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Amur 3p 4p 63A~1600A MCCB Moulded Case Circuit Breaker
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Vd4 Indoor Vacuum Circuit Breaker in Switchgear (VCB) Fixed Type and Withdrawable Type
| Price | $5000.00 |
|---|---|
| Min Order | 1 Piece |
| Availability | In Stock |
| Shipping From | Zhejiang, China |
| Popularity | 439 people viewed |
Model NO.:
Vd4
Breaking Capacity:
High Voltage Circuit Breakers
Operation:
Electric Type
Speed:
Normal Type Circuit Breaker
Arc-extinguishing Medium:
Vacuum
Installation:
Fixed/Drawable
Structure:
Vcb
Poles Number:
3
Type:
Circuit Breaker
Function:
Overcurrent Protection
Certification:
ISO9001-2000
Trademark:
Rockwill
Transport Package:
Carton
Specification:
IEC, GB
Origin:
China
HS Code:
8535210000
Product Description
Vd4 Type High Voltage Indoor Fixed Vacuum Circuit Breaker (VCB) Use in cabient
Product Description
Vd4 Indoor Vacuum Circuit Breaker
Description
VD4 series medium voltage vacuum circuit-breakers with lateral operating mechanism feature the separate pole construction technique.
VD4 vacuum circuit breakers have been designed for indoor use and air insulated switchboards.
Their switching capacity is sufficient to handle any conditions arising from switching of equipment and system components under normal operating and fault conditions, particularly short-circuits, within the parameters of their technical data. The vacuum circuit-breakers of type iVD4, designed in column form, can be supplied both as individual units for fixed installation and mounted on chassis. Vacuum circuit-breakers are characterized by their simple and robust construction. They have a long life expectancy. There is no adverse effect on the vacuum, even from frequent switching of operating and short-circuit currents.
Advantages
Vacuum circuit-breakers have particular advantages for use in networks where there is a high switching frequency in the working current range and/ or where a certain number of short- circuit breaking operations are expected. iVD4 vacuum circuit- breakers are suitable for auto reclosing and have exceptionally high operating reliability and long life. The circuit- breakers are notable for their compact design, small dimensions together with high capacity. The operating mechanisms have a low maintenance requirement and the interrupters are maintenance- free throughout their service lives. They are well suited to all load breaking operations which occur in practice, and in particular:
Fields of application
Below is the list of SM6 range units used in MV/LV transformer substations and industrial distribution substations:
Diagrammatic sketch
Circuit-breaker operating mechanism
Main characteristics
1) Test voltage according DIN VDE 0670, part 1000, list 2
2) 4000 A with forced cooling
3) 3150 A with forced cooling in AP technology
4) Higher values on request
5) 360 mm for fixed, 280 mm for withdrawable Version
6) Circuit-breaker with heat sink 616 mm
7) Withdrawable Version
8) Circuit-breaker with heat sink 634 mm
Product Description
Vd4 Indoor Vacuum Circuit Breaker
Description
VD4 series medium voltage vacuum circuit-breakers with lateral operating mechanism feature the separate pole construction technique.
VD4 vacuum circuit breakers have been designed for indoor use and air insulated switchboards.
Their switching capacity is sufficient to handle any conditions arising from switching of equipment and system components under normal operating and fault conditions, particularly short-circuits, within the parameters of their technical data. The vacuum circuit-breakers of type iVD4, designed in column form, can be supplied both as individual units for fixed installation and mounted on chassis. Vacuum circuit-breakers are characterized by their simple and robust construction. They have a long life expectancy. There is no adverse effect on the vacuum, even from frequent switching of operating and short-circuit currents.
Advantages
Vacuum circuit-breakers have particular advantages for use in networks where there is a high switching frequency in the working current range and/ or where a certain number of short- circuit breaking operations are expected. iVD4 vacuum circuit- breakers are suitable for auto reclosing and have exceptionally high operating reliability and long life. The circuit- breakers are notable for their compact design, small dimensions together with high capacity. The operating mechanisms have a low maintenance requirement and the interrupters are maintenance- free throughout their service lives. They are well suited to all load breaking operations which occur in practice, and in particular:
- Short-circuit currents;
- Overhead lines under load and, no-load conditions;
- Cables under load and no-load conditions;
- Transformers under load and no-load conditions;
- Generators under load and no-load conditions;
- Ripple control system;
- Capacitor banks(also parallel switching) and Motors with starting currents above 600A;
Fields of application
Below is the list of SM6 range units used in MV/LV transformer substations and industrial distribution substations:
- Cable control and protection
- Overhead control and protection
- Transformers and distribution substations
- Motor and transformer control and protection
- Generator control and protection
- Capacitor bank control and protection
Diagrammatic sketch
Circuit-breaker operating mechanism
| A) Open/closed auxiliary contacts B) Geared motor for closing spring charging C) Built-in closing spring charging lever D) Mechanical signalling device for circuit-breaker open/closed E) Mechanical operation counter F) Plug-socket connectors of electrical accessories in the truck G) Signalling device for closing springs charged/discharged | H) Service releases I) Closing pushbutton L) Opening pushbutton M) Operating mechanism locking electromagnet N) Additional shunt opening release O) Transient contact P) Contacts for signalling spring charged/discharged |
| Rated voltage1) | kV | 12 | 24 | 36 | 40.5 | |||
| Rated frequency | Hz | 50 -60 | 50 - 60 | 50 - 60 | 50 - 60 | |||
| Rated normal current | A | 630...40002) | 630.25 | 630...31503) | 630...31503) | |||
| Rated short-circuit breaking current (symm.) | kA | 16.31.5 | 40 | 50 | 63 | 16.31.5 | 16.4 | 16.4 |
| Rated short-circuit making current | kA | 40.8 | 100 | 1254) | 158 | 40.8 | 40.1 | 40.1 |
| Rated duration of short-circuit4) | s | 3 | 3 | 3 | 3 | 3 | 3 | 4 |
| Fixed- / withdrawable Version | • / • | • / • | • / • | • / • | • / • | • / • | • / • | |
| Max. overall dimensions (fixed Version) | mm p H a b c | 150-275 205-310 450-700 424 461-5996) | 210-275 310 570-700 424 5996) | 210-275 310 600-750 459 6088) | 275 310 750 459 677 | 210-275 310 570-700 424 631-661 | 280/3605) 328 8957)/1000 555/6867) 1575 | 280/3605) 328 8957)/1000 555/6867) 1575 |
| Weight | kg | 73-105 | 94-180 | 147-260 | 265 | 100-110 | 290-365 | 290-365 |
| Embedded Pole | • | • | • | • | • | • | ||
| Assembled Pole | • | • | • | |||||
2) 4000 A with forced cooling
3) 3150 A with forced cooling in AP technology
4) Higher values on request
5) 360 mm for fixed, 280 mm for withdrawable Version
6) Circuit-breaker with heat sink 616 mm
7) Withdrawable Version
8) Circuit-breaker with heat sink 634 mm
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