 63 -100 - 140 A
Número de Defectos: 1 , 2 (Estándar) , 3.
Tiempo de Regeneración : Min. 30s.
Principales Características :
Dispositivo Autoalimentado. Utilización conjunta con Interruptores automáticos.
Importante reducción en los costes derivados de mano de obra y sustitución de fusible de los Cut-Out
convencionales derivados de fallos transitorios, ocasionados por tormentas eléctricas , accidentes
vegetales , etc...
Ausencia de Arcos y desgaste en los contactos.
Reutilización del equipo tras su rearme manual y acoplamiento en su base.
TYPE "OEI" "PRW" STANDARD CUTOUT DISTRIBUTION TECHNICAL SPECIFICATION
The Fuse Cutout type DHE was developed to operate in overhead distribution systems rated at 12-15 kV and 15-27,kV or 27-38 kV grounded systems with 100 or 200 A nominal currents.
Especially designed to protect transformers, capacitors, cables or lines.
It is robust construction, made of rigorously tested material, will interrupt all faults under the
most severe conditions, maintaining mechanical and electric characteristics.
The inserts, hardware and structural bolts and nuts are made from heavy galvanized steel.
The Fuse Cutout type OEI PRW can be applied on all three-phase system rated at or below the maximum operational rating of the cutout. In highly polluted environments or environments with high levels of salinity, a cutout may be used with a higher nominal rating than
that of the system where it is being installed, where the insulator will have a greater leakage distance to ground, allowing for
increased safety against discharge. For an even better protection against abrasions, the hardware may be supplied in stainless
Fuse Cutout, Drop out Fuses 24kv 300A
steel. The fuse cutout type OEI PRW has attachment hooks in aluminum.
The Fuseholder has a stainless steel flipper, which associated with a spring doesn't allow the fuse link to be subject to traction
forces of over 3 Kgf, especially during closing. This me chanism also allows for high speed fuse link separation. The fuse cutout
type OEI PRW allows for the insertion of the fuse tube in a precise man ner and always in perfect alignment, due to the large distance
between the grunion pocket. Lower contact, silver-to-silver, provide du el current path, independent of hinge pivot. Stainless-steel
back-up springs prevent arcing when tube rises in hinge during recoil. The fuse cutout type OEI PRW may be transformed into a DICONNECT up to 300 A, by simply changing the fuse tube for an electrolytic copper blade.
The DHE Fuse Cutouts conform to ANSI and IEC standards, with independent tests performed At:
CPRI Always use quality fuse links. Only they can assure excellent performance.
  DROP OUT FUSES
11Kv
 
 
 
N/O DETAIL   DATA
1 Description   11kV Fuse link assembly complete with
fuse carrier rated at 100A and mounting bracket to PIESA 002. (See Figure 1  to Figure 12 below)
2 System conditions of service
 
 
 
a) nominal Voltage (Un) r.m.s		  
 
 
 
kV		  
 
 
 
11
b) maximum system voltage (Um) r.m.s KV 12
c) earthing   Effective & non effective
d) Frequency Hz 50
3 Site conditions of service
a) altitude		  
m		  
1400
b) Operating Ambient temperature °C -1 to 40
c) Humidity % 85
4 Rating    
a) Nominal voltage kV 11
b) Rated current Fuse carrier  
A		  
100
 
Cut out base		  
A		  
200
5 Electrical components    
a) Insulator material specification   Porcelain
Dielectric strength    
Lightning  impulse withstand (1.2/50) kV 95
Power frequency wet withstand voltage
r.m.s		 kV 28
6 Specific creepage distance mm/kV 25
7 General information to be provided
with bid:		    
 

 
 
  Drawings and brochures showing
outline and general arrangement		  
Yes/No		  
Yes
  b) Detailed drawings of all items
showing critical tolerances to be provided with bid		 Yes/No Yes
8 Previous Type test report/certificate on
complete fuse link assembly to be provided with bid		  
Yes/No		  
Yes
10 Routine tests (acceptance tests on
sample
Product) to be provided on delivery		 Yes/No Yes
11 Applicable standard   PIESA 002
12 Other applicable standards   NRS 035
SABS IEC 60282-2
SABS IEC 60186
BS 137 part 2
 
 
 

3.   FURTHER REQUIREMENTS:
 
3.1 There shall be no rivets in the parts that form the current path
3.2 Water shall not be able to accumulate on any part of the equipment nor shall any feature introduce moisture into any component.
3.3 The design shall incorporate all reasonable precautions and provisions for the safety of personnel concerned with the operation and maintenance of the same.
3.4 The  current  path  shall  be  such  that  load  current  shall  only  flow  through  high conductive materials such as copper and its alloys. Load current shall not be permitted to flow through ferrous components, springs, or spring-loaded mechanisms.
3.5 All load current paths shall be so designed that the relevant parts of the solid link assembly are capable of carrying the specified rated current without exceeding the permitted temperature rise in SABS IEC 60282-2
3.6 Contacts shall be based on the line contact principle and there shall be no welds on the contact parts. The construction of the Drop out fuse base and the solid link shall ensure their mutual alignment during closure.
3.7 The solid link should have an eye and an operating tongue.
 
