FCR21-40.5RD (Embedded pole) indoor high voltage ac vacuum load break switch + fuse combination, suitable for AC 50Hz, rated 40.5kV power system, Photovoltaic, New energy, solar energy
Category: Switchgear & High Voltage Products
Brand: JGGY Electric
Model: FCR21-40.5RD
Power: 40.5KV/ 630A 1250A
FOB Port: Ningbo/Shanghai
Terms of Pyament: T/T, L/C
l EC 62271-105:2021 High-voltage switchgear and controlgear - Part 105: Alternating current switch-fuse combinations for rated voltages above 1 kV up to and including 52 kV
l GB 16926 High-voltage AC load break switch fuse combination electrical appliances
l GB3804 High-voltage AC load break switch
l GB / T 1985 high voltage AC disconnecting switch and ground switch
The normal service conditions of load break switch meet the requirements of GB / T 1984, DL / T 403:
l Altitude: not exceeding 2000m
l Surrounding air temperature: upper limit + 40℃, lower limit-25℃
l Relative humidity: daily average is not more than 95%, monthly average is not more than 90%
l No corrosion or combustible gas around other obvious pollution
l No regular and violent vibration
1.4.2 Special conditions of use
For special operating conditions different from normal operating conditions, please negotiate with the manufacturer and reach a consensus before use. The company will give special processing to the circuit breakers to meet your operating environment requirements.
l Modular design, with cabinet "five prevention" simple, reliable and consistent:
l The dominant electric circuit is in the form of fixed sealing pole column. It avoids the pollution of the outdoor surface of vacuum arc extinguishing, increases the creepage distance along the surface, improves the insulation level of the load break switch, the modular design of the fixed sealing pole column, simple structure, less removable parts, has stable mechanical properties and insulation performance;
l High voltage vacuum load break switch, load break switch and grounding switch with obvious isolation switch:
l All state display and operation are integrated in the operation panel of the equipment, through the intuitive concise man-machine dialogue interface, all status and operation steps at a glance, can intuitively observe the isolation switch, ground switch, load break switch switch exact status, effectively guarantee the safety of operators and equipment, easy to understand, to avoid misoperation;
Table 1. Main technical parameters
NO | Items | unit | Vacuum load break switch | Vacuum Load break Switch- Fuse combination | |
1 | rated voltage | kV | 40.5 | 40.5 | |
2 | Rated short-time power frequency withstand voltage (1 min) Interphase, ground / vacuum break / isolation break | 95/118 | 95/118 | ||
3 | Rated lightning impact withstand voltage (peak value) Interphase, ground-facing / / vacuum breaks / isolation breaks | 185/215 | 185/215 | ||
4 | rated frequency | Hz | 50 | 50 | |
5 | rated current | A | 630～1250 | The maximum rated current of the fitted fuse is 63:80:100 | |
6 | Rated active load breaking current | A | 630～1250 | - | |
7 | Rated no-load transformer open current | kA | 63～125 | - | |
8 | Rated closed-loop open current | A | 630～1250 | - | |
9 | Rated cable charging current | A | 21 | 21 | |
10 | Rated line charging-off current | kA | 2.1 | 2.1 | |
10 | Rated ground fault open current | kA | 100 | 100 | |
11 | Rated short-circuit switch-off current | kA | 50、63、80 | - | |
12 | Rated peak order to withstand current | kA | 50、63、80 | - | |
13 | Rated peak order to withstand current | load break switch (including disconnecting switch) | kA/s | 20/4 25/4 31.5/4 | - |
14 | earth switch | 20/2 25/2 31.5/2 | - | ||
15 | Mechanical life (load break switch / disconnecting switch / ground switch) | Times | 5000/2000/2000 | ||
Table 2. Vacuum, load break switch, and technical parameters
No | Item | unit | data |
1 | clearance between open contacts | mm | 18±1 |
2 | overtravel | 4±1 | |
3 | Contact is allowed to wear the thickness | 3 | |
4 | Three-phase separation, closing not synchronization | ms | ≤2 |
5 | Bulounce time of contact closing | ≤5 | |
7 | Average closing speed | m/s | 0.8±0.2 |
8 | Average split speed | 1.6±0.2 | |
9 | Closing time (rated operating voltage) | s | ≤10 |
10 | Opening time (rated operating voltage) | ms | ≤45 |
11 | Circuit resistance (including isolation) | ｕΩ | 180 (except for fuses) |
Table 3. Technical parameters of the operating mechanism
No | Item | unit | data | ||
1 | Rated voltage of closed energy storage motor (fluctuation range: 85%~110%) | V | DC110、AC220、DC220 | ||
2 | Rated output power of the closed energy storage motor | W | ≤70 | ||
3 | Energy storage time | s | ≤15 | ||
5 | rated operational voltage | Electromagnet (85%~110%) | V | AC220 | DC220 |
7 | rated operational current | tripping electromagnet | A | 3.5 | 2.0 |
9 | Rated maximum output power | tripping electromagnet | W | 700 | 440 |
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