4.   MARKING AND IDENTIFICATION
 
4.1 Markings to conform to SABS IEC 60282-2
4.2 In addition , the following markings must  be included : ZESCO Indent No.
 
3.0   SUPPLIMENTARY NOTES
 
3.3 Suppliers should give sufficient information including drawings (which must be brief, clear and to the point) on how their drop out fuse designs addresses these requirements. Further, Suppliers may offer better alternatives that are of cost benefits to. It is therefore imperative that schedule "B" is completed by the tenderer. Any deviations/modifications/alternatives specification must be listed in schedule "C."  No deviations/modifications/alternatives will be recognised unless they are listed in schedule "C"
3.4 The drawings to be submitted by the tenderer must include the following:
 
3.4.1    Critical tolerances
3.4.2    Show details of the insulator, the fuse carrier, the solid-link, the upper contact, the lower contact, the cutout base and the bracket for fixing to either wooden or steel cross arm.
 
3.5 The type tests to be submitted must be those issued by internationally recognised testing authority.
3.6  All salient design details of each item required shall be supplied with the tender.
33kV
 
 
 
 
 
 
 
 
N/ O DETAIL   DATA
1 Description   33 kV Fuse link assembly complete with fuse carrier rated at 100A and mounting bracket to PIESA 002. (See Figure 1  to
Figure 12 below)
2 System conditions of service
 
 
 
a) nominal Voltage (Un) r.m.s 		 
 
 
 
kV 		 
 
 
 
33
b) maximum system voltage (Um)
r.m.s 		KV 36
c) earthing   Effective & non effective
d) Frequency Hz 50
3 Site conditions of service a) altitude  
m 		 
1400
b) Operating Ambient temperature °C -1 to 40
c) Humidity % 85
4 Rating    
a) Nominal voltage kV 33
b) Rated current Fuse carrier  
 
 
A 		 
 
 
100
 
Cut out base 		 
A 		 
200
5 Electrical components    
a) Insulator material specification   Porcelain
Dielectric strength    
Lightning impulse withstand
(1.2/50) 		kV 170
Power frequency wet withstand voltage r.m.s kV 70
6 Specific creepage distance mm/kV 25
 

 
 
7 General information to be provided with bid:
Drawings and brochures showing outline and general arrangement 		 
 
 
 
Yes/No 		 
 
 
 
Yes
  b) Detailed drawings of all items showing critical tolerances to be
provided with bid 		Yes/No Yes
8 Previous Type test report/certificate on complete fuse link assembly to
be provided with bid 		 
Yes/No 		 
Yes
10 Routine tests (acceptance tests on sample
Product) to be provided on delivery 		Yes/No Yes
11 Applicable standard   PIESA 002
12 Other applicable standards   NRS 035
SABS IEC 60282-2
SABS IEC 60186
BS 137 part 2


5. FURTHER REQUIREMENTS:
 
5.1 There shall be no rivets in the parts that form the current path
5.2 Water shall not be able to accumulate on any part of the equipment nor shall any feature introduce moisture into any component.
5.3 The design shall incorporate all reasonable precautions and provisions for the safety of personnel concerned with the operation and maintenance of the
same.
5.4 The current path shall be such that load current shall only flow through high conductive materials such as copper and its alloys. Load current shall not be permitted to flow through ferrous components, springs, or spring-loaded mechanisms.
5.5 All load current paths shall be so designed that the relevant parts of the solid link assembly are capable of carrying the specified rated current without exceeding the permitted temperature rise in SABS IEC 60282-2
5.6 Contacts shall be based on the line contact principle and there shall be no welds on the contact parts. The construction of the Drop out fuse base and the solid link shall ensure their mutual alignment during closure.
5.7 The solid link should have an eye and an operating tongue.
 
6. MARKING AND IDENTIFICATION
 
6.1 Markings to conform to SABS IEC 60282-2
 
3.0 SUPPLIMENTARY NOTES
 
3.5 Suppliers should give sufficient information including drawings (which must
be brief, clear and to the point) on how their drop out fuse designs addresses these requirements. Further, Suppliers may offer better alternatives that are of cost benefits
3.6 The drawings to be submitted by the tenderer must include the following:
 
3.6.1  Critical tolerances
3.6.2  Show details of the insulator, the fuse carrier, the solid-link, the
upper contact, the lower contact, the cutout base and the bracket for fixing to either wooden or steel cross arm.
 
3.7 The type tests to be submitted must be those issued by internationally recognised testing authority.
 

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